JP6434214B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6434214B2 JP6434214B2 JP2014021080A JP2014021080A JP6434214B2 JP 6434214 B2 JP6434214 B2 JP 6434214B2 JP 2014021080 A JP2014021080 A JP 2014021080A JP 2014021080 A JP2014021080 A JP 2014021080A JP 6434214 B2 JP6434214 B2 JP 6434214B2
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- Prior art keywords
- light source
- region
- arrangement angle
- line
- hot zone
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/068—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by mechanical means
- B60Q1/0683—Adjustable by rotation of a screw
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- 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
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- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
- F21S43/145—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
- 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
Description
Claims (4)
- 面状に発光する光源と、
前記面状光源が出射した光を前方へ反射して、エルボー点で交差する斜めカットオフライン及び水平カットオフラインを有するロービーム用配光パターンを形成するリフレクタと、を備え、
前記面状光源は、前記リフレクタの光軸に対して垂直方向に設けられ、
前記リフレクタは、その反射面に、反射特性が異なる複数のセグメントを備え、
前記セグメントは、該リフレクタを正面視して、
前記光源の発光面からの配置角が大きい領域と、前記光源の発光面からの配置角が小さい領域で、前記配光パターンのホットゾーンを形成し、
前記配置角大の領域と配置角小の領域の間となる配置角中の領域で、前記配光パターンの拡散ゾーンを形成するように構成されるとともに、
前記配置角小の領域のセグメントのうち、主に自車線走行側を照射するものは、配置角15度線と略平行な斜辺を有する台形状に形成されて、前記ホットゾーンのうちの前記エルボー点を含む前記斜めカットオフラインを含む域を照射することを特徴とする車両用前照灯。 - 前記配置角小の領域のセグメントのうち、主に自車線走行側を照射するものは、配置角15度線と略平行な斜辺を有する平行四辺形状に形成されたものをさらに備え、前記ホットゾーンのうちの前記エルボー点を含む前記斜めカットオフラインを含む域を照射することを特徴とする請求項1に記載の車両用前照灯。
- 前記配置角小の領域のセグメントのうち、主に対向車線側を照射するものは、前記ホットゾーンのうちの前記エルボー点を含む前記水平カットオフラインを含む域を照射することを特徴とする請求項1または2に記載の車両用前照灯。
- 前記配置角大の領域のセグメントのうち、少なくとも、前記配置角小の領域の水平カットオフラインを含む域を照射する側の領域で、前記面状光源からの配置距離が遠い領域のセグメントは、前記ホットゾーンのうちの前記エルボー点を含む前記斜めカットオフラインを含む域を照射することを特徴とする請求項1〜3のいずれかに記載の車両用前照灯。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014021080A JP6434214B2 (ja) | 2014-02-06 | 2014-02-06 | 車両用灯具 |
CN201580007548.1A CN105980771B (zh) | 2014-02-06 | 2015-01-13 | 车辆用前照灯 |
PCT/JP2015/050623 WO2015118905A1 (ja) | 2014-02-06 | 2015-01-13 | 車両用前照灯 |
US15/117,008 US10436402B2 (en) | 2014-02-06 | 2015-01-13 | Vehicle headlamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014021080A JP6434214B2 (ja) | 2014-02-06 | 2014-02-06 | 車両用灯具 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018210180A Division JP6755289B2 (ja) | 2018-11-08 | 2018-11-08 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015149173A JP2015149173A (ja) | 2015-08-20 |
JP6434214B2 true JP6434214B2 (ja) | 2018-12-05 |
Family
ID=53777713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014021080A Active JP6434214B2 (ja) | 2014-02-06 | 2014-02-06 | 車両用灯具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10436402B2 (ja) |
JP (1) | JP6434214B2 (ja) |
CN (1) | CN105980771B (ja) |
WO (1) | WO2015118905A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017001019A1 (de) * | 2017-02-04 | 2018-08-09 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Fahrzeugscheinwerfer |
FR3074261B1 (fr) * | 2017-11-30 | 2020-10-23 | Valeo Vision | Reflecteur pour dispositif d'eclairage |
CN209213722U (zh) * | 2018-12-07 | 2019-08-06 | 法雷奥照明湖北技术中心有限公司 | 照明模块、用于机动车辆的前照灯和机动车辆 |
JP7302233B2 (ja) | 2019-03-29 | 2023-07-04 | 市光工業株式会社 | 車両用前照灯 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7585096B2 (en) * | 2005-05-18 | 2009-09-08 | Visteon Global Technologies, Inc. | Compound trough reflector for LED light sources |
JP2008226707A (ja) * | 2007-03-14 | 2008-09-25 | Koito Mfg Co Ltd | 車両用灯具 |
JP5195296B2 (ja) * | 2008-10-30 | 2013-05-08 | 市光工業株式会社 | 車両用前照灯 |
DE102009035544B4 (de) * | 2009-07-31 | 2019-10-24 | Volkswagen Ag | Scheinwerfer in einem Kraftfahrzeug mit mehreren Halbleiterlichtquellen |
JP2011171121A (ja) | 2010-02-18 | 2011-09-01 | Ichikoh Ind Ltd | 車両用前照灯 |
JP5292425B2 (ja) * | 2010-04-09 | 2013-09-18 | 曙ブレーキ工業株式会社 | フローティング型ディスクブレーキとその組立方法並びにパッドクリップとリターンスプリングとの組立体 |
JP5582865B2 (ja) | 2010-05-12 | 2014-09-03 | 株式会社小糸製作所 | 灯具 |
JP5526453B2 (ja) | 2010-09-13 | 2014-06-18 | スタンレー電気株式会社 | 車両用前照灯 |
JP5722691B2 (ja) * | 2011-04-22 | 2015-05-27 | 株式会社小糸製作所 | 車両用前照灯 |
JP2013004167A (ja) * | 2011-06-10 | 2013-01-07 | Koito Mfg Co Ltd | 車両用前照灯 |
JP5790231B2 (ja) * | 2011-07-20 | 2015-10-07 | 市光工業株式会社 | 車両用前照灯 |
JP5945857B2 (ja) * | 2012-01-24 | 2016-07-05 | スタンレー電気株式会社 | 車両用前照灯及び導光レンズ |
JP6075969B2 (ja) | 2012-05-22 | 2017-02-08 | 株式会社小糸製作所 | 車両用前照灯 |
-
2014
- 2014-02-06 JP JP2014021080A patent/JP6434214B2/ja active Active
-
2015
- 2015-01-13 CN CN201580007548.1A patent/CN105980771B/zh active Active
- 2015-01-13 US US15/117,008 patent/US10436402B2/en active Active
- 2015-01-13 WO PCT/JP2015/050623 patent/WO2015118905A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US20170167683A1 (en) | 2017-06-15 |
JP2015149173A (ja) | 2015-08-20 |
US10436402B2 (en) | 2019-10-08 |
WO2015118905A1 (ja) | 2015-08-13 |
CN105980771A (zh) | 2016-09-28 |
CN105980771B (zh) | 2019-05-31 |
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