JP7345293B2 - 液晶素子、照明装置 - Google Patents

液晶素子、照明装置 Download PDF

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Publication number
JP7345293B2
JP7345293B2 JP2019121990A JP2019121990A JP7345293B2 JP 7345293 B2 JP7345293 B2 JP 7345293B2 JP 2019121990 A JP2019121990 A JP 2019121990A JP 2019121990 A JP2019121990 A JP 2019121990A JP 7345293 B2 JP7345293 B2 JP 7345293B2
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Japan
Prior art keywords
liquid crystal
pixel
substrate
pixel electrodes
crystal element
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Active
Application number
JP2019121990A
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English (en)
Japanese (ja)
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JP2021009200A (ja
JP2021009200A5 (https=
Inventor
康夫 都甲
浩 戸塚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stanley Electric Co Ltd
Original Assignee
Stanley Electric 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 Stanley Electric Co Ltd filed Critical Stanley Electric Co Ltd
Priority to JP2019121990A priority Critical patent/JP7345293B2/ja
Priority to CN202080042906.3A priority patent/CN114008522B/zh
Priority to EP20833071.2A priority patent/EP3992704B1/en
Priority to US17/623,121 priority patent/US11906854B2/en
Priority to PCT/JP2020/023374 priority patent/WO2020262066A1/ja
Publication of JP2021009200A publication Critical patent/JP2021009200A/ja
Publication of JP2021009200A5 publication Critical patent/JP2021009200A5/ja
Application granted granted Critical
Publication of JP7345293B2 publication Critical patent/JP7345293B2/ja
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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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • 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
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/48—Variable attenuator

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP2019121990A 2019-06-28 2019-06-28 液晶素子、照明装置 Active JP7345293B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2019121990A JP7345293B2 (ja) 2019-06-28 2019-06-28 液晶素子、照明装置
CN202080042906.3A CN114008522B (zh) 2019-06-28 2020-06-15 液晶元件、照明装置
EP20833071.2A EP3992704B1 (en) 2019-06-28 2020-06-15 Liquid crystal element and illumination device
US17/623,121 US11906854B2 (en) 2019-06-28 2020-06-15 Liquid crystal element, lighting apparatus
PCT/JP2020/023374 WO2020262066A1 (ja) 2019-06-28 2020-06-15 液晶素子、照明装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019121990A JP7345293B2 (ja) 2019-06-28 2019-06-28 液晶素子、照明装置

Publications (3)

Publication Number Publication Date
JP2021009200A JP2021009200A (ja) 2021-01-28
JP2021009200A5 JP2021009200A5 (https=) 2022-05-25
JP7345293B2 true JP7345293B2 (ja) 2023-09-15

Family

ID=74061945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019121990A Active JP7345293B2 (ja) 2019-06-28 2019-06-28 液晶素子、照明装置

Country Status (5)

Country Link
US (1) US11906854B2 (https=)
EP (1) EP3992704B1 (https=)
JP (1) JP7345293B2 (https=)
CN (1) CN114008522B (https=)
WO (1) WO2020262066A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7730741B2 (ja) * 2021-12-09 2025-08-28 スタンレー電気株式会社 液晶装置、液晶装置の駆動方法
WO2025182238A1 (ja) * 2024-02-27 2025-09-04 株式会社ジャパンディスプレイ 照明装置およびその駆動方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009063696A (ja) 2007-09-05 2009-03-26 Sony Corp 液晶表示装置
JP2011180583A (ja) 2010-02-05 2011-09-15 Semiconductor Energy Lab Co Ltd 液晶表示装置
JP2018190687A (ja) 2017-05-11 2018-11-29 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
US20180366491A1 (en) 2016-09-26 2018-12-20 Boe Technology Group Co., Ltd. Array substrate and manufacturing method thereof, display panel and display device
JP2019040727A (ja) 2017-08-24 2019-03-14 スタンレー電気株式会社 車両用前照灯システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3326832B2 (ja) * 1992-11-20 2002-09-24 セイコーエプソン株式会社 液晶表示装置
KR100260359B1 (ko) * 1997-04-18 2000-07-01 김영환 액정 표시 장치 및 그 제조방법
JP2005183327A (ja) 2003-12-24 2005-07-07 Stanley Electric Co Ltd 車両前照灯
EP2363744B1 (en) * 2006-04-24 2015-12-16 Sharp Kk Liquid crystal display device
EP2230657B1 (en) * 2008-01-10 2014-03-26 Sharp Kabushiki Kaisha Active matrix substrate and liquid crystal display device
JP2011027886A (ja) * 2009-07-23 2011-02-10 Seiko Epson Corp 液晶装置の製造方法、液晶装置、電子機器
JP2012113215A (ja) * 2010-11-26 2012-06-14 Stanley Electric Co Ltd 液晶素子
JP6808335B2 (ja) * 2016-03-11 2021-01-06 株式会社ジャパンディスプレイ 液晶表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009063696A (ja) 2007-09-05 2009-03-26 Sony Corp 液晶表示装置
JP2011180583A (ja) 2010-02-05 2011-09-15 Semiconductor Energy Lab Co Ltd 液晶表示装置
US20180366491A1 (en) 2016-09-26 2018-12-20 Boe Technology Group Co., Ltd. Array substrate and manufacturing method thereof, display panel and display device
JP2018190687A (ja) 2017-05-11 2018-11-29 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
JP2019040727A (ja) 2017-08-24 2019-03-14 スタンレー電気株式会社 車両用前照灯システム

Also Published As

Publication number Publication date
CN114008522B (zh) 2024-03-12
EP3992704A1 (en) 2022-05-04
EP3992704B1 (en) 2024-08-07
CN114008522A (zh) 2022-02-01
WO2020262066A1 (ja) 2020-12-30
US20220229334A1 (en) 2022-07-21
JP2021009200A (ja) 2021-01-28
US11906854B2 (en) 2024-02-20
EP3992704A4 (en) 2023-01-25

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