DE69029529T2 - Flüssigkristallvorrichtung - Google Patents

Flüssigkristallvorrichtung

Info

Publication number
DE69029529T2
DE69029529T2 DE69029529T DE69029529T DE69029529T2 DE 69029529 T2 DE69029529 T2 DE 69029529T2 DE 69029529 T DE69029529 T DE 69029529T DE 69029529 T DE69029529 T DE 69029529T DE 69029529 T2 DE69029529 T2 DE 69029529T2
Authority
DE
Germany
Prior art keywords
liquid crystal
polarizer
disposed
analyzer
chiral smectic
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.)
Expired - Fee Related
Application number
DE69029529T
Other languages
English (en)
Other versions
DE69029529D1 (de
Inventor
Hideyuki Kawagishi
Hirofumi Iwamoto
Akira Tsuboyama
Tadashi Mihara
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.)
Canon Inc
Original Assignee
Canon 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
Priority claimed from JP8154989A external-priority patent/JP2645746B2/ja
Priority claimed from JP8155089A external-priority patent/JP2645747B2/ja
Priority claimed from JP8154789A external-priority patent/JP2645744B2/ja
Priority claimed from JP8154889A external-priority patent/JP2645745B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69029529D1 publication Critical patent/DE69029529D1/de
Publication of DE69029529T2 publication Critical patent/DE69029529T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/141—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
    • 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
    • G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DE69029529T 1989-04-03 1990-04-02 Flüssigkristallvorrichtung Expired - Fee Related DE69029529T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP8154989A JP2645746B2 (ja) 1989-04-03 1989-04-03 強誘電性液晶ディスプレイ装置
JP8155089A JP2645747B2 (ja) 1989-04-03 1989-04-03 強誘電性液晶ディスプレイ装置
JP8154789A JP2645744B2 (ja) 1989-04-03 1989-04-03 強誘電性液晶ディスプレイ装置
JP8154889A JP2645745B2 (ja) 1989-04-03 1989-04-03 強誘電性液晶ディスプレイ装置

Publications (2)

Publication Number Publication Date
DE69029529D1 DE69029529D1 (de) 1997-02-13
DE69029529T2 true DE69029529T2 (de) 1997-05-22

Family

ID=27466589

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029529T Expired - Fee Related DE69029529T2 (de) 1989-04-03 1990-04-02 Flüssigkristallvorrichtung

Country Status (6)

Country Link
US (1) US5035491A (de)
EP (1) EP0391305B1 (de)
KR (1) KR970009163B1 (de)
AT (1) ATE147170T1 (de)
AU (1) AU628953B2 (de)
DE (1) DE69029529T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5168381A (en) * 1989-10-30 1992-12-01 University Research Corporation Smectic liquid crystal devices using SSFLC and electroclinic effect based cells
US5172257A (en) * 1991-11-08 1992-12-15 Bell Communications Research, Inc. Twisted ferroelectric liquid crystal modulator for providing gray scale
US5455695A (en) * 1992-01-27 1995-10-03 Canon Kabushiki Kaisha Process for producing liquid crystal device including rubbing with two rubbing rollers rotating in same directions at different speeds
US5502584A (en) * 1993-03-16 1996-03-26 Canon Kabushiki Kaisha Process for producing ferroelectric liquid crystal device
US5815230A (en) * 1994-01-27 1998-09-29 Canon Kabushiki Kaisha Liquid crystal device and process for production thereof
EP3369034B1 (de) 2015-10-26 2023-07-05 RealD Spark, LLC Intelligentes datenschutzsystem, vorrichtung und verfahren dafür
EP3458897A4 (de) 2016-05-19 2019-11-06 RealD Spark, LLC Direktionale hintergrundleuchten zur weitwinkelbildgebung
CN116841075A (zh) * 2017-05-08 2023-10-03 瑞尔D斯帕克有限责任公司 用于定向显示器的光学叠堆
US10126575B1 (en) 2017-05-08 2018-11-13 Reald Spark, Llc Optical stack for privacy display
TW201921060A (zh) 2017-09-15 2019-06-01 美商瑞爾Ｄ斯帕克有限責任公司 用於可切換定向顯示器的光學堆疊結構
US10948648B2 (en) 2017-09-29 2021-03-16 Reald Spark, Llc Backlights having stacked waveguide and optical components with different coefficients of friction
WO2019090246A1 (en) 2017-11-06 2019-05-09 Reald Spark, Llc Privacy display apparatus
KR20200120650A (ko) 2018-01-25 2020-10-21 리얼디 스파크, 엘엘씨 프라이버시 디스플레이를 위한 터치스크린
KR20200122326A (ko) 2018-01-25 2020-10-27 리얼디 스파크, 엘엘씨 프라이버시 디스플레이를 위한 반사 광학 스택
WO2019183525A1 (en) 2018-03-22 2019-09-26 Reald Spark, Llc Optical waveguide for directional backlight
EP3814832A4 (de) 2018-06-29 2022-04-06 RealD Spark, LLC Stabilisierung für datenschutzanzeige
CN112602011A (zh) 2018-07-18 2021-04-02 瑞尔D斯帕克有限责任公司 用于可切换定向显示器的光学堆叠
US11106103B2 (en) 2018-10-03 2021-08-31 Reald Spark, Llc Privacy display apparatus controlled in response to environment of apparatus
CN113167953B (zh) 2018-11-07 2023-10-24 瑞尔D斯帕克有限责任公司 定向显示设备
WO2020146091A1 (en) 2019-01-07 2020-07-16 Reald Spark, Llc Optical stack for privacy display
WO2020167680A1 (en) 2019-02-12 2020-08-20 Reald Spark, Llc Diffuser for privacy display
TW202102883A (zh) 2019-07-02 2021-01-16 美商瑞爾Ｄ斯帕克有限責任公司 定向顯示設備
EP4007930A4 (de) 2019-08-02 2023-08-30 RealD Spark, LLC Optischer stapel für anzeige mit privatsphäre
KR20220074941A (ko) 2019-10-02 2022-06-03 리얼디 스파크, 엘엘씨 프라이버시 디스플레이 기기
EP4058830A4 (de) 2019-11-13 2024-01-24 Reald Spark Llc Anzeigevorrichtung mit gleichmässiger ausseraxialer helligkeitsreduzierung
CN114761844A (zh) 2019-12-10 2022-07-15 瑞尔D斯帕克有限责任公司 显示装置的反射的控制
EP4078254A4 (de) 2019-12-18 2023-11-01 RealD Spark, LLC Steuerung von umgebungslicht für eine sichtschutzanzeige
EP4143041A4 (de) 2020-04-30 2024-06-12 Reald Spark Llc Richtungsanzeigegerät
EP4143632A1 (de) 2020-04-30 2023-03-08 RealD Spark, LLC Richtungsanzeigegerät
EP4143631A4 (de) 2020-04-30 2024-05-29 Reald Spark Llc Richtungsanzeigegerät
WO2022026536A1 (en) 2020-07-29 2022-02-03 Reald Spark, Llc Backlight for switchable directional display
TW202204818A (zh) 2020-07-29 2022-02-01 美商瑞爾Ｄ斯帕克有限責任公司 光瞳照明裝置
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
WO2023154217A1 (en) 2022-02-09 2023-08-17 Reald Spark, Llc Observer-tracked privacy display
WO2023196440A1 (en) 2022-04-07 2023-10-12 Reald Spark, Llc Directional display apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149555B (en) * 1983-11-10 1987-01-28 Standard Telephones Cables Ltd Improvements in liquid crystal displays
JPS6167832A (ja) * 1984-09-12 1986-04-08 Canon Inc 液晶素子
FR2581209B1 (fr) * 1985-04-26 1993-11-05 Canon Kk Dispositif optique a cristal liquide
JPS62284334A (ja) * 1986-06-03 1987-12-10 Canon Inc 液晶装置
JPS6361234A (ja) * 1986-09-02 1988-03-17 Mitsubishi Electric Corp 液晶電気光学装置
JPH0644121B2 (ja) * 1986-11-14 1994-06-08 キヤノン株式会社 液晶素子
US4932758A (en) * 1987-09-17 1990-06-12 Canon Kabushiki Kaisha Ferroelectric smectic liquid crystal device having a bistable alignment state providing two stable orientation states
JPH01198724A (ja) * 1988-02-03 1989-08-10 Hitachi Ltd 液晶光変調装置およびその駆動方法

Also Published As

Publication number Publication date
US5035491A (en) 1991-07-30
EP0391305A3 (de) 1991-11-13
AU628953B2 (en) 1992-09-24
EP0391305B1 (de) 1997-01-02
KR970009163B1 (en) 1997-06-07
AU5244090A (en) 1990-10-04
DE69029529D1 (de) 1997-02-13
ATE147170T1 (de) 1997-01-15
EP0391305A2 (de) 1990-10-10

Similar Documents

Publication Publication Date Title
DE69029529D1 (de) Flüssigkristallvorrichtung
EP0311979A3 (de) Elektrooptische Schaltvorrichtungen mit ferroelektrischen Flüssigkristallen
MY144447A (en) Stn lcd device displaying multiple colors in response to different voltages which includes a retardation plate
TW200727049A (en) Liquid crystal display device
EP0377757A4 (en) Reflection-type liquid crystal electro-optical device and projection-type display device using the same
SE8104578L (sv) Mekaniskt multistabil flytande-kristall-cell .
KR970701368A (ko) 쌍안정 네마틱 액정장치(Bistable nematic liquid crystal devices)
KR100624750B1 (ko) 액정표시장치 및 그의 구동방법
TWI263086B (en) Liquid crystal display device
KR100502022B1 (ko) 액정표시소자
KR910017222A (ko) 액정성 중합체를 정렬하는 방법, 및 액정 개폐 및 표시 장치에서 정렬층으로서의 이의 용도
EP0367616A3 (de) Optisches Flüssigkristall-Element
JPS5692518A (en) Liquid crystal display device
KR900002112A (ko) 액정 표시소자
Sheridan et al. Electro‐optic switching in low‐loss liquid‐crystal waveguides
MY132448A (en) Liquid-crystal display device and optical component comprising a polarizer
EP0475401A3 (en) Optical modulation element
KR930018449A (ko) 액정 셀의 평행한 두 유리판 사이의 콜레스테릭 액정을 반대방향 사선을 발생시키지 않고 평면 배향시키는 방법
JPH03192217A (ja) 液晶表示装置
EP0397153A3 (de) Chiralsmektische Flüssigkristallvorrichtung
KR930016806A (ko) 강 유전성 액정소자
KR950012110A (ko) 광 보상판을 갖는 액정 디스플레이(lcd) 장치
CN217112991U (zh) 垂直配向型液晶显示模组及液晶显示设备
ATE133273T1 (de) Ferroelektrische flüssigkristallvorrichtung
ATE160886T1 (de) Flüssigkristall-vorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee