GB2413394A - Display - Google Patents

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Publication number
GB2413394A
GB2413394A GB0408742A GB0408742A GB2413394A GB 2413394 A GB2413394 A GB 2413394A GB 0408742 A GB0408742 A GB 0408742A GB 0408742 A GB0408742 A GB 0408742A GB 2413394 A GB2413394 A GB 2413394A
Authority
GB
United Kingdom
Prior art keywords
display
liquid crystal
layers
nematic
polarisers
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.)
Withdrawn
Application number
GB0408742A
Other languages
English (en)
Other versions
GB0408742D0 (en
Inventor
Robert Winlow
Elizabeth Acosta
Martin David Tillin
Paul Bonnett
Diana Ulrich Kean
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 GB0408742A priority Critical patent/GB2413394A/en
Publication of GB0408742D0 publication Critical patent/GB0408742D0/en
Priority to US11/109,364 priority patent/US7633586B2/en
Priority to JP2005122993A priority patent/JP4766542B2/ja
Priority to CNB2005100788114A priority patent/CN100437278C/zh
Priority to EP05103193A priority patent/EP1589366B1/en
Publication of GB2413394A publication Critical patent/GB2413394A/en
Withdrawn legal-status Critical Current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
    • G02F1/1323—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
    • G02F1/1347—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
    • G02F1/133—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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • 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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved 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
    • G02F1/137—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
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/02—Number of plates being 2
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/07—All plates on one side of the 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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)
GB0408742A 2004-04-20 2004-04-20 Display Withdrawn GB2413394A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB0408742A GB2413394A (en) 2004-04-20 2004-04-20 Display
US11/109,364 US7633586B2 (en) 2004-04-20 2005-04-19 Display
JP2005122993A JP4766542B2 (ja) 2004-04-20 2005-04-20 付加的光変調ｌｃ部分を通す視覚切替え式ディスプレイデバイス
CNB2005100788114A CN100437278C (zh) 2004-04-20 2005-04-20 显示器
EP05103193A EP1589366B1 (en) 2004-04-20 2005-04-20 Display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0408742A GB2413394A (en) 2004-04-20 2004-04-20 Display

Publications (2)

Publication Number Publication Date
GB0408742D0 GB0408742D0 (en) 2004-05-26
GB2413394A true GB2413394A (en) 2005-10-26

Family

ID=32344038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0408742A Withdrawn GB2413394A (en) 2004-04-20 2004-04-20 Display

Country Status (5)

Country Link
US (1) US7633586B2 (enExample)
EP (1) EP1589366B1 (enExample)
JP (1) JP4766542B2 (enExample)
CN (1) CN100437278C (enExample)
GB (1) GB2413394A (enExample)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2439961A (en) * 2006-07-07 2008-01-16 Sharp Kk Liquid crystal cell switchable between two viewing angles
WO2009110128A1 (en) 2008-03-04 2009-09-11 Sharp Kabushiki Kaisha Display device
US7880843B2 (en) 2006-07-05 2011-02-01 Sharp Kabushiki Kaisha Liquid crystal display device and viewing angle control panel
JP4750136B2 (ja) * 2005-05-21 2011-08-17 シャープ株式会社 ディスプレイ
US8194215B2 (en) 2006-11-07 2012-06-05 Sharp Kabushiki Kaisha Liquid crystal device and display apparatus having a pair of electrodes with a vertical alignment film in which the chiral pitch length to gap ratio (P/G) is 0.06 to less than 1.0
JP2012190054A (ja) * 2005-07-08 2012-10-04 Sharp Corp 表示装置および動作プログラム
US8325416B2 (en) 2006-06-13 2012-12-04 Sharp Kabushiki Kaisha Re-writeable optical element and a display, reflector and backlight incorporating the same
US8368727B2 (en) 2010-01-18 2013-02-05 Sharp Kabushiki Kaisha Angular dependent pixels for trick view
US8629821B2 (en) 2011-09-12 2014-01-14 Sharp Kabushiki Kaisha Display device with faster changing side image
KR20140040860A (ko) 2011-10-28 2014-04-03 샤프 가부시키가이샤 멀티프라이머리 이미지 디스플레이 패널을 포함하는 디스플레이 장치 상에 디스플레이되는 이미지 데이터를 처리하는 방법
US8836715B2 (en) 2009-09-16 2014-09-16 Sharp Kabushiki Kaisha Method, apparatus and program for processing image data for display by a display panel of a display device, and a display device
US8885018B2 (en) 2008-02-21 2014-11-11 Sharp Kabushiki Kaisha Display device configured to simultaneously exhibit multiple display modes
US8896507B2 (en) 2007-10-30 2014-11-25 Sharp Kabushiki Kaisha Liquid crystal device
US9058788B2 (en) 2009-09-16 2015-06-16 Sharp Kabushiki Kaisha Apparatus, display device, and method thereof for processing image data for display by a display panel
RU2689440C1 (ru) * 2017-03-24 2019-05-28 Бейдзин Сяоми Мобайл Софтвэр Ко., Лтд. Способ и устройство для переключения угла обзора

Families Citing this family (133)

* Cited by examiner, † Cited by third party
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WO2006025326A1 (ja) * 2004-08-31 2006-03-09 Sharp Kabushiki Kaisha 視野角制御デバイス、表示装置、視野角制御デバイスの制御方法、視野角制御プログラム、および該プログラムを記録した記録媒体
KR100809231B1 (ko) * 2004-09-07 2008-03-05 샤프 가부시키가이샤 표시 장치, 시야각 제어 장치, 및 전자 기기
WO2006030702A1 (ja) * 2004-09-15 2006-03-23 Sharp Kabushiki Kaisha 表示装置、視野角制御装置、および電子機器
JP4290734B2 (ja) * 2004-09-17 2009-07-08 シャープ株式会社 表示装置および視野角制御装置、電子機器
KR100848762B1 (ko) * 2004-10-04 2008-07-28 샤프 가부시키가이샤 표시 장치 및 전자 기기
JP2007041489A (ja) * 2004-12-14 2007-02-15 Fujitsu Ten Ltd 表示装置、枠部材および反射抑制部材
JP4511375B2 (ja) * 2005-01-26 2010-07-28 レノボ シンガポール プライヴェート リミテッド 視野角の制御が可能な情報処理装置、制御方法およびコンピュータ・プログラム
JP4762232B2 (ja) * 2005-04-01 2011-08-31 シャープ株式会社 携帯情報端末装置及び表示端末装置
JP4811861B2 (ja) * 2005-05-31 2011-11-09 シャープ株式会社 表示端末装置
GB2427033A (en) * 2005-06-07 2006-12-13 Sharp Kk A display switchable between public and private modes
KR101222951B1 (ko) * 2005-10-13 2013-01-17 엘지디스플레이 주식회사 시야각 제어 액정표시장치
JP2007163872A (ja) * 2005-12-14 2007-06-28 Sharp Corp 液晶表示装置
KR101258591B1 (ko) * 2005-12-23 2013-05-02 엘지디스플레이 주식회사 액정표시장치 및 그 구동방법
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WO2007094390A1 (ja) * 2006-02-17 2007-08-23 Sharp Kabushiki Kaisha ディスプレイおよびそれに用いられる視野角制御装置
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JP4768480B2 (ja) * 2006-03-20 2011-09-07 Ｎｅｃ液晶テクノロジー株式会社 視野角制御表示装置及びこれを備えた端末機
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CN101405643B (zh) * 2006-05-31 2012-01-18 夏普株式会社 液晶显示装置
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WO2007139193A1 (ja) * 2006-05-31 2007-12-06 Sharp Kabushiki Kaisha ディスプレイおよびそれに用いられる視野角制御装置
JP4899155B2 (ja) * 2006-09-26 2012-03-21 Ｎｌｔテクノロジー株式会社 表示装置
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JP4112596B1 (ja) * 2006-12-18 2008-07-02 シャープ株式会社 液晶表示装置、携帯型情報端末装置、視野角制御方法、制御プログラム、および、記録媒体
KR101476841B1 (ko) * 2006-12-28 2014-12-24 엘지디스플레이 주식회사 시야각 제어 액정표시장치
KR101363653B1 (ko) * 2006-12-29 2014-02-17 엘지디스플레이 주식회사 시야각 제어 가능한 프로그램어블 액정 표시 장치 및 그구동 방법
KR101361971B1 (ko) * 2006-12-29 2014-02-11 엘지디스플레이 주식회사 액정표시장치와 그 시야각 제어방법
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