JP5874901B2 - 車両用灯具ユニット - Google Patents
車両用灯具ユニット Download PDFInfo
- Publication number
- JP5874901B2 JP5874901B2 JP2011199844A JP2011199844A JP5874901B2 JP 5874901 B2 JP5874901 B2 JP 5874901B2 JP 2011199844 A JP2011199844 A JP 2011199844A JP 2011199844 A JP2011199844 A JP 2011199844A JP 5874901 B2 JP5874901 B2 JP 5874901B2
- Authority
- JP
- Japan
- Prior art keywords
- emitting element
- light emitting
- semiconductor light
- projection lens
- reflecting surface
- 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.)
- Expired - Fee Related
Links
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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/265—Composite lenses; Lenses with a patch-like shape
-
- 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
-
- 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
- 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
- F21S41/10—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
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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)
Description
Claims (1)
- 車両前後方向に延びる光軸上に配置された投影レンズと、
前記投影レンズと組み合わされて第1ランプを構成する第1ランプ構成要素と、
前記投影レンズと組み合わされて第2ランプを構成する第2ランプ構成要素と、
を備えており、
前記第1ランプ構成要素は、
前記投影レンズの車両後方側焦点より後方側かつ前記光軸近傍に、略上向きに光を放射するように配置された第1半導体発光素子と、
第1焦点が前記第1半導体発光素子近傍に設定され、第2焦点が前記投影レンズの車両後方側焦点近傍に設定された回転楕円系の反射面であって、前記第1半導体発光素子からの光が入射するように、前記第1半導体発光素子の上方に配置された第1反射面と、
前記第1半導体発光素子からの光の一部を遮光するように、前記投影レンズと前記第1半導体発光素子との間に配置された第1シェードと、
を備えており、
前記第2ランプ構成要素は、
前記第1半導体発光素子からの光のうち前記投影レンズを透過する光の光路と前記第1シェードとの間のスペースに、前記投影レンズを透過する光を遮らないように配置された第2半導体発光素子及び第2反射面と、を備えており、
前記第2半導体発光素子は、前記投影レンズの焦点位置と前記投影レンズとの間で、かつ、前記第2反射面の焦点近傍に位置し、略上向きに光を放射するように前記スペースの前記光軸よりも下方に配置されており、
前記第2反射面は、前記第2半導体発光素子からの光が入射するように、前記投影レンズの焦点位置と前記投影レンズとの間で、かつ、前記第2半導体発光素子の上方に配置されるとともに、前記第2半導体発光素子の車両後方側の側方から当該第2半導体発光素子の光軸近傍まで前方斜め上方に向かって延びた上下左右に拡散する放物面基調の反射面であって、当該第2反射面で反射される前記第2半導体発光素子からの光が上下左右に拡散反射され、前記投影レンズの光軸よりも下方の部分を透過して仮想鉛直スクリーン上に水平線H−Hより上及び下で水平方向に拡がる配光パターンを形成するように前記スペースの前記光軸よりも下方に配置されていることを特徴とする車両用灯具ユニット。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011199844A JP5874901B2 (ja) | 2011-09-13 | 2011-09-13 | 車両用灯具ユニット |
| EP20120006319 EP2570715A3 (en) | 2011-09-13 | 2012-09-07 | Vehicle headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011199844A JP5874901B2 (ja) | 2011-09-13 | 2011-09-13 | 車両用灯具ユニット |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013062147A JP2013062147A (ja) | 2013-04-04 |
| JP5874901B2 true JP5874901B2 (ja) | 2016-03-02 |
Family
ID=46851786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011199844A Expired - Fee Related JP5874901B2 (ja) | 2011-09-13 | 2011-09-13 | 車両用灯具ユニット |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2570715A3 (ja) |
| JP (1) | JP5874901B2 (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014212089A (ja) * | 2013-04-22 | 2014-11-13 | 株式会社小糸製作所 | 車両用灯具 |
| TWI535971B (zh) | 2015-04-16 | 2016-06-01 | 隆達電子股份有限公司 | 車用燈具 |
| JP6764257B2 (ja) * | 2016-05-27 | 2020-09-30 | 株式会社小糸製作所 | 車両用灯具 |
| CN108302483A (zh) * | 2016-09-02 | 2018-07-20 | 法雷奥照明湖北技术中心有限公司 | 用于机动车辆的照明装置及其制造方法 |
| CN108302449A (zh) * | 2016-09-02 | 2018-07-20 | 法雷奥照明湖北技术中心有限公司 | 用于机动车辆的照明装置及其制造方法 |
| JP7423300B2 (ja) * | 2019-12-19 | 2024-01-29 | スタンレー電気株式会社 | 車両用灯具 |
| FR3125861B1 (fr) * | 2021-07-30 | 2023-10-06 | Valeo Vision | Module d’eclairage automobile matriciel etendu |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4258465B2 (ja) * | 2004-12-01 | 2009-04-30 | 市光工業株式会社 | 車両用前照灯ユニット |
| JP4413762B2 (ja) * | 2004-12-07 | 2010-02-10 | 株式会社小糸製作所 | 車両用照明灯具 |
| JP4663548B2 (ja) * | 2006-02-24 | 2011-04-06 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
| JP4969958B2 (ja) * | 2006-09-13 | 2012-07-04 | 株式会社小糸製作所 | 車両用灯具 |
| JP2008123753A (ja) * | 2006-11-09 | 2008-05-29 | Koito Mfg Co Ltd | 車両用灯具ユニット |
| JP5264448B2 (ja) * | 2008-12-02 | 2013-08-14 | 株式会社小糸製作所 | 投射型の車両用灯具 |
-
2011
- 2011-09-13 JP JP2011199844A patent/JP5874901B2/ja not_active Expired - Fee Related
-
2012
- 2012-09-07 EP EP20120006319 patent/EP2570715A3/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP2570715A3 (en) | 2015-05-13 |
| EP2570715A2 (en) | 2013-03-20 |
| JP2013062147A (ja) | 2013-04-04 |
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