JP6631053B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6631053B2 JP6631053B2 JP2015133348A JP2015133348A JP6631053B2 JP 6631053 B2 JP6631053 B2 JP 6631053B2 JP 2015133348 A JP2015133348 A JP 2015133348A JP 2015133348 A JP2015133348 A JP 2015133348A JP 6631053 B2 JP6631053 B2 JP 6631053B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflection surface
- reflection
- light source
- projection lens
- 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.)
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Classifications
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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
- F21S41/30—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
- F21S41/20—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
- F21S41/30—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
- F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity
-
- 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
- F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
- F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
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- 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)
Description
2 光源部
20 光源
3 ヒートシンク
4 リフレクタ
40 反射面
5 反射部材
50 第1反射面
51 主反射部
55 光抑制部
6 投影レンズ
7 シェード部
70 板状部材(第1板状部材)
71 板状部材(第2板状部材)
73 第2反射面
F レンズ焦点
Ax レンズ軸
Claims (5)
- 光源と、
前記光源からの光を前方に反射させる反射面を備えるリフレクタと、
入射した光を前方に照射する投影レンズと、
前記投影レンズのレンズ焦点近傍に配置される板状部材と、
前記リフレクタと前記投影レンズとの間に配置され、前記リフレクタの前端に接続され、前記光源からの光を前記板状部材側に反射させる第1反射面を備える反射部材と、を有し、
前記板状部材は、
前記投影レンズに入射する光の一部を遮蔽して配光パターンのカットオフラインを形成するシェード部をなすとともに、
前記第1反射面からの反射光をオーバーヘッドサイン用配光パターンとして前記投影レンズ側に反射させる第2反射面を備え、
前記反射部材の前記第1反射面は、
前記光源からの光を反射させて前記第2反射面に入射させる主反射部と、
前記光源からの光を反射させる反射面をなすとともに、上方から下方に向けて窪むと共に車両前後方向に延びる下向き凸部を形成し、光源からの光を前記板状部材と前記投影レンズとの間に反射させることにより前記光源からの光が前記第2反射面へ入射することを抑制する光抑制部と、
を備えることを特徴とする車両用灯具。 - 前記板状部材の上端エッジは、前記カットオフラインを形成する前記シェード部の上端エッジをなすとともに、前記第2反射面の反射領域の上端エッジとして共用されることを特徴とする請求項1に記載された車両用灯具。
- 前記光抑制部は、前記オーバーヘッドサイン用配光パターンのうち下側中央部の配光をなす光の光路に対応して配置されることを特徴とする請求項1又は2に記載された車両用灯具。
- 前記光抑制部の表面には光拡散部としてのローレットが形成されていることを特徴とする請求項1から3のいずれかに記載された車両用灯具。
- 前記主反射部は、前記光抑制部の前側の前側領域、及び前記光抑制部の車両左右方向の領域であって前記前側領域の後側の後側領域を有し、前記光源からの光を前記前側領域及び前記後側領域で反射させて前記第2反射面に入射させ、
前記光抑制部は、前記光源からの光が前記第2反射面に入射されるのを抑制し、
オーバーヘッドサイン用配光パターンの上側中央部を配光しつつ下側中央部の配光を前記上側中央部よりも欠落させる、
ことを特徴とする請求項1から4のいずれかに記載された車両用灯具。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015133348A JP6631053B2 (ja) | 2015-07-02 | 2015-07-02 | 車両用灯具 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015133348A JP6631053B2 (ja) | 2015-07-02 | 2015-07-02 | 車両用灯具 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017016913A JP2017016913A (ja) | 2017-01-19 |
| JP6631053B2 true JP6631053B2 (ja) | 2020-01-15 |
Family
ID=57831028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015133348A Active JP6631053B2 (ja) | 2015-07-02 | 2015-07-02 | 車両用灯具 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6631053B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534085B (zh) * | 2018-05-10 | 2023-05-30 | 华域视觉科技(上海)有限公司 | 一种用于pes近光模组的反射镜 |
| CN112393199B (zh) * | 2019-08-12 | 2025-12-19 | 华域视觉科技(上海)有限公司 | 车灯光学机构、车灯近光iii区形成装置、车灯模组及车辆 |
| JPWO2024203061A1 (ja) * | 2023-03-24 | 2024-10-03 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006344521A (ja) * | 2005-06-09 | 2006-12-21 | Ichikoh Ind Ltd | 車両用灯具 |
| JP4694438B2 (ja) * | 2006-08-01 | 2011-06-08 | スタンレー電気株式会社 | 車両前照灯 |
| JP4781951B2 (ja) * | 2006-09-19 | 2011-09-28 | 株式会社小糸製作所 | 車両用灯具ユニット及び車両用灯具 |
| JP5323449B2 (ja) * | 2008-10-30 | 2013-10-23 | 株式会社小糸製作所 | 車両用灯具ユニット及び車両用灯具 |
| JP5514666B2 (ja) * | 2010-08-09 | 2014-06-04 | 株式会社小糸製作所 | 車両用前照灯 |
| JP6154169B2 (ja) * | 2013-03-29 | 2017-06-28 | 株式会社小糸製作所 | 車両用前照灯 |
| JP6171172B2 (ja) * | 2013-08-02 | 2017-08-02 | 市光工業株式会社 | 車両用灯具 |
| JP6219119B2 (ja) * | 2013-10-21 | 2017-10-25 | 株式会社小糸製作所 | 車両用灯具 |
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2015
- 2015-07-02 JP JP2015133348A patent/JP6631053B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017016913A (ja) | 2017-01-19 |
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