DE69714665T2 - Flüssigkristallvorrichtungen - Google Patents

Flüssigkristallvorrichtungen

Info

Publication number
DE69714665T2
DE69714665T2 DE69714665T DE69714665T DE69714665T2 DE 69714665 T2 DE69714665 T2 DE 69714665T2 DE 69714665 T DE69714665 T DE 69714665T DE 69714665 T DE69714665 T DE 69714665T DE 69714665 T2 DE69714665 T2 DE 69714665T2
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
DE69714665D1 (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
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 DE69714665D1 (de) 2002-09-19
DE69714665T2 true 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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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
EP3458897A4 (de) 2016-05-19 2019-11-06 RealD Spark, LLC Direktionale hintergrundleuchten zur weitwinkelbildgebung
US10126575B1 (en) 2017-05-08 2018-11-13 Reald Spark, Llc Optical stack for privacy display
WO2018208619A1 (en) * 2017-05-08 2018-11-15 Reald Spark, Llc Optical stack for directional 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
EP3743766A4 (de) 2018-01-25 2021-12-22 RealD Spark, LLC Berührungsbildschirm für privatsphärenanzeige
JP7291444B2 (ja) 2018-01-25 2023-06-15 リアルディー スパーク エルエルシー ディスプレイデバイスおよび視野角制御光学素子
CN112075076B (zh) 2018-03-22 2023-05-02 瑞尔D斯帕克有限责任公司 用于定向背光的光波导
US11079645B2 (en) 2018-06-29 2021-08-03 Reald Spark, Llc Stabilization for privacy display
US11073735B2 (en) 2018-07-18 2021-07-27 Reald Spark, Llc Optical stack for switchable directional display
US11106103B2 (en) 2018-10-03 2021-08-31 Reald Spark, Llc Privacy display apparatus controlled in response to environment of apparatus
CN117311038A (zh) 2018-11-07 2023-12-29 瑞尔D斯帕克有限责任公司 定向显示设备
CN113508334A (zh) 2019-01-07 2021-10-15 瑞尔D斯帕克有限责任公司 用于防窥显示器的光学叠堆
CN113646695A (zh) 2019-02-12 2021-11-12 瑞尔D斯帕克有限责任公司 用于防窥显示器的漫射器
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
US11099447B2 (en) 2019-08-02 2021-08-24 Reald Spark, Llc Optical stack for privacy display
CN114730549A (zh) 2019-10-02 2022-07-08 瑞尔D斯帕克有限责任公司 隐私显示设备
US11733578B2 (en) 2019-11-13 2023-08-22 ReaID Spark, LLC Display device with uniform off-axis luminance reduction
WO2021118936A1 (en) 2019-12-10 2021-06-17 Reald Spark, Llc Control of reflections of a display device
WO2021126707A1 (en) 2019-12-18 2021-06-24 Reald Spark, Llc Control of ambient light for a privacy display
US11506939B2 (en) 2020-04-30 2022-11-22 Reald Spark, Llc Directional display apparatus
CN115997146A (zh) 2020-04-30 2023-04-21 瑞尔D斯帕克有限责任公司 定向显示设备
EP4143041A1 (de) 2020-04-30 2023-03-08 RealD Spark, LLC Richtungsanzeigegerät
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
EP4189285A1 (de) 2020-07-29 2023-06-07 RealD Spark, LLC Rückbeleuchtung für eine schaltbare richtungsanzeige
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
WO2023196440A1 (en) 2022-04-07 2023-10-12 Reald Spark, Llc Directional display apparatus

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Also Published As

Publication number Publication date
DE69714665D1 (de) 2002-09-19
GB9613354D0 (en) 1996-08-28
US6144433A (en) 2000-11-07
EP0816906B1 (de) 2002-08-14
GB2314640A (en) 1998-01-07
EP0816906A3 (de) 1998-10-07
EP0816906A2 (de) 1998-01-07
JPH1055003A (ja) 1998-02-24

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