JP7193270B2 - 車両用灯具の制御装置、車両用灯具の制御方法、車両用灯具システム - Google Patents

車両用灯具の制御装置、車両用灯具の制御方法、車両用灯具システム Download PDF

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Publication number
JP7193270B2
JP7193270B2 JP2018155740A JP2018155740A JP7193270B2 JP 7193270 B2 JP7193270 B2 JP 7193270B2 JP 2018155740 A JP2018155740 A JP 2018155740A JP 2018155740 A JP2018155740 A JP 2018155740A JP 7193270 B2 JP7193270 B2 JP 7193270B2
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Japan
Prior art keywords
liquid crystal
crystal element
light source
temperature
light
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JP2018155740A
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English (en)
Japanese (ja)
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JP2020029166A5 (cg-RX-API-DMAC10.html
JP2020029166A (ja
Inventor
康夫 都甲
宜久 岩本
卓也 北園
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Stanley Electric Co Ltd
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Stanley Electric Co Ltd
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Filing date
Publication date
Application filed by Stanley Electric Co Ltd filed Critical Stanley Electric Co Ltd
Priority to JP2018155740A priority Critical patent/JP7193270B2/ja
Priority to EP19190553.8A priority patent/EP3614043A1/en
Priority to US16/547,771 priority patent/US11009734B2/en
Publication of JP2020029166A publication Critical patent/JP2020029166A/ja
Publication of JP2020029166A5 publication Critical patent/JP2020029166A5/ja
Application granted granted Critical
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    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/60—Heating of lighting devices, e.g. for demisting
    • 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

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Mechanical Engineering (AREA)
JP2018155740A 2018-08-22 2018-08-22 車両用灯具の制御装置、車両用灯具の制御方法、車両用灯具システム Active JP7193270B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018155740A JP7193270B2 (ja) 2018-08-22 2018-08-22 車両用灯具の制御装置、車両用灯具の制御方法、車両用灯具システム
EP19190553.8A EP3614043A1 (en) 2018-08-22 2019-08-07 Control device for vehicular lamp, control method for vehicular lamp, vehicular lamp system
US16/547,771 US11009734B2 (en) 2018-08-22 2019-08-22 Control device for vehicular lamp, control method for vehicular lamp, vehicular lamp system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018155740A JP7193270B2 (ja) 2018-08-22 2018-08-22 車両用灯具の制御装置、車両用灯具の制御方法、車両用灯具システム

Publications (3)

Publication Number Publication Date
JP2020029166A JP2020029166A (ja) 2020-02-27
JP2020029166A5 JP2020029166A5 (cg-RX-API-DMAC10.html) 2021-08-26
JP7193270B2 true JP7193270B2 (ja) 2022-12-20

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JP2018155740A Active JP7193270B2 (ja) 2018-08-22 2018-08-22 車両用灯具の制御装置、車両用灯具の制御方法、車両用灯具システム

Country Status (3)

Country Link
US (1) US11009734B2 (cg-RX-API-DMAC10.html)
EP (1) EP3614043A1 (cg-RX-API-DMAC10.html)
JP (1) JP7193270B2 (cg-RX-API-DMAC10.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4032751A4 (en) * 2019-09-19 2022-10-26 Koito Manufacturing Co., Ltd. INFRARED LIGHTING SYSTEM FOR VEHICLES, INFRARED SENSING SYSTEM FOR VEHICLES AND LIGHTING UNIT WITH BUILT-IN INFRARED SENSOR AND LIGHTING UNIT WITH BUILT-IN OPTICAL SENSOR FOR VEHICLES
DE102022125753A1 (de) 2022-10-06 2024-04-11 Marelli Automotive Lighting Reutlingen (Germany) GmbH Vorrichtung und Verfahren für eine Temperaturstabilisierung eines Matrixscheinwerfers
GB2637535A (en) * 2024-01-26 2025-07-30 Envisics Ltd Thin shutter stack

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008304589A (ja) 2007-06-06 2008-12-18 Stanley Electric Co Ltd 液晶表示装置
JP2013001234A (ja) 2011-06-16 2013-01-07 Koito Mfg Co Ltd 車両の前照灯制御装置
JP2013235259A (ja) 2012-04-13 2013-11-21 Nitto Denko Corp 光学部材、偏光板のセットおよび液晶表示装置
JP2015031793A (ja) 2013-08-01 2015-02-16 株式会社デンソー ヘッドアップディスプレイ装置
JP2015056600A (ja) 2013-09-13 2015-03-23 日本精機株式会社 レーザ光源制御装置および車両用表示装置
US20160377251A1 (en) 2015-06-24 2016-12-29 Lg Electronics Inc. Headlamp for vehicle

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3514946B2 (ja) * 1997-05-29 2004-04-05 日産自動車株式会社 液晶表示装置
US7370983B2 (en) * 2000-03-02 2008-05-13 Donnelly Corporation Interior mirror assembly with display
JP3602843B2 (ja) * 2002-06-12 2004-12-15 シャープ株式会社 液晶表示装置
JP2005183327A (ja) 2003-12-24 2005-07-07 Stanley Electric Co Ltd 車両前照灯
KR100599731B1 (ko) * 2004-08-20 2006-07-12 삼성에스디아이 주식회사 액정표시장치 및 그 구동 방법
DE102008008664B4 (de) * 2008-02-12 2011-03-31 Continental Automotive Gmbh Fahrzeugscheinwerfer mit schneller Beseitigung eines Feuchtigkeitsbeschlages oder einer Eisschicht auf seiner Deckscheibe
JP2014002235A (ja) * 2012-06-18 2014-01-09 Stanley Electric Co Ltd 立体画像表示装置、照明装置
US9476561B2 (en) * 2012-06-29 2016-10-25 Koito Manufacturing Co., Ltd. Vehicle lamp including image forming device and method for controlling the same
JP2015127756A (ja) * 2013-12-27 2015-07-09 本田技研工業株式会社 液晶表示装置
WO2015193996A1 (ja) * 2014-06-18 2015-12-23 日立マクセル株式会社 ヘッドライト装置およびそれを用いた車両装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008304589A (ja) 2007-06-06 2008-12-18 Stanley Electric Co Ltd 液晶表示装置
JP2013001234A (ja) 2011-06-16 2013-01-07 Koito Mfg Co Ltd 車両の前照灯制御装置
JP2013235259A (ja) 2012-04-13 2013-11-21 Nitto Denko Corp 光学部材、偏光板のセットおよび液晶表示装置
JP2015031793A (ja) 2013-08-01 2015-02-16 株式会社デンソー ヘッドアップディスプレイ装置
JP2015056600A (ja) 2013-09-13 2015-03-23 日本精機株式会社 レーザ光源制御装置および車両用表示装置
US20160377251A1 (en) 2015-06-24 2016-12-29 Lg Electronics Inc. Headlamp for vehicle

Also Published As

Publication number Publication date
US20200063940A1 (en) 2020-02-27
JP2020029166A (ja) 2020-02-27
US11009734B2 (en) 2021-05-18
EP3614043A1 (en) 2020-02-26

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