JP2014157736A - 車両用前照灯 - Google Patents
車両用前照灯 Download PDFInfo
- Publication number
- JP2014157736A JP2014157736A JP2013028092A JP2013028092A JP2014157736A JP 2014157736 A JP2014157736 A JP 2014157736A JP 2013028092 A JP2013028092 A JP 2013028092A JP 2013028092 A JP2013028092 A JP 2013028092A JP 2014157736 A JP2014157736 A JP 2014157736A
- Authority
- JP
- Japan
- Prior art keywords
- projection lens
- optical axis
- light
- focal point
- vehicle
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 97
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 description 8
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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
- F21S41/10—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
-
- 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
- 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
- F21S41/338—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector having surface portions added to its general concavity
-
- 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
-
- 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
-
- 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
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
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)
Abstract
【解決手段】第1焦点F1と第2焦点F2とを含む反射面12aと、車両前方側の出射面20と、車両後方側の入射面22と、前記入射面側の焦点とを含む非回転対称形状の投影レンズ14であって、前記出射面20は、前記投影レンズ14の焦点を通って車両前後方向に延びる前記投影レンズ14の光軸に対して傾斜した面とされ、前記入射面22は、当該入射面22から出射する前記複数の光線が前記投影レンズ14の焦点に集光する面とされ、前記反射面12aは、前記出射面20から出射して前方に照射される前記光源16からの光が前記投影レンズ14の光軸に対して均等となるように、前記第1焦点F1と第2焦点F2とを通る光軸が前記投影レンズ14の光軸に対して所定角度傾斜した状態で配置されている。
【選択図】図4
Description
Claims (5)
- 第1焦点と第2焦点とを含む回転楕円系の反射面と、
車両前方側の出射面と、車両後方側の入射面と、前記入射面側の焦点と、を含む非回転対称形状の投影レンズであって、前記焦点が前記第2焦点又はその近傍に位置した状態で、前記反射面の前方に配置された投影レンズと、
前記第1焦点又はその近傍に配置され、前記反射面で反射され、前記入射面から前記投影レンズ内部へ入射し、前記出射面から出射して前方に照射される光を放出する光源と、
を備えており、
前記出射面は、前記投影レンズの焦点を通って車両前後方向に延びる前記投影レンズの光軸に対して傾斜した面とされており、
前記入射面は、前記投影レンズの光軸に対して平行な複数の光線を前記出射面から前記投影レンズ内部へ入射させた場合、当該入射面から出射する前記複数の光線が前記投影レンズの焦点に集光する面とされており、
前記反射面は、前記出射面から出射して前方に照射される前記光源からの光が前記投影レンズの光軸に対して略均等となるように、前記第1焦点と第2焦点とを通る光軸が前記投影レンズの光軸に対して所定角度傾斜した状態で配置されていることを特徴とする車両用前照灯。 - 前記投影レンズと前記光源との間には、前記出射面から出射して前方に照射される前記光源からの光のうち上方へ向かう光を遮る遮光部材が配置されていることを特徴とする請求項1に記載の車両用前照灯。
- 請求項1又は2に記載の複数の車両用前照灯を含むことを特徴とする車両用前照灯。
- 前記複数の車両用前照灯それぞれの前記投影レンズは、物理的に分離した投影レンズとして構成されていることを特徴とする請求項3に記載の車両用前照灯。
- 前記複数の車両用前照灯それぞれの前記投影レンズは、一体化された複合レンズ体として構成されており、
前記複合レンズ体は、前記複数の車両用前照灯それぞれの前記投影レンズの出射面として機能する共通で一枚の出射面を含んでいることを特徴とする請求項3に記載の車両用前照灯。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013028092A JP6146040B2 (ja) | 2013-02-15 | 2013-02-15 | 車両用前照灯 |
EP14020015.5A EP2767750B1 (en) | 2013-02-15 | 2014-02-14 | Vehicle headlight |
US14/183,507 US9316374B2 (en) | 2013-02-15 | 2014-02-18 | Vehicle headlight |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013028092A JP6146040B2 (ja) | 2013-02-15 | 2013-02-15 | 車両用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014157736A true JP2014157736A (ja) | 2014-08-28 |
JP6146040B2 JP6146040B2 (ja) | 2017-06-14 |
Family
ID=50190167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013028092A Active JP6146040B2 (ja) | 2013-02-15 | 2013-02-15 | 車両用前照灯 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9316374B2 (ja) |
EP (1) | EP2767750B1 (ja) |
JP (1) | JP6146040B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016134200A (ja) * | 2015-01-15 | 2016-07-25 | 市光工業株式会社 | 車両用灯具 |
JP2016157527A (ja) * | 2015-02-23 | 2016-09-01 | 市光工業株式会社 | 車両用灯具 |
JP2017191722A (ja) * | 2016-04-14 | 2017-10-19 | 株式会社小糸製作所 | 車両用灯具 |
CN112066337A (zh) * | 2019-06-10 | 2020-12-11 | Sl株式会社 | 车辆用灯具 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102266738B1 (ko) * | 2015-02-03 | 2021-06-17 | 엘지이노텍 주식회사 | 조명 장치 |
TWI583578B (zh) * | 2015-02-17 | 2017-05-21 | 世正光電股份有限公司 | 具有切換遠近燈光形的車燈裝置 |
FR3039630A1 (fr) * | 2015-07-28 | 2017-02-03 | Valeo Vision | Systeme d'eclairage pour projecteur de vehicule automobile |
JP6595881B2 (ja) | 2015-10-27 | 2019-10-23 | スタンレー電気株式会社 | 拡散配光光学系及び車両用灯具 |
JP7000695B2 (ja) * | 2016-11-02 | 2022-02-04 | 市光工業株式会社 | 車両用灯具 |
DE102016125887A1 (de) * | 2016-12-29 | 2018-07-05 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für Kraftfahrzeugscheinwerfer |
TWI600857B (zh) * | 2017-02-09 | 2017-10-01 | 可增強車燈光強度的遮光模組 | |
KR20210034243A (ko) * | 2019-09-20 | 2021-03-30 | 현대모비스 주식회사 | 헤드램프의 광학모듈 |
CN112856329B (zh) * | 2019-11-28 | 2024-02-20 | 扬明光学股份有限公司 | 迎宾灯 |
KR20230060856A (ko) * | 2021-10-28 | 2023-05-08 | 현대모비스 주식회사 | 차량용 램프 및 그 램프를 포함하는 차량 |
CN217684748U (zh) * | 2022-04-29 | 2022-10-28 | 北京车和家汽车科技有限公司 | 车灯、投射组件和车辆 |
CN117685528B (zh) * | 2024-02-02 | 2024-04-16 | 浙江嘀视科技有限公司 | 一种改善光斑泛黄的照明模组、车灯和车辆 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6486401A (en) * | 1987-09-29 | 1989-03-31 | Koito Mfg Co Ltd | Head light of vehicle |
JPH06275103A (ja) * | 1993-03-18 | 1994-09-30 | Mitsubishi Automob Eng Co Ltd | ランプ構造 |
US6186651B1 (en) * | 1999-07-21 | 2001-02-13 | Visteon Global Technologies, Inc. | Bifunctional high intensity discharge projector headlamp |
JP2003123519A (ja) * | 2001-10-15 | 2003-04-25 | Honda Motor Co Ltd | プロジェクタ型ヘッドランプ |
JP2004087179A (ja) * | 2002-08-23 | 2004-03-18 | Stanley Electric Co Ltd | 灯具及び投影レンズ |
JP2006049189A (ja) * | 2004-08-06 | 2006-02-16 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2012094418A (ja) * | 2010-10-28 | 2012-05-17 | Koito Mfg Co Ltd | 車輌用灯具 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4080780B2 (ja) | 2002-04-23 | 2008-04-23 | 株式会社小糸製作所 | 光源ユニット |
JP4391870B2 (ja) * | 2004-04-02 | 2009-12-24 | 株式会社小糸製作所 | 車両用照明灯具 |
JP4771723B2 (ja) * | 2005-03-24 | 2011-09-14 | 市光工業株式会社 | 車両用灯具 |
JP2007066811A (ja) * | 2005-09-01 | 2007-03-15 | Koito Mfg Co Ltd | 車両用灯具 |
JP4675874B2 (ja) * | 2006-01-20 | 2011-04-27 | 株式会社小糸製作所 | 車両用照明灯具 |
FR2910592B1 (fr) * | 2006-12-20 | 2012-07-20 | Valeo Vision | Module de projecteur lumineux de vehicule automobile pour un faisceau a coupure |
JP5009031B2 (ja) * | 2007-04-10 | 2012-08-22 | 株式会社小糸製作所 | 車両用灯具ユニット |
JP5339032B2 (ja) | 2008-05-12 | 2013-11-13 | スタンレー電気株式会社 | プロジェクタ型前照灯ユニット、前照灯及び前照灯用投影レンズ |
JP5146214B2 (ja) * | 2008-09-17 | 2013-02-20 | 市光工業株式会社 | 車両用灯具 |
JP2010086888A (ja) * | 2008-10-02 | 2010-04-15 | Koito Mfg Co Ltd | 車両用照明灯具 |
-
2013
- 2013-02-15 JP JP2013028092A patent/JP6146040B2/ja active Active
-
2014
- 2014-02-14 EP EP14020015.5A patent/EP2767750B1/en active Active
- 2014-02-18 US US14/183,507 patent/US9316374B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6486401A (en) * | 1987-09-29 | 1989-03-31 | Koito Mfg Co Ltd | Head light of vehicle |
JPH06275103A (ja) * | 1993-03-18 | 1994-09-30 | Mitsubishi Automob Eng Co Ltd | ランプ構造 |
US6186651B1 (en) * | 1999-07-21 | 2001-02-13 | Visteon Global Technologies, Inc. | Bifunctional high intensity discharge projector headlamp |
JP2003123519A (ja) * | 2001-10-15 | 2003-04-25 | Honda Motor Co Ltd | プロジェクタ型ヘッドランプ |
JP2004087179A (ja) * | 2002-08-23 | 2004-03-18 | Stanley Electric Co Ltd | 灯具及び投影レンズ |
JP2006049189A (ja) * | 2004-08-06 | 2006-02-16 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2012094418A (ja) * | 2010-10-28 | 2012-05-17 | Koito Mfg Co Ltd | 車輌用灯具 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016134200A (ja) * | 2015-01-15 | 2016-07-25 | 市光工業株式会社 | 車両用灯具 |
JP2016157527A (ja) * | 2015-02-23 | 2016-09-01 | 市光工業株式会社 | 車両用灯具 |
JP2017191722A (ja) * | 2016-04-14 | 2017-10-19 | 株式会社小糸製作所 | 車両用灯具 |
CN112066337A (zh) * | 2019-06-10 | 2020-12-11 | Sl株式会社 | 车辆用灯具 |
CN112066337B (zh) * | 2019-06-10 | 2022-06-14 | Sl株式会社 | 车辆用灯具 |
Also Published As
Publication number | Publication date |
---|---|
JP6146040B2 (ja) | 2017-06-14 |
US9316374B2 (en) | 2016-04-19 |
EP2767750A3 (en) | 2017-11-01 |
US20140233253A1 (en) | 2014-08-21 |
EP2767750A2 (en) | 2014-08-20 |
EP2767750B1 (en) | 2020-09-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6146040B2 (ja) | 車両用前照灯 | |
JP4080780B2 (ja) | 光源ユニット | |
JP4391870B2 (ja) | 車両用照明灯具 | |
JP6052569B2 (ja) | 車両用灯具ユニット | |
JP4068387B2 (ja) | 光源ユニット | |
JP4970136B2 (ja) | 車両用前照灯の灯具ユニット | |
JP6340751B2 (ja) | レンズ体及び車両用灯具 | |
JP5281359B2 (ja) | 車両用灯具ユニット及び車両用灯具 | |
JP2005317226A (ja) | 車両用照明灯具 | |
JP2010080306A (ja) | 車両前照灯用灯具ユニット | |
JP2012209083A (ja) | 車両用灯具 | |
US10281103B2 (en) | Body and lighting tool for vehicle | |
JP5874901B2 (ja) | 車両用灯具ユニット | |
US10281105B2 (en) | Lens body for vehicle configured to emit light forward from a light source and lighting tool for vehicle | |
US9772082B2 (en) | Vehicular lamp | |
JP6119279B2 (ja) | 車両用前照灯 | |
JP6136065B2 (ja) | プロジェクタ型前照灯 | |
JP2014110213A (ja) | 車両用前照灯 | |
JP5372474B2 (ja) | 車両用灯具ユニット | |
JP6052599B2 (ja) | 車両用前照灯 | |
JP5765626B2 (ja) | 車両用灯具ユニット | |
JP4647650B2 (ja) | 光源ユニットおよび車両用灯具 | |
JP4865060B2 (ja) | 車両用灯具 | |
JP4685187B2 (ja) | 車両用照明灯具 | |
JP4865059B2 (ja) | 光源ユニット |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160113 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20161013 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20161012 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20161207 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170418 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170501 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6146040 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |