JP5442463B2 - 車両用ヘッドランプ - Google Patents
車両用ヘッドランプ Download PDFInfo
- Publication number
- JP5442463B2 JP5442463B2 JP2010003564A JP2010003564A JP5442463B2 JP 5442463 B2 JP5442463 B2 JP 5442463B2 JP 2010003564 A JP2010003564 A JP 2010003564A JP 2010003564 A JP2010003564 A JP 2010003564A JP 5442463 B2 JP5442463 B2 JP 5442463B2
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- light
- end opening
- projection lens
- edge
- 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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/041—Optical design with conical or pyramidal surface
-
- 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
- F21S41/30—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
- F21S41/32—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
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/26—Elongated lenses
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/06—Optical design with parabolic curvature
-
- 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 投影レンズ
4 ユニットベース
21 前端開口
22 後端開口
23 切欠き
2u 上反射面
2d 下反射面
2r 右反射面
2l 左反射面
Rx リフレクタ光軸
Lx ランプ光軸(レンズ光軸)
Claims (3)
- 前端開口が後端開口よりも大きな寸法をした角錘筒型に形成されたリフレクタと、このリフレクタの後端開口に配設される発光素子と、前記リフレクタの前端開口に対向配置される投影レンズとで構成され、前記リフレクタは軸方向の断面がそれぞれ前記発光素子を焦点とする放物線形状をした上下、左右の反射面で構成され、前記前端開口から出射される光は左右方向の出射角度が上下方向の出射角度よりも大きくなるように構成され、前記リフレクタの上反射面には前端縁から後方に向けて切欠きが形成されていることを特徴とする車両用ヘッドランプ。
- 前記リフレクタの下反射面の前端縁はロービーム配光のカットオフラインに対応した形状に形成され、前記投影レンズの後側焦点は当該前端縁の近傍位置に配置されていることを特徴とする請求項1に記載の車両用ヘッドランプ。
- 前記リフレクタ、発光素子及び投影レンズは一体的に組み立てられてランプユニットとして構成されていることを特徴とする請求項1または2に記載の車両用ヘッドランプ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010003564A JP5442463B2 (ja) | 2010-01-12 | 2010-01-12 | 車両用ヘッドランプ |
EP11732839.3A EP2525141B1 (en) | 2010-01-12 | 2011-01-06 | Vehicle headlamp |
PCT/JP2011/050116 WO2011086969A1 (ja) | 2010-01-12 | 2011-01-06 | 車両用ヘッドランプ |
CN201180005941.9A CN102713420B (zh) | 2010-01-12 | 2011-01-06 | 车辆用头灯 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010003564A JP5442463B2 (ja) | 2010-01-12 | 2010-01-12 | 車両用ヘッドランプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011146133A JP2011146133A (ja) | 2011-07-28 |
JP5442463B2 true JP5442463B2 (ja) | 2014-03-12 |
Family
ID=44304242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010003564A Expired - Fee Related JP5442463B2 (ja) | 2010-01-12 | 2010-01-12 | 車両用ヘッドランプ |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2525141B1 (ja) |
JP (1) | JP5442463B2 (ja) |
CN (1) | CN102713420B (ja) |
WO (1) | WO2011086969A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012109145A (ja) * | 2010-11-18 | 2012-06-07 | Koito Mfg Co Ltd | 灯具ユニット |
CN109958961A (zh) * | 2017-12-22 | 2019-07-02 | 斯坦雷电气株式会社 | 车辆用灯具 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9273843B2 (en) * | 2010-04-19 | 2016-03-01 | Koninklijke Philips N.V. | LED front lighting arrangement |
JP5793822B2 (ja) * | 2011-08-10 | 2015-10-14 | スタンレー電気株式会社 | 車両用前照灯用の光源ユニット及びこれを用いた車両用前照灯 |
FR2979688A1 (fr) | 2011-09-05 | 2013-03-08 | Valeo Vision | Module optique pour dispositif de signalisation et/ou d'eclairage |
FR2998036B1 (fr) * | 2012-11-12 | 2015-05-01 | Valeo Vision | Module d'eclairage pour projecteur de vehicule automobile comprenant plusieurs sources lumineuses |
WO2015001733A1 (ja) * | 2013-07-01 | 2015-01-08 | 株式会社小糸製作所 | 車両用前照灯 |
JP6471457B2 (ja) * | 2014-10-23 | 2019-02-20 | 市光工業株式会社 | 車両用灯具 |
JP6550788B2 (ja) * | 2015-02-23 | 2019-07-31 | 市光工業株式会社 | 車両用灯具 |
TWI607181B (zh) | 2015-07-06 | 2017-12-01 | 隆達電子股份有限公司 | 導光柱與使用其的車用燈具 |
JP6980377B2 (ja) * | 2016-12-15 | 2021-12-15 | 株式会社小糸製作所 | 車両用前照灯 |
CN107044610A (zh) * | 2017-04-05 | 2017-08-15 | 成都恒坤光电科技有限公司 | 一种底部入射的反光罩及采用该反光罩的车灯 |
CN106764818A (zh) * | 2017-04-05 | 2017-05-31 | 成都恒坤光电科技有限公司 | 一种反光罩及采用该反光罩的车灯 |
CN108302485A (zh) * | 2017-09-13 | 2018-07-20 | 上海小糸车灯有限公司 | 车灯用智能照明系统、车灯总成及汽车 |
JP7149062B2 (ja) * | 2017-10-25 | 2022-10-06 | スタンレー電気株式会社 | 車両用灯具ユニット |
FR3077365B1 (fr) * | 2018-01-30 | 2021-06-25 | Valeo Vision | Dispositif d'eclairage de la route a surface generatrice de caustique controlee formant un faisceau d'eclairage |
JP7130913B2 (ja) * | 2018-06-27 | 2022-09-06 | 日亜化学工業株式会社 | 光学装置および照明装置 |
JP7265922B2 (ja) * | 2019-04-22 | 2023-04-27 | スタンレー電気株式会社 | 車両用前照灯 |
CN111765426B (zh) * | 2019-05-20 | 2022-03-18 | 华域视觉科技(上海)有限公司 | 车灯用光学装置、汽车照明装置及汽车 |
CN112628683B (zh) * | 2019-10-09 | 2023-02-28 | 坦德科技股份有限公司 | 车用照明装置 |
EP3865765A1 (en) * | 2020-02-14 | 2021-08-18 | Tan de Tech Co., Ltd. | Light device for vehicle |
CN111780049A (zh) * | 2020-06-28 | 2020-10-16 | 华域视觉科技(上海)有限公司 | 一种车辆反射镜及基于此的近光单元 |
CN112944276B (zh) * | 2021-02-24 | 2021-10-01 | 华域视觉科技(上海)有限公司 | 远近光一体光学装置、汽车照明装置及汽车 |
WO2023189960A1 (ja) * | 2022-03-31 | 2023-10-05 | 株式会社小糸製作所 | 車両用灯具 |
WO2024065628A1 (zh) * | 2022-09-30 | 2024-04-04 | 珠海水立方照明科技有限公司 | 一种车灯光学系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3527391A1 (de) * | 1985-07-31 | 1987-02-05 | Bosch Gmbh Robert | Nebelscheinwerfer fuer kraftfahrzeuge |
JP3207087B2 (ja) * | 1995-07-28 | 2001-09-10 | 株式会社小糸製作所 | 車輌用灯具 |
JP2002050214A (ja) * | 2000-08-07 | 2002-02-15 | Ichikoh Ind Ltd | 車両用信号灯 |
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 |
DE102005014754A1 (de) * | 2005-03-31 | 2006-10-05 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | KFZ-Scheinwerfer |
JP2007235079A (ja) | 2006-03-01 | 2007-09-13 | Ikuo Iwai | 発光装置 |
US7513665B2 (en) * | 2006-05-16 | 2009-04-07 | Visteon Global Technologies, Inc. | Headlamp module and headlamp assembly with internally reflecting translucent member |
JP2008258001A (ja) * | 2007-04-05 | 2008-10-23 | Koito Mfg Co Ltd | 車両用前照灯の灯具ユニット |
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 |
JP5152487B2 (ja) * | 2007-11-29 | 2013-02-27 | スタンレー電気株式会社 | 車両用前照灯 |
JP5297701B2 (ja) | 2008-06-20 | 2013-09-25 | 三菱レイヨン株式会社 | 固体高分子型燃料電池用電極基材の製造方法 |
-
2010
- 2010-01-12 JP JP2010003564A patent/JP5442463B2/ja not_active Expired - Fee Related
-
2011
- 2011-01-06 WO PCT/JP2011/050116 patent/WO2011086969A1/ja active Application Filing
- 2011-01-06 CN CN201180005941.9A patent/CN102713420B/zh active Active
- 2011-01-06 EP EP11732839.3A patent/EP2525141B1/en not_active Not-in-force
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012109145A (ja) * | 2010-11-18 | 2012-06-07 | Koito Mfg Co Ltd | 灯具ユニット |
CN109958961A (zh) * | 2017-12-22 | 2019-07-02 | 斯坦雷电气株式会社 | 车辆用灯具 |
JP2019114385A (ja) * | 2017-12-22 | 2019-07-11 | スタンレー電気株式会社 | 車両用灯具 |
CN109958961B (zh) * | 2017-12-22 | 2022-09-20 | 斯坦雷电气株式会社 | 车辆用灯具 |
Also Published As
Publication number | Publication date |
---|---|
EP2525141A4 (en) | 2015-07-15 |
EP2525141A1 (en) | 2012-11-21 |
CN102713420B (zh) | 2014-11-05 |
EP2525141B1 (en) | 2018-03-07 |
WO2011086969A1 (ja) | 2011-07-21 |
CN102713420A (zh) | 2012-10-03 |
JP2011146133A (ja) | 2011-07-28 |
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