WO2009028076A1 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- WO2009028076A1 WO2009028076A1 PCT/JP2007/066931 JP2007066931W WO2009028076A1 WO 2009028076 A1 WO2009028076 A1 WO 2009028076A1 JP 2007066931 W JP2007066931 W JP 2007066931W WO 2009028076 A1 WO2009028076 A1 WO 2009028076A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- lighting apparatus
- vehicular lighting
- projector lens
- shade
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
- G02B27/0037—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration with diffracting 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
- F21S41/20—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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0911—Anamorphotic systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
- G02B27/425—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in illumination systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4288—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having uniform diffraction efficiency over a large spectral bandwidth
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
投影レンズの透過率の低下およびそれによる光量の低下を最小限に抑え、かつ光学特性を損なわずに、色割れを低減する車両用灯具を提供する。本発明による車両用灯具は、光源、リフレクタ、シェードおよび投影レンズを備え、前記光源の光を前記リフレクタによって反射させ、前記シェードによって光の一部を遮断し、遮断しない光を、前記投影レンズを透過させて前方に照射する。本発明による車両用灯具は、前記投影レンズの、少なくとも一面の光通過領域の端部を含む領域に、色割れを低減するための回折格子を設けたことを特徴とする。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/066931 WO2009028076A1 (ja) | 2007-08-30 | 2007-08-30 | 車両用灯具 |
PCT/JP2008/065586 WO2009028686A1 (ja) | 2007-08-30 | 2008-08-29 | 車両用灯具 |
JP2009530218A JP5315505B2 (ja) | 2007-08-30 | 2008-08-29 | 車両用灯具及びその製造方法 |
US12/379,674 US8109663B2 (en) | 2007-08-30 | 2009-02-26 | Vehicular lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/066931 WO2009028076A1 (ja) | 2007-08-30 | 2007-08-30 | 車両用灯具 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009028076A1 true WO2009028076A1 (ja) | 2009-03-05 |
Family
ID=40386820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/066931 WO2009028076A1 (ja) | 2007-08-30 | 2007-08-30 | 車両用灯具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8109663B2 (ja) |
WO (1) | WO2009028076A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013093105A (ja) * | 2011-10-24 | 2013-05-16 | Stanley Electric Co Ltd | プロジェクタレンズ及びその製造方法並びにこのプロジェクタレンズを用いた自動車用ヘッドランプ |
WO2017199841A1 (ja) * | 2016-05-16 | 2017-11-23 | スタンレー電気株式会社 | プロジェクタ型前照灯 |
JP2018116800A (ja) * | 2017-01-17 | 2018-07-26 | 株式会社日立情映テック | 回折レンズおよびそれを用いた車載用灯具 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5909419B2 (ja) | 2012-07-24 | 2016-04-26 | スタンレー電気株式会社 | プロジェクタ型前照灯 |
JP6722030B2 (ja) * | 2016-04-19 | 2020-07-15 | スタンレー電気株式会社 | 車両用灯具 |
US10627553B2 (en) * | 2018-01-15 | 2020-04-21 | Ford Global Technologies, Llc | Vehicle light assemblies |
DE102020121974A1 (de) | 2020-08-21 | 2022-02-24 | Marelli Automotive Lighting Reutlingen (Germany) GmbH | Lichtmodul mit einer Farbfehler korrigierenden Optikvorrichtung |
US12038144B1 (en) * | 2023-08-02 | 2024-07-16 | Coplus Inc. | Integrated dual-color vehicle light device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6062001A (ja) * | 1983-08-18 | 1985-04-10 | シビエ・プロジエクトール | 自動車用前照灯 |
JPH01113903U (ja) * | 1988-01-28 | 1989-07-31 | ||
JP2005044804A (ja) * | 2003-07-23 | 2005-02-17 | Schott Ag | 照明装置、レンズ、及びレンズ製造方法 |
JP2005302718A (ja) * | 2004-04-08 | 2005-10-27 | Schott Ag | レンズ付き照明装置およびその製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01113903A (ja) | 1987-10-27 | 1989-05-02 | Matsushita Electric Ind Co Ltd | 磁気記録装置 |
JPH0817045B2 (ja) | 1989-10-06 | 1996-02-21 | 株式会社小糸製作所 | 自動車用ヘッドランプ |
JP4009443B2 (ja) | 2001-10-05 | 2007-11-14 | スタンレー電気株式会社 | プロジェクタ型ヘッドランプ |
WO2006088184A1 (ja) | 2005-02-21 | 2006-08-24 | Osaka University | 建設構造物の補強材、強化建設構造物、及び、建設構造物の補強工法 |
-
2007
- 2007-08-30 WO PCT/JP2007/066931 patent/WO2009028076A1/ja active Application Filing
-
2009
- 2009-02-26 US US12/379,674 patent/US8109663B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6062001A (ja) * | 1983-08-18 | 1985-04-10 | シビエ・プロジエクトール | 自動車用前照灯 |
JPH01113903U (ja) * | 1988-01-28 | 1989-07-31 | ||
JP2005044804A (ja) * | 2003-07-23 | 2005-02-17 | Schott Ag | 照明装置、レンズ、及びレンズ製造方法 |
JP2005302718A (ja) * | 2004-04-08 | 2005-10-27 | Schott Ag | レンズ付き照明装置およびその製造方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013093105A (ja) * | 2011-10-24 | 2013-05-16 | Stanley Electric Co Ltd | プロジェクタレンズ及びその製造方法並びにこのプロジェクタレンズを用いた自動車用ヘッドランプ |
WO2017199841A1 (ja) * | 2016-05-16 | 2017-11-23 | スタンレー電気株式会社 | プロジェクタ型前照灯 |
JPWO2017199841A1 (ja) * | 2016-05-16 | 2019-03-22 | スタンレー電気株式会社 | プロジェクタ型前照灯 |
US10830406B2 (en) | 2016-05-16 | 2020-11-10 | Stanley Electric Co., Ltd. | Projector type headlamp |
JP2018116800A (ja) * | 2017-01-17 | 2018-07-26 | 株式会社日立情映テック | 回折レンズおよびそれを用いた車載用灯具 |
JP7001345B2 (ja) | 2017-01-17 | 2022-02-03 | マクセルフロンティア株式会社 | 回折レンズおよびそれを用いた車載用灯具 |
Also Published As
Publication number | Publication date |
---|---|
US20090310377A1 (en) | 2009-12-17 |
US8109663B2 (en) | 2012-02-07 |
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