CN110736071B - 车辆用灯具 - Google Patents

车辆用灯具 Download PDF

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Publication number
CN110736071B
CN110736071B CN201910649048.8A CN201910649048A CN110736071B CN 110736071 B CN110736071 B CN 110736071B CN 201910649048 A CN201910649048 A CN 201910649048A CN 110736071 B CN110736071 B CN 110736071B
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CN
China
Prior art keywords
light
liquid crystal
crystal element
optical system
polarization
Prior art date
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Active
Application number
CN201910649048.8A
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English (en)
Chinese (zh)
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CN110736071A (zh
Inventor
大和田竜太郎
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Stanley Electric Co Ltd
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Stanley Electric Co Ltd
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Filing date
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Publication of CN110736071A publication Critical patent/CN110736071A/zh
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Publication of CN110736071B publication Critical patent/CN110736071B/zh
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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
    • F21S41/20—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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
    • F21S41/64—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
    • F21S41/645—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices by electro-optic means, e.g. liquid crystal or electrochromic devices
    • 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
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/135—Polarised
    • 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
    • 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
    • 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
    • F21S41/27—Thick 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
    • F21S41/33—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
    • F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity 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
    • F21S41/30—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
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/286—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/13355—Polarising beam splitters [PBS]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Liquid Crystal (AREA)
CN201910649048.8A 2018-07-18 2019-07-18 车辆用灯具 Active CN110736071B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-135041 2018-07-18
JP2018135041A JP7171283B2 (ja) 2018-07-18 2018-07-18 車両用灯具

Publications (2)

Publication Number Publication Date
CN110736071A CN110736071A (zh) 2020-01-31
CN110736071B true CN110736071B (zh) 2023-11-14

Family

ID=67437951

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910649048.8A Active CN110736071B (zh) 2018-07-18 2019-07-18 车辆用灯具

Country Status (4)

Country Link
US (1) US10808905B2 (enExample)
EP (1) EP3597988B1 (enExample)
JP (1) JP7171283B2 (enExample)
CN (1) CN110736071B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7499588B2 (ja) * 2020-03-19 2024-06-14 スタンレー電気株式会社 ランプユニット、車両用灯具システム
JP7394696B2 (ja) * 2020-04-24 2023-12-08 スタンレー電気株式会社 車両用灯具システム
JP7536594B2 (ja) 2020-10-23 2024-08-20 スタンレー電気株式会社 車両用灯具
JP2022179096A (ja) * 2021-05-21 2022-12-02 スタンレー電気株式会社 車両用灯具

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985816A (en) * 1988-03-28 1991-01-15 Nissan Motor Company, Ltd. Vehicle headlamp
JPH06265887A (ja) * 1993-03-10 1994-09-22 Seiko Epson Corp 投写型表示装置
JP2011249184A (ja) * 2010-05-28 2011-12-08 Koito Mfg Co Ltd 車両用前照灯
JP2012069458A (ja) * 2010-09-27 2012-04-05 Stanley Electric Co Ltd 車両用灯具
CN103250089A (zh) * 2010-12-06 2013-08-14 欧司朗股份有限公司 照明装置
CN104344299A (zh) * 2013-07-23 2015-02-11 鸿富锦精密工业（深圳）有限公司 车前灯灯具模组
DE102013113807A1 (de) * 2013-12-11 2015-06-11 Hella Kgaa Hueck & Co. Beleuchtungseinrichtung für ein Kraftfahrzeug
DE202016102988U1 (de) * 2015-06-10 2016-06-17 Zizala Lichtsysteme Gmbh Scheinwerfer für Kraftfahrzeuge
JP2016115412A (ja) * 2014-12-11 2016-06-23 スタンレー電気株式会社 車両用前照灯ユニット、車両用前照灯システム
CN106461182A (zh) * 2014-06-05 2017-02-22 飞利浦照明控股有限公司 具有增加的效率的发光聚光器
CN106687740A (zh) * 2014-09-23 2017-05-17 黑拉许克联合股份有限公司 用于车辆的前照灯
CN107107807A (zh) * 2014-11-07 2017-08-29 大日本印刷株式会社 照明装置
JP2017212210A (ja) * 2016-05-24 2017-11-30 ドクター エンジニール ハー ツェー エフ ポルシェ アクチエンゲゼルシャフトＤｒ． Ｉｎｇ． ｈ．ｃ． Ｆ． Ｐｏｒｓｃｈｅ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ 自動車前照灯
JP2018004673A (ja) * 2016-06-27 2018-01-11 日本精機株式会社 照明装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003297116A (ja) * 2002-04-05 2003-10-17 Honda Motor Co Ltd 投光装置
JP2006189781A (ja) * 2004-12-08 2006-07-20 Nitto Denko Corp 液晶パネル及び液晶表示装置
JP5448615B2 (ja) 2009-07-14 2014-03-19 株式会社小糸製作所 車両用前照灯
JP5436318B2 (ja) * 2010-04-26 2014-03-05 株式会社小糸製作所 車両用前照灯および車両用前照灯システム
US10054280B2 (en) * 2013-11-18 2018-08-21 Maxell, Ltd. Solid state light source device, automotive lighting using same, image display device, and drive method for solid state light source device
DE102015115348A1 (de) * 2015-09-11 2017-03-16 Hella Kgaa Hueck & Co. Beleuchtungseinrichtung für ein Kraftfahrzeug
JP6742445B2 (ja) * 2017-01-25 2020-08-19 マクセル株式会社 ヘッドライト装置
CN114974010B (zh) * 2017-01-27 2024-07-19 麦克赛尔株式会社 前灯装置
JP6952541B2 (ja) * 2017-09-11 2021-10-20 スタンレー電気株式会社 車両用前照灯

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985816A (en) * 1988-03-28 1991-01-15 Nissan Motor Company, Ltd. Vehicle headlamp
JPH06265887A (ja) * 1993-03-10 1994-09-22 Seiko Epson Corp 投写型表示装置
JP2011249184A (ja) * 2010-05-28 2011-12-08 Koito Mfg Co Ltd 車両用前照灯
JP2012069458A (ja) * 2010-09-27 2012-04-05 Stanley Electric Co Ltd 車両用灯具
CN103250089A (zh) * 2010-12-06 2013-08-14 欧司朗股份有限公司 照明装置
CN104344299A (zh) * 2013-07-23 2015-02-11 鸿富锦精密工业（深圳）有限公司 车前灯灯具模组
DE102013113807A1 (de) * 2013-12-11 2015-06-11 Hella Kgaa Hueck & Co. Beleuchtungseinrichtung für ein Kraftfahrzeug
CN106461182A (zh) * 2014-06-05 2017-02-22 飞利浦照明控股有限公司 具有增加的效率的发光聚光器
CN106687740A (zh) * 2014-09-23 2017-05-17 黑拉许克联合股份有限公司 用于车辆的前照灯
CN107107807A (zh) * 2014-11-07 2017-08-29 大日本印刷株式会社 照明装置
JP2016115412A (ja) * 2014-12-11 2016-06-23 スタンレー電気株式会社 車両用前照灯ユニット、車両用前照灯システム
DE202016102988U1 (de) * 2015-06-10 2016-06-17 Zizala Lichtsysteme Gmbh Scheinwerfer für Kraftfahrzeuge
JP2017212210A (ja) * 2016-05-24 2017-11-30 ドクター エンジニール ハー ツェー エフ ポルシェ アクチエンゲゼルシャフトＤｒ． Ｉｎｇ． ｈ．ｃ． Ｆ． Ｐｏｒｓｃｈｅ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ 自動車前照灯
JP2018004673A (ja) * 2016-06-27 2018-01-11 日本精機株式会社 照明装置

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Publication number Publication date
US10808905B2 (en) 2020-10-20
US20200025350A1 (en) 2020-01-23
JP7171283B2 (ja) 2022-11-15
EP3597988A1 (en) 2020-01-22
JP2020013697A (ja) 2020-01-23
EP3597988B1 (en) 2022-06-15
CN110736071A (zh) 2020-01-31

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