DE69029529D1 - Flüssigkristallvorrichtung - Google Patents
FlüssigkristallvorrichtungInfo
- Publication number
- DE69029529D1 DE69029529D1 DE69029529T DE69029529T DE69029529D1 DE 69029529 D1 DE69029529 D1 DE 69029529D1 DE 69029529 T DE69029529 T DE 69029529T DE 69029529 T DE69029529 T DE 69029529T DE 69029529 D1 DE69029529 D1 DE 69029529D1
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 title abstract 4
- 239000004990 Smectic liquid crystal Substances 0.000 abstract 4
- 210000002858 crystal cell Anatomy 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
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)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8154789A JP2645744B2 (ja) | 1989-04-03 | 1989-04-03 | 強誘電性液晶ディスプレイ装置 |
| JP8154989A JP2645746B2 (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 |
| JP8155089A JP2645747B2 (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 true DE69029529D1 (de) | 1997-02-13 |
| DE69029529T2 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 (37)
| 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 |
| WO2017074951A1 (en) | 2015-10-26 | 2017-05-04 | Reald Inc. | Intelligent privacy system, apparatus, and method thereof |
| EP3458897B1 (de) | 2016-05-19 | 2025-04-02 | RealD Spark, LLC | Direktionale hintergrundleuchten zur weitwinkelbildgebung |
| 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 |
| WO2018208618A1 (en) | 2017-05-08 | 2018-11-15 | 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 |
| US11115647B2 (en) | 2017-11-06 | 2021-09-07 | Reald Spark, Llc | Privacy display apparatus |
| AU2019211358B2 (en) | 2018-01-25 | 2024-10-10 | Reald Spark, Llc | Reflective optical stack for privacy display |
| US10802356B2 (en) | 2018-01-25 | 2020-10-13 | Reald Spark, Llc | Touch screen for privacy display |
| WO2019183525A1 (en) | 2018-03-22 | 2019-09-26 | Reald Spark, Llc | Optical waveguide for directional backlight |
| WO2020005756A1 (en) | 2018-06-29 | 2020-01-02 | Reald Spark, Llc | Stabilization for privacy display |
| WO2020018552A1 (en) | 2018-07-18 | 2020-01-23 | 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 |
| TW202107181A (zh) | 2018-11-07 | 2021-02-16 | 美商瑞爾Ｄ斯帕克有限責任公司 | 定向顯示裝置 |
| WO2020146091A1 (en) | 2019-01-07 | 2020-07-16 | Reald Spark, Llc | Optical stack for privacy display |
| US11029566B2 (en) | 2019-02-12 | 2021-06-08 | 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 |
| CN114341681A (zh) | 2019-08-02 | 2022-04-12 | 瑞尔D斯帕克有限责任公司 | 用于防窥显示器的光学堆叠 |
| US11114063B2 (en) | 2019-10-02 | 2021-09-07 | Reald Spark, Llc | Privacy display apparatus |
| EP4058842A4 (de) | 2019-11-13 | 2023-12-20 | RealD Spark, LLC | Ausseraxiale anzeigevorrichtung |
| EP4073560A4 (de) | 2019-12-10 | 2024-02-21 | RealD Spark, LLC | Reflexionsteuerung einer anzeigevorrichtung |
| US11191146B2 (en) | 2019-12-18 | 2021-11-30 | Reald Spark, Llc | Control of ambient light for a privacy display |
| CN115867854A (zh) | 2020-04-30 | 2023-03-28 | 瑞尔D斯帕克有限责任公司 | 定向显示设备 |
| EP4143042A4 (de) | 2020-04-30 | 2024-05-29 | RealD Spark, LLC | Richtungsanzeigegerät |
| EP4143632A4 (de) | 2020-04-30 | 2024-08-14 | RealD Spark, LLC | Richtungsanzeigegerät |
| CN116209945A (zh) | 2020-07-29 | 2023-06-02 | 瑞尔D斯帕克有限责任公司 | 用于可切换定向显示器的背光源 |
| 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 |
| US11892718B2 (en) | 2022-04-07 | 2024-02-06 | Reald Spark, Llc | Directional display apparatus |
| US20240369869A1 (en) | 2023-04-25 | 2024-11-07 | Reald Spark, Llc | Switchable privacy display |
Family Cites Families (8)
| 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 |
-
1990
- 1990-03-30 AU AU52440/90A patent/AU628953B2/en not_active Ceased
- 1990-04-02 EP EP90106275A patent/EP0391305B1/de not_active Expired - Lifetime
- 1990-04-02 DE DE69029529T patent/DE69029529T2/de not_active Expired - Fee Related
- 1990-04-02 AT AT90106275T patent/ATE147170T1/de not_active IP Right Cessation
- 1990-04-03 US US07/503,678 patent/US5035491A/en not_active Expired - Lifetime
- 1990-04-03 KR KR90004593A patent/KR970009163B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU628953B2 (en) | 1992-09-24 |
| DE69029529T2 (de) | 1997-05-22 |
| EP0391305B1 (de) | 1997-01-02 |
| ATE147170T1 (de) | 1997-01-15 |
| EP0391305A3 (de) | 1991-11-13 |
| AU5244090A (en) | 1990-10-04 |
| US5035491A (en) | 1991-07-30 |
| EP0391305A2 (de) | 1990-10-10 |
| KR970009163B1 (en) | 1997-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |