The present invention relates to a fluorescent reporter capable of labeling nucleic acids including DNA and exhibiting luminescent properties at an excited energy level, and various uses thereof.
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
3.
POLYCYCLIC COMPOUND AND ORGANOELECTRO LUMINESCENT DEVICE USING SAME
The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.
An organic electroluminescent device according to the present invention is an organic electroluminescent device comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer is formed using a composition having an organic electroluminescence material and a solvent, the organic electroluminescence material has a host, and the organic electroluminescence device has excellent operation properties such as luminous efficiency and driving voltage by using an organic electroluminescence material having high solubility in a solvent.
An organic electroluminescent device according to the present invention is an organic electroluminescent device comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer is formed using a composition having an organic electroluminescence material and a solvent, the organic electroluminescence material has a host, and the organic electroluminescence device has excellent operation properties such as luminous efficiency and driving voltage by using an organic electroluminescence material having high solubility in a solvent.
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
8.
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
10.
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
11.
NOVEL ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.
The present invention relates to an organic light-emitting device comprising an organic compound represented by [chemical formula A], and, more particularly, to an organic light-emitting device comprising two emission layers between a first electrode and a second electrode and using the organic compound represented by [chemical formula A] in at least one of the two emission layers, [chemical formula A] being the same as that described in the detailed description of the invention.
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).
The present invention relates to a polycyclic aromatic derivative compound and a high efficiency and long lifetime organoelectroluminescent device which has significantly improved luminous efficiency by using same. The present invention can implement an organoelectroluminescent device with high efficiency and long lifetime, and thus can be effectively used for industrial applications including flat display devices, flexible display devices, monochromatic or white flat lighting devices, and monochromatic or white flexible lighting devices.
C07F 9/6561 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero 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
The present invention relates to an organic light-emitting device comprising an organic compound represented by [chemical formula A] or [chemical formula B] and, more particularly, to an organic light-emitting device comprising two emission layers between a first electrode and a second electrode and using the organic compound represented by [chemical formula A] or [chemical formula B] in at least one of the two emission layers, [chemical formula A] and [chemical formula B] being as described in the detailed description of the invention.
[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
The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] and [chemical formula B] are as described in the detailed description of the invention.
The present invention relates to a polycyclic compound which can be employed in various organic layers included in an organic light emitting device and contains R substituted with at least one deuterium (D), and to an organic light emitting device which has a long lifespan by comprising same to significantly improve lifespan characteristics thereof. According to the present invention, an organic light emitting device having a long lifespan can be implemented, and thus can be industrially advantageously used in various lighting and display devices, such as a flat panel display device, a flexible display device, a monochromatic or white flat panel lighting device, a monochromatic or white flexible lighting device, a vehicle display device, and a virtual or augmented reality display device.
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
24.
NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE INCLUDING SAME
The present invention relates to: a novel aromatic heterocyclic compound that can be used in an organic light-emitting diode; and an organic light-emitting diode including same.
The present invention relates to a polycyclic compound that can be employed in various organic layers provided in an organic light-emitting device, and to a high-efficiency and long-life organic light-emitting device which comprises same and thus has significantly improved luminous efficiency and lifespan characteristics. The organic light-emitting device comprising the polycyclic compound according to the present invention can be industrially usefully used for various display devices as well as a lighting device, such as a flat-panel display device, a flexible display device, a monochromatic or white flat-panel lighting device, a monochrome or white flexible lighting device, a vehicle display device, or a virtual or augmented-reality display device.
The present invention relates to an organic compound used as a material for organic layers, such as an electron-transporting layer, in an organic light-emitting device. By employing the organic compound in organic layers, such as an electron-transporting layer, in a device, a highly efficient, long-life organic light-emitting device having significantly improved light-emitting efficiency and lifespan may be provided, and thus the organic light-emitting device can be used not only in a lighting device, but also in various display devices such as flat, flexible, and wearable displays and the like.
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
H10K 85/60 - Organic compounds having low molecular weight
The present invention relates to an organic compound used as a material of an organic layer such as an electron transport layer in an organic light-emitting device, and the organic compound is employed in an organic layer such as an electron transport layer in a device so as to enable a high-efficiency and long-lifespan organic light-emitting device with remarkably improved lifespan and luminous efficiency to be implemented, and thus can be effectively used in a lighting device and in various display devices such as flat, flexible and wearable displays.
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 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
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
C07F 7/08 - Compounds having one or more C—Si linkages
H10K 85/60 - Organic compounds having low molecular weight
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 relates to: a polycyclic compound that can be employed in various organic layers provided in an organic light-emitting device; and a high-efficiency and long-lifespan organic light-emitting device comprising same to have significantly improved luminous efficiency and lifespan characteristics. By using same, the present invention can be industrially and effectively used in lighting devices and various display devices, such as a flat-panel display apparatus, a flexible display apparatus, a monochrome or white flat-panel lighting apparatus, a monochrome or white flexible lighting apparatus, a vehicle display apparatus, and a virtual or augmented reality display apparatus.
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
The present invention relates to a quencher having a quenching effect on a fluorescent material exhibiting a luminescent property at an excited energy level, and various uses thereof.
C09B 67/00 - Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
C07H 21/00 - Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids
The present invention relates to a fluorescent reporter exhibiting luminescence at an excited energy level as well as labeling a nucleic acid including DNA, and various uses thereof.
C09B 67/00 - Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
36.
THERMALLY-CROSSLINKABLE LOW MOLECULAR WEIGHT COMPOUND-CONTAINING COMPOSITION FOR LIGHT EMITTING DIODE
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.
The present invention relates to a polycyclic aromatic derivative compound and an organoelectroluminescent device comprising same. The present invention can implement a high-efficiency and long-lifetime organoelectroluminescent device with significantly improved luminous efficiency, and thus can be effectively used for industrial applications including flat display devices, flexible display devices, monochromatic or white flat lighting devices, and monochromatic or white flexible lighting devices.
The present invention relates to a quencher which exhibits a quenching effect on a fluorescent material exhibiting luminescence at an excited energy level, and various uses thereof.
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 invention pertains to: a novel aromatic heterocyclic compound that can be used in an organic light-emitting diode; and an organic light-emitting diode including same.
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 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 417/12 - 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 409/12 - 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 chain containing hetero atoms as chain links
C07D 235/02 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
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
C07D 413/04 - 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 directly linked by a ring-member-to-ring- member bond
41.
ORGANIC ELECTROLUMINESCENT ELEMENT AND METHOD FOR PRODUCING SAME
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 present invention relates to: a novel aromatic heterocyclic compound to be used in an organic light-emitting diode; and the organic light-emitting diode comprising same.
A polycyclic aromatic derivative compound according to the present invention is employed in an organic layer in a device, thus being able to implement a high-efficiency organic light-emitting device, and thus can be industrially and effectively used in various display devices such as flexible displays, and illumination apparatuses such as monochromatic or white flat illumination and monochromatic or white flexible illumination.
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 7/08 - Compounds having one or more C—Si linkages
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
44.
ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
The present invention relates to a novel compound with a characteristic structure and a high-efficiency, long-lifetime organic light-emitting device including same as a host compound in the light-emitting layer. Employing a polycyclic compound having a characteristic structure with a pyrene derivative incorporated thereinto as a host in the light-emitting layer, the organic light-emitting device according to the present invention can be configured as a high-efficiency, long-lifetime organic light-emitting device with excellent luminous characteristics in emission efficiency and the like and thus can find industrially advantageous applications in illumination devices as well as various display devices such as flat panel, flexible, and wearable displays.
C07D 491/048 - Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
C07D 209/94 - [b, c]- or [b, d]-condensed containing carbocyclic rings other than six-membered
The present invention relates to a polycyclic aromatic derivative compound that can be used in a variety of organic material layers in an organic light-emitting element, and an organic light-emitting element comprising the polycyclic aromatic derivative compound, the highly efficient and long-life organic light-emitting element having significantly improved light-emitting efficiency by employing the polycyclic aromatic compound as a dopant compound in a light-emitting layer, and an anthracene derivative having a particular structure as a host compound.
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.
Disclosed herein are pyrene heterocyclic compounds useful for an organic light-emitting diode and an organic light-emitting diode including same. More specifically, compound represented by [Chemical Formula A] or [Chemical Formula B] and an organic light-emitting diode are provided. [Chemical Formula A] and [Chemical Formula B] are as defined in the Description.
H10K 85/60 - Organic compounds having low molecular weight
H10K 71/10 - Deposition of organic active material
C07D 307/77 - 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
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.
The present invention relates to a novel compound and uses thereof and, more specifically, to a compound capable of labeling a biomolecule (e.g. nucleic acid, protein, etc.), a composition for labeling or detecting a biomolecule comprising the compound, a support for labeling or detecting a biomolecule comprising the compound, and a method for labeling or detecting a biomolecule by using the compound.
C07D 491/22 - Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or in which the condensed system contains four or more hetero rings
C07D 513/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups , or in which the condensed system contains four or more hetero rings
G01N 33/58 - Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving labelled substances
C12Q 1/6818 - Hybridisation assays characterised by the detection means involving interaction of two or more labels, e.g. resonant energy transfer
C12Q 1/6837 - Enzymatic or biochemical coupling of nucleic acids to a solid phase using probe arrays or probe chips
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.
The present disclosure relates to a novel method for manufacturing a deuterated boron compound and, more specifically, to a novel method for manufacturing a boron compound including a heteroaromatic ring, whereby the deuterated polycyclic ring compound guarantees excellent longevity as a dopant material in a light-emitting layer for the organic light-emitting diode and can be produced at high yield, with the improvement of facilitation and economy in the process due to the single deuteration step for the specific intermediate.
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.
An organoelectroluminescent device according to the present invention is capable of low voltage driving, has an excellent external quantum efficiency and exhibits highly efficient light-emitting characteristics by employing compounds having distinct structures, as a hole transport material and a dopant material, in a hole injection layer or a hole transport layer, and a light-emitting layer, respectively, and thus can be industrially utilized in a flat display device, a flexible display device, a monochrome or white flat panel lighting apparatus, a monochrome or white flexible lighting apparatus and the like.
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
The present invention relates to a high-efficiency organoelectroluminescent device in which a polycyclic aromatic derivative compound is used for a light-emitting layer in the device and a capping layer is further formed. The organoelectroluminescent device, according to the present invention, may be industrially useful for flat panel display devices, flexible display devices, monochromatic or white flat panel lighting devices, monochromatic or white flexible lighting devices, vehicle display devices, virtual or augmented reality display devices, and the like.
The present invention relates to an anthracene derivative compound having a characteristic structure in which an aliphatic aromatic mixed ring group is substituted, and to an organic light-emitting device comprising same. The present invention relates to a high-efficiency and long-lifespan organic light-emitting device having remarkably improved luminous efficiency and lifespan characteristics by adopting the anthracene derivative compound according to the present invention as a host of a light-emitting layer, and adopting a polycyclic compound having a characteristic structure as a dopant of the light-emitting layer.
C07F 7/08 - Compounds having one or more C—Si linkages
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 255/52 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of six-membered aromatic rings being part of condensed ring systems
H10K 99/00 - Subject matter not provided for in other groups of this subclass
58.
NOVEL ORGANIC LIGHT EMITTING DEVICE COMPRISING TWO LIGHT EMITTING LAYERS
The present invention relates to a novel organic light emitting device comprising two light emitting layers, and more specifically, to a novel organic light emitting device in which at least two light emitting layers are included, wherein by using a compound having a specific structure as a host material in at least one light emitting layer, the organic light emitting device is capable of realizing device characteristics such as high luminous efficiency, long lifespan, and low voltage driving.
The present invention relates to an anthracene derivative compound having a characteristic structure in which an aryl group is introduced into a skeletal structure in which deuterium-substituted phenyl and anthracene are linked. In addition, the present invention relates to a high-efficiency, long-life organic light-emitting device of which the luminous efficiency and lifetime characteristics are significantly improved by employing a polycyclic compound having a characteristic structure as a dopant for a light-emitting layer while employing said compound as a host for the light-emitting layer. Furthermore, the present invention relates to a high-efficiency, long-life organic light-emitting device of which the luminous efficiency and lifetime characteristics are significantly improved by employing a polycyclic compound having a characteristic structure as a dopant for a light-emitting layer while forming a host of the light-emitting layer with a plurality of materials of one or more characteristic anthracene compounds in addition to said compound.
Disclosed herein is an organic light-emitting diode comprising at least one of the compounds represented by [Chemical Formula A] and at least one of the compound represented by [Chemical Formula B] as host materials therein, wherein [Chemical Formula A] and [Chemical Formula B] are as defined in the description.
A polycyclic aromatic compound or a condensed multimer thereof, according to the present invention, is employed in an organic layer in an organoelectroluminescent device, thereby enabling the implementation of an organoelectroluminescent device having high efficiency and a long lifespan, and thus the present invention may be industrially useful in various display devices such as a flat panel display device, a flexible display device, a monochromatic or white flat panel lighting device, and a monochromatic or white flexible lighting device.
The present invention relates to: an anthracene derivative compound having a specific structure; and an organic light-emitting device having low-voltage driving characteristics, comprising same, and also relates to an organic light-emitting device, which employs, as a dopant compound, a polycyclic aromatic derivative compound having a specific structure together in a light-emitting layer, and thus has excellent light-emitting characteristics such as further improved low-voltage driving.
C07F 9/6571 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
C07F 9/6564 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
C07F 9/6584 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms having one phosphorus atom as ring hetero atom
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 present invention relates to an organic light-emitting compound represented by [chemical formula A] or [chemical formula B], which can be used in an organic light-emitting device, and an organic light-emitting device comprising same, wherein [chemical formula A] and [chemical formula B] are the same as described in the detailed description of the invention.
C07C 15/27 - Polycyclic condensed hydrocarbons containing three rings
C07F 7/08 - Compounds having one or more C—Si linkages
C07C 255/52 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of six-membered aromatic rings being part of 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 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 211/54 - 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 241/42 - Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
C07D 265/38 - [b, e]-condensed with two six-membered rings
66.
HIGH EFFICIENCY AND LONG LIFETIME ORGANIC LIGHT-EMITTING DIODE
The present invention relates to an organic light-emitting diode in which a light-emitting layer comprises a compound represented by [chemical formula A] as a host and comprises a compound represented by [chemical formula 3], [chemical formula 4], [chemical formula 3-1] or [chemical formula 4-3] as a dopant, wherein [chemical formula 3], [chemical formula 4], [chemical formula 3-1] and [chemical formula 4-3] are the same as those described in the detailed description of the invention.
C07C 15/27 - Polycyclic condensed hydrocarbons containing three rings
C07C 255/50 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
C07B 59/00 - Introduction of isotopes of elements into organic compounds
C07F 7/08 - Compounds having one or more C—Si linkages
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 211/54 - 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 241/42 - Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by any one of [Chemical Formula A] to [Chemical Formula E], wherein [Chemical Formula A] to [Chemical Formula E] is as defined in the description.
An organoelectroluminescent device according to the present invention can achieve low-voltage driving and high-efficiency luminous characteristics with excellent external quantum efficiency by employing compounds having a characteristic structure as a hole transport material and a dopant material in a hole injection layer or hole transport layer and a light-emitting layer respectively, and thus can be effectively used in industrial applications such as flat display devices, flexible display devices, monochrome or white flat lighting devices, and monochrome or white flexible lighting devices.
The present invention relates to an organic light-emitting device comprising, in a light-emitting layer thereof: a compound represented by [chemical formula A]; and a compound represented by any one of [chemical formula D-6] and [chemical formula D-7], wherein [chemical formula A], [chemical formula D-6], and [chemical formula D-7] are as described in the detailed description of the invention.
The present invention relates to an organic light-emitting device in which a light-emitting layer included in the organic light-emitting device comprises: a compound represented by [chemical formula A]; and a compound represented by any one of [chemical formula D-1] to [chemical formula D-7], wherein [chemical formula A] and [chemical formula D-1] to [chemical formula D-7] are as set forth in the detailed description of the invention.
An organoelectroluminescent device according to the present invention employs compounds of characteristic structures as a hole transport material and a dopant material in a hole injection layer or a hole transport layer, and in an emissive layer, respectively, and thus can be driven at a low voltage and realize highly efficient emission characteristics with excellent external quantum efficiency. Thus, the organoelectroluminescent device may be industrially advantageously used in a flexible display device, a flexible display device, a single-color or white-color flat lighting device, a single-color or shite-color flexible lighting device, and the like.
The present invention relates to an anthracene compound represented by [Chemical Formula A] and an organic light-emitting diode comprising same, wherein [Formula A] is the same as described in the description.
C07D 307/79 - Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
73.
NOVEL PHENANTHROLINE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
The present invention relates to a novel phenanthroline-based compound and an organic light-emitting device having high efficiency characteristics comprising same. More particularly, the present invention relates to a phenanthroline-based compound exhibiting high efficiency by including a phenanthroline-based compound having a specific structure as a material for a charge generation layer in an organic light-emitting device, and to an organic light-emitting device comprising same, wherein [Chemical Formula A] is the same as described in the detailed description of the invention.
The present invention relates to an amine compound having a fused ring that can be employed in various organic layers in an organic light-emitting device, and a high-efficiency organic light-emitting device comprising same and having significantly improved luminous efficiency. The amine compound having a fused ring, according to the present invention, makes it possible to implement a high-efficiency organic light-emitting device by being employed as an organic layer in the device, particularly as a hole transport or electron blocking material, and thus can be industrially utilized in a flat panel display device, a flexible display device, a monochromatic or white flat panel lighting device, a monochromatic or white flexible lighting device, a vehicle display device, a virtual or augmented reality display device, and the like.
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 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
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
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
76.
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
The present invention relates to a polycyclic aromatic derivative compound and an organic light-emitting device having high efficiency and long lifespan, the device applying the compound in various organic layers so as to remarkably improve luminous efficiency. According to the invention, an organic light-emitting device having high efficiency and long lifespan and having remarkably improved luminous efficiency can be implemented, and thus can be industrially useful in various display devices and lighting devices.
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
Disclosed is an organic light-emitting device with high efficiency and long lifespan that uses an anthracene derivative having a characteristic structure as a host compound in a light-emitting layer of the organic light-emitting device and uses a compound having a characteristic structure as a compound for a hole transport layer.
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
Disclosed is a highly efficient organic light-emitting device that uses an anthracene derivative having a characteristic structure as a host compound in a light-emitting layer of the organic light-emitting device and includes a capping layer formed using a compound having a characteristic structure in the organic light-emitting device.
C07D 409/04 - 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 directly linked by a ring-member-to-ring- member bond
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 409/14 - 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 405/14 - 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
C07F 7/08 - Compounds having one or more C—Si linkages
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
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 409/12 - 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 chain containing hetero atoms as chain links
C07D 209/84 - Separation, e.g. from tar; Purification
C07D 249/20 - Benzotriazoles with aryl radicals directly attached in position 2
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 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 413/14 - 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
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
Disclosed is an organic light-emitting device with high efficiency and long lifespan that uses an anthracene derivative having a characteristic structure as a host compound in a light-emitting layer of the organic light-emitting device and uses a compound having a characteristic structure as a compound for an electron transport layer.
C07D 409/04 - 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 directly linked by a ring-member-to-ring- member bond
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 307/72 - Nitro radicals attached in position 5 with hydrocarbon radicals, substituted by nitrogen-containing radicals, attached in position 2
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 405/14 - 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
C07F 7/08 - Compounds having one or more C—Si linkages
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 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
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 239/74 - Quinazolines; Hydrogenated quinazolines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring
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 401/10 - 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 213/06 - 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
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
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
81.
ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT
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)
82.
POLYCYCLIC AROMATIC DERIVATIVE COMPOUND AND ORGANOELECTROLUMINESCENT DEVICE USING SAME
The present invention relates to a polycyclic aromatic derivative compound that can be employed in an organic layer in a device, and an organoelectroluminescent device with high-efficiency and a long-life, including same and having remarkably improved luminous efficiency, and the device employing same can be efficiently utilized in a variety of displays and lighting devices, such as a flat panel display device, a flexible display device, a single color or white flat lighting device, and a single color 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
83.
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)
89.
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)
91.
POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
Disclosed is a polycyclic compound that can be employed in various organic layers of an organic electroluminescent device. Also disclosed is an organic electroluminescent device including the polycyclic compound. The organic electroluminescent device includes a light emitting layer employing the polycyclic compound as a dopant and an anthracene derivative having a characteristic structure and characteristic substituents as a host. The use of the polycyclic compound significantly improves the color purity, luminous efficiency, and life characteristics of the organic electroluminescent device and makes the organic electroluminescent device highly efficient and long lasting.
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 7/08 - Compounds having one or more C—Si linkages
[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)
Disclosed herein are a novel organometallic compound and an organic light-emitting diode including same. More specifically, an organometallic compound represented by [Chemical Formula 1] and an organic light-emitting diode including same are provided.
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
The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by [Chemical Formula A], wherein [Chemical Formula A] is as defined in 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
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 invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency. According to the present invention, it is possible to implement a highly efficient organoelectro luminescent device that can be effectively applied to various display devices.
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
97.
NOVEL BORON COMPOUND AND ORGANIC LIGHT EMITTING DIODE INCLUDING SAME
The present disclosure relates to a boron compound applicable to an organic light-emitting diode and an organic light-emitting diode comprising same. More specifically, the present disclosure relates to a boron compound represented by any one of Chemical Formulas A to D and an organic light-emitting diode comprising same, wherein Chemical Formulas A to D are as defined in the description.
C07F 7/08 - Compounds having one or more C—Si linkages
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 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)
100.
ORGANIC LIGHT EMITTING COMPOUND AND ORGANIC LIGHT EMITTING DEVICE
The present invention relates to the following polycyclic aromatic derivative organic light emitting compound, and an organic light emitting device employing same as a dopant compound of a device light emitting layer. The organic light emitting device according to the present invention comprises a polycyclic aromatic derivative compound as a dopant compound in a light emitting layer, and also, at the same time, employs, alongside the dopant compound, an anthracene derivative compound having a characteristic structure in the light emitting layer by combining same as a host. Accordingly, the organic light emitting device according to the present invention has excellent color purity, high luminous efficiency, and a remarkably improved long life, and thus can be usefully used in various display devices.
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
