Semiconductor light emitting elements are configured to be mounted on the substrate, a frame is configured to be vertically provided on the substrate in an annular or oval-annular shape so as to surround the semiconductor light emitting elements, and a sealing portion is configured to seal an inner wall of the frame, an upper surface of the substrate inside the frame, and the semiconductor light emitting elements. The sealing portion includes a first resin portion configured to have a concave surface having at least one rotational plane having a central axis of the frame as a rotational axis, and a second resin portion configured to cover the concave surface of the first resin portion and having a convex external surface, and the sealing portion has an external surface in which an external surface of the first resin portion and an external surface of the second resin portion are integrated.
An eyeglass-type video display device includes a video generation device and an eyeglass body. The video generation device includes a MEMS optical deflector and a VCSEL mounted on the same substrate, and a planar mirror and a rotating mirror arranged above the substrate. Light emitted from an emission part is emitted obliquely upward from one longitudinal-direction end side of the substrate through the planar mirror, the rotating mirror, and a revolving mirror. The video generation device is attached to an arm of the eyeglass body such that the emission direction of the light becomes a direction that is obliquely forward with respect to an inner side surface of the arm.
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
To improve pedestrian visibility. Provided is a headlight controller connectable to a first headlight and a second headlight spaced apart in a vehicle width direction at the front of the vehicle, the headlight controller including: a rainfall amount detection means installed in the vehicle; and a controller installed in the vehicle, where the controller is connected to the rainfall amount detection means, and the controller carries out control such that when rainfall amount detected by the rainfall amount detection means is equal to or more than a predetermined value, irradiation light from the first headlight becomes relatively darker than irradiation light from the second headlight.
B60Q 1/14 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
B60Q 1/08 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
4.
VEHICLE POSITION IDENTIFICATION APPARATUS, VEHICLE POSITION IDENTIFICATION METHOD, LIGHT DISTRIBUTION CONTROLLER, VEHICLE LAMP SYSTEM
To accurately identify positions of preceding vehicles. A vehicle position identification apparatus having a controller, where the controller (a) acquires position data of each forward vehicle, each position data including a left side position and a right side position of each forward vehicle, and (b) for each position data at a first time and a second time, associates the left side position with a first axis and the right side position with a second axis and obtains a distance between each of the position data on coordinates, or obtains the amount of change in the left side position along the first axis and the amount of change in the right side position along the second axis, and based on the distance or each of the amount of change, identifies a correspondence relationship between each of the position data and each forward vehicle and generates data which indicates the correspondence relationship.
B60Q 1/14 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
G06V 20/58 - Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
An optical scanning device includes a standing plate part which has an inclined groove and a through hole at positions above a vertical cavity surface emitting laser (VCSEL) and a micro electro mechanical systems (MEMS) optical deflector, and which is fixed to a substrate. A plate-shaped mirror and a rotary mirror have one end portions thereof in the Y-axis direction supported by the inclined groove and the through hole, respectively. The through hole has the shape of a rotating body having an axis in the Y-axis direction as the centerline thereof.
To make it possible to grasp the road surface condition more reliably when the road surface on which the irradiation pattern is formed is captured by a camera. A controller for lighting control installed in a vehicle that is equipped with a camera that captures the surroundings of the vehicle, a monitor that displays images captured by the camera, and an irradiation unit capable of irradiating light on a road surface within a range that can be captured by the camera, and in which the controller performs operation control of the irradiation unit, where the controller performs operation control of the irradiation unit so that it prevents the irradiation unit from performing light irradiation during each intermittently occurring capturing period of the camera, and causes the irradiation unit to irradiate light during a non-capturing period between the capturing periods.
B60Q 1/18 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights being additional front lights
H04N 23/74 - Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
A fluid sterilizing apparatus includes: a cylindrical inner pipe which has cutouts penetrating in a radial direction and an outlet pipe projecting in the radial direction; an outer pipe which has, between itself and the inner pipe, an annular space in communication with the cutouts and which houses the inner pipe; an inflow pipe which allows a fluid to flow into the outer pipe; an outflow pipe which is provided coaxially with the inflow pipe and which is connected with the outlet pipe to allow the fluid having passed through the annular space to flow out; and a light source which irradiates the fluid passing through the interior of the inner pipe with ultraviolet light via an ultraviolet light transmitting window.
A vehicle has a function of drawing a notification display on a road surface with light. In a case where a shift position of the vehicle is a P range and a switch for turning off the drawing is selected, it is permitted to turn off the light of the drawing of the notification display. As another condition, in a case where there is no approaching object around the vehicle when the vehicle moves rearward and the switch for turning off the drawing is selected, it is permitted to turn off the light of the drawing of the notification display.
B60Q 1/50 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
A vehicle lighting fixture comprising a housing, an outer lens attached to the housing and forming a first space between the outer lens and the housing, and a lighting-fixture unit arranged in the first space, wherein the outer lens includes a light-transmitting part through which light emitted from the lighting-fixture unit passes and a recess arranged below the light-transmitting part, wherein the vehicle lighting fixture further comprising: a radar cover arranged in a state of covering the recess and forming a second space between the radar cover and the recess; a bracket arranged in the second space; a radar unit arranged in the second space in a state of detachably being fixed to the bracket; a first fixing part fixing one end of the bracket to the outer lens, and a second fixing part fixing the other end of the bracket to the housing.
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
F21S 41/20 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
B60Q 1/04 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
10.
SEMICONDUCTOR LIGHT EMITTING DEVICE AND SUPPORTING SUBSTRATE FOR SEMICONDUCTOR LIGHT EMITTING ELEMENTS
A semiconductor light emitting device includes a semiconductor light emitting laminate, and an SOI substrate including an upper semiconductor layer, an interlayer insulating film, and a lower semiconductor layer. The SOI substrate includes a first wiring electrode provided on the upper semiconductor layer through an insulating film and corresponding to a p-electrode, a second wiring electrode connected to the upper semiconductor layer and corresponding to an n-electrode, an anode that is provided on the lower semiconductor layer and connected to a first wiring electrode by a first via electrode passing through the SOI substrate, a cathode that is provided on the lower semiconductor layer through an insulating film and connected to the upper semiconductor layer by a second via electrode reaching the upper semiconductor layer. The p-electrode and the n-electrode are respectively bonded to the first wiring electrode and the second wiring electrode.
A projection lens has first-lens-body including first incidence part located in an area facing first light source and emission part located on a side opposite to the first incidence part, and second-lens-body including second incidence part located in an area facing second light source and third incidence part located between the first incidence part and the second incidence part, and has structure in which the first-lens-body and the second-lens-body abut against each other while first boundary surfaces and second boundary surfaces are interposed between the first-lens-body and the second-lens-body, the first boundary surfaces being provided between the emission part and the third incidence part, and the second boundary surfaces extending from boundary-line with respect to the first boundary surface until the first incidence part and the third incidence part, and the first boundary surfaces and the second boundary surfaces are disposed at acute angle while having the boundary-line disposed therebetween.
A piezoelectric element includes: a Pt film for a lower electrode provided on a plane of a Si substrate; a PZT film provided on the Pt film; and a Pt film for an upper electrode provided on the PZT film. The PZT film includes a perpendicularly oriented part having a c-axis in a direction perpendicular to the Pt film, and an obliquely oriented part having a c-axis inclined with respect to the c-axis of the perpendicularly oriented part. The c-axis distribution of the obliquely oriented part is discrete with respect to the c-axis distribution of the perpendicularly oriented part.
H10N 30/079 - Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing using intermediate layers, e.g. for growth control
An object of the present invention is to provide an ultraviolet semiconductor light-emitting element that allows a user to easily confirm whether or not it is driven to emit the deep ultraviolet light. An ultraviolet semiconductor light-emitting element according to the present invention includes a single crystal AlN substrate, an n-type AlGaN layer, an active layer, and a p-type AlGaN layer. The n-type AlGaN layer is formed on the single crystal AlN substrate. The active layer is formed on the n-type AlGaN layer. The active layer has a light emission peak wavelength of 250 nm or more and 280 nm or less. The p-type AlGaN layer is formed on the active layer. The C concentration in the single crystal AlN substrate is 3×1017 atoms/cm3 or more.
H01L 33/32 - Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
H01L 33/02 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies
H01L 33/16 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a particular crystal structure or orientation, e.g. polycrystalline, amorphous or porous
A semiconductor light-emitting device includes a translucent substrate, a row of light-emitting elements on the substrate, an insulating layer, and first and second electrode pads. Each light-emitting element includes a first semiconductor layer of a first conductivity type formed on the substrate, a light-emitting layer formed on the first semiconductor layer, a second semiconductor layer of opposite conductivity type formed on the light-emitting layer, a first electrode on the first semiconductor layer, and a second electrode on the second semiconductor layer. The insulating layer covers the light-emitting elements so as to form a first opening and a second opening. The first opening exposes the first electrode of the light-emitting element in one end side of the row of light-emitting elements. The second opening exposes the second electrode of the light-emitting element in another end side of the row of light-emitting elements. The first electrode pad covers the first opening and is formed from the first opening over one region on the insulating layer, and is electrically connected to the first electrode. The second electrode pad covers the second opening and is formed from the second opening over another region spaced from the one region on the insulating layer, and is electrically connected to the second electrode.
H01L 27/15 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
In a vehicular lamp, a polarization rotation element is disposed only in an optical path of second light from a second reflector toward a PBS, first light and the second light condensed toward a liquid crystal element are condensed at a first condensing point in common, the liquid crystal element is located at the first condensing point, the second light reflected by the PBS is condensed at a second condensing point deviated from the optical path of the light from a first reflector toward the PBS and the optical path of the second light from the second reflector toward the PBS.
F21S 41/64 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
A semiconductor light emitting device includes: a light emitting element assembly including a semiconductor light emitting element including a support substrate and a light emitting semiconductor layer provided on the support substrate, and a light guide member adhered to the semiconductor light emitting element by an element adhesive layer; and a first coating film adhered to a side surface of the light emitting element assembly by a side wall adhesive layer and formed of an inorganic material, which is a light reflector configured to cover the side surface.
A method of manufacturing a surface-emitting laser, includes (a) forming a first semiconductor layer including a photonic-crystal (PC) layer, (b) growing, on the first semiconductor layer, an active layer and a second semiconductor layer, (c) performing spectrometry in which a thickness from a surface of the second semiconductor layer to a position where the spectrometry light is reflected by the PC layer is measured, (d) forming a translucent electrode having a thickness calculated based on an optical path length corresponding to the thickness obtained by the spectrometry on the second semiconductor layer, and (e) forming a reflection layer on the translucent electrode, in which the layer thickness of the translucent electrode is determined such that a light intensity of interference light of (i) direct diffracted light radiated from the PC layer and (ii) reflected diffracted light radiated from the PC layer and reflected by the reflection layer is larger than a light intensity of the direct diffracted light.
A method for manufacturing Group-III nitride semiconductor nanoparticles includes synthesizing Group-III nitride semiconductor nanoparticles having a particle size of 16 nm or less by reacting materials containing one or more Group-III elements M in a liquid phase, wherein a coordination solvent is used, and trimethyl M is used as at least one Group-III element material among the materials containing one or more Group-III elements M.
H01L 29/20 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
C01B 21/072 - Binary compounds of nitrogen with metals, with silicon, or with boron with aluminium
19.
LIGHT GUIDE PLATE, LIGHTING APPARATUS, AND DISPLAY APPARATUS
To provide a light guide plate with reduced luminance unevenness. The light guide plate includes: a base portion having a one surface and a light incident surface disposed on one end side of the one surface and intersecting the one surface, and a plurality of convex lenses provided on a side facing the one surface of the base portion, each of the plurality of convex lenses extending in a first direction and aligned along a second direction which is substantially orthogonal to the first direction, where the base portion includes at least a first region relatively close to the light incident surface and a second region relatively far from the light incident surface, and where the first region is provided with a plurality of first bottom portions that are surfaces disposed between the convex lenses adjacent to each other in the second direction and inclined with respect to the first direction.
A semiconductor light emitting device includes: a light emitting element assembly including a semiconductor light emitting element including a support substrate and a light emitting semiconductor layer provided on the support substrate, and a light guide member adhered to the semiconductor light emitting element by an adhesive layer; and a first coating film formed of an inorganic material, which is a light reflector configured to cover a side surface of the light emitting element assembly.
H01L 23/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details of semiconductor or other solid state devices
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/56 - Materials, e.g. epoxy or silicone resin
A lighting tool for a vehicle includes light source and light guide body that guides light emitted from the light source, and the light guide body has first light guide portion disposed in front of the light source, second light guide portion that is branched off from the first light guide portion and that extends so as to go around toward a side of the light source, incidence portion that is located on a back surface side of the first light guide portion and that is configured to cause the light emitted from the light source to enter the inside of the first light guide portion, and side emitting portion that is located on a side of the first light guide portion facing the second light guide portion and that is configured to emit some of the light entered from the incidence portion toward the second light guide portion.
Provided is a lamp device including: a housing, which is a part to be attached to a vehicle; a lamp unit; a radar unit having an antenna which transmits a radar wave and receives a reflection wave from an object; a light-transmissive cover which is attached to cover a front surface of the housing so as to accommodate therein the lamp unit and the radar unit, and through which the radar wave passes; and a radio wave absorption section provided on a surface of the housing that faces the light-transmissive cover or on a surface on the opposite side therefrom.
G01S 13/931 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
H01Q 1/32 - Adaptation for use in or on road or rail vehicles
An electrochemical device includes an electrolyte layer containing an electrodepositable material including Ag and a mediating material including any of Ta, Mo, and Nb, a pair of substrates to hold the electrolyte layer therebetween, and a pair of electrodes that are disposed on the mutually opposed surfaces of the respective substrates and are insoluble in the electrolyte layer.
G02F 1/1506 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect based on electrodeposition, e.g. electrolytic deposition of an inorganic material on or close to an electrode
G02F 1/00 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
G02F 1/1514 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
24.
SURFACE-EMITTING LASER DEVICE AND METHOD FOR MANUFACTURING SURFACE-EMITTING LASER DEVICE
A method for manufacturing a GaN-based surface-emitting laser by an MOVPE includes: growing a first cladding layer with a {0001} growth plane; growing a guide layer on the first cladding layer; forming holes which are two-dimensionally periodically arranged within the guide layer; etching the guide layer by ICP-RIE using a chlorine-based gas and an argon; supplying a gas containing a nitrogen to cause mass-transport, and then supplying the group-III gas for growth, whereby a first embedding layer closing openings of the holes is formed to form a photonic crystal layer; and growing an active layer and a second cladding layer on the first embedding layer, The step includes a step of referring to already-obtained data on a relationship of an attraction voltage and a ratio of gases in the ICP-RIE with a diameter distribution of air holes embedded, and applying the attraction voltage and the ratio to the ICP-RIE.
H01S 5/11 - Comprising a photonic bandgap structure
H01S 5/343 - Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser
H01S 5/185 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL]
H01S 5/32 - Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- hetero-structures
25.
PHOTONIC CRYSTAL SURFACE LIGHT-EMITTING LASER ELEMENT
A photonic-crystal surface-emitting laser element includes: a first semiconductor layer formed by embedding a photonic crystal layer that includes air holes arranged with two-dimensional periodicity in a formation region in a plane parallel to the photonic crystal layer; an active layer formed on the first semiconductor layer; a second semiconductor layer formed on the active layer; and a mesa portion with a mesa shape formed at a surface of the second semiconductor layer, wherein the mesa portion is located inside the formation region of the air holes when viewed in a direction perpendicular to the photonic crystal layer.
H01S 5/183 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
H01S 5/11 - Comprising a photonic bandgap structure
H01S 5/343 - Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser
26.
CUBIC CRYSTAL ALKALI METAL MANGANATE NANOPARTICLE PRODUCTION METHOD AND CUBIC CRYSTAL LIMNO2 NANOPARTICLES PRODUCED USING SAME
A LiMnO2 production method includes generating cubic crystal LiMnO2 nanoparticles by adding an organic solvent, manganese oxide nanoparticles, and lithium amide in a reaction vessel and heating in an inert atmosphere. and a washing and recovering the generated particles. Wurtzite type MnO nanoparticles are preferably used as the manganese oxide. As a result, LiMnO2 nanoparticles that have a substantially similar particle size to wurtzite type MnO nanoparticles can be obtained from an Mn raw material. Nanoparticles having a hollow structure can be obtained by controlling the reaction temperature.
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
27.
LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING LIGHT-EMITTING DEVICE
A light-emitting device includes a plurality of plate-shaped base materials, an insulating coating film, and at least one light-emitting element. The base materials are arranged side by side to be mutually spaced. The insulating coating film is formed to cover an upper surface and a side surface of each of the plurality of base materials. The coating film is provided with an opening portion that exposes one region of the upper surface of one base material and includes a binding portion mutually binding the plurality of base materials. The at least one light-emitting element is placed on the one region. The coating film includes a thin film portion in which the coating film is formed in a thin film to surround an outer peripheral end of the opening portion.
H01L 33/48 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor body packages
H01L 33/44 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the coatings, e.g. passivation layer or anti-reflective coating
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
28.
SEMICONDUCTOR LIGHT-EMITTING DEVICE, AND WATER DISINFECTION DEVICE
A semiconductor light-emitting device includes a first bonding pattern made of metal that is formed on a substrate, and a second bonding pattern provided in a base portion and a flange portion of a dome-shaped transparent body. The first and second bonding patterns are bonded to each other via solder, to seal a space in a convex lid portion. The first and second bonding patterns have rectangular ring shapes that surround the semiconductor light-emitting element when viewed from above, at least edges on inner peripheral sides of corner portions thereof are positioned on outer sides of outer peripheral edges of an annular base portion of the convex lid portion, and edges on inner peripheral sides of straight-line portions sandwiched between the corner portions are positioned closer to the semiconductor light-emitting element than the outer peripheral edge of the annular base portion of the convex lid portion.
A semiconductor light emitting device 10 includes: a resin frame 11 having an opening 20; a lead frame 12 having leads 12a and 12b exposed in the opening 20; and an LED 28 placed in the opening 20 and connected to the leads 12a and 12b. Standing parts 18a are erected on an upper surface 23a of the lead 12a. The standing parts 18a are embedded in the resin of the frame 11.
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
H01L 25/16 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices the devices being of types provided for in two or more different main groups of groups , or in a single subclass of , , e.g. forming hybrid circuits
An image display system includes a projector that is mounted on a target vehicle and projects an image onto a road surface around the target vehicle, and an image controller that causes the projector to project a support image onto the road surface around the target vehicle when another vehicle traveling behind the target vehicle starts an operation of overtaking the target vehicle, and the support image includes at least one of an image showing a no-entry area which the other vehicle is prohibited from entering and an image showing a passage area through which the other vehicle is to pass during the overtaking operation.
B60Q 1/50 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
G09G 3/00 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
An optical scanning device includes an optical deflector, a driving unit, and a detection unit. The optical deflector has a mirror part and an H actuator. The driving unit supplies both of a first driving voltage and a second driving voltage to a first set of piezoelectric divided sections and a second set of piezoelectric divided sections of the H actuator during a first driving period, and supplies the driving voltage only to one set out of the first set and the second set of piezoelectric divided sections during a second driving period. The detection unit detects a deflection angle γ based on the output voltage of the other set of piezoelectric divided sections during the second driving period.
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
A vehicular drawing device is installed in the vehicle and draws, using light, an indication display with a predetermined shape on a road surface in a direction of travel of the vehicle. The indication display includes a start-traveling display drawn at a time of starting traveling and a turn indication display drawn when a turn indicator switch is turned on and the direction of travel is changed. The turn indication display is drawn with priority over the start-traveling display when the turn indicator switch is on at the time of starting traveling.
B60Q 1/34 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
A vehicular lamp fitting and the like capable of preventing (or suppressing) vibrations of a radar unit (and as a result, capable of preventing the detection area of the radar unit from being significantly changed) are provided. A vehicular lamp fitting includes: a lamp housing; an outer lens attached to the lamp housing, the outer lens including a recessed part and forming a first space between the outer lens and the lamp housing; a lamp unit disposed in the first space; a radar cover disposed while covering the recessed part, and forming a second space between the radar cover and the recessed part; a bracket disposed in the second space; a radar unit detachably fixed to the bracket; and a first fixing part fixing one end of the bracket to the outer lens; and a second fixing part fixing the other end of the bracket to the lamp housing.
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
B60Q 1/04 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
G01S 13/931 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
34.
VEHICULAR LAMP FITTING, RADAR-COVER REMOVING METHOD, AND RADAR-COVER ATTACHING METHOD
A vehicular lamp fitting and the like capable of preventing the distance between a radar unit and the radar cover from changing are provided. A vehicular lamp fitting includes: a lamp housing; an outer lens attached to the lamp housing while covering an opening of the lamp housing, and forming a first space between the outer lens and the lamp housing; a lamp unit disposed in the first space; a radar housing; a radar cover attached to the radar housing while covering an opening of the radar housing, and forming a second space between the radar cover and the radar housing; a radar unit disposed in the second space; a first fixing part fixing the radar unit to the radar housing; and a second fixing part fixing the radar cover to the radar housing.
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
G01S 13/931 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles
F21S 41/20 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
A vehicular lamp fitting includes: a structure including a lamp housing and an outer lens attached to the lamp housing and forming a first space between the outer lens and the lamp housing; a lamp unit disposed in the first space; and the outer lens includes a recess recessed toward the lamp housing; wherein the vehicular lamp fitting further comprises: a radar cover that is detachably fixed to the structure in a state of covering the recess, and forms a second space between the radar cover and the recess; a bracket including one end detachably fixed to the structure, its opposite other end detachably fixed to the structure, and a bracket body provided between the one end and the other end and disposed in the second space; and a radar unit disposed in the second space in a state of detachably being fixed to the bracket body.
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
F21S 41/20 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
A surface-emitting laser element includes: a first guide layer including a photonic crystal layer that is formed on a c plane of a group-3 nitride semiconductor and includes air holes arranged with two-dimensional periodicity in a plane parallel to the photonic crystal layer, and an embedding layer that is formed on the photonic crystal layer and closes the air holes; an active layer formed on the first guide layer; and a second guide layer formed on the active layer, wherein an air hole set including at least a main air hole and a sub-air hole smaller in size than the main air hole is arranged at each square lattice point in the plane parallel to the photonic crystal layer, and wherein the main air hole has a regular-hexagonal prism shape, a long-hexagonal prism shape, or an elliptic cylindrical shape with a major axis parallel to a <11-20> axis.
H01S 5/183 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
H01S 5/343 - Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser
H01S 5/11 - Comprising a photonic bandgap structure
A vehicular lamp fitting and the like in which a radar unit can be replaced without replacing the whole vehicular lamp fitting are provided. A vehicular lamp fitting includes a lamp housing, an outer lens attached to the lamp housing and forming a lamp chamber between the outer lens and the lamp housing, a lamp unit disposed in the lamp chamber, a bracket, and a radar unit detachably fixed to the bracket.
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
G01S 13/931 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
An illuminator apparatus can include: an optical source a collimator lens located on an optical axis of the optical source, for receiving emitted light from the optical source to emit collimated light; and a diffusion lens, located on an emitting surface side of the collimator lens, for receiving the collimated light to diffuse the collimated light. The diffusion lens can be provided with a diffusion section for diffusing central light of the collimated light emitted from a central portion of an emitting surface of the collimator lens and a non-diffusion section for transmitting peripheral light of the collimated light emitted from an outside of the central portion of the emitting surface of the collimator lens, without diffusing the peripheral light.
F21V 5/04 - Refractors for light sources of lens shape
F21Y 105/16 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
An optical scanning device includes a control unit, a light deflector, light detection units, and a light source. A mirror unit of the light deflector has a flat reflection part for generating scanning light and a groove-shaped reflection part for generating twice reflected light, and performs reciprocating rotation about a rotation axis. The light detection units are disposed at positions on the scanning trajectory of the scanning light where the twice reflected light is received, and are each divided into light detectors in the scanning direction of the scanning light by a division line. The control unit detects the deflection angle θ of the mirror unit based on both the output of the light detector and the output of the light detector.
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 26/12 - Scanning systems using multifaceted mirrors
A projection lens has a first lens body including a first incidence section located at a side facing a first light source and an emission section located at a side opposite to the first incidence section, and a second lens body including a second incidence section located at a side facing the second light source, a refractive index of the second lens body is smaller than a refractive index of the first lens body, and a structure in which the first lens body and the second lens body abut each other while having first boundary surfaces, which are provided between the emission section and the second incidence section, and second boundary surfaces, which are provided between the first incidence section and the second incidence section from a boundary line with respect to the first boundary surfaces, interposed therebetween is provided.
F21S 41/265 - Composite lenses; Lenses with a patch-like shape
F21S 41/663 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
F21W 102/135 - Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
41.
Optical device, and method of fabricating optical device
An optical device includes a metal reflective layer substantially made of a metal material, a first light transmissive layer disposed on the metal reflective layer, an optical multilayer reflective film disposed on the first light transmissive layer and including a plurality of sublayers stacked on each other and having different refractive indexes, and a wavelength converting layer disposed on the optical multilayer reflective film and containing a fluorescent material capable of absorbing incident excitation light and generating fluorescent light having a lower energy. The wavelength converting layer is capable of generating mixed light containing the excitation light and the fluorescent light in response to irradiation with the excitation light.
F21V 7/30 - Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings the coatings comprising photoluminescent substances
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
F21V 9/35 - Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material at focal points, e.g. of refractors, lenses, reflectors or arrays of light sources
A lighting device includes a laser light source configured to emit a laser beam, a wavelength conversion member including a laser beam irradiation region to which the laser beam is radiated and configured to emit a wavelength converted light excited by radiation of the laser beam, a laser beam scanning mechanism configured to form a light distribution pattern according to a scanning range of the laser beam by scanning the laser beam radiated to the laser beam irradiation region, and a projection lens configured to project illumination light that forms a light distribution pattern forward, and an incidence angle of the laser beam, which is scanned by the laser beam scanning mechanism, with respect to the wavelength conversion member is set to an angle where the laser beam does not directly enter the projection lens when the wavelength conversion member is damaged, chipped or fallen off.
F21S 41/176 - Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
F21S 41/675 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
F21V 14/04 - Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
F21V 9/30 - Elements containing photoluminescent material distinct from or spaced from the light source
In an illumination device, an incidence angle of a laser beam, which is scanned by a laser beam scanning mechanism, with respect to a wavelength conversion member is set to an angle where the laser beam does not directly enter a projection lens when the wavelength conversion member is damaged, chipped or fallen off, and a laser light source and the laser beam scanning mechanism are located at a position corresponding to at least one of an upper side and a lower side of a light distribution pattern with respect to the wavelength conversion member, and are disposed to be deviated to either one of one side corresponding to a left side of the light distribution pattern and other side corresponding to a right side of the light distribution pattern.
F21S 41/14 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
F21S 41/176 - Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
A vertical cavity light-emitting element includes a substrate, a first multilayer reflector, a semiconductor structure layer, an electrode layer, and a second multilayer reflector. The semiconductor structure layer includes a first semiconductor layer of a first conductivity type on the first multilayer reflector, a light-emitting layer on the first semiconductor layer, and a second semiconductor layer of a second conductivity type on the light-emitting layer. The electrode layer is on an upper surface of the semiconductor structure layer and is electrically in contact with the second semiconductor layer in one region of the upper surface. The second multilayer reflector covers the one region on the electrode layer and constitutes a resonator with the first multilayer reflector. The semiconductor structure layer has one recessed structure including one or a plurality of recessed portions passing through the light-emitting from the upper surface in a region surrounding the one region.
H01S 5/183 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
H01S 5/30 - Structure or shape of the active region; Materials used for the active region
A lamp device includes: a lamp unit; a radar unit having an antenna; and a shielding member which covers at least a part of the front surface of the radar unit where the antenna is provided and which is made of a foamed resin.
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
G01S 13/931 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles
H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
H01Q 1/32 - Adaptation for use in or on road or rail vehicles
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
46.
Light emitting unit, and lamp device having a radar device covered with light guide
A lamp device suppresses attenuation and reflection of a radar wave attributable to a light guide body, does not change an electromagnetic wave radiation pattern, and does not impair a radar function. The lamp device includes: a light guide body covering a part of an electromagnetic wave radiation surface of a radar device; and a light source, wherein, when the thickness of the light guide body is denoted by TG, and the wavelength of a radiated electromagnetic wave from the radar device in the light guide body is denoted by λd, TG is set such that TG<λd/2 is satisfied when the reflection loss of the light guide body with respect to the radiated electromagnetic wave is below a transmission loss, and a reflection loss is −10 dB or less when the reflection loss is equal to or more than a transmission loss.
A side-edge type surface light emitting apparatus includes: a light guide plate having a first light emitting surface, a light distribution controlling surface, and a light incident surface; a light source; an upper prism sheet disposed on the upper side of the light guide plate, the upper prism sheet having multiple first prisms on a lower side and a second light emitting surface on an upper side; and a first lower prism sheet disposed on the lower side of the light guide plate, the first lower prism sheet having multiple second prims on an upper side and a first flat surface on a lower side.
A vehicular lamp is provided capable of enabling an observer to visually recognize the first and the second light-emitting areas as if they are integrated (connected) with each other when emitting light regardless of viewpoint positions. The vehicular lamp includes: a first light-emitting area and a second light-emitting area adjacent to each other in a horizontal direction with a gap; a third light-emitting area observed through the gap; a gap light-emitting unit disposed behind the gap; and a light control unit disposed between the gap and the gap light-emitting unit. The gap light-emitting unit includes a front and upper view light-emitting units disposed therebelow. The upper view light-emitting unit and the light control unit each have a lower portion extending downward. The light control unit includes an optical element controlling light from the upper view light-emitting unit by a predetermined angle upward so that the light passes through the gap.
F21S 43/40 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
F21S 43/33 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors characterised by their material, surface treatment or coatings
F21S 43/20 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
A semiconductor light-emitting device includes: a substrate having a wiring electrode; a semiconductor light-emitting element mounted on the wiring electrode and having a light-emitting functional layer with an upper surface exposed; a wavelength conversion plate mounted on the light-emitting functional layer and being made of a sintered body including fluorescent material particles and binder particles; and an adhesive layer including a resin medium for adhering a light-incident surface of the wavelength conversion plate to a light output surface of the light-emitting functional layer, and resin particles dispersed in the resin medium. The light-incident surface can expose a sintered surface of the sintered body with a concave portion, and the resin particles are fitted in the concave portion and compressively deformed. The semiconductor light-emitting device is capable of reducing the heat generated from the wavelength conversion plate and of maintaining the high light output.
A light-emitting device includes a substrate provided with a first wiring and a second wiring, a first element including a first electrode pad, a second element including a second electrode pad, a first wire connecting the second wiring and the first electrode pad and including a first wire horizontal part that is level with respect to a top surface of the first element, a second wire connecting the second wiring and the second electrode pad and including a second wire horizontal part that is level with respect to the top surface of the first element, and a reflective resin exposing the top surface of the first element. The reflective resin has a bulged portion in a bulged dike shape such that a surface of the reflective resin is brought into contact with at least a part of the second wire horizontal part and extends along the second wire horizontal part.
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
A light deflector includes: a conductor layer formed as an integral layer on an SOI oxide film layer; a piezoelectric element having an upper electrode, a piezoelectric film, and a conductor layer serving as a lower electrode; an interlayer insulating film covering the conductor layer and the piezoelectric element from the surface side; a plurality of wirings formed on the surface of the interlayer insulating film in such a manner as to extend in the region of the surface of the interlayer insulating film under which the conductor layer exists; and a ground electrode connected to the conductor layer.
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
B81B 3/00 - Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
A vehicular lighting tool of the present invention includes light source and light guide lens, the light guide lens has introduction section into which light is introduced, light distribution section that emits introduced light as illumination light, decoration section that emits introduced light as decoration light, and slit section that separates introduction section and decoration section, and introduction section has light incidence surface into which light from light source enters, lens cut that emits portion of light from light source and that causes portion of light to enter decoration section via slit section, first inclined surface located closer to light distribution section than lens cut, second inclined surface that connects first inclined surface and decoration section, and reflection cut surface provided on surface opposite to slit section and that reflects portion of light entering from light incidence surface so as to advance along second inclined surface.
To avoid an adverse effect on the sensor by the heater. A controller for a heater installed in a vehicle lamp, where the controller detects a rising edge of a light emission period of a sensor light emitted from an object detection sensor built in the vehicle lamp, and starts supply of a drive voltage to the heater in accordance with the rising edge.
H05B 3/84 - Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
F21S 45/60 - Heating of lighting devices, e.g. for demisting
54.
VERTICAL CAVITY LIGHT-EMITTING ELEMENT AND MANUFACTURING METHOD OF THE SAME
A vertical cavity light-emitting element includes a substrate, a first multilayer film reflecting mirror, a semiconductor structure layer, an electrode, an electrode layer, and a second multilayer film reflecting mirror. The first multilayer film reflecting mirror is formed on the substrate. The semiconductor structure layer includes a nitride semiconductor. The nitride semiconductor includes a first semiconductor layer that is formed on the first multilayer film reflecting mirror and is a first conductivity type, a second semiconductor layer that is formed on the first semiconductor layer and is the first conductivity type, a light-emitting layer that is formed on the second semiconductor layer and is configured to expose a region including an outer edge of a top surface of the second semiconductor layer, and a third semiconductor layer that is formed on the light-emitting layer and is a second conductivity type opposite to the first conductivity type. The electrode is formed on the top surface of the second semiconductor layer. The electrode layer is electrically in contact with the third semiconductor layer in one region of a top surface of the third semiconductor layer. The second multilayer film reflecting mirror constitutes a resonator with the first multilayer film reflecting mirror. The second semiconductor layer has a larger resistance than the first semiconductor layer.
H01S 5/183 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
55.
WURTZITE-TYPE MANGANESE OXIDE PARTICLES AND METHOD FOR PRODUCING SAME
Single-phase manganese oxide particles having a wurtzite crystal structure. The particles can be obtained by thermally decomposing a compound containing manganese. In this procedure, a reducing agent consisting of at least one of a polyol-based material and an ethylene glycol stearate-based material is added as an additive to the reaction system. It is heated at a first temperature (200° C. or lower) under a reduced pressure atmosphere, then the temperature is raised, and the product is heated at a temperature higher than the first temperature under an inert gas atmosphere.
Provided is a vehicle signal light in which a person with protanopia (p-type color vision deficiency) can perceive whether or not the vehicle signal light, e.g., a stop lamp, a tail lamp, or the like, is turned on. The vehicle signal light includes a first light source configured to emit red light and a second light source configured to emit amber light. The first light source and the second light source are simultaneously turned on and are configured to emit light with a higher luminous intensity in response to a braking operation, and the emission intensity of the first light source is higher than that of the second light source.
F21S 43/249 - Light guides with two or more light sources being coupled into the light guide
F21S 43/20 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
F21S 43/30 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
A laminated film in which a heat-resistant base film and a metal foil are bonded using an adhesive is provided with a barrier layer that prevents chemicals from entering the adhesive layer, between the metal foil and the adhesive layer. The barrier layer is made of a heat-resistant resin similar to that of the base film and has a water absorption rate of 1% or less. The adhesive layer is a silicone-based resin and has a thickness of 40 μm or more after drying.
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
F21V 19/00 - Fastening of light sources or lamp holders
H01L 23/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details of semiconductor or other solid state devices
A vertical cavity surface emitting device includes a substrate, a first multilayer film reflecting mirror, a first semiconductor layer having a first conductivity type, a light-emitting layer, a second semiconductor layer having a second conductivity type opposite of the first conductivity type, and having an upper surface with a projection, an insulating layer that covers the upper surface of the second semiconductor layer and has an opening that exposes the second semiconductor layer on the upper surface of the projection terminated on the upper surface of the projection of the second semiconductor layer, a transmissive electrode layer that covers the upper surface of the second semiconductor layer exposed from the opening of the insulating layer and is formed on the insulating layer, and a second multilayer film reflecting mirror formed on the transmissive electrode layer and constituting a resonator together with the first multilayer film reflecting mirror.
H01S 5/183 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
A fluid sterilization device includes a cylindrical body of a housing having a flow passage through which fluid flows in an axial direction, an inflow port through which the fluid flows into the cylindrical body, an outflow port on the outer circumference of the cylindrical body, a light source provided on an end section on an opposite side to the inflow port, and a quartz cap including a cylindrical section and a leading end section. The quartz cap transmits, collects, or scatters ultraviolet light. The cylindrical section of the quartz cap is fitted to an inner wall of the cylindrical body, and a boundary section of the quartz cap is disposed a position coinciding with an end surface of the outflow port on a side close to the first light source or at a position where the boundary section protrudes beyond the end surface.
A light deflector 2 includes: a mirror section 9 that reflects light; a movable frame 8 provided in such a manner as to surround the mirror section 9; a pair of torsion bars 13a and 13b having one end of each torsion bar connected to the mirror section 9 and the other end thereof connected to the movable frame 8 on a Y-axis; and semi-annular piezoelectric actuators 10a and 10b that are provided on the movable frame 8 and rotate the torsion bars 13a and 13b around the Y-axis in a reciprocating manner. The torsion bars 13a and 13b each have a constricted shape in which the transverse width at both end parts is the largest and the transverse width gradually decreases toward the central part thereof in a length direction.
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 26/12 - Scanning systems using multifaceted mirrors
B81B 3/00 - Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
61.
LIGHTING CONTROLLER AND LIGHTING CONTROL METHOD FOR VEHICULAR LAMP, VEHICULAR LAMP SYSTEM
To reduce a sense of discomfort during sequential blinking. A lighting controller for a vehicular lamp to control lighting of the vehicular lamp, where the lighting controller is configured to carry out control of moving a bright spot within the light emitting region in a predetermined direction, the bright spot obtained by lighting on a partial region of a light emitting region of the vehicular lamp, and during that time, the bright spot is moved so as to partially overlap a first region which is a partial region corresponding to the bright spot during a first period and a second region which is a partial region corresponding to the bright spot during a second period which follows the first period.
B60Q 1/38 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction using immovably-mounted light sources, e.g. fixed flashing lamps
H05B 45/10 - Controlling the intensity of the light
A second light source, a second incidence section and a second reflecting section in a vehicle lamp are disposed closer to a light guide section than a first light source, a first incidence section and a first reflecting section, a stepped section is provided between the first reflecting section and the second reflecting section, and the first reflecting section is disposed at above the stepped section and the second reflecting section is disposed at below the stepped section when seen from a side of the first incidence section and a side of the second incidence section.
To reduce uneven brightness of light irradiated from a vehicle lighting system. The system includes a lamp unit and a control unit where the lamp unit includes: a light source that emits light; a liquid crystal element using the light emitted from the light source to form irradiation light; and a lens projecting the irradiation light; where the light from the light source enters the element at an angle including a direction inclined from the normal of a light incident surface of the element; where the light incident surface has a first region in which most light enters from a viewing direction of the element and a second region in which most light enters from other directions, and where the control unit drives the element by setting a first voltage of the first region to be low and setting a second voltage of the second region to be high.
F21S 41/64 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
B60Q 1/14 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
F21W 107/10 - Use or application of lighting devices on or in particular types of vehicles for land vehicles
64.
LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD OF THE SAME
A light-emitting device according to the present invention includes a resin substrate having a flat plate shape, a first wiring electrode made of metal, a second wiring electrode made of metal, a light-emitting element, and a resin body. The light-emitting element is mounted onto the electrode portions of the first wiring electrode and the second wiring electrode on the first principal surface side of the resin substrate. The resin body has a light reflection property, covers the first principal surface of the resin substrate, covers the respective wiring portions of the first wiring electrode and the second wiring electrode and forming a frame body surrounding the light-emitting element on the first principal surface, and covers a region exposed from the first wiring electrode and the second wiring electrode on the second principal surface of the resin substrate.
A lamp device has a base body to be installed to a vehicle; a lamp unit; a translucent cover that is installed to the base body, covering the front surface of the base body so as to accommodate the lamp unit therein, thereby defining a lamp body space, and has a recess in the front surface at a side position in a horizontal direction of the lamp unit; and a radar unit that has a radar sensor and a radar housing accommodating the radar sensor therein, and is inserted in the recess.
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
G01S 13/931 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles
66.
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME
A semiconductor light emitting device includes a plane substrate having a flat substrate surface, a semiconductor light emitting element mounted on the substrate surface, and a lens formed of a resin which embeds the semiconductor light emitting element and condenses light emitted from the semiconductor light emitting element. A circular ring-shaped metal ring body surrounding the semiconductor light emitting element, and a plurality of regulation holes arranged inside the metal ring body at positions rotationally symmetric with respect to the center of the metal ring body are provided on the substrate surface. A bottom of the lens is defined by the metal ring body and the regulation holes. A body part of the lens has a plurality of valley portions extending toward the top of the lens from the positions of the regulation holes. The top of the lens has a surface as a spheroid surface with an axis vertical to the substrate surface and passing through the center of the metal ring body as a major axis.
H01L 33/24 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate of the light emitting region, e.g. non-planar junction
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
67.
LIGHTING CONTROLLER FOR VEHICULAR LAMP, VEHICULAR LAMP SYSTEM
To reduce a sense of discomfort during sequential blinking. A lighting controller for a vehicular lamp to control lighting of the vehicular lamp, where the lighting controller is configured to control so that a light emitting region of the vehicular lamp is repeatedly lighted on and off with a first luminance and where, during the time when the light emitting region is lighted on, at a partial region of the light emitting region, one or more bright spots are set with a second luminance that is higher than the first luminance to be moved within the light emitting region, or during the time when the light emitting region is lighted on, at the partial region of the light emitting region, one or more dark spots are set with a third luminance that is lower than the first luminance to be moved within the light emitting region.
F21S 41/663 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
68.
SUBSTRATE STRUCTURE, LIGHT-EMITTING DEVICE, AND MANUFACTURING METHOD OF SUBSTRATE STRUCTURE
A light-emitting device of the present invention includes a plurality of substrates, an insulating portion, and an insulating upper surface coating film. The plurality of metal substrates are placed side by side to be separated from one another. The insulating portion is made of ceramic and fills the clearance. The insulating upper surface coating film is formed so as to integrally cover respective one substrate surfaces of the plurality of substrates and has an opening portion that spreads over the one substrate surface of one substrate among the plurality of substrates and the one substrate surface of another substrate adjacent to the one substrate across the clearance. The opening portion exposes an element placing region for placing an element.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/46 - Reflective coating, e.g. dielectric Bragg reflector
H01L 33/38 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the electrodes with a particular shape
A manufacturing method for an optical deflector, in which a piezoelectric film layer having a uniform film thickness is formed on a substrate layer, includes forming a cavity to open to a SiO2 layer side in a forming region of an outside piezoelectric actuator by etching an SOI wafer from the SiO2 layer side, covering an exposed surface of the cavity with a SiO2 layer, and joining the SiO2 layer of the SOI wafer and a support layer of an SOI wafer to manufacture an SOI wafer in which the cavity is enclosed. Next, after a recess is formed on a back side of the SOI wafer, anisotropic dry etching is carried out from the back side in a depth direction of the recess to remove the SiO2 layer.
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
H01L 41/332 - Shaping or machining of piezo-electric or electrostrictive bodies by etching, e.g. lithography
H01L 41/277 - Manufacturing multilayered piezo-electric or electrostrictive devices or parts thereof, e.g. by stacking piezo-electric bodies and electrodes by stacking bulk piezo-electric or electrostrictive bodies and electrodes
H01L 41/09 - Piezo-electric or electrostrictive elements with electrical input and mechanical output
A vehicle lamp includes a light source provided on one surface of a board and a light guide body that guides light emitted from the light source, the light guide body has an incidence section located on a side of the light guide body facing the one surface of the board, an emitting section located on a side opposite to the side facing the one surface of the board, and a light guide section located between the incidence section and the emitting section, and the light guide section has a portion that extends across inside and outside a region where the light guide body overlaps with the board when seen in a plan view, that extends at an outer side of the region, and that extends from one side toward the other side of the board in at least a thickness direction of the board.
F21S 41/148 - Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
A vehicular lamp fitting comprises: a decorative member; a first inner lens disposed on the front surface side of the decorative member; a light source disposed on the back surface side of the decorative member; a second inner lens disposed on the back surface side of the decorative member; the first inner lens includes a first light-entering surface, a first light-exiting surface, a first light guiding unit configured to guide light entering from the first light-entering surface, and a first reflection surface configured to reflect the light guided in the first light guiding unit to exit from the first light-exiting surface; the second inner lens includes a second light-entering surface arranged in a state facing the light source, a second light-exiting surface arranged in a state facing the first light-entering surface through a space, and a second light guiding unit.
A vertical cavity light-emitting element includes a first multilayer film reflecting mirror, a light transmissive first electrode, a first semiconductor layer having a first conductivity type, a light-emitting layer, a second semiconductor layer having a second conductivity type opposite to the first conductivity type, a second multilayer film reflecting mirror, and a semiconductor substrate. The second multilayer film reflecting mirror includes a plurality of semiconductor layers having the second conductivity type and constitutes a resonator together with the first multilayer film reflecting mirror. The semiconductor substrate is formed on the second multilayer film reflecting mirror, has an upper surface and a projecting portion projecting from the upper surface, and has the second conductivity type. A second electrode is formed on the upper surface of the semiconductor substrate.
H01S 5/183 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
A light-emitting device includes an ultraviolet light LED sealed in a package. The LED is bonded to a substrate with an alloy bonding material. The LED is covered with an enclosed gas containing oxygen gas and further covered with a lid member that is hermetically bonded to the substrate. The lid member defines a space filled with the enclosed gas and constitutes the package. The lid member transmits the ultraviolet light emitted from the LED.
F21K 9/66 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of globes or covers forming part of the light source
A light-emitting device includes a substrate, a frame body, a light-emitting element, a wavelength converter, and a light reflecting portion. The light-emitting element includes a semiconductor light-emitting layer on a support substrate. The wavelength converter is disposed on an upper surface of the light-emitting element. The light reflecting portion covers side surfaces of the light-emitting element and the wavelength converter and is formed of a translucent resin containing light reflective particulate fillers. The light reflecting portion includes a first region extending along an upper surface of the light reflecting portion, a second region that is disposed under the first region and has a content rate of the particulate fillers lower than a content rate of the first region, and a third region that is disposed under the second region and has a content rate of the particulate fillers lower than the content rate of the second region.
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
H01L 33/56 - Materials, e.g. epoxy or silicone resin
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
A vehicular lamp configured to radiate illumination light and measuring light toward a side in front of a vehicle includes a light source unit configured to emit visible light that becomes illumination light and measuring light, and the light source unit emits the illumination light and the measuring light while alternately switching the illumination light and the measuring light at a cycle in which at least the measuring light is not visually recognized by a driver.
F21S 41/14 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
F21S 41/176 - Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
A vehicle lamp has a light guiding body having a light guide section having a dimension in which a dimension in one direction perpendicular to an optical axis of the light emitted from the light source is smaller than a dimension in other direction perpendicular to the optical axis and the one direction, an incidence section that causes the light emitted from the light source to enter the light guide section, and an emission section that emits the light guided inside of the light guide section to outside of the light guide section, the shade has an opening section through which light that has entered the incidence section passes, and at a cross section in the one direction, the optical axis is located at a position offset toward one side in the one direction with respect to a central axis of the light guide section.
F21S 41/151 - Light emitting diodes [LED] arranged in one or more lines
F21S 41/43 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
A light deflector includes a mirror part, a pair of torsion bars, inside piezoelectric actuators, and a movable frame part. The crystal orientation in the axial direction of the torsion bars is set to <100>. In the joint edge portions of the torsion bars and the inside piezoelectric actuators, radius parts are oriented to <110> and each formed by a curved surface recessed inward. The amount of waviness about a roughness curve derived from the curved surface is set within 600 nm.
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
H02N 2/02 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners
H02N 2/00 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
78.
LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR
In a light emitting device, in a bottom surface of a cavity of a Si substrate, slit-shaped through holes and through electrodes that fill the through holes are provided at a position facing a first element electrode of a light emitting element. A length of an upper surface of the through electrode in a long axis direction is larger than a height of the through electrode in a thickness direction of the Si substrate. A joining layer having a shape corresponding to a shape of the upper surface of the through electrode is disposed between the first element electrode of the light emitting element and the upper surface of the through electrode facing the first element electrode. The entire upper surface of the through electrode is joined to the first element electrode via the joining layer.
A liquid crystal element includes a first substrate, a second substrate arranged to face the first substrate, a first pixel electrode corresponding to a first pixel region arranged on the first substrate on the second substrate side, a second pixel electrode corresponding to a second pixel region arranged on the first substrate on the second substrate side, a common electrode arranged on the first substrate side of the second substrate, and a liquid crystal layer arranged between a group of the first and second pixel electrodes and the common electrode, where the first pixel electrode and the second pixel electrode are provided on different layers on the first substrate, and their ends are arranged so as to partially overlap each other in a plan view.
F21S 41/64 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
An electrochemical device includes a first substrate and a second substrate disposed face-to-face and each including an opposing electrode disposed on an opposing surface, and an electrolytic solution provided between the first substrate and the second substrate containing a solvent, a supporting electrolyte, a mediator, and an electrodeposition material containing Ag wherein the mediator contains one or more of Mo, Sn, Nb, Sb, and Ti.
G02F 1/1506 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect based on electrodeposition, e.g. electrolytic deposition of an inorganic material on or close to an electrode
G02F 1/1523 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
A vehicle lamp includes a plurality of light source modules that includes light sources including a plurality of light emitting elements that emit different colors of light and lens bodies disposed in front of the light sources, and the plurality of light source modules are disposed in a matrix manner in a plane to constitute at least one light emitting area.
F21S 43/20 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
G09F 13/04 - Signs, boards, or panels, illuminated from behind the insignia
F21Y 113/13 - Combination of light sources of different colours comprising an assembly of point-like light sources
F21Y 105/14 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
F21Y 105/16 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
F21Y 113/10 - Combination of light sources of different colours
F21Y 113/17 - Combination of light sources of different colours comprising an assembly of point-like light sources forming a single encapsulated light source
F21Y 105/12 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
B60Q 1/38 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction using immovably-mounted light sources, e.g. fixed flashing lamps
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
A vehicle lamp includes a light emitting unit having a light source and a light guide lens, the light guide lens has an incidence section from which light emitted from the light source enters inside of the light guide lens, and an emission section from which the light entered inside of the light guide lens from the incidence section is emitted to an outside, the incidence section has a plurality of stepped portions which are radially arranged about an optical axis of a light emitted from the light source and which are inclined toward an advancing direction of the light, and the stepped portions have a form in which incidence surfaces, from which a light radially emitted from the light source enters inside of the light guide lens while parallelizing the entered light, and connecting surfaces, which are adjacent to the incidence surfaces, are alternately arranged in a radial direction.
A light-emitting device includes: a semiconductor light-emitting element; a substrate having a mount portion for the light-emitting element and a frame portion that is provided to stand on an outer peripheral part of the mount portion and has, on a top surface thereof, a substrate joint surface to which an annular substrate metal layer is fixed; and a light-transmitting cap made of glass and having a window portion that allows light emitted from the light-emitting element to pass through and a cap joint surface to which an annular cap metal layer of a size corresponding to the substrate metal layer is fixed, the cap joint surface being joined to the substrate metal layer by a joint layer to seal the light-transmitting cap to the substrate, wherein the top surface of the frame portion is inclined to decrease in height from an outer peripheral part toward an inner peripheral part of the frame portion.
A light emitting device includes a semiconductor light emitting element which emits excitation light having a peak wavelength in a range of 440 to 450 nm and a fluorescent body layer which is provided on the semiconductor light emitting element, is excited by the excitation light from the semiconductor light emitting element, and contains a first fluorescent body and a second fluorescent body which emit first fluorescent light and second fluorescent light. The first fluorescent light has a peak wavelength in a range of 540 to 575 nm, and the second fluorescent light has a peak wavelength in a range of 590 to 605 nm. In mixed color light of the radiation light, the intensity of the radiation light of the semiconductor light emitting element is 1/10 to 1/60 of the intensity of the combined light of the radiation light from the first fluorescent body and the second fluorescent body.
A vertical cavity surface emitting device includes a substrate, a first multilayer film reflecting mirror, a light-emitting structure layer with a light-emitting layer, and a second multilayer film reflecting mirror. The second multilayer film reflecting mirror constitutes a resonator between the first and second multilayer film reflecting mirrors. The second multilayer film reflecting mirror includes a first multilayer film, an intermediate film, and a second multilayer film. The first and second multilayer films have low refractive index films and high refractive index films that are alternately stacked. The intermediate film covers an upper surface of the first multilayer film and film has a translucency to a light emitted from the light-emitting layer. The second multilayer film partially covers an upper surface of the intermediate film. The intermediate film has a film thickness based on ½ of a wavelength inside the intermediate film of light emitted from the light-emitting layer.
H01S 5/183 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
An optical element according to some embodiments includes: a plurality of lower electrodes spread on a surface of a lower substrate and including first and second lower electrodes arranged adjacent in a first direction in the lower substrate plane; a plurality of upper electrodes spread on a surface of an upper substrate and including a first upper electrode that faces the first lower electrode and a second upper electrode that faces a portion of the first lower electrode and the second lower electrode; and a conductive member that is sandwiched between and electrically connects the first lower electrode and the second upper electrode, the conductive member being selectively disposed in an overlap region in which the first lower electrode and the second upper electrode overlap when the first lower electrode and the second upper electrode are projected on a virtual plane parallel to the lower substrate or the upper substrate.
G02F 1/1506 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect based on electrodeposition, e.g. electrolytic deposition of an inorganic material on or close to an electrode
G02F 1/1516 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising organic material
G02F 1/1503 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions
A vertical cavity surface emitting device includes a substrate, a first multilayer film reflecting mirror formed on the substrate, a light-emitting structure layer formed on the first multilayer film reflecting mirror, the light-emitting structure layer including a light-emitting layer; and a second multilayer film reflecting mirror formed on the light-emitting structure layer, the second multilayer film reflecting mirror constituting a resonator between the first multilayer film reflecting mirror and the second multilayer film reflecting mirror. The light-emitting structure layer has a high resistance region and a low resistance region having an electrical resistance lower than an electrical resistance of the high resistance region. The low resistance region has a plurality of partial regions arranged into a ring shape while being separated by the high resistance region in a plane of the light-emitting structure layer.
H01S 5/183 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
H01S 5/343 - Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser
H01S 5/30 - Structure or shape of the active region; Materials used for the active region
H01S 5/34 - Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
88.
Vehicular lighting fixture with leveling mechanism
A vehicular lighting fixture is provided which includes a combination of an aiming mechanism and a leveling mechanism that can reduce deformation of an aiming/leveling bracket. A vertical aiming mechanism and a leveling mechanism include an aiming/leveling bracket that is integrally molded with a resin. A rectangular recess is formed in the aiming/leveling bracket so as to accommodate an aiming nut serving as a point of load for the vertical aiming and an actuator output shaft serving as a point of effort. The rectangular recess is located on or near the central axis of the aiming nut where the central axis substantially coincides with the front-rear direction of a vehicle.
B60Q 1/068 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by mechanical means
B60Q 1/076 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by electric means
A function member is disposed between a second lens cover and a second lighting unit so as to overlap the third light emitting area when seen in a front view, and the function member has a function of, when the light emitting surface is seen in a front view, transmitting through light emitted in the third light emitting area, and a function of, when the light emitting surface is seen from a view from diagonally above, blocking light emitted above than a first light emitting area and a second light emitting area among the light emitted in the third light emitting area, and transmitting through light emitted between the first light emitting area and the second light emitting area among the light emitted in the third light emitting area.
F21S 43/20 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
F21S 43/236 - Light guides characterised by the shape of the light guide
90.
METHOD OF MANUFACTURING A S/N RATIO IMPROVED PHOTO-DETECTION DEVICE
A method for manufacturing a photo-detection device includes mounting a photo semiconductor element on a substrate; potting first transparent resin on the photo semiconductor element; thermosetting the first transparent resin to form a first resin layer; and potting second transparent resin including optical-shielding fillers on the first resin layer. The second transparent resin slides down from the first resin layer to form a second resin layer to cover a sidewall of the photo semiconductor element and at least a part of a sidewall of the first resin layer. The optical-shielding fillers within the second resin layer drop down due to gravity, and the second resin layer is thermoset after the dropping down, so that the second resin layer is divided into a filler-including resin section including the optical-shielding fillers covering the sidewall of the photo semiconductor element and a filler-excluding resin section excluding the optical-shielding fillers covering at least of the part of the first resin layer.
zN (0≤x, y, z≤1) incorporating two crystal structures; a wurtzite structure and a zincblende structure, in a single particle. As another example, the group-III nitride nanoparticle has a core-shell structure with a core and a shell, in which the particle constituting the core contains two crystal structures; the wurtzite structure and the zincblende structure, in the particle. Nanoparticles containing the two crystal structures can be produced by using a phosphorus-containing solvent as a reaction solvent, and the mixture ratio of the two crystal structures, (wurtzite structure)/(zincblende structure), is 20/80 or higher.
To suitably irradiate with a high beam according to a situation in front of the own vehicle. A vehicle headlight system installed in an own vehicle provided with an automatic brake controller which automatically activates a brake system depending on a situation, including: a lamp unit which irradiates at least with a low beam and a high beam; and a controller which is connected to the automatic brake controller and the lamp unit and is configured to control the operation of the lamp unit; where, when the lamp unit is not performing irradiation of the high beam, the controller is configured to control the lamp unit to irradiate with the high beam in the situation in which state of the automatic brake controller transitions from a standby state to a state which activates the brake system to a hard braking or to a preparation state thereof.
B60Q 1/14 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
B60T 7/12 - Brake-action initiating means for initiation not subject to will of driver or passenger
To promptly detect a failure of a light source. A vehicle headlight system includes a plurality of light sources, a power supply supplying a drive voltage to the light sources, a controller individually controlling a lit/off state of each light source, and a failure detection circuit connected to the controller and detects a failure of the light sources, where, in response to a start of the vehicle, the controller executes a control operation in which all light sources are controlled from the off state to the lit state and then the light sources are controlled to the off state sequentially and individually, and where, while the control operation is executed, at least during the period of transition from the off state to the lit state of each light source, the controller acquires failure detection result and generates a warning signal when the failure is detected.
H05B 47/20 - Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection
B60Q 1/04 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
B60Q 11/00 - Arrangement of monitoring devices for devices provided for in groups
A semiconductor light emitting device has: a semiconductor light emitting element; a substrate on which the semiconductor light emitting element is mounted and which includes a substrate bonding surface to which a substrate metal layer having an annular shape is fixed; and a light transmitting cap including a window portion containing glass and transmitting radiation light of the semiconductor light emitting element and a flange having a bottom surface to which an annular flange fixation layer having a size corresponding to the substrate metal layer is fixed, and sealed and bonded to the substrate with a space housing the semiconductor light emitting element by bonding of the flange fixation layer to the substrate metal layer. The flange fixation layer contains a ceramic layer welded to the flange and a metal layer formed on the ceramic layer.
A projection lens has a first lens body including a first incidence section disposed at a side facing a first light source and a first emitting section disposed at a side opposite to the first incidence section, and a second lens body including a second incidence section disposed at a side facing a second light source and a second emitting section disposed at a side opposite to the second incidence section, a structure in which the first lens body and the second lens body abut against each other via an intermediate layer which is interposed between facing boundary surfaces of the first lens body and the second lens body is provided, and a refractive index of the intermediate layer is smaller than a refractive index of the first lens body.
F21S 41/43 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
F21V 5/04 - Refractors for light sources of lens shape
A projection lens has a first lens body including a first incidence section disposed at a side facing a first light source and an emitting section disposed at a side opposite to the first incidence section, and a second lens body including a second incidence section disposed at a side facing a second light source, a structure in which the first lens body and the second lens body abut against each other in between first boundary surfaces, which are provided between the emitting section and the second incidence section, and second boundary surfaces, which are provided between the first incidence section and the second incidence section from a boundary line with respect to the first boundary surfaces is provided, and the first boundary surfaces and the second boundary surfaces are disposed at an acute angle including the boundary line therebetween.
F21S 41/143 - Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
F21W 102/135 - Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
A semiconductor light emitting device has: a semiconductor light emitting element; a substrate on which the semiconductor light emitting element is mounted and which includes a substrate bonding surface to which a substrate metal layer having an annular shape is fixed; and a light transmitting cap including a window portion containing glass and transmitting radiation light of the semiconductor light emitting element and a flange having a flange bonding surface to which an annular flange metal layer having a size corresponding to the substrate metal layer is fixed, and sealed and bonded to the substrate with a space housing the semiconductor light emitting element. The flange metal layer contains a first metal layer fixed to the flange and having a difference in the coefficient of linear thermal expansion from the flange within 1×10−6·K−1 and a second metal layer formed on the first metal layer.
Provided is an optical scanning device capable of preventing abnormal vibration occurring in a micro mirror. The optical scanning device includes a micro mirror that reflects light beams, torsion bars that rotate the micro mirror around a Y-axis, a movable frame that is disposed around the micro mirror, and meander-type piezoelectric actuators that rotate the micro mirror around an X-axis. The movable frame has a rectangular shape, and has a rib provided on the rear surface of the movable frame. Corner regions of four corners of the movable frame have a removal region where no rib is partially provided or a rib with a thickness thinner than other regions is provided.
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
A vehicular lamp includes a light source, a mirror unit that emits a scanning light beam by reflecting a light beam from the light source by reciprocating rotation around two axes, a reflection type phosphor unit that receives the scanning light beam from the mirror unit to produce an image on a phosphor surface, and a projection lens unit that is disposed to face the phosphor surface of the reflection type phosphor unit and through which light emitted from the image incident from the reflection type phosphor unit passes. The projection lens unit has a bottom surface on the inner side and a chamfered surface on the outer side in a radial direction on the incident side.
F21S 41/176 - Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
F21S 41/37 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
F21S 41/275 - Lens surfaces, e.g. coatings or surface structures
patents
