It is an object of the present invention to provide a compound for a capping layer that has a high refractive index and a low extinction coefficient in a range of 450 nm to 750 nm to improve the light extraction efficiency of an organic EL element. The present invention has focused on the fact that compounds having a benzene skeleton at the center thereof are excellent in stability and also durability in the form of a thin film, and that the refractive index thereof can be improved by modifying the molecular structure, and thus, molecules have been designed. Provided is a compound represented by a general formula (1), and an organic EL element with excellent luminance efficiency is obtained by using that compound as a constituent material of a capping layer.
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
C07C 15/24 - Polycyclic condensed hydrocarbons containing two rings
C07D 239/26 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
C07D 401/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
H10K 85/20 - Carbon compounds, e.g. carbon nanotubes or fullerenes
H10K 85/60 - Organic compounds having low molecular weight
2.
AZO PIGMENT, DYE COMPOSITION, COLORANT AND COLORING METHOD FOR POSITIVE ELECTRODE ALUMINUM OXIDE, AND METHOD FOR PRODUCING AZO PIGMENT
A compound represented by the general formula is useful as a hole transport material for photoelectric conversion elements. In the general formula, R1represents an alkylene group or the like; and R2to R9 each represent a hydrogen atom, an amino group, an aromatic hydrocarbon group or the like.
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 30/60 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation in which radiation controls flow of current through the devices, e.g. photoresistors
H10K 30/86 - Layers having high hole mobility, e.g. hole-transporting layers or electron-blocking layers
4.
COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
H10K 50/10 - OLEDs or polymer light-emitting diodes [PLED]
Compounds represented by the following general formula are useful as material for a photoelectric conversion element. Y is O or S, Ar1and Ar2are, e.g., aromatic hydrocarbon groups, and one of X1to X4 is, e.g., a diarylamino group.
C07D 491/147 - Ortho-condensed systems the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom
H10K 30/60 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation in which radiation controls flow of current through the devices, e.g. photoresistors
H10K 30/86 - Layers having high hole mobility, e.g. hole-transporting layers or electron-blocking layers
6.
COMPOUND, HOLE TRANSPORT MATERIAL, AND PHOTOELECTRIC CONVERSION ELEMENT INCLUDING SAME
An object of the present invention is to provide a compound that is useful as a hole transport material for providing a device for converting light into electricity that is capable of extracting current with high efficiency, and a device for converting light into electricity and a solar cell that include the compound in a hole transport layer and have favorable light/electricity conversion characteristics. The present invention provides a compound represented by the general formula (1) below. In the formula, R1 to R20 each represent a hydrogen atom, an alkoxy group having 1 to 20 carbon atoms, or the like, and Y represents an oxygen atom or CR21R22, where R21 and R22 each represent a nitrile group, an acyl group having 1 to 10 carbon atoms, or the like.
An object of the present invention is to provide a compound that is useful as a hole transport material for providing a device for converting light into electricity that is capable of extracting current with high efficiency, and a device for converting light into electricity and a solar cell that include the compound in a hole transport layer and have favorable light/electricity conversion characteristics. The present invention provides a compound represented by the general formula (1) below. In the formula, R1 to R20 each represent a hydrogen atom, an alkoxy group having 1 to 20 carbon atoms, or the like, and Y represents an oxygen atom or CR21R22, where R21 and R22 each represent a nitrile group, an acyl group having 1 to 10 carbon atoms, or the like.
H10K 85/60 - Organic compounds having low molecular weight
C07C 225/22 - Compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly-bound oxygen atoms not being part of a —CHO group, e.g. amino ketones having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
C07C 229/44 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino groups bound to carbon atoms of at least one six-membered aromatic ring and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton with carboxyl groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by unsaturated carbon chains
C07C 255/42 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by singly-bound nitrogen atoms, not being further bound to other hetero atoms
C07D 209/86 - Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
C07D 265/38 - [b, e]-condensed with two six-membered rings
C07D 279/28 - [b, e]-condensed with two six-membered rings with carbon atoms directly attached to the ring nitrogen atom with hydrocarbon radicals, substituted by amino radicals, attached to the ring nitrogen atom with other substituents attached to the ring system
C07D 333/22 - Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
7.
ARYLAMINE COMPOUND, ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ELECTRONIC DEVICE
133 represent a single bond, an unsubstituted divalent aromatic hydrocarbon group, an unsubstituted divalent aromatic heterocyclic group, or an unsubstituted divalent condensed polycyclic aromatic group. An arylamine compound of the present invention has excellent heat resistance, and also has good hole-transporting ability. The organic EL element using the compound in a hole transport layer, an electron blocking layer, a light-emitting layer, and a hole injection layer of the organic EL element exhibited good element properties.
C07D 209/86 - Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
H10K 50/10 - OLEDs or polymer light-emitting diodes [PLED]
An object of the present invention is to provide a compound with a high refractive index at a wavelength in range of 450 nm to 750 nm in a capping layer to improve light extraction efficiency of an organic EL device. The present invention was achieved by focusing on the fact that a heterocyclic compound has excellent thin film stability and durability and is able improve the refractive index by adjusting the molecular structures, and planning molecule, and an organic EL device having excellent luminous efficiency was obtained by using this compound as a material for constituting a capping layer.
H10K 85/60 - Organic compounds having low molecular weight
C07D 239/26 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
C07D 213/16 - Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 413/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 417/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
C07D 401/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
The present invention relates to an organic electroluminescent element (organic EL element) including at least an anode, a first hole transport layer, a second hole transport layer, a blue light-emitting layer, an electron transport layer, and a cathode in this order, in which the second hole transport layer contains an arylamine compound represented by the following general formula (1).
The present invention relates to an organic electroluminescent element (organic EL element) including at least an anode, a first hole transport layer, a second hole transport layer, a blue light-emitting layer, an electron transport layer, and a cathode in this order, in which the second hole transport layer contains an arylamine compound represented by the following general formula (1).
[Problem] The purpose of the present invention is to provide a compound that prevents internal elemental deterioration of an organic EL element, that, in order to significantly improve light-extraction efficiency, does not affect materials inside the element by absorbing light at wavelengths from 400 nm to 410 nm in sunlight, and that has a high refractive index in a wavelength range from 450 nm to 750 nm. [Solution] The present invention has focused on the fact that aryl amine-based materials provide excellent durability and stability to thin films, and has achieved an organic EL element having excellent light emission efficiency by designing an amine compound having a specific benzazole ring structure that has a high refractive index, and by using the compound as a material for forming a capping layer.
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
C07D 277/66 - Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2 with aromatic rings or ring systems directly attached in position 2
C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
It is an object of the present invention to provide, as a material for a highly efficient and highly durable organic EL device, an organic compound with excellent properties including excellent hole-injecting/transporting performance, electron-blocking capability, and high stability in the form of a film. It is another object thereof to provide a highly efficient and highly durable organic EL device by using this compound. The present invention is directed to an arylamine compound represented by a general formula (1) below:
It is an object of the present invention to provide, as a material for a highly efficient and highly durable organic EL device, an organic compound with excellent properties including excellent hole-injecting/transporting performance, electron-blocking capability, and high stability in the form of a film. It is another object thereof to provide a highly efficient and highly durable organic EL device by using this compound. The present invention is directed to an arylamine compound represented by a general formula (1) below:
where Ar1 and Ar2 represent a substituted or unsubstituted aromatic hydrocarbon group or the like, Ar3 and Ar4 represent a substituted or unsubstituted phenyl group or the like, L represents a substituted or unsubstituted divalent aromatic hydrocarbon group or the like, R1 to R3 represent a hydrogen atom, for example, and n is an integer of 1 to 2.
H10K 85/60 - Organic compounds having low molecular weight
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene
[Problem]
[Problem]
An object of the present invention is to provide a compound suitable for a low refractive index layer in a capping layer in order to improve the light extraction efficiency of an organic EL device.
[Problem]
An object of the present invention is to provide a compound suitable for a low refractive index layer in a capping layer in order to improve the light extraction efficiency of an organic EL device.
[Solution]
[Problem]
An object of the present invention is to provide a compound suitable for a low refractive index layer in a capping layer in order to improve the light extraction efficiency of an organic EL device.
[Solution]
The present invention was achieved by focusing on the fact that an adamantane compound has excellent thin film stability and finding that an amide compound, an ester compound, an amine compound, or an ether compound, in which adamantane is arranged at the center, exhibits a low refractive index property, and an organic EL device having excellent luminous efficiency was obtained by using this compound as a material for forming a capping layer having a low refractive index.
C07C 237/28 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton
C07C 237/48 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system of the same carbon skeleton
C07C 211/50 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
C07C 211/60 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton containing a ring other than a six-membered aromatic ring forming part of at least one of the condensed ring systems
C07C 43/275 - Ethers having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings having all ether-oxygen atoms bound to carbon atoms of six-membered aromatic rings
C07C 43/29 - Ethers having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings containing halogen
H10K 85/60 - Organic compounds having low molecular weight
The present invention provides an organic electroluminescent device having a capping layer comprising a material having a high absorption coefficient in the wavelength range of 400 nm to 410 nm and no absorption in the respective wavelength ranges of blue, green and red in order to prevent the light in the 400 nm to 410 nm wavelength of sunlight from being absorbed and affecting the materials inside the device and to improve the light extraction efficiency. Since the arylamine compound having a specific structure in the present invention is excellent in stability and durability of the thin film, an organic EL device obtained by selecting amine compounds with high absorbance in the absorption spectrum at concentration 10−5 mol/L at wavelengths of 400 nm to 410 nm, from amine compounds having a specific benzoazole ring structure with a high refractive index as a material of a capping layer, exhibits good characteristics.
An object is to provide a material for an organic EL device having excellent hole injection and transport performance, electron blocking ability, stability in a thin film state, and durability, and further to provide an organic EL device having high efficiency, a low driving voltage, and a long lifetime by combining the material with various materials for an organic EL device having excellent hole and electron injection and transport performance, electron blocking ability, stability in a thin film state, and durability in such a manner that the characteristics of each of the materials can be effectively exhibited. An organic EL device was fabricated by focusing on the fact that a triarylamine compound having a specific structure has excellent hole injection and transport ability, thin film stability, and durability, and selecting a specific arylamine compound as a material for forming a second hole transport layer, and the invention was completed.
H10K 85/60 - Organic compounds having low molecular weight
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
It is an object of the present invention to provide a composition for light emitting diodes with which it is possible to obtain an organic EL element that includes an organic layer formed using a high molecular weight material and whose service life can be extended as compared with that of conventional organic EL elements. The present invention provides a composition for light emitting diodes containing a high molecular weight compound and a thermally crosslinkable low molecular weight compound, wherein the thermally crosslinkable low molecular weight compound includes a compound that has two or more thermally crosslinkable structures in a molecule. The thermally crosslinkable low molecular weight compound preferably includes a compound that contains two or more thermally crosslinkable structures selected from the group consisting of an acrylate structure, a methacrylate structure, and a maleimide structure in a molecule.
A purpose of the present invention is to provide a high-molecular-weight material that exhibits excellent hole injection and transport performance, has electron blocking capabilities, and has high stability when in the form of a thin film. Another purpose of the present invention is to provide an organic EL element that has an organic layer (thin film) formed from the high-molecular-weight material and exhibits high light-emission efficiency and a long service life. The present invention is a high-molecular-weight compound that contains: a repeating unit composed of a specific triarylamine structural unit having a fluorene structure and a linking structural unit that is a substituted or unsubstituted phenylene group; and a thermally crosslinkable structural unit.
The present disclosure is related to an organic EL element including a capping layer that contains a compound represented by formula (A-1). In the formula, A and X are monovalent groups represented by formula (B-1) having 1 binding site among R1 to R6. Z represents a monovalent group represented by formula (B-1) having 1 binding site among R1 to R6, an aromatic hydrocarbon group, an aromatic heterocyclic group or a fused polycyclic aromatic group. Ar is a single bond or a divalent group of an aromatic hydrocarbon group, an aromatic heterocyclic group, or a fused polycyclic aromatic group. R1 to R6 are each defined in the specification, and Q represents a nitrogen atom, an oxygen atom, or a sulfur atom.
The present disclosure is related to an organic EL element including a capping layer that contains a compound represented by formula (A-1). In the formula, A and X are monovalent groups represented by formula (B-1) having 1 binding site among R1 to R6. Z represents a monovalent group represented by formula (B-1) having 1 binding site among R1 to R6, an aromatic hydrocarbon group, an aromatic heterocyclic group or a fused polycyclic aromatic group. Ar is a single bond or a divalent group of an aromatic hydrocarbon group, an aromatic heterocyclic group, or a fused polycyclic aromatic group. R1 to R6 are each defined in the specification, and Q represents a nitrogen atom, an oxygen atom, or a sulfur atom.
The purpose of the present invention is to provide a high molecular weight material that exhibits excellent hole injection and transport performance and has electron blocking capabilities, and that has high stability when in the form of a thin film. Another purpose of the present invention is to provide an organic EL element that comprises an organic layer (a thin film) formed from the aforesaid high molecular weight material and has high luminous efficiency and a long service life. The present invention focused on a high molecular weight triarylamine compound, which contains, in the molecular main chain, a triarylamine structural unit containing a diphenylnaphthalene structure and a diphenylnaphthalene structural unit, and found a high molecular weight compound with a novel structure that has a wide gap in addition to hole injection and transport capabilities.
The objective of the present invention is to provide an organic compound having excellent properties as a material for a high-efficiency, high-durability organic EL element, such as exhibiting good hole injection and transport performance, having electron blocking ability and being highly stable in a thin film state, and to provide a high-efficiency, high-durability organic EL element using the compound. The arylamine compound of the present invention has excellent heat resistance and good hole transport ability. The organic EL element using the compound in the hole transport layer, electron blocking layer, light emitting layer and hole injection layer of the organic EL element exhibited good element properties.
An object of the present invention is to provide an organic EL device having a capping layer constituted by a material having (1) high absorption coefficient, (2) high refractive index, (3) good thin film stability, (4) excellent durability, (5) excellent light resistance, (6) no absorption in the blue, green, and red wavelength regions, respectively.
An object of the present invention is to provide an organic EL device having a capping layer constituted by a material having (1) high absorption coefficient, (2) high refractive index, (3) good thin film stability, (4) excellent durability, (5) excellent light resistance, (6) no absorption in the blue, green, and red wavelength regions, respectively.
Since an arylamine based material having a specific structure in the present invention is excellent in the stability and durability of the thin film, an organic EL device obtained by selecting amine compounds with high absorbance in the absorption spectrum at concentration 10−5 mol/L at wavelengths of 400 nm to 410 nm, from amine compounds having a specific benzazole ring structure with a high refractive index as a material of a capping layer, exhibits good characteristics.
H10K 50/858 - Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
An objective of the present invention is to provide an organic EL device having high efficiency, low driving voltage and long lifetime by using a material for organic EL devices offering excellent hole injectability and transportability, electron blockability, stability in a thin-film state, and durability, and also by employing, in combination, the aforementioned material and various other materials for organic EL devices offering excellent hole/electron injectability and transportability, electron blockability, stability in a thin-film state, and durability, in a manner that the properties of each material can be brought out effectively. The present invention relates to an organic electroluminescence device having, between an anode and a cathode, at least a hole transport layer, a light-emitting layer, and an electron transport layer in this order from the anode side, wherein the hole transport layer contains a triarylamine compound having a specific structure.
Use of 2MeTHF is anticipated in development of poly(tetramethylene ether glycol) having novel performance in terms of excellent chemical characteristics and mechanical characteristics as a bio-urethane material, and the present invention provides: poly(tetramethylene ether glycol) which does not undergo coloration so that the value thereof as an industrial raw material does not decrease; and a method for producing same. This copolymerization reaction product of tetrahydrofuran and plant-derived 2-methyltetrahydrofuran is poly(tetramethylene ether glycol) in which the 2-methyltetrahydrofuran is purified using a purification process that includes a step for bringing the 2-methyltetrahydrofuran into contact with an acid.
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
An objective of the present invention is to provide a material for organic EL devices offering excellent hole injectability and transportability, electron blockability, stability in a thin-film state, and durability, and also to provide an organic EL device having high efficiency, low driving voltage and long lifetime by employing, in combination, the aforementioned material and various materials for organic EL devices offering excellent hole/electron injectability and transportability, electron blockability, stability in a thin-film state, and durability, in a manner that the properties of each of the materials can be brought out effectively. The present invention relates to an organic EL device containing a specific arylamine compound as a material constituting a second hole transport layer, wherein the difference between the HOMO level of the second hole transport layer and the HOMO level of a first hole transport layer is 0.15 eV or less.
[Problem] A purpose of the present invention is to provide an organic compound that, as a material for a highly efficient and highly durable organic electroluminescent element, has the excellent characteristics of excellent hole injection and transport performance, electron stopping power, and high stability as a thin film, and also to provide a highly efficient and highly durable organic electroluminescent element by using this compound. [Solution] An arylamine compound represented by general formula (1) or general formula (2).
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
The triarylamine compound having a specific structure in the present invention is excellent in hole injection/transport ability, stability and durability of thin film. By selecting the triarylamine compound having a specific structure as the material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining luminescent materials having a specific structure or the like exhibit good device characteristics. The triarylamine compound having a specific structure in the present invention is excellent in hole injection/transport ability, stability and durability of thin film. By selecting the triarylamine compound having a specific structure as the material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining luminescent materials having a specific structure or the like exhibit good device characteristics.
H10K 85/60 - Organic compounds having low molecular weight
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
31.
AMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
The purpose of the present invention is to provide a compound which absorbs light having a wavelength of 400 nm to 410 nm from sunlight, does not affect a material inside an organic EL element, and has a high refractive index in a wavelength range of 450 nm to 750 nm, in order to prevent deterioration inside the organic EL element and to significantly improve the light extraction efficiency of the organic EL element. The present invention provides an amine compound which has a specific benzazole ring structure with a high refractive index. An organic EL element having a high light emission efficiency can be achieved by using the compound according to the present invention as a constituent material for a capping layer.
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
An objective of the invention is to provide, as a material for highly efficient, highly durable organic EL devices, an organic EL device material having excellent hole injectability and transportability, electron blockability, high stability in a thin-film state, and excellent durability, and also to provide a highly efficient, highly durable organic EL device by using this compound. The present invention concerns an arylamine compound represented by general formula (1). (In the formula, Ar1, Ar2, Ar3, and Ar4 each represent a substituted or unsubstituted aromatic hydrocarbon group, etc.; L1 and L2 each represent a divalent substituted or unsubstituted aromatic hydrocarbon group, etc.; R1 to R7 each represent a hydrogen atom, a deuterium atom, etc.; and m and n may be the same or different from one another, and each represent an integer from 0 to 2, wherein L1 represents a single bond when m is 0, and L2 represents a single bond when n is 0.)
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
33.
COMPOUND HAVING SULFONATE GROUP, HOLE-TRANSPORTING MATERIAL, HOLE-TRANSPORTING MATERIAL COMPOSITION FOR PHOTOELECTRIC CONVERSION ELEMENT, PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR CELL
A compound represented by the following general formula (1), a hole-transporting material including the compound, a hole-transporting material composition for a photoelectric conversion element including the hole-transporting material, a photoelectric conversion element using the hole-transporting material composition for a photoelectric conversion element, and a solar cell using the photoelectric conversion element. [Chem. 1]
The problem to be solved by the present invention is to provide: a compound which is useful as a hole transport material for photoelectric conversion elements that are capable of efficiently taking out electric current; and a photoelectric conversion element and a solar cell, each of which uses the compound in a hole transport layer and has satisfactory photoelectric conversion characteristics. The present invention provides a compound which is represented by general formula (1). The present invention also provides: a hole transport material which is composed of a compound that is represented by general formula (1); and a photoelectric conversion element which uses this hole transport material. The definitions of the symbols in the formula are as described in the description.
C07D 219/10 - Nitrogen atoms attached in position 9
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
An organic electroluminescent element including an anode and a cathode and including, between the anode and the cathode, at least a first hole transport layer, a second hole transport layer, a blue-light-emitting layer, and an electron transport layer disposed in this order from the anode side, in which at least one of the layers disposed between the first hole transport layer and the electron transport layer includes an arylamine compound represented by general formula (1).
An organic electroluminescent element including an anode and a cathode and including, between the anode and the cathode, at least a first hole transport layer, a second hole transport layer, a blue-light-emitting layer, and an electron transport layer disposed in this order from the anode side, in which at least one of the layers disposed between the first hole transport layer and the electron transport layer includes an arylamine compound represented by general formula (1).
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
The present invention is related to an organic EL element having a capping layer composed of a material having (1) a high absorption coefficient; (2) a high refractive index; (3) good stability of a thin film; (4) excellent durability; (5) excellent light resistance; and (6) no absorption in each of the wavelength regions of blue, green, and red. Since an arylamine-based material having a specific structure according to the present invention is excellent in the stability and durability of a thin film, an organic EL element in which an amine compound having a specific benzazole ring structure having a high refractive index is selected as a material having a high absorbance at a wavelength of 400 nm to 410 nm in an absorption spectrum having a concentration of 10−5 mol/L and used as a material constituting a capping layer exhibits good element characteristics.
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
A purpose of the present invention is to provide a compound which is suitable for use as a material for the capping layer of an organic EL element, has a high refractive index in the wavelength range of 450-750 nm, and has a low extinction coefficient. Another is to provide an organic EL element having an improved light-extraction efficiency due to use of said compound. This compound is represented by general formula (1) or (2). In the formulae, A represents an (un)substituted aromatic hydrocarbon group, etc.; B and C may be the same as or different from each other and each represent an unsubstituted naphthyl group, an unsubstituted quinolyl group, etc.; and the L moieties may be the same as or different from each other and each represent a single bond, an (un)substituted divalent aromatic hydrocarbon group, etc.
C07D 401/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
C07D 413/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
C07D 417/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
It is an object of the present invention to provide a high molecular weight compound that has excellent hole-injecting/transporting performance, is capable of blocking electrons, and is highly stable in a thin film state. It is another object of the invention to provide a light emitting diode with high luminous efficacy and a long lifespan, containing an organic layer (thin film) made of the above-described high molecular weight compound. The high molecular weight compound according to the present invention includes a repeating unit constituted by a specific triarylamine structural unit and a specific bonding structural unit, and has a weight average molecular weight in terms of polystyrene of 10,000 or more and less than 1,000,000.
C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
39.
ARYLAMINE COMPOUND AND ELECTRONIC APPARATUS USING SAME
An object of the present invention is to provide a material for a highly efficient and highly durable organic EL device, and specifically, an organic compound with excellent properties including excellent hole-injecting/transporting performance, electron-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL device by using this compound. The present invention is directed to an arylamine compound having a fluorenyl skeleton-containing heterocycle structure, with excellent heat resistance and good hole-transporting capability. An organic EL device including this compound in its hole-transporting layer, electron-blocking layer, light-emitting layer, or hole-injecting layer exhibited good device characteristics.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07D 307/93 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
The present invention addresses of the problem of providing an organic EL element that has high efficiency, low drive voltage, and a long lifespan by combining various materials for an organic EL element, which have excellent hole injection/transport performance, such that the properties of each material can be effectively demonstrated. Given that using, in combination, materials for a hole transport layer which have specific mobility leads to efficient transportation of holes that are injected from a positive electrode-side and to high electron blocking ability, the present invention was completed by using a specific amine compound for a hole transport layer to produce an organic EL element having high efficiency, low drive voltage, and a long lifespan.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
41.
ORGANIC ELECTROLUMINESCENT ELEMENT AND COMPOUND FOR SAME
[Problem] The purpose of the present invention is to provide a compound which absorbs sunlight having a wavelength of 400 nm to 410 nm, does not affect a material inside an organic electroluminescent element, and has a high refractive index in the wavelength range from 450 nm to 750 nm, in order to prevent deterioration inside the organic electroluminescent element and to considerably improve the light extraction efficiency. [Solution] The present invention focused attention on excellent stability and durability of an arylamine material in the form of a thin film, and has achieved an organic electroluminescent element that has excellent luminous efficiency by designing a diamine compound that has a specific benzazole ring structure and a high refractive index and using this diamine compound as a material that constitutes a capping layer.
C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
The present invention addresses the problem of providing a material for an organic electroluminescent element, the material having outstanding positive hole injection/transport performance, electron blocking ability, as well as stability and durability in the form of a thin film; and also providing an organic electroluminescent element which has high efficiency, low drive voltage, and a long lifespan by combining the aforementioned material and various materials for an organic EL element, the various materials having outstanding positive hole injection/transport performance, electron blocking ability, as well as stability and durability in the form of a thin film, in a manner in which the characteristics of the respective materials can be exhibited effectively. Focusing on the fact that a triarylamine compound having a specific structure has outstanding positive hole injection/transport performance as well as stability and durability in the form of a thin film, an organic electroluminescent element was produced by selecting a specific arylamine compound as a material constituting a second positive hole transport layer, and the present invention was achieved.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
The present inventors have focused the fact that an arylamine material having a specific structure is excellent in hole injection/transport ability, thin film stability and durability. The arylamine compound of the above can be selected as a material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining electron transport materials having a specific structure and the like were manufactured, and the characteristics of the devices were evaluated diligently.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
The purpose of the present invention is to provide a compound which absorbs light having a wavelength of 400-410 nm from sunlight, does not affect a material inside an organic EL element, and has a high refractive index in a wavelength range of 450-750 nm, in order to prevent deterioration inside the element and considerably improve light extraction efficiency. The present invention is an amine compound having a specific benzazole ring structure with a high refractive index. This organic EL element has at least a positive electrode, a hole transport layer, a light-emitting layer, an electron transport layer, a negative electrode, and a capping layer in this order, wherein the capping layer preferably contains an amine compound having a specific benzazole ring structure according to the present invention.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
45.
HIGH MOLECULAR WEIGHT TRIARYLAMINE COMPOUNDS, AND ORGANIC ELECTROLUMINESCENT ELEMENTS CONTAINING THESE HIGH MOLECULAR WEIGHT COMPOUNDS
The purpose of the present invention is to provide a polymer material that exhibits excellent hole injection and transport performance, has electron blocking capabilities, and has high stability when in the form of a thin film. Another purpose of the present invention is to provide an organic EL element which has an organic layer (a thin film) formed from the polymer material, which has high luminous efficiency, and which has a long service life. This high molecular weight compound contains a repeating unit represented by general formula (1) and a repeating unit represented by general formula (2), and has a weight average molecular weight of at least 10,000 but less than 1,000,000 in terms of polystyrene equivalent.
C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
46.
ORGANIC ELECTROLUMINESCENCE ELEMENT HAVING ORGANIC LAYER COMPRISING HIGH MOLECULAR WEIGHT COMPOUND
It is an object of the present invention to provide a polymer organic EL element that has a low driving voltage, high light emission efficiency, and a long lifespan. The present invention provides an organic electroluminescence element having a pair of electrodes and at least one organic layer between the electrodes, wherein the organic layer is constituted by two or more high molecular weight compounds including at least high molecular weight compounds α and β, and the high molecular weight compound α has a substituted triarylamine structural unit represented by a general formula (1) below and has a weight average molecular weight of 10,000 or more and less than 1,000,000 in terms of polystyrene. For the symbols in the formula, see the Description.
It is an object of the present invention to provide a polymer organic EL element that has a low driving voltage, high light emission efficiency, and a long lifespan. The present invention provides an organic electroluminescence element having a pair of electrodes and at least one organic layer between the electrodes, wherein the organic layer is constituted by two or more high molecular weight compounds including at least high molecular weight compounds α and β, and the high molecular weight compound α has a substituted triarylamine structural unit represented by a general formula (1) below and has a weight average molecular weight of 10,000 or more and less than 1,000,000 in terms of polystyrene. For the symbols in the formula, see the Description.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
A mixture containing p-diphenyl compound derivatives represented by the following general formula (1), general formula (2), and general formula (3).
A mixture containing p-diphenyl compound derivatives represented by the following general formula (1), general formula (2), and general formula (3).
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
Anti-corrosive preparations; colorants; colorants for dyeing
aluminum; dyestuffs; dyes for aluminum anodizing; pigments;
paints; printing ink, other than mimeographing inks.
49.
COMPOUND HAVING SULFONATE GROUP, AND PHOTOELECTRIC CONVERSION ELEMENT USING SAID COMPOUND
The present invention provides: a compound which is useful as a hole transport material for photoelectric conversion elements, and which is represented by general formula (1); and a photoelectric conversion element which uses this compound in a hole transport layer.
C07D 209/86 - Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
HIGH MOLECULAR WEIGHT COMPOUNDS HAVING INDENO-DIBENZOHETEROLE STRUCTURE AS PARTIAL STRUCTURE, AND ORGANIC ELECTROLUMINESCENT ELEMENTS COMPRISING SAID HIGH MOLECULAR WEIGHT COMPOUNDS
122 each independently represent a substituted or unsubstituted alkyl group having 1-40 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3-40 carbon atoms, a substituted or unsubstituted alkyloxy group having 1-40 carbon atoms, a substituted or unsubstituted cycloalkyloxy group having 3-40 carbon atoms, or a substituted or unsubstituted polyether group having 1-40 carbon atoms.)
C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
51.
ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC EQUIPMENT THEREFOR
[Problem] The purpose of the present invention is to provide a compound having a high refractive index and a low extinction coefficient in a capping layer at 450-750 nm in order to improve the light extraction efficiency of an organic EL element. [Solution] By focusing on the fact that a specific arylamine-based compound has excellent thin film stability and durability and that the refractive index can be improved by adjusting the molecular structure, an organic EL device having excellent luminous efficiency was obtained by designing a molecule for use as a material constituting the capping layer.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
The purpose of the present invention is to, in order to improve the light extraction efficiency of an organic EL element, provide a compound that has a low extinction coefficient and a high refractive index in a range of 450-750 nm in a capping layer. According to the present invention, an organic EL element having excellent emission efficiency is obtained by designing a molecule while focusing attention to the fact that compounds having a central benzene backbone provide excellent stability and durability to a thin film and that the refractive index can be improved through adjustment of the molecular structure thereof, and by using a compound represented by general formula (1) as a material for a capping layer.
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
C07D 215/12 - Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
54.
High-molecular-weight compound including substituted triarylamine structural unit, and organic electroluminescent device
A high-molecular-weight compound having at least one substituted triarylamine structural unit represented by the following general formula (1), further including a structural unit having at least one aromatic hydrocarbon ring or a structural unit having a triarylamine skeleton in addition to the at least one substituted triarylamine structural unit, and having a weight average molecular weight of 10,000 or more and 1,000,000 or less in terms of polystyrene and no a crosslinker, wherein the high-molecular-weight compound is used in an organic EL device as a constituent material of at least one organic layer. A polymer material having excellent hole injection/transport performance, electron blocking capability, high heat resistance, and high stability in a thin-film state for use in a polymer organic EL device, and an organic EL device having a low drive voltage, high light emission efficiency, and a long lifetime using this polymer material.
The problem to be solved by the present invention is to provide: a compound useful as a hole transport material for photoelectric conversion elements whereby electric current can be efficiently taken out; and a photoelectric conversion element and a solar cell which have satisfactory photoelectric conversion characteristics and include a hole transport layer comprising the compound. This compound is represented by general formula (1). In the formula, R1to R20each represent a hydrogen atom, a C1-C20 alkoxy group, etc., and Y represents an oxygen atom or CR21R22(R21and R22 each represent a nitryl group, a C1-C10 acyl group, etc.).
C07C 225/22 - Compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly-bound oxygen atoms not being part of a —CHO group, e.g. amino ketones having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
C07C 229/44 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino groups bound to carbon atoms of at least one six-membered aromatic ring and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton with carboxyl groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by unsaturated carbon chains
C07C 255/42 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by singly-bound nitrogen atoms, not being further bound to other hetero atoms
C07D 279/22 - [b, e]-condensed with two six-membered rings with carbon atoms directly attached to the ring nitrogen atom
C07D 333/22 - Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
C07D 333/24 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
C07D 209/88 - Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
C07D 265/38 - [b, e]-condensed with two six-membered rings
An objective of the invention is to provide, as a material for highly efficient, highly durable organic EL devices, an organic compound having excellent properties, such as excellent electron injection capability and transportability, hole blocking capability, and high stability in a thin-film state, and also to provide a highly efficient, highly durable organic EL device by using this compound. The present invention has been achieved by focusing on the fact that a benzotriazole ring structure, which has electron affinity, contains nitrogen atoms having the ability to coordinate with a metal and also has excellent heat resistance, and by thus designing and chemically synthesizing various compounds having a benzotriazole ring structure and assessing the properties of various organic EL devices using those compounds, thereby finding out that organic EL devices having excellent properties can be achieved by using specifically-structured compounds having a benzotriazole ring structure.
C07D 249/20 - Benzotriazoles with aryl radicals directly attached in position 2
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or
57.
TRISUBSTITUTED BENZENE COMPOUND HAVING NITROGEN-CONTAINING HETERO RING IN MOLECULAR TERMINUS AND ORGANIC ELECTROLUMINESCENCE ELEMENT
Provided are: a trisubstituted benzene compound represented by general formulae (1) and (2); and an organic electroluminescence (EL) element having a pair of electrodes and at least a pair of organic layers interposed therebetween, the organic EL element being characterized in that said compound is used as a constituent material for at least one organic layer.
Provided are: a trisubstituted benzene compound represented by general formulae (1) and (2); and an organic electroluminescence (EL) element having a pair of electrodes and at least a pair of organic layers interposed therebetween, the organic EL element being characterized in that said compound is used as a constituent material for at least one organic layer.
C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07D 493/00 - Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
C07D 403/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
58.
HETEROCYCLIC COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
[Problem] The purpose of the present invention is to provide a compound that has a high refractive index with respect to the wavelength range of 450-750 nm in a capping layer, in order to improve the light extraction efficiency of an organic EL element. [Solution] According to the present invention, attention was paid to the fact that heterocyclic compounds have excellent thin film stability and durability, and the refractive index can be improved by adjustment of a molecular structure. By designing a molecule and using the molecule as a material for a capping layer, an organic EL element having excellent emission efficiency has been obtained.
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
C07D 413/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 417/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 213/16 - Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or
C07D 239/26 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
The present invention provides an organic electroluminescent element which sequentially comprises at least a positive electrode, a first hole transport layer, a second hole transport layer, a blue light emitting layer, an electron transport layer and a negative electrode in this order, wherein the second hole transport layer contains an arylamine compound that is represented by general formula (1).
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
It is an object of the present invention to provide an organic EL element including a capping layer constituted by two layers consisting of a first capping layer and a second capping layer that has a refractive index that is higher than that of the first capping layer, in order to improve the light extraction efficiency compared with an organic EL element including a capping layer constituted by a single layer. The present invention provides an organic electroluminescent element at least including an anode, a hole transport layer, a light emitting layer, an electron transport layer, a cathode, and a capping layer arranged in this order, wherein the capping layer has a structure constituted by two layers consisting of a first capping layer and a second capping layer, a refractive index of the second capping layer is higher than a refractive index of the first capping layer throughout a wavelength range from 450 to 650 nm, and the second capping layer contains an arylamine compound having a specific structure.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
61.
ARYLAMINE COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
62.
ARYLAMINE COMPOUND HAVING BENZOAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT ELEMENT
An objective of the invention is to provide an organic EL device that combines various materials of the device and a capping layer composed from a material that absorbs sunlight within the wavelength range of 400 nm to 410 nm to prevent impact on materials inside the organic EL device, has a high light absorption coefficient and a high refractive index to significantly improve light extraction efficiency, has excellent stability, durability and light resistance in a thin film, and has no absorption within the wavelength ranges of blue, green and red, to thereby effectively achieve the characteristics of the various materials of the device. The invention is an arylamine compound having a benzazole structure, and is also an organic EL device including a capping layer containing the arylamine compound and a light-emitting layer containing a host and a phosphorescent dopant.
C07D 263/62 - Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems having two or more ring systems containing condensed 1,3-oxazole rings
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07D 277/66 - Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2 with aromatic rings or ring systems directly attached in position 2
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
63.
ADAMANTANE COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
[Problem] The purpose of the present invention is to provide a compound which is suitable for a low refractive index layer in a capping layer in order to improve the light extraction efficiency of an organic EL element. [Solution] The present invention is achieved by focusing on the fact that a thin film of an adamantane compound has excellent stability and founding out that an amide compound, ester compound, amine compound or ether compound, in the center of which adamantane is arranged, exhibits low refractive index characteristics; and an organic EL element having excellent luminous efficiency is achieved by using this compound as a material which constitutes a capping layer that has a low refractive index.
C07C 43/192 - Ethers having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring containing halogen
C07C 43/21 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing rings other than six-membered aromatic rings
C07C 43/225 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing halogen
C07C 211/36 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of a saturated carbon skeleton containing at least two amino groups bound to the carbon skeleton
C07C 211/38 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of a saturated carbon skeleton containing condensed ring systems
C07C 233/79 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by a carbon atom of a ring other than a six-membered aromatic ring
C07C 255/54 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and etherified hydroxy groups bound to the carbon skeleton
C07C 255/57 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and carboxyl groups, other than cyano groups, bound to the carbon skeleton
C07C 255/58 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton
C07C 217/56 - Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains not further substituted by singly-bound oxygen atoms
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
C07C 69/76 - Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a six-membered aromatic ring
64.
ORGANIC THIN FILM TO BE USED IN PHOTOELECTRIC CONVERSION ELEMENT, AND SAID PHOTOELECTRIC CONVERSION ELEMENT
12111121313 represents an optionally substituted linear or branched alkyl group having from 1 to 6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group, or the like.)
H01L 51/42 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
C07D 209/86 - Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
65.
ORGANIC LIGHT-EMITTING ELEMENT USING POLYCYCLIC AROMATIC DERIVATIVE COMPOUND
An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
The purpose of the present invention is to provide a composition for a light emitting diode, with which the service life of an organic EL element having an organic layer formed using a polymer material can be made longer than in the past. The present invention is a composition for a light-emitting diode, which contains a high molecular weight compound and a thermally crosslinkable low molecular weight compound. The thermally crosslinkable low molecular weight compound is a compound having two or more thermally crosslinkable structures in the molecule. The thermally crosslinkable low molecular weight compound is preferably a compound having two or more thermally crosslinkable structures selected from among acrylate structures, methacrylate structures and maleimide structures in the molecule.
C08L 65/00 - Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
C08L 101/00 - Compositions of unspecified macromolecular compounds
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
[Object] An object of the present invention is to provide, as a material for an organic EL device having high efficiency and a high durability, a material for an organic EL device having excellent injection/transport performance of holes, excellent electron blocking capability, excellent stability in a thin-film state, and an excellent durability, and to further provide an organic EL device having high efficiency, a low drive voltage, and a long lifetime by combining the material and various materials for an organic EL device having excellent injection/transport performance of holes and electrons, excellent electron blocking capability, excellent stability in a thin-film state, and an excellent durability so that the properties of the respective materials can be effectively exhibited.
[Object] An object of the present invention is to provide, as a material for an organic EL device having high efficiency and a high durability, a material for an organic EL device having excellent injection/transport performance of holes, excellent electron blocking capability, excellent stability in a thin-film state, and an excellent durability, and to further provide an organic EL device having high efficiency, a low drive voltage, and a long lifetime by combining the material and various materials for an organic EL device having excellent injection/transport performance of holes and electrons, excellent electron blocking capability, excellent stability in a thin-film state, and an excellent durability so that the properties of the respective materials can be effectively exhibited.
[Solving Means] Since an arylamine compound having a specific structure in the present invention has excellent injection/transport performance of holes, excellent stability in a thin-film state, and an excellent durability, holes injected from the anode side can be effectively transported by selecting this arylamine compound having a specific structure as a material of a hole transport layer. Further, various organic EL devices obtained by combining an electron transport material having a specific structure and the like exhibit favorable device properties.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
The present invention provides various organic electroluminescent elements using a material for a capping layer and a material for a luminous layer, in which the material for a capping layer uses an arylamine material that exhibit excellent stability and durability in the form of a thin film, especially a specific amine compound having a high refractive index and having a high absorbance within a wavelength range from 400 nm to 410 nm in the absorption spectrum at a concentration of 10−5 mol/L; and in which the material for a luminous layer uses a compound containing a heterocyclic compound that has a specific fused ring structure.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
[Problem] The present invention addresses the problem of providing: a material for organic EL elements, said material being excellent in terms of hole injection/transport performance, electron blocking ability, and stability and durability in the form of a thin film; and an organic EL element which has high efficiency, low drive voltage and long service life and is obtained by combining the above-described material and various organic EL element materials that are excellent in terms of injection/transport performance of holes and electrons, electron blocking ability, and stability and durability in the form of a thin film, in such a manner that the respective characteristics of the materials are able to be exerted effectively. [Solution] The inventors have focused on the finding that a triarylamine compound having a specific structure is excellent in terms of hole injection/transport performance and stability and durability in the form of a thin film, and have accomplished the present invention by producing an organic EL element by selecting a specific arylamine compound as a material that constitutes a second hole transport layer.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
70.
COMPOUND HAVING PYRIMIDINE RING STRUCTURE AND ORGANIC ELECTROLUMINESCENT ELEMENT
An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound having excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The present invention provides a compound having a pyrimidine ring structure that is designed and chemically synthesized with the focus on the properties of the pyrimidine ring, which has affinity for electrons, specifically with the focus on the capability of the nitrogen atoms to coordinate to a metal and excellent heat resistance. Various organic EL elements including the compound were experimentally produced, followed by evaluation of the characteristics of those elements. From the results, it was found that the organic EL elements have favorable characteristics.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound that has excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The present invention focuses on the properties of the benzazole ring, which has affinity for electrons, and specifically focuses on the capability of its nitrogen atom to coordinate to a metal and also on excellent heat resistance. The inventors have thus designed and chemically synthesized various compounds having a benzazole ring structure, and then experimentally produced organic EL elements including the compounds, followed by thoroughly evaluating the characteristics thereof. As a result, it has been found that it is possible to obtain an organic EL element having excellent properties by using a specific compound having a benzazole ring structure.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
The purpose of the present invention is to provide an organic EL element having high efficiency, low drive voltage, and a long lifespan by using a material for an organic EL element having excellent hole injection/transport performance, excellent electronic blocking ability, and excellent stability and durability in a thin film state and further by combining the material with various materials for the organic EL element having excellent hole and electron injection/transport performance, excellent electronic blocking ability, and excellent stability and durability in a thin film state so that characteristics of the materials can be effectively exhibited. The present invention is an organic electroluminescence device which has at least a hole transport layer, a light emitting layer, and an electron transport layer from a positive electrode side between the positive electrode and the negative electrode in this order and in which the hole transport layer contains a triarylamine compound having a specific structure.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
73.
COMPOUND, HOLE TRANSPORT MATERIAL FOR PHOTOELECTRIC CONVERSION ELEMENT, HOLE TRANSPORT LAYER, AND PHOTOELECTRIC CONVERSION ELEMENT AND SOLAR CELL USING SAME
[Problem] The purpose of the present invention is to provide an organic electroluminescent element that has (1) a high absorption coefficient, (2) a high refractive index, (3) a thin film with good stability, (4) excellent durability, and (5) excellent light resistance, and (6) that is provided with a capping layer formed from a non-absorptive material in respective wavelength ranges of blue, green, and red. [Solution] An arylamine-based material having a specific structure in the present invention has excellent thin film stability and durability. Thus, this organic electroluminescence element exhibiting preferably element characteristics is obtained by selecting and using, as a material for forming a capping layer, a material having high absorbance at wavelengths of 400-410 nm in the absorption spectrum for a concentration of 10-5 mol/L of an amine compound having a specific benzazole ring structure and a high refractive index.
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound having excellent hole-injecting/transporting capability, electron-blocking capability, stability in the form of a thin film, and durability. Furthermore, another object of the present invention is to provide an organic EL element having high efficiency, a low driving voltage, and a long lifespan, by combining the organic compound with various materials for organic EL elements so as to effectively exhibit the properties of the individual materials, the materials having excellent hole/electron-injecting/transporting capability, electron-blocking capability, stability in the form of a thin film, and durability. The arylamine compound having a specific structure according to the present invention has excellent hole-injecting/transporting capability, stability in the form of a film, and durability. When this arylamine compound having a specific structure is selected as the material of a hole-transporting layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL elements including combination of the arylamine compound with an electron-transporting material having a specific structure or other materials had good element characteristics.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
76.
COMPOUND HAVING AZABENZOXAZOLE RING STRUCTURE AND ORGANIC ELECTROLUMINESCENT ELEMENT
An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound having excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The compound having an azabenzoxazole ring structure of the present invention has excellent heat resistance, and good electron-transporting capability. An organic EL element having an electron-transporting layer, a hole-blocking layer, a light-emitting layer, or an electron-injecting layer including the compound had favorable element characteristics.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/42 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
The present invention addresses the problem of providing: a material for organic EL elements, said material being excellent in terms of hole injection/transport performance, electron blocking ability, and stability and durability in the state of a thin film; and an organic EL element having high efficiency, low drive voltage and long service life and obtained by combining the above-described material and various organic EL element materials that are excellent in terms of the injection/transport performance of holes and electrons, electron blocking ability, and stability and durability in the state of a thin film, in such a manner that the respective characteristics of the materials can be effectively exerted. The present invention is an organic EL element comprising a specific arylamine compound as a material constituting a second hole transport layer, wherein the difference between the HOMO level of the second hole transport layer and the HOMO level of a first hole transport layer is 0.15 eV or less.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
[Problem] The purpose of the present invention is to provide a material for organic EL elements having excellent hole injection and transport performance, electron blocking ability, stability in a thin film state, and durability. The purpose of the present invention is also to provide an organic EL element having high efficiency, low drive voltage, and a long lifespan, by combining excellent materials for organic EL elements such that the properties of each material can be effectively demonstrated. [Solution] A triarylamine compound having a specific structure according to the present invention has excellent hole injection and transport abilities, stability in a thin film state, and durability. Thus, said triarylamine compound having a specific structure is selected as a material for a hole transport layer, and consequently, holes injected from the positive electrode side can be transported efficiently. In addition, a variety of organic EL elements in which a light-emitting material having a specific structure and the like are combined exhibit good element properties.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
79.
Dye for hair coloration, composition for hair coloration containing dye, and method for producing dye
A dye for hair coloration that has a long shelf life and is excellent in heat resistance, and a method for producing the dye for hair coloration, are provided. A dye for hair coloration represented by the following general formula (1), the dye for hair coloration having a proportion of a polyatomic anion (An) or impurities derived from An of 1% by mass or less:
wherein in the formula (1), D represents a cationic moiety of the dye for hair coloration; An represents a polyatomic anion; and a and b each independently represent a value of 0 to 1.
The purpose of the present invention is: to provide an organic compound that is for use as a material for a highly efficient and durable organic EL element, that has excellent hole injection/transport performance, that has an electron-blocking ability, and that has high stability and excellent properties in a thin-film state; and to further provide a highly efficient and durable organic EL element using said compound. This arylamine compound has a fluorenyl skeleton-containing heterocyclic structure, and has excellent heat resistance and good hole transporting ability. An organic EL element which uses said compound in a hole transport layer, an electron-blocking layer, a light emitting layer of the organic EL element, and a hole injection layer exhibits good element characteristics.
C07D 307/93 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
81.
HIGH MOLECULAR WEIGHT COMPOUND AND LIGHT EMITTING DIODE INCLUDING SAID HIGH MOLECULAR WEIGHT COMPOUND
The purpose of the present invention is to provide: a high molecular weight compound that has excellent hole injection/transportation capability, has electron stopping capability, and is highly stable in a thin film state; and a light emitting diode that has an organic layer (thin film) formed by said high molecular weight compound, that has a high luminous efficiency, and that provides a long service life. The high molecular weight compound according to the present invention includes repeating units formed by a specific triarylamine structural unit and a specific linkage structural unit, and has a weight average molecular weight not less than 10,000 but less than 1,000,000 in polystyrene equivalent.
C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
The purpose of the present invention is to provide an organic EL element wherein: (1) the absorption coefficient is high; (2) the refractive index is high; (3) a thin film has good stability; (4) the durability is excellent; (5) the light resistance is excellent; and (6) there is a capping layer which is configured from a material that does not have absorption in respective wavelength ranges of blue, green and red. Since an arylamine-based material having a specific structure according to the present invention has excellent thin film stability and durability, an organic EL element which uses an amine compound having a specific benzazole ring structure and a high refractive index as a material that constitutes a capping layer and selects a material that has a high absorbance at wavelengths of from 400 nm to 410 nm in the absorption spectrum at a concentration of 10-5 mol/L exhibits good element characteristics.
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
83.
HIGH MOLECULAR WEIGHT TRIARYLAMINE COMPOUND COMPRISING TERPHENYL STRUCTURE IN MOLECULAR MAIN CHAIN AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAID HIGH MOLECULAR WEIGHT COMPOUND
It is an object of the present invention to provide a high molecular weight compound that has excellent hole injection and transport performance, is capable of blocking electrons, and is highly stable as a thin film. It is another object of the present invention to provide an organic EL element that includes an organic layer (thin film) made of the above-described high molecular weight compound, wherein the organic EL element has high light emission efficiency and a long lifespan. The high molecular weight compound according to the present invention includes a repeating unit represented by a general formula (3), that is constituted by a specific triarylamine structural unit and a specific bonding structural unit, and has a weight average molecular weight of 10,000 or more and less than 1,000,000 on a polystyrene basis.
C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
84.
ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
An organic electroluminescent element including an anode and a cathode and including, between the anode and the cathode, at least a first hole transport layer, a second hole transport layer, a blue-light-emitting layer, and an electron transport layer disposed in this order from the anode side, wherein at least one of the layers disposed between the first hole transport layer and the electron transport layer includes an arylamine compound represented by general formula (1).
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
The present invention is an organic EL element in which a material used for a capping layer is a material having a high absorbance as measured at a wavelength of 400 to 410 nm in an absorption spectrum at a concentration of 10−5 mol/L, and the material is selected from an arylamine material which provides excellent stability and durability to a thin film, particularly selected from a diamine compound that has a particular benzazol ring structure having a high refractive index.
The present invention is an organic EL element in which a material used for a capping layer is a material having a high absorbance as measured at a wavelength of 400 to 410 nm in an absorption spectrum at a concentration of 10−5 mol/L, and the material is selected from an arylamine material which provides excellent stability and durability to a thin film, particularly selected from a diamine compound that has a particular benzazol ring structure having a high refractive index.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07D 403/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
[Problem] In order to absorb sunlight having a wavelength of 400-410 nm and improve light extraction efficiency without affecting the materials in the interior of an element, the present invention provides an organic electroluminescence element equipped with a capping layer formed from a material that has a high light absorption coefficient at wavelengths of 400-410 nm, a high refractive index, suitable thin film stability, and excellent durability and light resistance and that does not absorb light in any of the red, green, and yellow wavelength ranges. [Solution] An arylamine-based material having a specific structure in the present invention has excellent thin film stability and durability, so a material having high absorbance at wavelengths of 400-410 nm in the absorption spectrum for a concentration of 10-5 mol/L of an amine compound having a specific benzazole ring structure and a high refractive index is selected and used as a material for forming a capping layer in an organic electroluminescence element in order to obtain an organic electroluminescence element exhibiting suitable element characteristics.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
88.
Compound having triarylamine structure and organic electroluminescence device
An object of the present invention is to provide an organic compound that has excellent properties, with excellent hole injection and transport performance, electron blocking capability, and high stability in a thin film state, and furthermore to provide a highly efficient and highly durable organic EL device by using this compound. The present invention relates to a compound having a triarylamine structure and being represented by the structural formula (A-1) below, where A, B, and C may be the same or different, and each represent a group represented by the structural formula (B-1) below, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted fused polycyclic aromatic group, where at least one of A, B, and C is not the group represented by the structural formula (B-1) below. (For the symbols and the like in the formulae, see the descriptions in the specification.)
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
H10K 85/60 - Organic compounds having low molecular weight
H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
To provide an organic EL device having (1) high luminous efficiency and high power efficiency, (2) low turn on voltage, (3) low actual driving voltage, and (4) a long lifetime, by combining various materials for an organic EL device, which are excellent in hole injection/transport performances, electron injection/transport performances, electron blocking ability, stability in a thin-film state, and durability, so as to allow the respective materials to effectively reveal their characteristics. In the organic EL device having at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole transport layer includes an arylamine compound of the following general formula (1), and the electron transport layer includes a compound of the following general formula (2) having a benzazole ring structure.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
[Problem] The purpose of the present invention is to provide: a material for organic EL elements having high efficiency and high durability, said material being excellent in terms of hole injection/transport performance, electron blocking ability, and stability and durability in the form of a thin film; and an organic EL element having high efficiency, low drive voltage and long service life, said organic EL element being obtained by combining the above-described material and various materials for organic EL elements, said materials being excellent in terms of injection/transport performance of holes and electrons, electron blocking ability, and stability and durability in the form of a thin film, in such a manner that the respective characteristics of the materials can be effectively exerted. [Solution] Since an arylamine compound having a specific structure according to the present invention has excellent hole injection/transport performance and excellent stability and durability in the form of a thin film, this arylamine compound having a specific structure is selected as a material for a hole transport layer; and consequently, holes injected from the positive electrode side are able to be transported efficiently. In addition, a variety of organic EL elements, which are obtained by combining an electron transport material having a specific structure and the like, exhibit good element characteristics.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
91.
ORGANIC ELECTROLUMINESCENCE ELEMENT HAVING ORGANIC LAYER COMPRISING HIGH MOLECULAR WEIGHT COMPOUND
The objective of the present invention is to provide a polymer organic EL element having a low driving voltage, a high luminous efficiency, and a long lifespan. The present invention relates to an organic electroluminescence element having a pair of electrodes and at least one organic layer between the electrodes, wherein the organic layer comprises at least two kinds of high molecular weight compounds including at least high molecular weight compounds α and β, and the high molecular weight compound α includes a substituted triarylamine structural unit represented by general formula (1) below and has a weight average molecular weight of 10,000-1,000,000 (exclusive of 1,000,000) in terms of polystyrene. For the symbols in the formula, see specification.
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
92.
COMPOUND INCLUDING BENZIMIDAZOLE RING STRUCTURE AND ORGANIC ELECTROLUMINESCENT ELEMENT
A compound including a benzimidazole ring structure, represented by general formula (1).
A compound including a benzimidazole ring structure, represented by general formula (1).
A compound including a benzimidazole ring structure, represented by general formula (1).
(In formula (1), X1 and X2 may be the same or different and each represent a specific carbon atom or a nitrogen atom, Ar represents a specific group, R1 and R2 may be the same or different and each represent a specific group, and m is an integer of 0-4.)
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
93.
Organic electroluminescent element and method for producing same
6 each represent a linking group as a binding site, a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a cyano group, a nitro group, a linear or branched alkyl group, a cycloalkyl group, an alkenyl group, an alkyloxy group, a cycloalkyloxy group, an aromatic hydrocarbon group, an aromatic heterocyclic group, a fused polycyclic aromatic group, or an aryloxy group. Q represents a nitrogen atom, an oxygen atom, or a sulfur atom.
[Problem] To provide a polymer material having excellent hole injection/transport performance, electron-blocking ability, high heat resistance, and high stability in a thin film state for use in a polymer organic EL device. Also provided is the use of this polymer material to provide an organic EL device having a low drive voltage, high luminous efficiency, and long life. [Solution] The compound of the present invention is a high-molecular-weight compound including at least one substituted triarylamine structural unit represented by general formula (1), separately having a structural unit having at least one aromatic hydrocarbon ring or a structural unit having a triarylamine skeleton, having a weight average molecular weight of from 10,000 to less than 1,000,000 in terms of polystyrene, and having no crosslinker. The high-molecular-weight compound is characterized in an organic EL device by being used in an organic EL device as a structural material of at least one organic layer.
C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
95.
COMPOUND HAVING BENZOTRIAZOLE RING STRUCTURE AND ORGANIC ELECTROLUMINESCENCE ELEMENT
The purpose of the present invention is: to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound that has excellent characteristics such as excellent electron injection and transport performance, hole blocking ability, and high stability as a thin film; and to use the compound to provide a highly efficient and highly durable organic EL element. Given that benzotriazole ring structures, which have an affinity for electrons, have excellent heat resistance and have nitrogen atoms that can coordinate with metals, compounds that had a benzotriazole ring structure were designed and synthesized and used to evaluate the characteristics of organic EL elements, whereupon it was discovered that an organic EL element that had excellent characteristics could be obtained using a specifically structured compound that had a benzotriazole ring structure.
C07D 249/20 - Benzotriazoles with aryl radicals directly attached in position 2
C07D 401/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
96.
Organic electroluminescence device that includes compound having benzoazole structure
It is an object of the present invention to provide an organic EL device in which, as a highly efficient and highly durable organic EL material, various materials excelling in electron injection/transport performance, hole blocking performance, hole resistance performance, exciton confinement performance, stability in a film state, and durability, are combined so that properties of each material can be effectively demonstrated, thereby achieving (1) high light emission efficiency and power efficiency, (2) low luminescence starting voltage, (3) low practical driving voltage, and (4) particularly long lifetime.
An organic EL device including at least a anode, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer, and a cathode in this order, characterized in that the hole blocking layer includes a compound having a benzoazole structure represented by the following general formula (1).
2 may be the same or different from each other and each represent a carbon atom or a nitrogen atom).
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/42 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
97.
ORGANIC EL DEVICE, AMINE COMPOUND HAVING BENZAZOLE RING STRUCTURE, AND METHOD IN WHICH SAID AMINE COMPOUND IS USED IN CAPPING LAYER OF ORGANIC EL DEVICE
The present invention relates to an organic EL device having at least an anodic electrode, a hole transport layer, a light emitting layer, an electron transport layer, a cathodic electrode, and a capping layer in this order, in which the capping layer contains an amine compound having a benzazole ring structure represented by the following general formula (A-1).
The present invention relates to an organic EL device having at least an anodic electrode, a hole transport layer, a light emitting layer, an electron transport layer, a cathodic electrode, and a capping layer in this order, in which the capping layer contains an amine compound having a benzazole ring structure represented by the following general formula (A-1).
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
98.
PHOTOELECTRIC CONVERSION DEVICE INCLUDING ORGANIC THIN FILM MADE OF COMPOUND HAVING INDENOCARBAZOLE RING
12319101111 each represent an optionally substituted linear or branched alkyl group having 1-6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group, etc.)
H01L 51/42 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
H01L 27/30 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for either the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
[Object] It is an object of the present invention to provide an organic compound having excellent properties such as excellent hole injection/transport performance, electron blocking performance, high stability in a thin-film state, and high light emission efficiency as a material for a highly efficient organic EL device having a high durability, and a highly efficient organic EL device having a high durability by using this compound.
[Object] It is an object of the present invention to provide an organic compound having excellent properties such as excellent hole injection/transport performance, electron blocking performance, high stability in a thin-film state, and high light emission efficiency as a material for a highly efficient organic EL device having a high durability, and a highly efficient organic EL device having a high durability by using this compound.
[Solving Means] An organic EL device, including, between an anode and a cathode, at least a first hole transport layer, a second hole transport layer, a green light-emitting layer, and an electron transport layer in the stated order from a side of the anode, the organic EL device being characterized in that, the second hole transport layer, or at least one of stacked films disposed between the first hole transport layer and the electron transport layer contains an arylamine compound represented by the following general formula (1).
[Object] It is an object of the present invention to provide an organic compound having excellent properties such as excellent hole injection/transport performance, electron blocking performance, high stability in a thin-film state, and high light emission efficiency as a material for a highly efficient organic EL device having a high durability, and a highly efficient organic EL device having a high durability by using this compound.
[Solving Means] An organic EL device, including, between an anode and a cathode, at least a first hole transport layer, a second hole transport layer, a green light-emitting layer, and an electron transport layer in the stated order from a side of the anode, the organic EL device being characterized in that, the second hole transport layer, or at least one of stacked films disposed between the first hole transport layer and the electron transport layer contains an arylamine compound represented by the following general formula (1).
[Object] It is an object of the present invention to provide an organic compound having excellent properties such as excellent hole injection/transport performance, electron blocking performance, high stability in a thin-film state, and high light emission efficiency as a material for a highly efficient organic EL device having a high durability, and a highly efficient organic EL device having a high durability by using this compound.
[Solving Means] An organic EL device, including, between an anode and a cathode, at least a first hole transport layer, a second hole transport layer, a green light-emitting layer, and an electron transport layer in the stated order from a side of the anode, the organic EL device being characterized in that, the second hole transport layer, or at least one of stacked films disposed between the first hole transport layer and the electron transport layer contains an arylamine compound represented by the following general formula (1).
(In the formula, Ar1, Ar2, Ar3, and Ar4 may be the same as or different from each other, and each represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted fused polycyclic aromatic group. L1 represents a divalent group of a substituted or unsubstituted aromatic hydrocarbon, a divalent group of a substituted or unsubstituted aromatic heterocyclic, or a divalent group of a substituted or unsubstituted fused polycyclic aromatic. R1, R2, and R3 each represent a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a cyano group, a nitro group, a linear or branched alkyl group having 1 to 6 carbon atoms which may have a substituted group, a cycloalkyl group having 5 to 10 carbon atoms which may have a substituted group, a linear or branched alkenyl group having 2 to 6 carbon atoms which may have a substituted group, a linear or branched alkyloxy group having 1 to 6 carbon atoms which may have a substituted group, a cycloalkyloxy group having 5 to 10 carbon atoms which may have a substituted group, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, or a substituted or unsubstituted aryloxy group. n represents an integer of 1 to 3.)
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
C07F 15/00 - Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic System
C07C 211/57 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
C07C 211/61 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
C07D 209/88 - Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
Object
To provide an organic electroluminescence device including, in order to improve the device characteristics of the organic electroluminescence device, particularly, to absorb light having the wavelengths of from 400 nm to 410 nm from sunlight, not to affect a material inside the device, and to significantly improve the light extraction efficiency, a capping layer formed of a material that has a high absorption coefficient, a high refractive index, and an excellent stability, durability, and light resistance of a thin film, and does not absorb light in the blue, green, and red wavelength range.
Solving Means
−5 mol/l.
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
