WO2009028076A1 - 車両用灯具 - Google Patents

車両用灯具 Download PDF

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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
Application number
PCT/JP2007/066931
Other languages
English (en)
French (fr)
Inventor
Norifumi Kanai
Kouei Hatade
Original Assignee
Nalux Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nalux Co., Ltd. filed Critical Nalux Co., Ltd.
Priority to PCT/JP2007/066931 priority Critical patent/WO2009028076A1/ja
Priority to PCT/JP2008/065586 priority patent/WO2009028686A1/ja
Priority to JP2009530218A priority patent/JP5315505B2/ja
Priority to US12/379,674 priority patent/US8109663B2/en
Publication of WO2009028076A1 publication Critical patent/WO2009028076A1/ja

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。
PCT/JP2007/066931 2007-08-30 2007-08-30 車両用灯具 WO2009028076A1 (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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