CA3207954A1 - Liquid crystal light control device - Google Patents

Liquid crystal light control device Download PDF

Info

Publication number
CA3207954A1
CA3207954A1 CA3207954A CA3207954A CA3207954A1 CA 3207954 A1 CA3207954 A1 CA 3207954A1 CA 3207954 A CA3207954 A CA 3207954A CA 3207954 A CA3207954 A CA 3207954A CA 3207954 A1 CA3207954 A1 CA 3207954A1
Authority
CA
Canada
Prior art keywords
liquid crystal
crystal cell
electrode
substrate
strip
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3207954A
Other languages
English (en)
French (fr)
Inventor
Tae Kurokawa
Takeo Koito
Kojiro Ikeda
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.)
Japan Display Inc
Original Assignee
Japan Display Inc
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 Japan Display Inc filed Critical Japan Display Inc
Publication of CA3207954A1 publication Critical patent/CA3207954A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • 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
    • G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • 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
    • G02F1/134336—Matrix

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Liquid Crystal (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
CA3207954A 2021-02-18 2022-02-07 Liquid crystal light control device Pending CA3207954A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021024713 2021-02-18
JP2021-024713 2021-02-18
PCT/JP2022/004747 WO2022176684A1 (ja) 2021-02-18 2022-02-07 液晶光制御装置

Publications (1)

Publication Number Publication Date
CA3207954A1 true CA3207954A1 (en) 2022-08-25

Family

ID=82930500

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3207954A Pending CA3207954A1 (en) 2021-02-18 2022-02-07 Liquid crystal light control device

Country Status (9)

Country Link
US (2) US12216363B2 (https=)
EP (1) EP4296769B1 (https=)
JP (3) JP7602004B2 (https=)
KR (1) KR102811455B1 (https=)
CN (1) CN116830030B (https=)
BR (1) BR112023016456A2 (https=)
CA (1) CA3207954A1 (https=)
MX (1) MX2023009609A (https=)
WO (1) WO2022176684A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7817910B2 (ja) * 2022-09-28 2026-02-19 株式会社ジャパンディスプレイ 電気光学装置および照明装置
CN119816780A (zh) * 2022-10-19 2025-04-11 株式会社日本显示器 光学元件以及照明装置
JP7796893B2 (ja) * 2022-10-25 2026-01-09 株式会社ジャパンディスプレイ 照明装置
CN120051726A (zh) * 2022-10-25 2025-05-27 株式会社日本显示器 照明装置及其驱动方法
CN120225949A (zh) * 2022-11-02 2025-06-27 株式会社日本显示器 照明装置
WO2024135247A1 (ja) * 2022-12-21 2024-06-27 株式会社ジャパンディスプレイ 照明装置の制御装置
JPWO2024176604A1 (https=) * 2023-02-21 2024-08-29
WO2025023036A1 (ja) * 2023-07-21 2025-01-30 株式会社ジャパンディスプレイ 液晶光制御装置
JPWO2025062811A1 (https=) * 2023-09-21 2025-03-27

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0764081A (ja) * 1993-08-31 1995-03-10 Toshiba Lighting & Technol Corp 照明装置，バックライト，液晶表示装置および表示装置
JP4471729B2 (ja) 2004-04-30 2010-06-02 シチズン電子株式会社 液晶レンズ付き発光装置
CN101675379B (zh) 2007-04-17 2012-03-21 皇家飞利浦电子股份有限公司 光束成形设备
JP5417005B2 (ja) 2009-03-26 2014-02-12 パナソニック株式会社 照明装置
CN102231033B (zh) * 2011-05-27 2014-11-05 深圳超多维光电子有限公司 液晶透镜及其控制方法、3d显示装置以及计算机系统
CN105103045A (zh) 2012-12-18 2015-11-25 兰斯维克托公司 具有高级电场控制能力的液晶光学设备
EP3347759B1 (en) 2015-09-12 2024-03-20 LensVector Inc. Liquid crystal beam control device
US10126607B2 (en) * 2015-09-12 2018-11-13 Lensvector Inc. Liquid crystal beam control device
CN105702171A (zh) * 2016-04-19 2016-06-22 京东方科技集团股份有限公司 显示装置及显示方法
JP6783461B2 (ja) * 2016-10-18 2020-11-11 国立大学法人 筑波大学 光計測システムおよび光計測方法
CN108267897A (zh) * 2016-12-30 2018-07-10 深圳超多维光电子有限公司 偏振成像装置和方法
KR20180108977A (ko) * 2017-03-24 2018-10-05 에스케이씨하이테크앤마케팅(주) 무안경 입체 영상 표시 장치용 필름
US10845672B2 (en) * 2017-04-20 2020-11-24 Lensvector Inc. LC beam broadening device with improved beam symmetry

Also Published As

Publication number Publication date
WO2022176684A1 (ja) 2022-08-25
JP2025143527A (ja) 2025-10-01
EP4296769A1 (en) 2023-12-27
CN116830030A (zh) 2023-09-29
US20250116900A1 (en) 2025-04-10
US20230375883A1 (en) 2023-11-23
KR102811455B1 (ko) 2025-05-22
US12216363B2 (en) 2025-02-04
JP2025023292A (ja) 2025-02-14
BR112023016456A2 (pt) 2023-10-10
KR20230125321A (ko) 2023-08-29
JPWO2022176684A1 (https=) 2022-08-25
EP4296769B1 (en) 2026-04-08
MX2023009609A (es) 2023-10-25
JP7602004B2 (ja) 2024-12-17
EP4296769A4 (en) 2025-01-08
CN116830030B (zh) 2026-02-13
JP7716561B2 (ja) 2025-07-31

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