JP2014212089A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2014212089A JP2014212089A JP2013089073A JP2013089073A JP2014212089A JP 2014212089 A JP2014212089 A JP 2014212089A JP 2013089073 A JP2013089073 A JP 2013089073A JP 2013089073 A JP2013089073 A JP 2013089073A JP 2014212089 A JP2014212089 A JP 2014212089A
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- light emitting
- source unit
- distribution pattern
- 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.)
- Pending
Links
- 238000009792 diffusion process Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract 4
- 230000004048 modification Effects 0.000 description 11
- 238000012986 modification Methods 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000007740 vapor deposition Methods 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
- F21S41/10—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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—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
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- 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
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- 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
- F21S41/40—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
- 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
- F21S41/30—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
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)
Abstract
Description
投影レンズと、この投影レンズの後側焦点よりも後方側に配置された複数の光源ユニットと、を備えてなる車両用灯具において、
上記各光源ユニットが、光源と、この光源からの光を制御する光制御部材とを備えており、
上記複数の光源ユニットのうち、第1光源ユニットの光源の輝度が、第2光源ユニットの光源の輝度よりも高い値に設定されている、ことを特徴とするものである。
12 投影レンズ
14、114 ミラー部材
14a、114a 上向き反射面
14a1、114a1 前端縁
14a2、114a2 立壁部
16 レンズホルダ
20A、120A 第1光源ユニット
20BL、20BR 第2光源ユニット
22A、22B、122A 発光素子(光源)
22Aa、22Ba、122Aa 発光面
24A、24B リフレクタ(光制御部材)
24Aa、24Ba 反射面
134A レンズ(光制御部材)
Ax 光軸
CL1 下段カットオフライン
CL2 上段カットオフライン
E エルボ点
F 後側焦点
HZ 高光度領域
PL ロービーム用配光パターン
P1 第1の配光パターン
P2L、P2R 第2の配光パターン
Claims (4)
- 投影レンズと、この投影レンズの後側焦点よりも後方側に配置された複数の光源ユニットと、を備えてなる車両用灯具において、
上記各光源ユニットが、光源と、この光源からの光を制御する光制御部材とを備えており、
上記複数の光源ユニットのうち、第1光源ユニットの光源の輝度が、第2光源ユニットの光源の輝度よりも高い値に設定されている、ことを特徴とする車両用灯具。 - 上記各光源ユニットの光源として発光素子が用いられており、
上記第1光源ユニットの発光素子の発光面が、上記第2光源ユニットの発光素子の発光面よりも小さいサイズで形成されている、ことを特徴とする請求項1記載の車両用灯具。 - 上記光制御部材が、上記光源からの光を上記投影レンズへ向けて反射させるリフレクタで構成されている、ことを特徴とする請求項1または2記載の車両用灯具。
- 上記投影レンズの後方に、上記各光源ユニットのリフレクタからの反射光の一部を上向きに反射させるための上向き反射面を有するミラー部材が配置されており、
上記上向き反射面の前端縁が、上記後側焦点またはその近傍を通るように形成されている、ことを特徴とする請求項3記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013089073A JP2014212089A (ja) | 2013-04-22 | 2013-04-22 | 車両用灯具 |
US14/252,077 US20140313760A1 (en) | 2013-04-22 | 2014-04-14 | Vehicular lamp |
EP14165355.0A EP2796773A3 (en) | 2013-04-22 | 2014-04-22 | Vehicular headlamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013089073A JP2014212089A (ja) | 2013-04-22 | 2013-04-22 | 車両用灯具 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2014212089A true JP2014212089A (ja) | 2014-11-13 |
Family
ID=50513105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013089073A Pending JP2014212089A (ja) | 2013-04-22 | 2013-04-22 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20140313760A1 (ja) |
EP (1) | EP2796773A3 (ja) |
JP (1) | JP2014212089A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160125738A (ko) * | 2015-04-22 | 2016-11-01 | 에스엘 주식회사 | 차량용 램프 |
JP2016207632A (ja) * | 2015-04-16 | 2016-12-08 | 隆達電子股▲ふん▼有限公司 | 車両用灯具 |
KR20200126641A (ko) * | 2019-04-30 | 2020-11-09 | 에스엘 주식회사 | 차량용 램프 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI558943B (zh) * | 2014-04-18 | 2016-11-21 | 王正 | 車燈模組 |
DE102014216127A1 (de) * | 2014-08-13 | 2016-02-18 | Automotive Lighting Reutlingen Gmbh | Projektionslichtmodul für einen Kraftfahrzeugscheinwerfermit einem zentralen Linsenträger |
JP6484011B2 (ja) * | 2014-11-25 | 2019-03-13 | スタンレー電気株式会社 | 発光ダイオード装置 |
FR3041073B1 (fr) * | 2015-09-15 | 2020-01-31 | Valeo Vision | Dispositif de projection de faisceau lumineux a ecran digital et projecteur muni d’un tel dispositif |
FR3052535B1 (fr) * | 2016-06-09 | 2019-11-29 | Valeo Vision | Module optique pour dispositif d'eclairage de vehicule automobile |
KR101975459B1 (ko) | 2016-10-25 | 2019-05-08 | 에스엘 주식회사 | 차량용 램프 |
CN108569189B (zh) * | 2017-03-27 | 2023-05-05 | 常州星宇车灯股份有限公司 | 一种基于图像处理的车灯反射镜调整装置及方法 |
TWI650256B (zh) * | 2018-01-29 | 2019-02-11 | 誠益光電科技股份有限公司 | 智慧頭燈 |
TWI651489B (zh) * | 2018-01-29 | 2019-02-21 | 誠益光電科技股份有限公司 | 智慧頭燈 |
WO2019214977A1 (en) | 2018-05-08 | 2019-11-14 | Lumileds Holding B.V. | Headlamp for automotive vehicles |
US11209656B1 (en) * | 2020-10-05 | 2021-12-28 | Facebook Technologies, Llc | Methods of driving light sources in a near-eye display |
US11727892B1 (en) | 2022-11-09 | 2023-08-15 | Meta Platforms Technologies, Llc | Eye-tracking based foveation control of displays |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010055888A (ja) * | 2008-08-27 | 2010-03-11 | Koito Mfg Co Ltd | 車両用灯具ユニット |
JP2010232044A (ja) * | 2009-03-27 | 2010-10-14 | Stanley Electric Co Ltd | 車両用灯具 |
US20120294024A1 (en) * | 2011-05-19 | 2012-11-22 | John Patrick Peck | Led reflector optic for an automotive headlight |
JP2013047091A (ja) * | 2011-07-25 | 2013-03-07 | Sharp Corp | 照明装置および当該照明装置を備えた車両用前照灯 |
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FR2826098B1 (fr) * | 2001-06-14 | 2003-12-26 | Valeo Vision | Dispositif d'eclairage ou de signalisation, notamment pour vehicule, comportant plusieurs sources lumineuses |
JP4083516B2 (ja) * | 2002-09-03 | 2008-04-30 | 株式会社小糸製作所 | 車両用前照灯 |
JP4094446B2 (ja) * | 2003-02-03 | 2008-06-04 | 株式会社小糸製作所 | 車両用前照灯及び発光モジュール |
JP4044024B2 (ja) * | 2003-09-29 | 2008-02-06 | 株式会社小糸製作所 | 車両用前照灯 |
JP4391870B2 (ja) * | 2004-04-02 | 2009-12-24 | 株式会社小糸製作所 | 車両用照明灯具 |
JP4413762B2 (ja) * | 2004-12-07 | 2010-02-10 | 株式会社小糸製作所 | 車両用照明灯具 |
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JP4468857B2 (ja) * | 2005-05-17 | 2010-05-26 | 株式会社小糸製作所 | 車両用照明灯具 |
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JP4970136B2 (ja) * | 2007-05-17 | 2012-07-04 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
JP5069985B2 (ja) * | 2007-09-13 | 2012-11-07 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニットおよび車両用前照灯 |
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FR2944578B1 (fr) * | 2009-04-21 | 2013-08-02 | Valeo Vision Sas | Module et dispositif d'eclairage pour vehicule avec fonction route amelioree |
EP2474777B1 (en) * | 2009-09-03 | 2018-09-19 | Koito Manufacturing Co., Ltd. | Light emitting device and vehicle headlight |
JP4685187B2 (ja) | 2009-11-25 | 2011-05-18 | 株式会社小糸製作所 | 車両用照明灯具 |
DE102011006380A1 (de) * | 2011-03-29 | 2012-10-04 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugscheinwerfer mit einer Halbleiterlichtquelle |
FR2979688A1 (fr) * | 2011-09-05 | 2013-03-08 | Valeo Vision | Module optique pour dispositif de signalisation et/ou d'eclairage |
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JP6052569B2 (ja) * | 2012-01-25 | 2016-12-27 | スタンレー電気株式会社 | 車両用灯具ユニット |
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2013
- 2013-04-22 JP JP2013089073A patent/JP2014212089A/ja active Pending
-
2014
- 2014-04-14 US US14/252,077 patent/US20140313760A1/en not_active Abandoned
- 2014-04-22 EP EP14165355.0A patent/EP2796773A3/en not_active Withdrawn
Patent Citations (4)
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JP2010055888A (ja) * | 2008-08-27 | 2010-03-11 | Koito Mfg Co Ltd | 車両用灯具ユニット |
JP2010232044A (ja) * | 2009-03-27 | 2010-10-14 | Stanley Electric Co Ltd | 車両用灯具 |
US20120294024A1 (en) * | 2011-05-19 | 2012-11-22 | John Patrick Peck | Led reflector optic for an automotive headlight |
JP2013047091A (ja) * | 2011-07-25 | 2013-03-07 | Sharp Corp | 照明装置および当該照明装置を備えた車両用前照灯 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016207632A (ja) * | 2015-04-16 | 2016-12-08 | 隆達電子股▲ふん▼有限公司 | 車両用灯具 |
US10281101B2 (en) | 2015-04-16 | 2019-05-07 | Lextar Electronics Corporation | Vehicle lamp with segmented ellipsoidal reflector, condenser lens, and plurality of light sources mounted on different planes of heat dissipating base |
KR20160125738A (ko) * | 2015-04-22 | 2016-11-01 | 에스엘 주식회사 | 차량용 램프 |
KR102340502B1 (ko) | 2015-04-22 | 2021-12-17 | 에스엘 주식회사 | 차량용 램프 |
KR20200126641A (ko) * | 2019-04-30 | 2020-11-09 | 에스엘 주식회사 | 차량용 램프 |
KR102706415B1 (ko) * | 2019-04-30 | 2024-09-12 | 에스엘 주식회사 | 차량용 램프 |
Also Published As
Publication number | Publication date |
---|---|
EP2796773A2 (en) | 2014-10-29 |
US20140313760A1 (en) | 2014-10-23 |
EP2796773A3 (en) | 2018-01-03 |
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