BRPI0720442A2 - Ângulo de visão que controla painel de cristal líquido e visor - Google Patents

Ângulo de visão que controla painel de cristal líquido e visor

Info

Publication number
BRPI0720442A2
BRPI0720442A2 BRPI0720442-6A2A BRPI0720442A BRPI0720442A2 BR PI0720442 A2 BRPI0720442 A2 BR PI0720442A2 BR PI0720442 A BRPI0720442 A BR PI0720442A BR PI0720442 A2 BRPI0720442 A2 BR PI0720442A2
Authority
BR
Brazil
Prior art keywords
liquid crystal
crystal display
display panel
viewing angle
controlling liquid
Prior art date
Application number
BRPI0720442-6A2A
Other languages
English (en)
Inventor
Takehiko Sakai
Dai Chiba
Katsuhiko Morishita
Yoshiharu Kataoka
Chikanori Tsukamura
Original Assignee
Sharp Kk
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 Kk filed Critical Sharp Kk
Publication of BRPI0720442A2 publication Critical patent/BRPI0720442A2/pt

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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/1323—Arrangements for providing a switchable viewing angle
    • 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
    • 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
    • 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
    • G02F2201/122—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode having a particular pattern

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
BRPI0720442-6A2A 2007-01-31 2007-08-27 Ângulo de visão que controla painel de cristal líquido e visor BRPI0720442A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007022301 2007-01-31
PCT/JP2007/066513 WO2008093445A1 (ja) 2007-01-31 2007-08-27 視野角制御用液晶パネル及び表示装置

Publications (1)

Publication Number Publication Date
BRPI0720442A2 true BRPI0720442A2 (pt) 2014-11-25

Family

ID=39673761

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0720442-6A2A BRPI0720442A2 (pt) 2007-01-31 2007-08-27 Ângulo de visão que controla painel de cristal líquido e visor

Country Status (5)

Country Link
US (1) US8169567B2 (pt)
CN (1) CN101573651B (pt)
BR (1) BRPI0720442A2 (pt)
RU (1) RU2411559C1 (pt)
WO (1) WO2008093445A1 (pt)

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EP2667244B1 (en) * 2011-01-17 2019-04-10 Ortus Technology Co., Ltd. Liquid crystal lens, liquid crystal lens drive method, lens unit, camera module, and capsule-type medical apparatus
CN102707528B (zh) * 2012-06-15 2016-06-08 京东方科技集团股份有限公司 阵列基板及其制作方法、液晶显示面板及其工作方法
JP6291747B2 (ja) * 2013-08-28 2018-03-14 ソニー株式会社 光学的ローパスフィルタ、撮像デバイスおよび撮像装置
US11079619B2 (en) 2016-05-19 2021-08-03 Reald Spark, Llc Wide angle imaging directional backlights
CN106033330B (zh) * 2016-05-24 2019-10-08 努比亚技术有限公司 一种显示方法和终端设备
CN106959807A (zh) * 2017-03-24 2017-07-18 北京小米移动软件有限公司 视角切换方法及装置
CN106932973B (zh) * 2017-04-18 2019-08-16 昆山龙腾光电有限公司 视角可切换的液晶显示装置
CN110809732B (zh) 2017-05-08 2025-01-10 瑞尔D斯帕克有限责任公司 用于成像定向背光源的光学叠堆
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
CN115718382A (zh) 2018-01-25 2023-02-28 瑞尔D斯帕克有限责任公司 用于防窥显示装置的反射式光学堆叠物
EP3743766B1 (en) 2018-01-25 2026-02-11 RealD Spark, LLC Touch screen for privacy display
US10935714B2 (en) 2018-03-22 2021-03-02 Reald Spark, Llc Optical waveguide for directional backlight
US10955715B2 (en) 2018-06-29 2021-03-23 Reald Spark, Llc Optical stack for privacy display
US11073735B2 (en) 2018-07-18 2021-07-27 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
TWI912252B (zh) 2019-07-02 2026-01-21 美商瑞爾Ｄ斯帕克有限責任公司 定向顯示設備
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
WO2021222615A1 (en) 2020-04-30 2021-11-04 Reald Spark, Llc Directional display apparatus
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
EP4189285A4 (en) 2020-07-29 2024-07-24 RealD Spark, LLC BACKLIGHT FOR SWITCHABLE DIRECTIONAL DISPLAY
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
US11977286B2 (en) 2022-02-09 2024-05-07 Reald Spark, Llc Observer-tracked privacy display
TW202332973A (zh) 2022-02-09 2023-08-16 美商瑞爾Ｄ斯帕克有限責任公司 具均勻減低偏軸亮度之顯示裝置
CN115023644B (zh) * 2022-04-06 2023-07-28 昆山龙腾光电股份有限公司 宽窄视角可切换的显示面板及驱动方法、显示装置
US11892718B2 (en) 2022-04-07 2024-02-06 Reald Spark, Llc Directional display apparatus
CN114675441B (zh) * 2022-04-14 2024-01-30 昆山龙腾光电股份有限公司 宽窄视角分区域可切换的显示面板及驱动方法、显示装置
JP7763149B2 (ja) * 2022-05-26 2025-10-31 株式会社ジャパンディスプレイ 光学素子及び表示装置
CN116097158B (zh) * 2022-08-08 2025-08-26 昆山龙腾光电股份有限公司 宽窄视角可切换的显示面板及驱动方法、显示装置
US12523899B2 (en) 2023-04-25 2026-01-13 Reald Spark, Llc Switchable privacy display
WO2025030030A2 (en) 2023-08-03 2025-02-06 Reald Spark, Llc Privacy displays

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JP4241667B2 (ja) * 2004-05-24 2009-03-18 日本電気株式会社 面状光源、表示装置、携帯端末装置及び光線方向切替素子
US7349043B2 (en) * 2004-05-24 2008-03-25 Nec Corporation Light source, display device, portable terminal device, and ray direction switching element
US7817106B2 (en) * 2004-09-15 2010-10-19 Sharp Kabushiki Kaisha Display device, viewing angle control device, and electronic apparatus
CN100351684C (zh) * 2005-01-11 2007-11-28 友达光电股份有限公司 可调整视角的液晶显示器及其调整视角方法
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EP2051134A4 (en) * 2006-08-09 2010-09-22 Sharp Kk LIQUID CRYSTAL DISPLAY DEVICE AND VIEW ANGLE CONTROL MODULE

Also Published As

Publication number Publication date
US20100060824A1 (en) 2010-03-11
CN101573651A (zh) 2009-11-04
RU2411559C1 (ru) 2011-02-10
US8169567B2 (en) 2012-05-01
CN101573651B (zh) 2011-08-24
WO2008093445A1 (ja) 2008-08-07

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.