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WO2008093445A1 - 視野角制御用液晶パネル及び表示装置 - Google Patents

視野角制御用液晶パネル及び表示装置 Download PDF

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Publication number
WO2008093445A1
WO2008093445A1 PCT/JP2007/066513 JP2007066513W WO2008093445A1 WO 2008093445 A1 WO2008093445 A1 WO 2008093445A1 JP 2007066513 W JP2007066513 W JP 2007066513W WO 2008093445 A1 WO2008093445 A1 WO 2008093445A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal layer
view angle
crystal panel
display
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.)
Ceased
Application number
PCT/JP2007/066513
Other languages
English (en)
French (fr)
Inventor
Takehiko Sakai
Dai Chiba
Katsuhiko Morishita
Yoshiharu Kataoka
Chikanori Tsukamura
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
Priority to BRPI0720442-6A2A priority Critical patent/BRPI0720442A2/pt
Priority to US12/522,081 priority patent/US8169567B2/en
Priority to CN2007800486677A priority patent/CN101573651B/zh
Publication of WO2008093445A1 publication Critical patent/WO2008093445A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • G02F1/1343—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)

Abstract

　遮蔽効果の画面内均一性がより向上した視野角制御用液晶パネルを提供する。液晶層には直線偏光が入射され、かつ、液晶層の光が出射する側には、液晶層から出射された光のうち、液晶層に入射された直線偏光の偏光軸と平行な成分のみを透過させる偏光板が設けられており、液晶層に含まれた液晶分子は、液晶層に電圧が印加されることによって、液晶層に入射された直線偏光の偏光軸と、平行又は垂直な方向に傾斜し、電極（２６）は、液晶層に２種類以上の異なる電圧を同時に印加することができるように設けられている。
PCT/JP2007/066513 2007-01-31 2007-08-27 視野角制御用液晶パネル及び表示装置 Ceased WO2008093445A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BRPI0720442-6A2A BRPI0720442A2 (pt) 2007-01-31 2007-08-27 Ângulo de visão que controla painel de cristal líquido e visor
US12/522,081 US8169567B2 (en) 2007-01-31 2007-08-27 Viewing angle controlling liquid crystal panel and display device
CN2007800486677A CN101573651B (zh) 2007-01-31 2007-08-27 视野角控制用液晶面板和显示装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-022301 2007-01-31
JP2007022301 2007-01-31

Publications (1)

Publication Number Publication Date
WO2008093445A1 true WO2008093445A1 (ja) 2008-08-07

Family

ID=39673761

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/066513 Ceased 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

Country Status (5)

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

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021513101A (ja) * 2018-01-25 2021-05-20 リアルディー スパーク エルエルシー プライバシーディスプレイ用反射型光学スタック
US11624944B2 (en) 2020-07-29 2023-04-11 Reald Spark, Llc Backlight for switchable directional display
US11668963B2 (en) 2020-04-30 2023-06-06 Reald Spark, Llc Directional display apparatus
US11733578B2 (en) 2019-11-13 2023-08-22 ReaID Spark, LLC Display device with uniform off-axis luminance reduction
US11740496B2 (en) 2020-07-29 2023-08-29 Reald Spark, Llc Pupillated illumination apparatus
US11747693B2 (en) 2018-07-18 2023-09-05 Reald Spark, Llc Optical stack for switchable directional display
US11796828B2 (en) 2019-12-10 2023-10-24 Reald Spark, Llc Control of reflections of a display device
US11809052B2 (en) 2018-06-29 2023-11-07 Reald Spark, Llc Stabilization for privacy display
US11808965B2 (en) 2018-03-22 2023-11-07 Reald Spark, Llc Optical waveguide for directional backlight
JP2023173806A (ja) * 2022-05-26 2023-12-07 株式会社ジャパンディスプレイ 光学素子及び表示装置
US11874541B2 (en) 2019-07-02 2024-01-16 Reald Spark, Llc Directional display apparatus
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
US11892718B2 (en) 2022-04-07 2024-02-06 Reald Spark, Llc Directional display apparatus
US11977286B2 (en) 2022-02-09 2024-05-07 Reald Spark, Llc Observer-tracked privacy display
US12038649B2 (en) 2018-11-07 2024-07-16 Reald Spark, Llc Directional display apparatus
US12066717B2 (en) 2017-09-15 2024-08-20 Reald Spark, Llc Optical stack for switchable directional display
US12140847B2 (en) 2018-10-03 2024-11-12 ReaID Spark, LLC Display apparatus using application software context for privacy control
US12169339B2 (en) 2018-01-25 2024-12-17 Reald Spark, Llc Touch screen for privacy display
US12253748B2 (en) 2023-04-25 2025-03-18 Reald Spark, Llc Switchable privacy display
US12366701B2 (en) 2017-05-08 2025-07-22 Reald Spark, Llc Optical stack for imaging directional backlights
US12393066B2 (en) 2023-08-03 2025-08-19 Reald Spark, Llc Privacy displays
US12392949B2 (en) 2016-05-19 2025-08-19 Reald Spark, Llc Wide angle imaging directional backlights

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WO2012099127A1 (ja) * 2011-01-17 2012-07-26 株式会社オルタステクノロジー 液晶レンズ、液晶レンズの駆動方法、レンズユニット、カメラモジュール、及びカプセル型医療機器
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
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
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
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
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

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Cited By (36)

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US12392949B2 (en) 2016-05-19 2025-08-19 Reald Spark, Llc Wide angle imaging directional backlights
US12366701B2 (en) 2017-05-08 2025-07-22 Reald Spark, Llc Optical stack for imaging directional backlights
US12066717B2 (en) 2017-09-15 2024-08-20 Reald Spark, Llc Optical stack for switchable directional display
US11630336B2 (en) 2018-01-25 2023-04-18 Reald Spark, Llc Reflective optical stack for privacy display
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
US12038633B2 (en) 2018-01-25 2024-07-16 Reald Spark, Llc Reflective optical stack for privacy display
US12169339B2 (en) 2018-01-25 2024-12-17 Reald Spark, Llc Touch screen for privacy display
JP2023123475A (ja) * 2018-01-25 2023-09-05 リアルディー スパーク エルエルシー プライバシーディスプレイ用反射型光学スタック
JP2021513101A (ja) * 2018-01-25 2021-05-20 リアルディー スパーク エルエルシー プライバシーディスプレイ用反射型光学スタック
JP7615219B2 (ja) 2018-01-25 2025-01-16 リアルディー スパーク エルエルシー プライバシーディスプレイ用反射型光学スタック
US11808965B2 (en) 2018-03-22 2023-11-07 Reald Spark, Llc Optical waveguide for directional backlight
US11874576B2 (en) 2018-06-29 2024-01-16 Reald Spark, Llc Optical stack for privacy display
US11809052B2 (en) 2018-06-29 2023-11-07 Reald Spark, Llc Stabilization for privacy display
US12174504B2 (en) 2018-07-18 2024-12-24 Reald Spark, Llc Optical stack for switchable directional display
US11747693B2 (en) 2018-07-18 2023-09-05 Reald Spark, Llc Optical stack for switchable directional display
US12140847B2 (en) 2018-10-03 2024-11-12 ReaID Spark, LLC Display apparatus using application software context for privacy control
US12038649B2 (en) 2018-11-07 2024-07-16 Reald Spark, Llc Directional display apparatus
US11874541B2 (en) 2019-07-02 2024-01-16 Reald Spark, Llc Directional display apparatus
US12228835B2 (en) 2019-11-13 2025-02-18 ReaID Spark, LLC Display device with uniform off-axis luminance reduction
US11733578B2 (en) 2019-11-13 2023-08-22 ReaID Spark, LLC Display device with uniform off-axis luminance reduction
US11796828B2 (en) 2019-12-10 2023-10-24 Reald Spark, Llc Control of reflections of a display device
US12117621B2 (en) 2019-12-10 2024-10-15 RealD Spark Control of reflections of a display device
US11668963B2 (en) 2020-04-30 2023-06-06 Reald Spark, Llc Directional display apparatus
US11740496B2 (en) 2020-07-29 2023-08-29 Reald Spark, Llc Pupillated illumination apparatus
US11624944B2 (en) 2020-07-29 2023-04-11 Reald Spark, Llc Backlight for switchable directional display
US12013603B2 (en) 2020-07-29 2024-06-18 ReaID Spark, LLC Pupillated illumination apparatus
US11921367B2 (en) 2021-09-30 2024-03-05 Reald Spark, Llc Marks for privacy display
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
US12259608B2 (en) 2022-02-09 2025-03-25 Reald Spark, Llc Observer-tracked privacy display
US11977286B2 (en) 2022-02-09 2024-05-07 Reald Spark, Llc Observer-tracked privacy display
US11892718B2 (en) 2022-04-07 2024-02-06 Reald Spark, Llc Directional display apparatus
JP2023173806A (ja) * 2022-05-26 2023-12-07 株式会社ジャパンディスプレイ 光学素子及び表示装置
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
US12253748B2 (en) 2023-04-25 2025-03-18 Reald Spark, Llc Switchable privacy display
US12523899B2 (en) 2023-04-25 2026-01-13 Reald Spark, Llc Switchable privacy display
US12393066B2 (en) 2023-08-03 2025-08-19 Reald Spark, Llc Privacy displays

Also Published As

Publication number Publication date
CN101573651B (zh) 2011-08-24
BRPI0720442A2 (pt) 2014-11-25
CN101573651A (zh) 2009-11-04
US8169567B2 (en) 2012-05-01
RU2411559C1 (ru) 2011-02-10
US20100060824A1 (en) 2010-03-11

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