JP5233686B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP5233686B2 JP5233686B2 JP2009004689A JP2009004689A JP5233686B2 JP 5233686 B2 JP5233686 B2 JP 5233686B2 JP 2009004689 A JP2009004689 A JP 2009004689A JP 2009004689 A JP2009004689 A JP 2009004689A JP 5233686 B2 JP5233686 B2 JP 5233686B2
- Authority
- JP
- Japan
- Prior art keywords
- cut
- line
- light
- shade
- distribution pattern
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
-
- 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]
- F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
-
- 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
- F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
-
- 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]
Description
2 リフレクタ
3 半導体型光源
4 投影レンズ
5 シェード兼付加リフレクタ
6 ヒートシンク部材
7 ホルダ部
8 収束型反射面
9 基板
10 光透過部材
11 上面板部
12 左右面板部
13 前面板部
14 付加反射面
15 突起部
16 水平部(対向車線側カットオフラインを形成するカットオフライン形成部)
17 傾斜部(斜めカットオフラインを形成するカットオフライン形成部)
18 球凸部(拡散部)
19 光が弱い部分
20 減光部
21 境
22 角部(走行車線側カットオフラインを形成するカットオフライン形成部)
HL−HR 左右の水平線
VU−VD 上下の垂直線
F1 収束型反射面の第1焦点
F2 収束型反射面の第2焦点
FL 投影レンズのレンズ焦点
Z−Z 光軸(灯具光軸、ランプユニットの光軸、収束型反射面の光軸、投影レンズの光軸)
CL1、CL2、CL3 カットオフライン
E エルボー点
LP すれ違い用配光パターン
L1 半導体型光源から放射される光
L2 収束型反射面で反射される光
L3 付加反射面で反射される光
L4 球凸部で投影レンズ側に拡散反射される光
Claims (2)
- 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、
楕円を基調とする収束型反射面を有するリフレクタと、
発光部が前記収束型反射面の第1焦点もしくはその近傍に位置するように配置されている前記半導体型光源と、
レンズ焦点が前記収束型反射面の第2焦点もしくはその近傍に位置する投影レンズと、
前記投影レンズと前記半導体型光源との間に配置されていて、前記半導体型光源から放射されて前記収束型反射面で反射された反射光の一部をカットオフ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と、カットオフした反射光を前記投影レンズ側に反射させる付加反射面と、がそれぞれ設けられているシェード兼付加リフレクタと、
を備え、
前記シェード兼付加リフレクタには、前記配光パターンの対向車線側カットオフラインおよび斜めカットオフラインおよび走行車線側カットオフラインを形成するカットオフライン形成部がそれぞれ設けられていて、
前記付加反射面のうち少なくとも前記対向車線側カットオフラインを形成する前記カットオフライン形成部の近傍には、カットオフした反射光の一部を拡散させる拡散部が設けられていて、
前記拡散部は、前記付加反射面のうち、前記対向車線側カットオフラインを形成する前記カットオフライン形成部と前記斜めカットオフラインを形成する前記カットオフライン形成部との境から前記対向車線側カットオフラインを形成する前記カットオフライン形成部側の箇所に設けられていて、球凸形状をなす、
ことを特徴とする車両用灯具。 - 球凸形状をなす前記拡散部の頂点は、灯具光軸よりも前記付加反射面側に位置する、
ことを特徴とする請求項1に記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009004689A JP5233686B2 (ja) | 2009-01-13 | 2009-01-13 | 車両用灯具 |
CN2009101648237A CN101776238B (zh) | 2009-01-13 | 2009-08-07 | 车辆用灯具 |
US12/648,932 US8287165B2 (en) | 2009-01-13 | 2009-12-29 | Vehicle lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009004689A JP5233686B2 (ja) | 2009-01-13 | 2009-01-13 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010165474A JP2010165474A (ja) | 2010-07-29 |
JP5233686B2 true JP5233686B2 (ja) | 2013-07-10 |
Family
ID=42318964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009004689A Expired - Fee Related JP5233686B2 (ja) | 2009-01-13 | 2009-01-13 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8287165B2 (ja) |
JP (1) | JP5233686B2 (ja) |
CN (1) | CN101776238B (ja) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2956468B1 (fr) * | 2010-02-15 | 2015-07-10 | Valeo Vision | Dispositif optique, notamment pour vehicule automobile |
JP5620714B2 (ja) * | 2010-05-17 | 2014-11-05 | 株式会社小糸製作所 | ロービーム用灯具ユニット |
DE102011002337A1 (de) * | 2011-04-29 | 2012-10-31 | Hella Kgaa Hueck & Co. | Projektionsscheinwerfer für Fahrzeuge |
KR101234323B1 (ko) * | 2011-05-25 | 2013-02-18 | 현대모비스 주식회사 | 차량용 헤드램프 장치 |
KR101785046B1 (ko) * | 2011-08-18 | 2017-10-12 | 현대모비스 주식회사 | 차량용 램프 |
JP5848920B2 (ja) | 2011-08-30 | 2016-01-27 | スタンレー電気株式会社 | 車両用前照灯 |
JP5733129B2 (ja) * | 2011-09-20 | 2015-06-10 | 市光工業株式会社 | 車両用灯具 |
DE102012206391A1 (de) * | 2012-04-18 | 2013-10-24 | Osram Gmbh | Leuchtvorrichtung mit Schalenreflektor, Linse undzwischengeschalteter Blende |
US8894257B2 (en) * | 2012-05-17 | 2014-11-25 | Osram Sylvania Inc. | Headlamp featuring both low-beam and high-beam outputs and devoid of moving parts |
KR20130136742A (ko) * | 2012-06-05 | 2013-12-13 | 현대모비스 주식회사 | 차량용 램프 |
JP6158549B2 (ja) * | 2012-06-26 | 2017-07-05 | 株式会社小糸製作所 | 車両用前照灯 |
JP6205741B2 (ja) * | 2013-02-13 | 2017-10-04 | 市光工業株式会社 | 車両用灯具 |
DE202013001767U1 (de) * | 2013-02-23 | 2013-03-14 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugleuchte mit einem homogen hell leuchtendenErscheinigungsbild |
EP2801528B1 (en) * | 2013-05-06 | 2018-07-04 | Goodrich Lighting Systems GmbH | Strobe light unit and aircraft comprising the same |
EP3152481A1 (en) * | 2014-06-08 | 2017-04-12 | Valeo North America, LLC | Lighting device with reflector and lens generating a light pattern with cutoff line |
EP3179158A4 (en) * | 2014-08-07 | 2018-03-21 | Koito Manufacturing Co., Ltd. | Lamp for vehicles |
KR102313633B1 (ko) * | 2014-12-24 | 2021-10-18 | 에스엘 주식회사 | 헤드 램프용 로우빔 쉴드 |
TWI568973B (zh) | 2016-02-22 | 2017-02-01 | The light emitting structure of the headlight module | |
TWI600857B (zh) * | 2017-02-09 | 2017-10-01 | 可增強車燈光強度的遮光模組 | |
TWI619624B (zh) * | 2017-03-24 | 2018-04-01 | 誠益光電科技股份有限公司 | 車燈裝置及其遮板結構 |
CN107559769B (zh) * | 2017-08-18 | 2020-02-18 | 北京汽车股份有限公司 | Led近光投射单元和车辆 |
US10514145B1 (en) * | 2018-12-20 | 2019-12-24 | Valeo North America, Inc. | Optical systems for a headlamp |
CN111853701A (zh) * | 2019-04-30 | 2020-10-30 | 株洲湘火炬汽车灯具有限责任公司 | 近光车灯 |
CN113701119A (zh) * | 2021-09-02 | 2021-11-26 | 马瑞利汽车零部件(芜湖)有限公司 | 提高近光路照均匀性的光学系统及灯具 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4264319B2 (ja) * | 2003-09-24 | 2009-05-13 | 株式会社小糸製作所 | 車両用前照灯 |
JP2005209602A (ja) * | 2003-12-25 | 2005-08-04 | Ichikoh Ind Ltd | プロジェクタ型車両用灯具 |
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 |
JP4695112B2 (ja) * | 2007-03-26 | 2011-06-08 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
-
2009
- 2009-01-13 JP JP2009004689A patent/JP5233686B2/ja not_active Expired - Fee Related
- 2009-08-07 CN CN2009101648237A patent/CN101776238B/zh not_active Expired - Fee Related
- 2009-12-29 US US12/648,932 patent/US8287165B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US8287165B2 (en) | 2012-10-16 |
US20100177525A1 (en) | 2010-07-15 |
CN101776238B (zh) | 2011-11-30 |
CN101776238A (zh) | 2010-07-14 |
JP2010165474A (ja) | 2010-07-29 |
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