JP5666977B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP5666977B2 JP5666977B2 JP2011098748A JP2011098748A JP5666977B2 JP 5666977 B2 JP5666977 B2 JP 5666977B2 JP 2011098748 A JP2011098748 A JP 2011098748A JP 2011098748 A JP2011098748 A JP 2011098748A JP 5666977 B2 JP5666977 B2 JP 5666977B2
- Authority
- JP
- Japan
- Prior art keywords
- led
- light
- opening
- reflector
- vehicular lamp
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
-
- 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]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel 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]
- F21S41/151—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
- F21S41/10—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
- F21S41/10—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
- 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
- F21S41/323—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
- 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
- F21S41/39—Attachment 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
- F21S41/40—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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- 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)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Claims (4)
- LEDを搭載するためのLED搭載部と、
前記LEDの発光面の正面に配置された、前記LEDからの光が入射される第1開口部と、前記第1開口部から入射した光を反射する反射部と、前記反射部で反射した光を出射する第2開口部とを有するリフレクタと、
前記リフレクタから出射された光を制御して前方に出射する光学部材と、
を備える車両用灯具であって、
前記第1開口部の面積を、前記LEDの発光面の面積よりも小さく形成したことを特徴とする車両用灯具。 - 前記リフレクタは、前記LEDから発生する熱を放熱するための放熱部を有することを特徴とする請求項1に記載の車両用灯具。
- 前記リフレクタにおける前記第2開口部の周縁部は、光の反射を低減するための反射率低減処理が施されていることを特徴とする請求項1または2に記載の車両用灯具。
- 前記光学部材は、前記第2開口部の像を反転投影する投影レンズであり、
前記第2開口部の開口形状は、所定のカットオフラインを有するロービーム配光パターンに対応した形状に形成されていることを特徴とする請求項1から3のいずれかに記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011098748A JP5666977B2 (ja) | 2011-04-26 | 2011-04-26 | 車両用灯具 |
EP12164740.8A EP2518393B1 (en) | 2011-04-26 | 2012-04-19 | Vehicular lamp |
CN201210127428.3A CN102759056B (zh) | 2011-04-26 | 2012-04-26 | 车辆用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011098748A JP5666977B2 (ja) | 2011-04-26 | 2011-04-26 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012230834A JP2012230834A (ja) | 2012-11-22 |
JP5666977B2 true JP5666977B2 (ja) | 2015-02-12 |
Family
ID=45999686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011098748A Expired - Fee Related JP5666977B2 (ja) | 2011-04-26 | 2011-04-26 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2518393B1 (ja) |
JP (1) | JP5666977B2 (ja) |
CN (1) | CN102759056B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6089686B2 (ja) * | 2012-12-25 | 2017-03-08 | 日亜化学工業株式会社 | 発光装置 |
JP6261303B2 (ja) * | 2013-11-29 | 2018-01-17 | スタンレー電気株式会社 | 車両用灯具 |
JP2016018921A (ja) * | 2014-07-09 | 2016-02-01 | 日本電気硝子株式会社 | 波長変換部材及び発光デバイス |
JP6476663B2 (ja) * | 2014-08-29 | 2019-03-06 | 市光工業株式会社 | 車両用灯具 |
JP6332294B2 (ja) * | 2015-11-30 | 2018-05-30 | 日亜化学工業株式会社 | 発光装置 |
KR101962322B1 (ko) * | 2016-01-12 | 2019-07-17 | 루미리즈 홀딩 비.브이. | 광학 소자의 정확한 위치 설정을 하는 조명 장치 |
JP2017130309A (ja) * | 2016-01-19 | 2017-07-27 | スタンレー電気株式会社 | 車両用前照灯 |
EP3444525B1 (en) * | 2016-04-13 | 2020-10-07 | Koito Manufacturing Co., Ltd. | Light emitting unit and vehicle lamp fitting |
DE102017111447A1 (de) * | 2017-05-24 | 2018-11-29 | Automotive Lighting Reutlingen Gmbh | LED-Lichtmodul für einen Kraftfahrzeugscheinwerfer |
CN113167465B (zh) * | 2018-12-06 | 2023-03-17 | 京瓷株式会社 | 车辆用灯具以及车辆 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2402797A3 (en) * | 2001-12-14 | 2012-08-08 | QUALCOMM MEMS Technologies, Inc. | Uniform illumination system |
JP4080780B2 (ja) * | 2002-04-23 | 2008-04-23 | 株式会社小糸製作所 | 光源ユニット |
JP4339156B2 (ja) * | 2004-03-18 | 2009-10-07 | 株式会社小糸製作所 | 車両用灯具ユニット |
JP4265560B2 (ja) | 2005-03-31 | 2009-05-20 | 市光工業株式会社 | 車両用灯具 |
DE102005014754A1 (de) * | 2005-03-31 | 2006-10-05 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | KFZ-Scheinwerfer |
JP2007179993A (ja) * | 2005-12-28 | 2007-07-12 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2007235079A (ja) * | 2006-03-01 | 2007-09-13 | Ikuo Iwai | 発光装置 |
AT504668B1 (de) * | 2007-01-11 | 2008-07-15 | Zizala Lichtsysteme Gmbh | Totalreflexionsoptik-system für einen scheinwerfer oder eine lichteinheit eines kraftfahrzeuges |
JP2008226707A (ja) * | 2007-03-14 | 2008-09-25 | Koito Mfg Co Ltd | 車両用灯具 |
US7717597B2 (en) * | 2007-04-16 | 2010-05-18 | Magna International Inc. | Semiconductor light engine using polymer light pipes and lighting systems constructed with the light engine |
JP5150133B2 (ja) * | 2007-05-08 | 2013-02-20 | スタンレー電気株式会社 | 前照灯光源用ledランプ |
US7686486B2 (en) * | 2007-06-30 | 2010-03-30 | Osram Sylvania Inc. | LED lamp module |
DE102008033416A1 (de) * | 2008-07-16 | 2010-01-21 | Osram Gesellschaft mit beschränkter Haftung | Halterungsrahmen |
JP5257665B2 (ja) * | 2008-08-20 | 2013-08-07 | スタンレー電気株式会社 | 車両用前照灯ユニット及び車両用前照灯 |
JP5281359B2 (ja) * | 2008-10-30 | 2013-09-04 | 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 |
JP5133862B2 (ja) * | 2008-12-09 | 2013-01-30 | 株式会社小糸製作所 | 車両用照明灯具 |
CN201787459U (zh) * | 2010-06-22 | 2011-04-06 | 广东聚科照明股份有限公司 | 一种大功率led光源灯 |
-
2011
- 2011-04-26 JP JP2011098748A patent/JP5666977B2/ja not_active Expired - Fee Related
-
2012
- 2012-04-19 EP EP12164740.8A patent/EP2518393B1/en not_active Not-in-force
- 2012-04-26 CN CN201210127428.3A patent/CN102759056B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP2518393A3 (en) | 2018-04-18 |
JP2012230834A (ja) | 2012-11-22 |
CN102759056A (zh) | 2012-10-31 |
EP2518393B1 (en) | 2019-02-27 |
CN102759056B (zh) | 2014-08-27 |
EP2518393A2 (en) | 2012-10-31 |
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