JP5753012B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP5753012B2 JP5753012B2 JP2011149152A JP2011149152A JP5753012B2 JP 5753012 B2 JP5753012 B2 JP 5753012B2 JP 2011149152 A JP2011149152 A JP 2011149152A JP 2011149152 A JP2011149152 A JP 2011149152A JP 5753012 B2 JP5753012 B2 JP 5753012B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- light guide
- lamp
- rear direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- 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
- 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
-
- 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
-
- 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
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Description
複数の光源と、これら各光源からの出射光を入射させた後、前方へ向けて導光し、第1表面に形成された複数の反射素子で内面反射させて、この第1表面と対向する第2表面から灯具前方へ向けて出射させるように構成された導光板と、を備えてなる車両用灯具において、
上記導光板が、前方へ向けて上記第1表面側へ湾曲するとともに徐々に肉厚が薄くなるように形成されており、
上記複数の反射素子が、前後方向に所定間隔をおいて前後方向と交差する方向に延びるように形成されており、
上記複数の反射素子が、上記各光源に対応する位置毎に、前後方向に延びる帯状領域として形成されている、ことを特徴とするものである。
12 ランプボディ
14 透光カバー
22 発光ダイオード(光源)
24、124 導光板
24A 後部領域
24B 主要領域
24C 前端領域
24Z、124Z 帯状領域
24a、124a 後端面
24b 下面(第1表面)
24c 上面(第2表面)
24s、124s 反射素子
26 基板
28 ヒートシンク
30 光源支持部材
32 反射パネル
32a 上面
50 ヘッドランプユニット
52 光源バルブ
54 リフレクタ
60 エクステンション部材
60a 下端外周縁
124d レンズ部
d 前後幅
O 発光中心
P ピッチ
Claims (4)
- 複数の光源と、これら各光源からの出射光を入射させた後、前方へ向けて導光し、第1表面に形成された複数の反射素子で内面反射させて、この第1表面と対向する第2表面から灯具前方へ向けて出射させるように構成された導光板と、を備えてなる車両用灯具において、
上記導光板が、前方へ向けて上記第1表面側へ湾曲するとともに徐々に肉厚が薄くなるように形成されており、
上記複数の反射素子が、前後方向に所定間隔をおいて前後方向と交差する方向に延びるように形成されており、
上記複数の反射素子が、上記各光源に対応する位置毎に、前後方向に延びる帯状領域として形成されている、ことを特徴とする車両用灯具。 - 上記各反射素子の前後幅が、前方側に位置する反射素子ほど大きい値に設定されている、ことを特徴とする請求項1記載の車両用灯具。
- 上記導光板が、前後方向と直交する方向に関して該方向の端部へ向けて上記第2表面側へ湾曲するように形成されている、ことを特徴とする請求項1または2記載の車両用灯具。
- 上記複数の反射素子が、上記帯状領域毎に階段状に形成されている、ことを特徴とする請求項1〜3いずれか記載の車両用灯具。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011149152A JP5753012B2 (ja) | 2011-07-05 | 2011-07-05 | 車両用灯具 |
US13/535,582 US8708538B2 (en) | 2011-07-05 | 2012-06-28 | Vehicle lamp |
EP12175059.0A EP2543925A3 (en) | 2011-07-05 | 2012-07-05 | Vehicle lamp |
CN201210232714.6A CN102865540B (zh) | 2011-07-05 | 2012-07-05 | 车辆用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011149152A JP5753012B2 (ja) | 2011-07-05 | 2011-07-05 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013016386A JP2013016386A (ja) | 2013-01-24 |
JP5753012B2 true JP5753012B2 (ja) | 2015-07-22 |
Family
ID=46466229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011149152A Active JP5753012B2 (ja) | 2011-07-05 | 2011-07-05 | 車両用灯具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8708538B2 (ja) |
EP (1) | EP2543925A3 (ja) |
JP (1) | JP5753012B2 (ja) |
CN (1) | CN102865540B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018137127A (ja) * | 2017-02-22 | 2018-08-30 | スタンレー電気株式会社 | 車両用灯具 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013109942A (ja) * | 2011-11-21 | 2013-06-06 | Koito Mfg Co Ltd | 車両用灯具 |
JP5945238B2 (ja) * | 2013-03-11 | 2016-07-05 | 株式会社豊田自動織機 | 車両用灯具および車両のリアパネル |
JP6227346B2 (ja) * | 2013-09-25 | 2017-11-08 | スタンレー電気株式会社 | 導光板、面発光装置及び車両用灯具 |
JP6514912B2 (ja) * | 2015-02-26 | 2019-05-15 | 株式会社村上開明堂 | ターンランプ |
GB2535758B (en) * | 2015-02-26 | 2018-09-05 | Bentley Motors Ltd | Vehicle light assembly and lighting method |
DE102016119321A1 (de) * | 2016-10-11 | 2018-04-12 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für ein Kraftfahrzeug, insbesondere Scheinwerfer eines Kraftfahrzeugs |
WO2018149407A1 (zh) * | 2017-02-14 | 2018-08-23 | 亿光电子工业股份有限公司 | 导光元件、导光装置和照明模组 |
US10680145B2 (en) | 2017-08-04 | 2020-06-09 | Everlight Electronics Co., Ltd. | LED package structure and method for manufacturing same |
CN109695854A (zh) * | 2017-10-20 | 2019-04-30 | 法雷奥照明湖北技术中心有限公司 | 光源组件、照明装置和机动车辆 |
JP2019107789A (ja) * | 2017-12-15 | 2019-07-04 | 株式会社小糸製作所 | 樹脂成形品および車両用部品 |
CN110274206B (zh) | 2018-03-14 | 2023-03-24 | 株式会社小糸制作所 | 车辆用灯具 |
JP7281883B2 (ja) * | 2018-08-10 | 2023-05-26 | 株式会社小糸製作所 | 車両用灯具 |
WO2020090888A1 (ja) | 2018-11-02 | 2020-05-07 | 株式会社小糸製作所 | 車両用灯具 |
EP3660393B1 (en) * | 2018-11-30 | 2024-03-27 | Valeo Iluminacion, S.A. | Automotive lighting device |
JP7242313B2 (ja) * | 2019-01-24 | 2023-03-20 | スタンレー電気株式会社 | 車両用灯具 |
JP7292074B2 (ja) | 2019-03-22 | 2023-06-16 | スタンレー電気株式会社 | 車両用灯具 |
JP7198712B2 (ja) * | 2019-04-11 | 2023-01-04 | 株式会社小糸製作所 | 車両用灯具 |
KR102217600B1 (ko) * | 2019-10-17 | 2021-02-19 | 현대모비스 주식회사 | 라이트가이드 장치 및 이의 순차적 점등방법 |
CN211780819U (zh) * | 2020-01-02 | 2020-10-27 | 市光法雷奥(佛山)汽车照明系统有限公司 | 光导部件、相应的车灯和车辆 |
CN114593397A (zh) * | 2021-03-31 | 2022-06-07 | 领为视觉智能科技(宁波)有限公司 | 一种用于车灯宽发光面信号灯的扁光导及应用 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6623132B2 (en) * | 1999-08-11 | 2003-09-23 | North American Lighting, Inc. | Light coupler hingedly attached to a light guide for automotive lighting |
JP2003100114A (ja) * | 2001-09-19 | 2003-04-04 | Koito Mfg Co Ltd | 車両用灯具 |
JP2004103379A (ja) * | 2002-09-09 | 2004-04-02 | Koito Mfg Co Ltd | 車両用標識灯 |
JP2005122946A (ja) | 2003-10-14 | 2005-05-12 | Honda Motor Co Ltd | 車両用灯光装置 |
JP2005267928A (ja) * | 2004-03-17 | 2005-09-29 | Chatani Sangyo Kk | 曲面体等の均一発光方法及び均一発光品 |
DE102004063574A1 (de) * | 2004-12-30 | 2006-07-13 | Osram Opto Semiconductors Gmbh | Leuchtvorrichtung mit mehreren Halbleiterlichtquellen |
JP4780788B2 (ja) * | 2007-01-31 | 2011-09-28 | スタンレー電気株式会社 | Led灯具ユニット |
JP4919041B2 (ja) * | 2007-03-14 | 2012-04-18 | スタンレー電気株式会社 | 車両用灯具 |
JP2009218076A (ja) * | 2008-03-10 | 2009-09-24 | Koito Mfg Co Ltd | 車両用灯具 |
JP5603571B2 (ja) | 2009-06-05 | 2014-10-08 | 株式会社小糸製作所 | 車両用灯具 |
DE102009052339A1 (de) * | 2009-11-03 | 2011-05-05 | Automotive Lighting Reutlingen Gmbh | Beleuchtungseinrichtung für ein Kraftfahrzeug |
-
2011
- 2011-07-05 JP JP2011149152A patent/JP5753012B2/ja active Active
-
2012
- 2012-06-28 US US13/535,582 patent/US8708538B2/en active Active
- 2012-07-05 EP EP12175059.0A patent/EP2543925A3/en not_active Withdrawn
- 2012-07-05 CN CN201210232714.6A patent/CN102865540B/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018137127A (ja) * | 2017-02-22 | 2018-08-30 | スタンレー電気株式会社 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
US8708538B2 (en) | 2014-04-29 |
US20130010486A1 (en) | 2013-01-10 |
EP2543925A3 (en) | 2014-01-22 |
CN102865540B (zh) | 2016-03-09 |
CN102865540A (zh) | 2013-01-09 |
JP2013016386A (ja) | 2013-01-24 |
EP2543925A2 (en) | 2013-01-09 |
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