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DE69714665D1 - Flüssigkristallvorrichtungen - Google Patents

Flüssigkristallvorrichtungen

Info

Publication number
DE69714665D1
DE69714665D1 DE69714665T DE69714665T DE69714665D1 DE 69714665 D1 DE69714665 D1 DE 69714665D1 DE 69714665 T DE69714665 T DE 69714665T DE 69714665 T DE69714665 T DE 69714665T DE 69714665 D1 DE69714665 D1 DE 69714665D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal devices
devices
liquid
crystal
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 - Lifetime
Application number
DE69714665T
Other languages
English (en)
Other versions
DE69714665T2 (de
Inventor
Martin David Tillin
Michael John Towler
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of DE69714665D1 publication Critical patent/DE69714665D1/de
Application granted granted Critical
Publication of DE69714665T2 publication Critical patent/DE69714665T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02F1/1347—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
    • G02F1/137—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
    • G02F1/1393—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 the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
    • G02F1/1395—Optically compensated birefringence [OCB]- cells or PI- 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
    • G02F1/137—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
    • G02F1/1396—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 the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
DE69714665T 1996-06-26 1997-06-25 Flüssigkristallvorrichtungen Expired - Lifetime DE69714665T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9613354A GB2314640A (en) 1996-06-26 1996-06-26 Liquid crystal devices

Publications (2)

Publication Number Publication Date
DE69714665D1 true DE69714665D1 (de) 2002-09-19
DE69714665T2 DE69714665T2 (de) 2003-08-07

Family

ID=10795885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69714665T Expired - Lifetime DE69714665T2 (de) 1996-06-26 1997-06-25 Flüssigkristallvorrichtungen

Country Status (5)

Country Link
US (1) US6144433A (de)
EP (1) EP0816906B1 (de)
JP (1) JPH1055003A (de)
DE (1) DE69714665T2 (de)
GB (1) GB2314640A (de)

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GB2345979A (en) * 1999-01-23 2000-07-26 Ibm High reflectivity bistable liquid crystal display
GB2357157A (en) 1999-12-07 2001-06-13 Sharp Kk A method of driving a liquid crystal display device
US6307607B1 (en) * 1999-12-21 2001-10-23 Philips Electronics North America Corporation Reflective liquid crystal display with integrated compensation for skew angle rotation and birefringence effects
US6606181B2 (en) 2000-12-22 2003-08-12 Optellios, Inc. Optical power limiting control
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US20030053017A1 (en) * 2001-09-20 2003-03-20 Hongqin Shi Thin cell gap microdisplays with optimum optical properties
JP4699517B2 (ja) * 2006-02-27 2011-06-15 エルジー・ケム・リミテッド 超薄型半透過反射用アクロマチック１／４波長位相差フィルム積層体及びその製造方法
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CN104238164A (zh) * 2014-09-02 2014-12-24 深圳超多维光电子有限公司 立体显示装置
EP3369034B1 (de) 2015-10-26 2023-07-05 RealD Spark, LLC Intelligentes datenschutzsystem, vorrichtung und verfahren dafür
US11079619B2 (en) 2016-05-19 2021-08-03 Reald Spark, Llc Wide angle imaging directional backlights
CN110785694B (zh) 2017-05-08 2023-06-23 瑞尔D斯帕克有限责任公司 用于定向显示器的光学叠堆
US20210199879A1 (en) 2017-05-08 2021-07-01 Reald Spark, Llc Optical stack for imaging directional backlights
US10126575B1 (en) 2017-05-08 2018-11-13 Reald Spark, Llc Optical stack for privacy display
TWI878209B (zh) 2017-09-15 2025-04-01 美商瑞爾Ｄ斯帕克有限責任公司 顯示裝置及應用於顯示裝置的視角控制光學元件
US10948648B2 (en) 2017-09-29 2021-03-16 Reald Spark, Llc Backlights having stacked waveguide and optical components with different coefficients of friction
EP3707554B1 (de) 2017-11-06 2023-09-13 RealD Spark, LLC Privatsphärenanzeigevorrichtung
CN118672006A (zh) 2018-01-25 2024-09-20 瑞尔D斯帕克有限责任公司 用于隐私显示器的触摸屏
WO2019147762A1 (en) 2018-01-25 2019-08-01 Reald Spark, Llc Reflective optical stack for privacy display
JP7495027B2 (ja) 2018-03-22 2024-06-04 リアルディー スパーク エルエルシー 光導波路、バックライト装置およびディスプレイ装置
WO2020005748A1 (en) 2018-06-29 2020-01-02 Reald Spark, Llc Optical stack for privacy display
WO2020018552A1 (en) 2018-07-18 2020-01-23 Reald Spark, Llc Optical stack for switchable directional display
WO2020072643A1 (en) 2018-10-03 2020-04-09 Reald Spark, Llc Privacy display control 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
EP3994878A4 (de) 2019-07-02 2023-06-14 RealD Spark, LLC Direktionale anzeigevorrichtung
EP4007930B1 (de) 2019-08-02 2025-10-08 RealD Spark, LLC Optischer stapel für anzeige mit privatsphäre
EP4438945B1 (de) 2019-10-02 2025-09-03 RealD Spark, LLC Privatsphärenanzeigevorrichtung
CN114846393B (zh) 2019-11-13 2024-12-03 瑞尔D斯帕克有限责任公司 离轴显示装置
WO2021118936A1 (en) 2019-12-10 2021-06-17 Reald Spark, Llc Control of reflections of a display device
EP4440248A3 (de) 2019-12-18 2024-10-16 RealD Spark, LLC Umgebungslichtsteuerung für eine datenschutzanzeige
US11506939B2 (en) 2020-04-30 2022-11-22 Reald Spark, Llc Directional display apparatus
EP4143632A4 (de) 2020-04-30 2024-08-14 RealD Spark, LLC Richtungsanzeigegerät
EP4143042B1 (de) 2020-04-30 2025-09-24 RealD Spark, LLC Richtungsanzeigegerät
US11624944B2 (en) 2020-07-29 2023-04-11 Reald Spark, Llc Backlight for switchable directional display
TWI898003B (zh) 2020-07-29 2025-09-21 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
CN113927976A (zh) * 2021-11-09 2022-01-14 佛山纬达光电材料股份有限公司 一种可用于拍摄天空蓝的消光片结构及其方法
CN114035258A (zh) * 2021-11-09 2022-02-11 佛山纬达光电材料股份有限公司 一种可提高摄影原画效果的偏光片结构及其方法
EP4476588A4 (de) 2022-02-09 2025-12-31 Reald Spark Llc Beobachterverfolgte privatsphärenanzeige
EP4505240A1 (de) 2022-04-07 2025-02-12 RealD Spark, LLC Richtungsanzeigegerät
US20240329471A1 (en) * 2023-03-29 2024-10-03 Reald Spark, Llc Marks for Angular Optical Filters
WO2024226506A1 (en) 2023-04-25 2024-10-31 Reald Spark, Llc Switchable privacy display
US12393066B2 (en) 2023-08-03 2025-08-19 Reald Spark, Llc Privacy displays

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Also Published As

Publication number Publication date
GB2314640A (en) 1998-01-07
GB9613354D0 (en) 1996-08-28
EP0816906A3 (de) 1998-10-07
JPH1055003A (ja) 1998-02-24
DE69714665T2 (de) 2003-08-07
US6144433A (en) 2000-11-07
EP0816906B1 (de) 2002-08-14
EP0816906A2 (de) 1998-01-07

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