JP2009199938A - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
- Publication number
- JP2009199938A JP2009199938A JP2008041743A JP2008041743A JP2009199938A JP 2009199938 A JP2009199938 A JP 2009199938A JP 2008041743 A JP2008041743 A JP 2008041743A JP 2008041743 A JP2008041743 A JP 2008041743A JP 2009199938 A JP2009199938 A JP 2009199938A
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- Prior art keywords
- light
- projection lens
- focal point
- light source
- reflector
- 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
-
- 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
- F21S41/275—Lens surfaces, e.g. coatings or surface structures
-
- 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
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- 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]
Abstract
【解決手段】 プロジェクタイプの車両用前照灯10は、主として半導体素子を備えた半導体光源20と、半導体光源20からの光を反射する回転楕円面系の反射面を有するリフレクタ30と、リフレクタ30からの光の一部を上端縁により遮光して、所定の配光パターンに適したカットオフラインを形成するように、リフレクタの第2の焦点F2付近に配置されたシェード40と、シェード40の上端縁近傍に焦点F3が位置するよう配置された投影レンズ50と、から構成される。半導体光源20が投影レンズ50の焦点F3を基準に光軸から下側に45°以下の範囲内で傾けられ、投影レンズ50の上側と下側に、下側の面積が大となる光分散部52,54を有している。
【選択図】 図1
Description
Claims (3)
- 半導体素子を備えた半導体光源と、
前記半導体光源の近傍に第1の焦点が位置し、前記半導体光源からの光が第2の焦点に向かって反射するように形成された回転楕円面系の反射面を有するリフレクタと、
前記リフレクタからの光の一部を上端縁により遮光して、所定の配光パターンに適したカットオフラインを形成するように、前記リフレクタの第2の焦点付近に配置されたシェードと、
前記シェードの上端縁近傍に焦点が位置するよう配置された投影レンズと、を備え、
前記半導体光源が前記投影レンズの焦点を基準に光軸から下側に45°以下の範囲内で傾けられ、前記投影レンズは上側と下側に、下側の面積が大となる光分散部を有することを特徴とする車両用前照灯。 - 前記投影レンズが透明性を有する熱可塑性樹脂である請求項1記載の車両用前照灯。
- 前記光分散部が前記投影レンズに一体成型されている請求項1又は2記載の車両用前照灯。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008041743A JP5212785B2 (ja) | 2008-02-22 | 2008-02-22 | 車両用前照灯 |
US12/391,228 US8070339B2 (en) | 2008-02-22 | 2009-02-23 | Vehicle lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008041743A JP5212785B2 (ja) | 2008-02-22 | 2008-02-22 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009199938A true JP2009199938A (ja) | 2009-09-03 |
JP5212785B2 JP5212785B2 (ja) | 2013-06-19 |
Family
ID=41143226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008041743A Active JP5212785B2 (ja) | 2008-02-22 | 2008-02-22 | 車両用前照灯 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8070339B2 (ja) |
JP (1) | JP5212785B2 (ja) |
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EP2366940A2 (en) | 2010-03-01 | 2011-09-21 | Stanley Electric Co., Ltd. | Motorcycle projector headlight |
JP2012018840A (ja) * | 2010-07-08 | 2012-01-26 | Koito Mfg Co Ltd | 灯具ユニット |
CN102798066A (zh) * | 2011-05-25 | 2012-11-28 | 现代摩比斯株式会社 | 用于车辆的前灯设备 |
CN102901021A (zh) * | 2011-07-26 | 2013-01-30 | 株式会社小糸制作所 | 车辆用灯具 |
JP2013211141A (ja) * | 2012-03-30 | 2013-10-10 | Stanley Electric Co Ltd | 車両用灯具 |
JP2013258064A (ja) * | 2012-06-13 | 2013-12-26 | Stanley Electric Co Ltd | 光学系 |
JP2014026741A (ja) * | 2012-07-24 | 2014-02-06 | Stanley Electric Co Ltd | プロジェクタ型前照灯 |
JP2014059982A (ja) * | 2012-09-14 | 2014-04-03 | Ichikoh Ind Ltd | 車両用灯具 |
JP2014063604A (ja) * | 2012-09-20 | 2014-04-10 | Ichikoh Ind Ltd | 車両用灯具 |
JP2014071958A (ja) * | 2012-09-27 | 2014-04-21 | Koito Mfg Co Ltd | 車両用灯具 |
KR101397602B1 (ko) | 2012-11-28 | 2014-05-27 | 주식회사 에스엘 서봉 | 차량용 램프 어셈블리 |
WO2014080748A1 (ja) | 2012-11-20 | 2014-05-30 | 市光工業株式会社 | 車両用前照灯 |
KR101410878B1 (ko) * | 2013-01-11 | 2014-06-23 | 주식회사 에이엠에스 | 자동차용 전조등 |
JP2014154323A (ja) * | 2013-02-07 | 2014-08-25 | Koito Mfg Co Ltd | 灯具ユニットおよび投影レンズ |
EP2306078A3 (en) * | 2009-10-05 | 2015-11-11 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
JP2016072228A (ja) * | 2014-09-22 | 2016-05-09 | ヒュンダイ・モービス・カンパニー・リミテッド | 色収差が低減されたランプレンズおよびそれを用いた車両用ランプ |
JP2017073344A (ja) * | 2015-10-09 | 2017-04-13 | 株式会社小糸製作所 | 車両用灯具 |
WO2017199841A1 (ja) * | 2016-05-16 | 2017-11-23 | スタンレー電気株式会社 | プロジェクタ型前照灯 |
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Cited By (36)
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EP2306078A3 (en) * | 2009-10-05 | 2015-11-11 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
JP2011086580A (ja) * | 2009-10-19 | 2011-04-28 | Stanley Electric Co Ltd | 車両用前照灯 |
EP2366940A2 (en) | 2010-03-01 | 2011-09-21 | Stanley Electric Co., Ltd. | Motorcycle projector headlight |
JP2012018840A (ja) * | 2010-07-08 | 2012-01-26 | Koito Mfg Co Ltd | 灯具ユニット |
CN102798066A (zh) * | 2011-05-25 | 2012-11-28 | 现代摩比斯株式会社 | 用于车辆的前灯设备 |
CN102901021A (zh) * | 2011-07-26 | 2013-01-30 | 株式会社小糸制作所 | 车辆用灯具 |
JP2013211141A (ja) * | 2012-03-30 | 2013-10-10 | Stanley Electric Co Ltd | 車両用灯具 |
JP2013258064A (ja) * | 2012-06-13 | 2013-12-26 | Stanley Electric Co Ltd | 光学系 |
JP2014026741A (ja) * | 2012-07-24 | 2014-02-06 | Stanley Electric Co Ltd | プロジェクタ型前照灯 |
JP2014059982A (ja) * | 2012-09-14 | 2014-04-03 | Ichikoh Ind Ltd | 車両用灯具 |
JP2014063604A (ja) * | 2012-09-20 | 2014-04-10 | Ichikoh Ind Ltd | 車両用灯具 |
JP2014071958A (ja) * | 2012-09-27 | 2014-04-21 | Koito Mfg Co Ltd | 車両用灯具 |
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WO2014080748A1 (ja) | 2012-11-20 | 2014-05-30 | 市光工業株式会社 | 車両用前照灯 |
KR101397602B1 (ko) | 2012-11-28 | 2014-05-27 | 주식회사 에스엘 서봉 | 차량용 램프 어셈블리 |
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KR101410878B1 (ko) * | 2013-01-11 | 2014-06-23 | 주식회사 에이엠에스 | 자동차용 전조등 |
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US20090257240A1 (en) | 2009-10-15 |
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