JP2014022313A - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
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- JP2014022313A JP2014022313A JP2012162638A JP2012162638A JP2014022313A JP 2014022313 A JP2014022313 A JP 2014022313A JP 2012162638 A JP2012162638 A JP 2012162638A JP 2012162638 A JP2012162638 A JP 2012162638A JP 2014022313 A JP2014022313 A JP 2014022313A
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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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/16—Laser light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24-F21S41/28
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/322—Optical layout thereof the reflector using total internal reflection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—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
-
- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
- F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs
Abstract
【解決手段】車両前方側に配置される第1面16と、後方側に配置される第2面18と、第3面22を含む凹部20と、を含む導光レンズ14と、凹部20内かつ導光レンズ14の基準点F近傍に配置された半導体発光素子12と、を備えており、第2面18は、凹部20から所定の方向に延びる反射領域18Aを含んでおり、第3面22は、半導体発光素子12からの光が入光するように、半導体発光素子12を取り囲むように配置されており、第1面16、第2面18及び/又は第3面22の面形状は、第1面16から出射して前方に照射される半導体発光素子12からの光が、ロービーム用配光パターンを形成するように設計され、凹部20内かつ半導体発光素子12の下方に配置されたオーバーヘッドサイン用配光パターン用の反射面26を備えている。
【選択図】図1
Description
Claims (5)
- 車両前方側に配置される第1面と、車両後方側に配置される第2面と、を含むレンズと、
前記レンズの焦点又はその近傍に配置された半導体発光素子と、
を備えており、
前記第2面は、前記半導体発光素子からの光が入光する面であり、
前記第1面は、前記第2面から前記レンズ内部に入光した前記半導体発光素子からの光が出射する面であり、
前記第1面及び/又は第2面の面形状は、前記第1面から出射して前方に照射される光が、ロービーム用配光パターンを形成するように設計されており、
さらに、
前記半導体発光素子の下方に配置されたオーバーヘッドサイン用配光パターン用の反射面を備えていることを特徴とする車両用前照灯。 - 車両前方側に配置される第1面と、車両後方側に配置される第2面と、第3面を含む凹部と、を含む導光レンズと、
前記凹部内かつ前記導光レンズの基準点又はその近傍に配置された半導体発光素子と、
を備えており、
前記第2面は、前記凹部から所定の方向に延びる反射領域を含んでおり、
前記第3面は、前記半導体発光素子からの光が入光するように、前記半導体発光素子を取り囲むように配置されており、
前記第1面は、前記第3面から前記導光レンズ内部に入光した前記半導体発光素子からの光を前記第2面の反射領域に向けて反射するとともに、前記第2面の反射領域からの反射光が出射する面であり、
前記第1面、第2面及び/又は第3面の面形状は、前記第1面から出射して前方に照射される前記半導体発光素子からの光が、ロービーム用配光パターンを形成するように設計されており、
さらに、
前記凹部内かつ前記半導体発光素子の下方に配置されたオーバーヘッドサイン用配光パターン用の反射面を備えていることを特徴とする車両用前照灯。 - 前記オーバーヘッドサイン用配光パターン用の反射面は、ミラー又は高反射率部材であることを特徴とする請求項1又は2に記載の車両用前照灯。
- 前記半導体発光素子を取り囲むように配置され、前記半導体発光素子からの光を反射して取り出すように構成された高反射率部材と、
前記高反射率部材のうち前記オーバーヘッドサイン用配光パターン用の反射面として機能させる部分を露出させた状態で、前記高反射率部材を覆うシェードと、
をさらに備えることを特徴とする請求項1又は2に記載の車両用前照灯。 - 前記高反射率部材は、白樹脂であることを特徴とする請求項3又は4に記載の車両用前照灯。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012162638A JP6045834B2 (ja) | 2012-07-23 | 2012-07-23 | 車両用前照灯 |
US13/949,214 US9103519B2 (en) | 2012-07-23 | 2013-07-23 | Vehicle lighting unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012162638A JP6045834B2 (ja) | 2012-07-23 | 2012-07-23 | 車両用前照灯 |
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JP2014022313A true JP2014022313A (ja) | 2014-02-03 |
JP6045834B2 JP6045834B2 (ja) | 2016-12-14 |
Family
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JP2012162638A Active JP6045834B2 (ja) | 2012-07-23 | 2012-07-23 | 車両用前照灯 |
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US (1) | US9103519B2 (ja) |
JP (1) | JP6045834B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015176859A (ja) * | 2014-03-18 | 2015-10-05 | 本田技研工業株式会社 | 車両用ヘッドライト |
JP2015185533A (ja) * | 2014-03-26 | 2015-10-22 | 三菱電機株式会社 | 車載用前照灯 |
KR20190024124A (ko) * | 2017-08-31 | 2019-03-08 | 에스엘 주식회사 | 차량용 램프 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9689546B2 (en) * | 2011-03-25 | 2017-06-27 | Light Prescriptions Innovators, Llc | Vehicle lighting unit |
US9340147B2 (en) * | 2011-11-29 | 2016-05-17 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
JP6515525B2 (ja) | 2014-12-22 | 2019-05-22 | スタンレー電気株式会社 | 灯具 |
JP7101547B2 (ja) * | 2018-06-27 | 2022-07-15 | 株式会社小糸製作所 | 車両用前照灯 |
JP7335577B2 (ja) * | 2018-11-19 | 2023-08-30 | 東京パーツ工業株式会社 | 照明装置 |
EP3683497A1 (en) * | 2019-01-18 | 2020-07-22 | ZKW Group GmbH | Lighting arrangement for vehicles |
KR20200143576A (ko) * | 2019-06-13 | 2020-12-24 | 현대자동차주식회사 | 차량용 슬림형 램프장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005258077A (ja) * | 2004-03-11 | 2005-09-22 | Ichikoh Ind Ltd | 車両用照明プレート |
JP2008300154A (ja) * | 2007-05-30 | 2008-12-11 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2011003460A (ja) * | 2009-06-19 | 2011-01-06 | Panasonic Corp | 照明用レンズ、発光装置、面光源および液晶ディスプレイ装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7460985B2 (en) | 2003-07-28 | 2008-12-02 | Light Prescriptions Innovators, Llc | Three-dimensional simultaneous multiple-surface method and free-form illumination-optics designed therefrom |
JP5169665B2 (ja) * | 2008-09-17 | 2013-03-27 | 市光工業株式会社 | 車両用前照灯 |
US8089374B2 (en) * | 2008-11-18 | 2012-01-03 | GE Lighting Solutions, LLC | LED signal light |
-
2012
- 2012-07-23 JP JP2012162638A patent/JP6045834B2/ja active Active
-
2013
- 2013-07-23 US US13/949,214 patent/US9103519B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005258077A (ja) * | 2004-03-11 | 2005-09-22 | Ichikoh Ind Ltd | 車両用照明プレート |
JP2008300154A (ja) * | 2007-05-30 | 2008-12-11 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2011003460A (ja) * | 2009-06-19 | 2011-01-06 | Panasonic Corp | 照明用レンズ、発光装置、面光源および液晶ディスプレイ装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015176859A (ja) * | 2014-03-18 | 2015-10-05 | 本田技研工業株式会社 | 車両用ヘッドライト |
JP2015185533A (ja) * | 2014-03-26 | 2015-10-22 | 三菱電機株式会社 | 車載用前照灯 |
KR20190024124A (ko) * | 2017-08-31 | 2019-03-08 | 에스엘 주식회사 | 차량용 램프 |
KR102392552B1 (ko) * | 2017-08-31 | 2022-04-29 | 에스엘 주식회사 | 차량용 램프 |
Also Published As
Publication number | Publication date |
---|---|
JP6045834B2 (ja) | 2016-12-14 |
US20140022804A1 (en) | 2014-01-23 |
US9103519B2 (en) | 2015-08-11 |
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