JP5801731B2 - 車輌用前照灯 - Google Patents
車輌用前照灯 Download PDFInfo
- Publication number
- JP5801731B2 JP5801731B2 JP2012012225A JP2012012225A JP5801731B2 JP 5801731 B2 JP5801731 B2 JP 5801731B2 JP 2012012225 A JP2012012225 A JP 2012012225A JP 2012012225 A JP2012012225 A JP 2012012225A JP 5801731 B2 JP5801731 B2 JP 5801731B2
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- Prior art keywords
- light emitting
- semiconductor light
- emitting elements
- right direction
- light
- Prior art date
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- 239000004065 semiconductor Substances 0.000 claims description 95
- 230000003287 optical effect Effects 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 19
- 230000007423 decrease Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 description 53
- 238000012986 modification Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—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
-
- 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
- F21S41/19—Attachment of light sources or lamp holders
-
- 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
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/192—Details of lamp holders, terminals or connectors
-
- 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
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
-
- 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
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
- F21S45/435—Forced cooling using gas circulating the gas within a closed system
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Description
Claims (5)
- 左右方向において離隔して配置された複数の半導体発光素子と前記複数の半導体発光素子からそれぞれ出射される光を反射する複数のリフレクターとを有する発光体と、
前記半導体発光素子から出射される光を投影して外部へ照射する投影レンズとを備え、
前記発光体が前記投影レンズの焦点面より後方に配置され、
前記複数のリフレクターのうち左右方向における中央部に位置された前記リフレクターが中央リフレクターとして設けられ、
前記中央リフレクター以外の前記リフレクターは、前記中央リフレクターを基準として左右方向における外側に位置する外側反射部と左右方向における内側に位置する内側反射部とを有し、
前記リフレクターの少なくとも一部において、前記外側反射部の光軸に対する傾斜角度が前記内側反射部の光軸に対する傾斜角度より小さくされた
ことを特徴とする車輌用前照灯。 - 前記外側反射部の光軸に対する傾斜角度が、前記中央リフレクターを基準として左右方向における外側へ行くに従って小さくなるようにした
ことを特徴とする請求項1に記載の車輌用前照灯。 - 隣り合って位置する前記半導体発光素子の距離が前記半導体発光素子の左右方向における長さより長くされた
ことを特徴とする請求項1又は請求項2に記載の車輌用前照灯。 - 前記複数の半導体発光素子がそれぞれ搭載される複数の基板が設けられた
ことを特徴とする請求項1、請求項2又は請求項3に記載の車輌用前照灯。 - 前記複数の半導体発光素子又は前記複数の半導体発光素子がそれぞれ搭載される複数の基板が配置されるベース板が設けられ、
前記ベース板は左右方向における中央部が最も前側に位置する階段状に形成され、
前記ベース板の各段差間に位置された前方を向く面がそれぞれ配置面として形成され、
前記各配置面にそれぞれ前記半導体発光素子又は前記基板が配置された
ことを特徴とする請求項1、請求項2、請求項3又は請求項4に記載の車輌用前照灯。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012012225A JP5801731B2 (ja) | 2012-01-24 | 2012-01-24 | 車輌用前照灯 |
EP13152286.4A EP2620694B1 (en) | 2012-01-24 | 2013-01-23 | Vehicle headlamp |
CN201310027508.6A CN103216777B (zh) | 2012-01-24 | 2013-01-24 | 车辆用前照灯 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012012225A JP5801731B2 (ja) | 2012-01-24 | 2012-01-24 | 車輌用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013152816A JP2013152816A (ja) | 2013-08-08 |
JP5801731B2 true JP5801731B2 (ja) | 2015-10-28 |
Family
ID=47720284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012012225A Active JP5801731B2 (ja) | 2012-01-24 | 2012-01-24 | 車輌用前照灯 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2620694B1 (ja) |
JP (1) | JP5801731B2 (ja) |
CN (1) | CN103216777B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101606772B1 (ko) * | 2013-11-22 | 2016-03-28 | 현대모비스 주식회사 | 차량용 멀티 어레이 엘이디 칩 및 이를 구비하는 헤드램프 |
CN104748035A (zh) * | 2015-03-13 | 2015-07-01 | 上海信耀电子有限公司 | 一种汽车用led后雾灯 |
FR3038695A1 (fr) * | 2015-07-10 | 2017-01-13 | Valeo Vision | Module lumineux pour l'eclairage et/ou la signalisation d'un vehicule automobile |
DE102016210048A1 (de) * | 2016-06-08 | 2017-12-14 | Osram Gmbh | Lichtquellenanordnung für ein fahrzeug und beleuchtungseinrichtung für ein fahrzeug mit der lichtquellenanordnung |
JP7081917B2 (ja) * | 2017-11-22 | 2022-06-07 | スタンレー電気株式会社 | 車両用灯具 |
JP7101547B2 (ja) * | 2018-06-27 | 2022-07-15 | 株式会社小糸製作所 | 車両用前照灯 |
JP6949069B2 (ja) * | 2019-03-14 | 2021-10-13 | 株式会社小糸製作所 | 灯具ユニットおよび車両用灯具 |
US11674658B2 (en) * | 2019-05-22 | 2023-06-13 | Koito Manufacturing Co., Ltd. | Headlamp for vehicle |
IT201900024226A1 (it) * | 2019-12-17 | 2021-06-17 | Osram Gmbh | Lampada e corrispondente procedimento |
CN112815268A (zh) * | 2020-07-14 | 2021-05-18 | 华域视觉科技(上海)有限公司 | 远光照明系统和车灯 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3181145B2 (ja) * | 1993-06-07 | 2001-07-03 | スタンレー電気株式会社 | Led光源の灯具 |
DE10044455B4 (de) * | 2000-09-08 | 2009-07-30 | Osram Opto Semiconductors Gmbh | Signalleuchte |
US6556349B2 (en) * | 2000-12-27 | 2003-04-29 | Honeywell International Inc. | Variable focal length micro lens array field curvature corrector |
JP2004103503A (ja) * | 2002-09-12 | 2004-04-02 | Ichikoh Ind Ltd | 導光体及びこの導光体を有する車両用灯具 |
FR2905448B1 (fr) * | 2006-09-01 | 2015-05-01 | Valeo Vision | Dispositif d'eclairage ou de signalisation d'aspect guide de lumiere haute performance pour vehicule. |
JP5150336B2 (ja) * | 2008-03-28 | 2013-02-20 | スタンレー電気株式会社 | Ledランプ |
JP5179925B2 (ja) * | 2008-04-04 | 2013-04-10 | スタンレー電気株式会社 | 車両用灯具 |
JP5425184B2 (ja) * | 2008-04-25 | 2014-02-26 | コーニンクレッカ フィリップス エヌ ヴェ | ランプ組立体 |
JP2009283408A (ja) * | 2008-05-26 | 2009-12-03 | Koito Mfg Co Ltd | 車両用前照灯 |
JP5087500B2 (ja) * | 2008-08-27 | 2012-12-05 | 株式会社小糸製作所 | 車両用灯具ユニット |
EP2384411B1 (en) * | 2009-01-05 | 2012-10-17 | Philips Intellectual Property & Standards GmbH | Lighting assembly and automotive headlamp arrangement |
JP2010267600A (ja) * | 2009-07-08 | 2010-11-25 | Yi-Jin Industrial Co Ltd | Ledバルブ及びそのランプカバー |
AT508604B1 (de) * | 2009-07-31 | 2012-07-15 | Zizala Lichtsysteme Gmbh | Led-kraftfahrzeugscheinwerfer zur erzeugung einer dynamischen lichtverteilung |
JP5612298B2 (ja) * | 2009-11-20 | 2014-10-22 | 株式会社小糸製作所 | 発光モジュールおよび車両用灯具 |
CN102812289B (zh) * | 2010-03-31 | 2016-09-21 | 皇家飞利浦电子股份有限公司 | 照明系统和用于这种系统的光源单元 |
JP5298395B2 (ja) | 2011-05-31 | 2013-09-25 | スタンレー電気株式会社 | 車両用前照灯 |
-
2012
- 2012-01-24 JP JP2012012225A patent/JP5801731B2/ja active Active
-
2013
- 2013-01-23 EP EP13152286.4A patent/EP2620694B1/en active Active
- 2013-01-24 CN CN201310027508.6A patent/CN103216777B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP2620694A3 (en) | 2018-04-04 |
CN103216777A (zh) | 2013-07-24 |
CN103216777B (zh) | 2016-03-23 |
JP2013152816A (ja) | 2013-08-08 |
EP2620694A2 (en) | 2013-07-31 |
EP2620694B1 (en) | 2021-03-10 |
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