JP2007324002A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2007324002A JP2007324002A JP2006153872A JP2006153872A JP2007324002A JP 2007324002 A JP2007324002 A JP 2007324002A JP 2006153872 A JP2006153872 A JP 2006153872A JP 2006153872 A JP2006153872 A JP 2006153872A JP 2007324002 A JP2007324002 A JP 2007324002A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor
- reflecting surface
- light source
- reflector
- type light
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 51
- 239000004065 semiconductor Substances 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims description 18
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007787 solid Substances 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
- F21S41/20—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
- F21S41/36—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
- 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
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
-
- 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
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
- F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
- F21W2102/155—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having inclined and horizontal cutoff lines
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
【解決手段】第1リフレクタ2および第2リフレクタ3および3個の半導体型光源4が投影レンズ5とその投影レンズ5の焦点F3との間に配置されている。この結果、投影レンズ5の光軸Z3−Z3方向、すなわち、水平方向の奥行き寸法を小さくすることができ、水平方向の奥行き寸法を小さくするというニーズに対応することができる。
【選択図】 図2
Description
2 第1リフレクタ
3 第2リフレクタ
4 半導体型光源(LED)
5 投影レンズ
6 ヒートシンク
71、72、73 第1反射面
8 第2反射面
9 開口部
10 基板
11 光透過部材
12 エッジ
13 別個の半導体型光源
C 自動車
HL−HR 左右の水平線
VU−VD 上下の垂直線
F11、F12、F13 第1反射面の第1焦点
F2 第1反射面の第2焦点
F3 投影レンズの焦点
Z11−Z11、Z12−Z12、Z13−Z13 第1反射面の光軸
Z3−Z3 投影レンズの光軸
P1、P2、P3 第1反射面および第2反射面で形成されるパターン
P10、P20、P30 所定の基本配光パターン
P4、P5 所定の補助配光パターン
L1 半導体型光源からの光
L2 第1反射面からの反射光
L3 第2反射面からの反射光
L4 別個の半導体型光源からの光
Claims (4)
- 光源として半導体型光源を使用する車両用灯具において、
楕円または楕円を基本とする第1反射面を有する第1リフレクタと、
前記第1反射面の光軸に対して交差する平面をなす第2反射面と、前記第2反射面に設けられている開口部と、を有する第2リフレクタと、
発光部が前記第1反射面の第1焦点もしくはその近傍に位置する前記半導体型光源と、
光軸がほぼ水平をなしていてかつ前記第1反射面の光軸および前記第2反射面に対して交差する光学レンズと、
を備え、
前記第1リフレクタおよび前記第2リフレクタおよび前記半導体型光源は、前記光学レンズと前記光学レンズの焦点との間に配置されており、
前記第1反射面の第2焦点は、前記光学レンズの焦点もしくはその近傍に位置し、
前記第2反射面の前記開口部の縁は、前記光学レンズの焦点もしくはその近傍に位置し、
前記半導体型光源の発光部からの光であって前記第1反射面で反射された反射光の一部は、前記開口部を通ってカットオフされ、残りの反射光は、前記第2反射面で反射されて前記光学レンズを透過して所定の基本配光パターンで外部に照射される、
ことを特徴とする車両用灯具。 - 前記半導体型光源と前記第1反射面とは、ペアをなし、複数ペアを備える、
ことを特徴とする請求項1に記載の車両用灯具。 - 前記半導体型光源と別個の半導体型光源を備え、
前記別個の半導体型光源の発光部からの光は、前記光学レンズに直接入射して前記光学レンズを透過して所定の補助配光パターンで外部に照射される、
ことを特徴とする請求項1または2に記載の車両用灯具。 - 前記半導体型光源は、前記半導体型光源の基板を介してヒートシンクに、前記基板面がほぼ垂直となるように、取り付けられており、
前記ヒートシンクは、ほぼ垂直置きに設けられている、
ことを特徴とする請求項1〜3のいずれか1項に記載の車両用灯具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006153872A JP4735424B2 (ja) | 2006-06-01 | 2006-06-01 | 車両用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006153872A JP4735424B2 (ja) | 2006-06-01 | 2006-06-01 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007324002A true JP2007324002A (ja) | 2007-12-13 |
JP4735424B2 JP4735424B2 (ja) | 2011-07-27 |
Family
ID=38856618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006153872A Active JP4735424B2 (ja) | 2006-06-01 | 2006-06-01 | 車両用灯具 |
Country Status (1)
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JP (1) | JP4735424B2 (ja) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009131126A1 (ja) * | 2008-04-22 | 2009-10-29 | 株式会社小糸製作所 | 車両用灯具 |
JP2009280151A (ja) * | 2008-05-23 | 2009-12-03 | Honda Access Corp | 車両用照明装置 |
JP2010055888A (ja) * | 2008-08-27 | 2010-03-11 | Koito Mfg Co Ltd | 車両用灯具ユニット |
JP2010073432A (ja) * | 2008-09-17 | 2010-04-02 | Ichikoh Ind Ltd | 車両用前照灯 |
JP2012059608A (ja) * | 2010-09-10 | 2012-03-22 | Stanley Electric Co Ltd | 車両用灯具ユニット |
JP2016181379A (ja) * | 2015-03-24 | 2016-10-13 | スタンレー電気株式会社 | 車両用灯具 |
EP3081847A1 (en) * | 2015-04-16 | 2016-10-19 | Lextar Electronics Corp. | Vehicle lamp |
CN108351084A (zh) * | 2016-11-22 | 2018-07-31 | Zkw集团有限责任公司 | 机动车探照灯的照明装置 |
EP3643963A1 (en) * | 2013-05-27 | 2020-04-29 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
DE102009052321B4 (de) | 2009-11-07 | 2020-06-18 | Volkswagen Ag | Kraftfahrzeug-Beleuchtungseinrichtung |
WO2020218085A1 (ja) * | 2019-04-22 | 2020-10-29 | スタンレー電気株式会社 | 車両用前照灯 |
EP4264120A1 (fr) * | 2020-12-18 | 2023-10-25 | Valeo Vision | Projecteur automobile avec plusieurs modules d'éclairage sur une platine commune inclinée |
WO2024094530A1 (fr) * | 2022-11-06 | 2024-05-10 | Valeo Vision | Dispositif d'éclairage |
JP7540299B2 (ja) | 2020-10-30 | 2024-08-27 | 市光工業株式会社 | 車両用前照灯 |
EP4365489A4 (en) * | 2021-06-30 | 2025-07-09 | Ichikoh Industries Ltd | VEHICLE HEADLIGHT |
US12366338B2 (en) | 2021-06-30 | 2025-07-22 | Ichikoh Industries, Ltd. | Vehicle lamp |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005071818A (ja) * | 2003-08-25 | 2005-03-17 | Ichikoh Ind Ltd | 車両用灯具 |
JP2005317226A (ja) * | 2004-04-27 | 2005-11-10 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2006085922A (ja) * | 2004-09-14 | 2006-03-30 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2006092887A (ja) * | 2004-09-24 | 2006-04-06 | Stanley Electric Co Ltd | 灯具 |
-
2006
- 2006-06-01 JP JP2006153872A patent/JP4735424B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005071818A (ja) * | 2003-08-25 | 2005-03-17 | Ichikoh Ind Ltd | 車両用灯具 |
JP2005317226A (ja) * | 2004-04-27 | 2005-11-10 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP2006085922A (ja) * | 2004-09-14 | 2006-03-30 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2006092887A (ja) * | 2004-09-24 | 2006-04-06 | Stanley Electric Co Ltd | 灯具 |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009131126A1 (ja) * | 2008-04-22 | 2009-10-29 | 株式会社小糸製作所 | 車両用灯具 |
JP2009266437A (ja) * | 2008-04-22 | 2009-11-12 | Koito Mfg Co Ltd | 車両用灯具 |
JP2009280151A (ja) * | 2008-05-23 | 2009-12-03 | Honda Access Corp | 車両用照明装置 |
US7946742B2 (en) | 2008-05-23 | 2011-05-24 | Honda Access Corporation | In-vehicle illuminating device |
JP2010055888A (ja) * | 2008-08-27 | 2010-03-11 | Koito Mfg Co Ltd | 車両用灯具ユニット |
EP2159479B1 (en) * | 2008-08-27 | 2017-01-11 | Koito Manufacturing Co., Ltd. | Vehicle lamp unit |
JP2010073432A (ja) * | 2008-09-17 | 2010-04-02 | Ichikoh Ind Ltd | 車両用前照灯 |
DE102009052321B4 (de) | 2009-11-07 | 2020-06-18 | Volkswagen Ag | Kraftfahrzeug-Beleuchtungseinrichtung |
JP2012059608A (ja) * | 2010-09-10 | 2012-03-22 | Stanley Electric Co Ltd | 車両用灯具ユニット |
EP3643963A1 (en) * | 2013-05-27 | 2020-04-29 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
JP2016181379A (ja) * | 2015-03-24 | 2016-10-13 | スタンレー電気株式会社 | 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 |
CN106051572A (zh) * | 2015-04-16 | 2016-10-26 | 隆达电子股份有限公司 | 车用灯具 |
EP3081847A1 (en) * | 2015-04-16 | 2016-10-19 | Lextar Electronics Corp. | Vehicle lamp |
CN108351084A (zh) * | 2016-11-22 | 2018-07-31 | Zkw集团有限责任公司 | 机动车探照灯的照明装置 |
CN108351084B (zh) * | 2016-11-22 | 2020-07-10 | Zkw集团有限责任公司 | 机动车探照灯的照明装置 |
WO2020218085A1 (ja) * | 2019-04-22 | 2020-10-29 | スタンレー電気株式会社 | 車両用前照灯 |
JP7540299B2 (ja) | 2020-10-30 | 2024-08-27 | 市光工業株式会社 | 車両用前照灯 |
US12092283B2 (en) | 2020-10-30 | 2024-09-17 | Ichikoh Industries, Ltd. | Vehicular headlamp with coplanar low-beam and high-beam light sources |
EP4264120A1 (fr) * | 2020-12-18 | 2023-10-25 | Valeo Vision | Projecteur automobile avec plusieurs modules d'éclairage sur une platine commune inclinée |
EP4365489A4 (en) * | 2021-06-30 | 2025-07-09 | Ichikoh Industries Ltd | VEHICLE HEADLIGHT |
US12366338B2 (en) | 2021-06-30 | 2025-07-22 | Ichikoh Industries, Ltd. | Vehicle lamp |
WO2024094530A1 (fr) * | 2022-11-06 | 2024-05-10 | Valeo Vision | Dispositif d'éclairage |
FR3141750A1 (fr) * | 2022-11-06 | 2024-05-10 | Valeo Vision | Dispositif d’éclairage |
Also Published As
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