JPWO2019245030A1 - 車両用灯具の光源ユニット及び車両用灯具 - Google Patents
車両用灯具の光源ユニット及び車両用灯具 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—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
- F21S43/255—Filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
- F21S43/145—Surface emitters, e.g. organic light emitting diodes [OLED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/16—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—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
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—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
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—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
- F21S43/235—Light guides
- F21S43/247—Light guides with a single light source being coupled into the light guide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21S43/20—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
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/70—Prevention of harmful light leakage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
- F21V7/26—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material the material comprising photoluminescent substances
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/38—Combination of two or more photoluminescent elements of different materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
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- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
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- Securing Globes, Refractors, Reflectors Or The Like (AREA)
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Abstract
Description
Claims (21)
- 励起光を出射する光源と、
前記励起光が照射されることで生成光を発光する発光層と、前記発光層を保持する保持部材とを有する光生成部と、
前記発光層からの前記生成光を車両搭載状態における正面方向に照射するレンズ部材と
を備える車両用灯具の光源ユニット。 - 前記発光層は、有機材料を用いて形成される
請求項1に記載の車両用灯具の光源ユニット。 - 前記光生成部は、前記励起光及び前記生成光を透過し前記発光層を封止する封止部を有する
請求項2に記載の車両用灯具の光源ユニット。 - 前記保持部材は、前記励起光を透過し、表裏に平面部を有する板状であり、
前記発光層は、前記保持部材の表裏の前記平面部の少なくとも一方に形成され、
前記光生成部は、前記発光層が形成された前記平面部が車両搭載状態における前記正面側に配置される
請求項1から請求項3のいずれか一項に記載の車両用灯具の光源ユニット。 - 前記保持部材は、前記生成光を透過可能であり、
前記発光層は、前記保持部材の表裏の前記平面部の両方に形成される
請求項4に記載の車両用灯具の光源ユニット。 - 前記保持部材は、表裏の前記平面部同士を接続する側面を有し、
前記光源は、前記励起光を出射する出射面が前記側面に対向して配置される
請求項4又は請求項5に記載の車両用灯具の光源ユニット。 - 前記保持部材は、前記側面を複数有し、
複数の前記側面のうち前記出射面に対向する前記側面とは異なる前記側面は、前記励起光を拡散させる光拡散部を有する
請求項6に記載の車両用灯具の光源ユニット。 - 前記保持部材は、前記生成光を透過可能であり、
前記光生成部は、前記平面部同士が対向するように前記保持部材が複数配置される
請求項4から請求項7のいずれか一項に記載の車両用灯具の光源ユニット。 - 複数の前記光生成部に設けられる前記発光層は、正面視において互いに異なる領域に配置される
請求項8に記載の車両用灯具の光源ユニット。 - 複数の前記光生成部に設けられる前記発光層は、正面視において互いに径が異なる環状である
請求項9に記載の車両用灯具の光源ユニット。 - 前記発光層は、前記生成光として赤色光を発光する
請求項1から請求項10のいずれか一項に記載の車両用灯具の光源ユニット。 - 前記レンズ部材は、赤色光を透過し、赤色光とは異なる光を吸収する
請求項1から請求項11のいずれか一項に記載の車両用灯具の光源ユニット。 - 請求項1から請求項12のいずれか一項に記載の車両用灯具の光源ユニットを備える車両用灯具。
- 励起光を出射する光源と、
前記励起光が照射されることで生成光を発光する発光層と、前記発光層に対して車両搭載状態における背面側に配置され前記生成光を車両搭載状態における正面方向に反射する反射層と、前記発光層に対して車両搭載状態における正面側であって前記反射層との間で前記発光層を挟む位置に配置され前記生成光の一部を透過し一部を車両搭載状態における背面方向に反射する半透過反射層と、前記発光層、前記反射層及び前記半透過反射層を保持する保持部材とを有する光生成部と、
前記光生成部に対して前記正面側に配置され、前記半透過反射層を透過した前記生成光を前記正面方向に照射するレンズ部材と
を備える車両用灯具の光源ユニット。 - 前記発光層は、有機材料を用いて形成される
請求項14に記載の車両用灯具の光源ユニット。 - 前記発光層は、前記正面方向から見て環状に形成される
請求項14又は請求項15に記載の車両用灯具の光源ユニット。 - 前記光源は、前記発光層に対して車両搭載状態における下側に配置される
請求項14から請求項16のいずれか一項に記載の車両用灯具の光源ユニット。 - 前記反射層は、前記背面方向に突出した状態で湾曲される
請求項14から請求項17のいずれか一項に記載の車両用灯具の光源ユニット。 - 前記発光層は、前記生成光として赤色光を発光する
請求項14から請求項18のいずれか一項に記載の車両用灯具の光源ユニット。 - 前記レンズ部材は、赤色光を透過し、赤色光とは異なる光を吸収する
請求項14から請求項19のいずれか一項に記載の車両用灯具の光源ユニット。 - 請求項14から請求項20のいずれか一項に記載の車両用灯具の光源ユニットを備える車両用灯具。
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JP2021163628A (ja) | 2020-03-31 | 2021-10-11 | 市光工業株式会社 | 車両用灯具 |
WO2022102785A1 (ja) | 2020-11-16 | 2022-05-19 | 市光工業株式会社 | 車両用灯具 |
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JP2002100216A (ja) * | 2000-09-22 | 2002-04-05 | Ichikoh Ind Ltd | 車両用灯具 |
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JP2015050148A (ja) * | 2013-09-04 | 2015-03-16 | 株式会社小糸製作所 | 車両用灯具 |
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