CA3229329A1 - Liquid crystal light control device and lighting device - Google Patents

Liquid crystal light control device and lighting device Download PDF

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Publication number
CA3229329A1
CA3229329A1 CA3229329A CA3229329A CA3229329A1 CA 3229329 A1 CA3229329 A1 CA 3229329A1 CA 3229329 A CA3229329 A CA 3229329A CA 3229329 A CA3229329 A CA 3229329A CA 3229329 A1 CA3229329 A1 CA 3229329A1
Authority
CA
Canada
Prior art keywords
liquid crystal
electrode
crystal cell
substrate
diffused
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
CA3229329A
Other languages
English (en)
French (fr)
Inventor
Kojiro Ikeda
Takeo Koito
Tae Kurokawa
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 CA3229329A1 publication Critical patent/CA3229329A1/en
Pending legal-status Critical Current

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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
    • G02F1/1347—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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/003—Controlling the distribution of the light emitted by adjustment of elements by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements 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
    • 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
    • G02F1/1336—Illuminating 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
    • 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
    • G02F1/133773—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers the alignment material or treatment being different for the two opposite substrates
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/124—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode interdigital

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Liquid Crystal (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
CA3229329A 2021-08-23 2022-08-05 Liquid crystal light control device and lighting device Pending CA3229329A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-135953 2021-08-23
JP2021135953 2021-08-23
PCT/JP2022/030182 WO2023026833A1 (ja) 2021-08-23 2022-08-05 液晶光制御素子及び照明装置

Publications (1)

Publication Number Publication Date
CA3229329A1 true CA3229329A1 (en) 2023-03-02

Family

ID=85323171

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3229329A Pending CA3229329A1 (en) 2021-08-23 2022-08-05 Liquid crystal light control device and lighting device

Country Status (8)

Country Link
US (2) US12210251B2 (https=)
EP (1) EP4394490A4 (https=)
JP (2) JP7592879B2 (https=)
KR (1) KR102852912B1 (https=)
CN (1) CN117836706A (https=)
CA (1) CA3229329A1 (https=)
MX (1) MX2024002358A (https=)
WO (1) WO2023026833A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023074106A1 (ja) * 2021-11-01 2023-05-04 株式会社ジャパンディスプレイ 光学素子

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5777706A (en) * 1996-05-17 1998-07-07 Motorola, Inc. Nematic liquid crystal phase spatial light modulator for enhanced display resolution
US6577368B1 (en) * 1997-11-03 2003-06-10 Samsung Electronics Co., Ltd. IPS-LCD having a third electrode having aperture and formed on counter substrate
KR101222951B1 (ko) * 2005-10-13 2013-01-17 엘지디스플레이 주식회사 시야각 제어 액정표시장치
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
KR101472052B1 (ko) * 2008-07-30 2014-12-12 삼성디스플레이 주식회사 표시장치
JP5417005B2 (ja) 2009-03-26 2014-02-12 パナソニック株式会社 照明装置
JP5893447B2 (ja) * 2012-03-08 2016-03-23 株式会社ジャパンディスプレイ 液晶レンズ、表示装置、及び電子機器
TWI488168B (zh) * 2013-01-07 2015-06-11 Au Optronics Corp 顯示裝置及其驅動方法
CN103984181B (zh) * 2014-03-12 2017-02-15 京东方科技集团股份有限公司 一种液晶透镜及显示装置
US9786232B2 (en) * 2014-09-02 2017-10-10 Superd Co. Ltd. 2D/3D switchable stereoscopic display device
WO2016082031A1 (en) 2014-11-24 2016-06-02 Lensvector Inc. Liquid crystal beam control device with improved zone transition and method of manufacture thereof
US10126607B2 (en) 2015-09-12 2018-11-13 Lensvector Inc. Liquid crystal beam control device
EP3347759B1 (en) * 2015-09-12 2024-03-20 LensVector Inc. Liquid crystal beam control device
US10845672B2 (en) * 2017-04-20 2020-11-24 Lensvector Inc. LC beam broadening device with improved beam symmetry
JP2019086539A (ja) 2017-11-01 2019-06-06 株式会社ジャパンディスプレイ 表示装置
JP2021124665A (ja) * 2020-02-07 2021-08-30 株式会社ジャパンディスプレイ 光制御装置及び照明装置
JP2022070474A (ja) * 2020-10-27 2022-05-13 株式会社ジャパンディスプレイ 液晶デバイス
JP7558783B2 (ja) * 2020-12-10 2024-10-01 株式会社ジャパンディスプレイ 液晶デバイス
CN116830029B (zh) * 2021-02-18 2025-12-16 株式会社日本显示器 光学元件
JP7637528B2 (ja) * 2021-02-18 2025-02-28 株式会社ジャパンディスプレイ 照明装置
EP4307036B1 (en) * 2021-03-12 2026-03-04 Japan Display Inc. Liquid crystal device
EP4307037A4 (en) * 2021-03-12 2025-06-11 Japan Display Inc. Liquid crystal device
EP4307035B1 (en) * 2021-03-12 2026-04-22 Japan Display Inc. Liquid crystal device
KR102877655B1 (ko) * 2021-03-24 2025-10-28 가부시키가이샤 재팬 디스프레이 액정 광 제어 장치
JP7527472B2 (ja) * 2021-03-31 2024-08-02 株式会社ジャパンディスプレイ 液晶光制御装置
EP4332671A4 (en) * 2021-04-28 2025-05-28 Japan Display Inc. Optical device

Also Published As

Publication number Publication date
CN117836706A (zh) 2024-04-05
WO2023026833A1 (ja) 2023-03-02
US20240184170A1 (en) 2024-06-06
JP7592879B2 (ja) 2024-12-02
US12210251B2 (en) 2025-01-28
US20250116902A1 (en) 2025-04-10
JP2025015789A (ja) 2025-01-30
MX2024002358A (es) 2024-04-10
KR102852912B1 (ko) 2025-09-02
EP4394490A4 (en) 2025-08-20
JPWO2023026833A1 (https=) 2023-03-02
KR20240035860A (ko) 2024-03-18
JP7732062B2 (ja) 2025-09-01
EP4394490A1 (en) 2024-07-03

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