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WO2009004915A1 - 液晶表示装置および積層偏光板ならびに偏光光源装置 - Google Patents

液晶表示装置および積層偏光板ならびに偏光光源装置 Download PDF

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Publication number
WO2009004915A1
WO2009004915A1 PCT/JP2008/061045 JP2008061045W WO2009004915A1 WO 2009004915 A1 WO2009004915 A1 WO 2009004915A1 JP 2008061045 W JP2008061045 W JP 2008061045W WO 2009004915 A1 WO2009004915 A1 WO 2009004915A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
light source
display device
linear polarizing
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/JP2008/061045
Other languages
English (en)
French (fr)
Inventor
Minoru Miyatake
Taku Yamada
Kuniaki Ishibashi
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko 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
Priority claimed from JP2008107134A external-priority patent/JP5393048B2/ja
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to CN2008800004787A priority Critical patent/CN101542364B/zh
Priority to US12/304,578 priority patent/US9158156B2/en
Publication of WO2009004915A1 publication Critical patent/WO2009004915A1/ja
Anticipated expiration legal-status Critical
Priority to US13/476,743 priority patent/US9110242B2/en
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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
    • 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
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133567—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the back side
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)

Abstract

　本発明は、光源（ＢＬ）、反射型直線偏光層（Ｐｒ１）、所定の光学特性を有する複屈折層（Ａ）、光源側吸収型直線偏光層（Ｐ１）、液晶セル（ＬＣ）、視認側直線偏光層（Ｐ２）が、この順に配置され、該複屈折層が所定の位相差特性を有する透過型液晶表示装置に関する。本発明の透過型液晶表示装置においては、斜め方向の光漏れが抑制されるために黒輝度が低下する。また、正面方向への配光による正面コントラストの低下も抑止し得る。
PCT/JP2008/061045 2007-06-29 2008-06-17 液晶表示装置および積層偏光板ならびに偏光光源装置 Ceased WO2009004915A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2008800004787A CN101542364B (zh) 2007-06-29 2008-06-17 液晶显示装置及层叠偏振板以及偏振光光源装置
US12/304,578 US9158156B2 (en) 2007-06-29 2008-06-17 Liquid crystal display, laminated polarizing plate and polarized light source device
US13/476,743 US9110242B2 (en) 2007-06-29 2012-05-21 Liquid crystal display, laminated polarizing plate and polarized light source device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-172632 2007-06-29
JP2007172632 2007-06-29
JP2008-107134 2008-04-16
JP2008107134A JP5393048B2 (ja) 2007-06-29 2008-04-16 液晶表示装置および積層偏光板ならびに偏光光源装置

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US12/304,578 A-371-Of-International US9158156B2 (en) 2007-06-29 2008-06-17 Liquid crystal display, laminated polarizing plate and polarized light source device
US13/476,743 Continuation US9110242B2 (en) 2007-06-29 2012-05-21 Liquid crystal display, laminated polarizing plate and polarized light source device
US13/476,743 Division US9110242B2 (en) 2007-06-29 2012-05-21 Liquid crystal display, laminated polarizing plate and polarized light source device

Publications (1)

Publication Number Publication Date
WO2009004915A1 true WO2009004915A1 (ja) 2009-01-08

Family

ID=40225968

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061045 Ceased WO2009004915A1 (ja) 2007-06-29 2008-06-17 液晶表示装置および積層偏光板ならびに偏光光源装置

Country Status (1)

Country Link
WO (1) WO2009004915A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100321627A1 (en) * 2008-02-27 2010-12-23 Asahi Glass Co., Ltd. Wavelength selective optical rotator and optical head device
JP2015096968A (ja) * 2008-03-31 2015-05-21 スリーエム イノベイティブ プロパティズ カンパニー 光学フィルム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003207634A (ja) * 2002-01-15 2003-07-25 Sharp Corp 光学素子および液晶表示装置
JP2004004764A (ja) * 2002-04-24 2004-01-08 Nitto Denko Corp 集光システムおよび透過型液晶表示装置
JP2004020943A (ja) * 2002-06-17 2004-01-22 Fuji Photo Film Co Ltd 偏光選択膜、偏光形成方法、偏光形成装置、偏光板および液晶表示装置
JP2004184575A (ja) * 2002-12-02 2004-07-02 Sumitomo Chem Co Ltd 半透過半反射性偏光フィルム並びにそれを用いた偏光光源装置及び液晶表示装置
JP2008090288A (ja) * 2006-09-06 2008-04-17 Fujifilm Corp 液晶表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003207634A (ja) * 2002-01-15 2003-07-25 Sharp Corp 光学素子および液晶表示装置
JP2004004764A (ja) * 2002-04-24 2004-01-08 Nitto Denko Corp 集光システムおよび透過型液晶表示装置
JP2004020943A (ja) * 2002-06-17 2004-01-22 Fuji Photo Film Co Ltd 偏光選択膜、偏光形成方法、偏光形成装置、偏光板および液晶表示装置
JP2004184575A (ja) * 2002-12-02 2004-07-02 Sumitomo Chem Co Ltd 半透過半反射性偏光フィルム並びにそれを用いた偏光光源装置及び液晶表示装置
JP2008090288A (ja) * 2006-09-06 2008-04-17 Fujifilm Corp 液晶表示装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100321627A1 (en) * 2008-02-27 2010-12-23 Asahi Glass Co., Ltd. Wavelength selective optical rotator and optical head device
JP2015096968A (ja) * 2008-03-31 2015-05-21 スリーエム イノベイティブ プロパティズ カンパニー 光学フィルム

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