JP5640306B2 - 灯具ユニット - Google Patents
灯具ユニット Download PDFInfo
- Publication number
- JP5640306B2 JP5640306B2 JP2011055622A JP2011055622A JP5640306B2 JP 5640306 B2 JP5640306 B2 JP 5640306B2 JP 2011055622 A JP2011055622 A JP 2011055622A JP 2011055622 A JP2011055622 A JP 2011055622A JP 5640306 B2 JP5640306 B2 JP 5640306B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- projection lens
- light source
- lamp unit
- port
- 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
- F21S41/10—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
- 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
- F21W2102/14—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 vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users
- F21W2102/145—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 vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users wherein the light is emitted between two parallel vertical cutoff lines, e.g. selectively emitted rectangular-shaped high beam
Description
Rについて説明する。
定的に解釈されるものではない。本発明はその精神または主要な特徴から逸脱することな
く他の様々な形で実施することができる。
Claims (3)
- 車両用前照灯に用いられるプロジェクタ型の灯具ユニットにおいて、
投影レンズと、
前記投影レンズと前記投影レンズの後側焦点との間に配置され、前記投影レンズの光軸に直交する平面に対して前記投影レンズ側に略45°傾斜した平面鏡を含む反射面と、
前記平面鏡を対称面として前記投影レンズの後側焦点に対して面対称の位置又はその近傍に配置され、前記反射面で反射されて前記投影レンズを透過する光を放射する光源と、
を備えており、
前記反射面は、前記投影レンズによって投影される前記光源の光源像の上部が上方向に拡散するように前記光源から見て凹形状に湾曲した反射領域を含んでいることを特徴とする灯具ユニット。 - 前記光源は、一端である入射口が下方に配置され、他端である出射口が上方に配置され、かつ、内周面に反射面が形成された複数の筒部と、前記筒部の一端である入射口から当該筒部内に入射し前記反射面で反射されて前記筒部の他端である出射口から出射する光を発光する複数の発光素子と、を備えており、
前記複数の筒部の出射口は、前記平面鏡を対称面として前記投影レンズの後側焦点に対して面対称の位置又はその近傍に、前記投影レンズの光軸に対して直交する方向かつ略水平方向に一列に隣接配置されており、
前記複数の筒部の出射口のうち互いに隣接する出射口は、同一のエッジを含んで構成されるとともに当該同一のエッジで仕切られており、
前記複数の筒部はそれぞれ、前記出射口から前記入射口に向かうにつれ略錐体状に狭まる形状に構成されていることを特徴とする請求項1に記載の灯具ユニット。 - 前記複数の筒部はそれぞれ、前記入射口としての一端面と前記出射口としての他端面と、前記反射面が形成された内周面としての外周面とを含み、かつ、前記他端面から前記一端面に向かうにつれ略錐体状に狭まる中実の略錐体形状のレンズ体であることを特徴とする請求項2に記載の灯具ユニット。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011055622A JP5640306B2 (ja) | 2011-03-14 | 2011-03-14 | 灯具ユニット |
EP12001700.9A EP2500628B1 (en) | 2011-03-14 | 2012-03-13 | Vehicle headlamp |
US13/420,598 US20120236561A1 (en) | 2011-03-14 | 2012-03-14 | Lighting unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011055622A JP5640306B2 (ja) | 2011-03-14 | 2011-03-14 | 灯具ユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012190754A JP2012190754A (ja) | 2012-10-04 |
JP5640306B2 true JP5640306B2 (ja) | 2014-12-17 |
Family
ID=47083687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011055622A Active JP5640306B2 (ja) | 2011-03-14 | 2011-03-14 | 灯具ユニット |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5640306B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2998036B1 (fr) * | 2012-11-12 | 2015-05-01 | Valeo Vision | Module d'eclairage pour projecteur de vehicule automobile comprenant plusieurs sources lumineuses |
JP6169183B2 (ja) * | 2013-11-18 | 2017-07-26 | 日立マクセル株式会社 | 固体光源装置とこれを用いた車両用灯具、映像表示装置、及び固体光源装置の駆動方法 |
KR102460851B1 (ko) * | 2015-09-04 | 2022-10-31 | 현대모비스 주식회사 | 하이빔 구현을 위한 차량용 램프 |
JP6966878B2 (ja) * | 2017-06-13 | 2021-11-17 | 株式会社小糸製作所 | 車両用灯具 |
JP6339275B2 (ja) * | 2017-06-27 | 2018-06-06 | マクセル株式会社 | 固体光源装置とこれを用いた車両用灯具、映像表示装置、及び固体光源装置の駆動方法 |
JP7143716B2 (ja) * | 2018-10-10 | 2022-09-29 | 市光工業株式会社 | 車両用導光体および車両用灯具 |
CN109973931B (zh) * | 2019-05-08 | 2024-04-16 | 成都恒坤光电科技有限公司 | 一种车灯近光照明分光反射器、光学装置及汽车前照灯总成 |
JP2021174739A (ja) * | 2020-04-30 | 2021-11-01 | 船井電機株式会社 | 投光装置および車両用投光装置 |
-
2011
- 2011-03-14 JP JP2011055622A patent/JP5640306B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2012190754A (ja) | 2012-10-04 |
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