WO2008139862A1 - Panneau à cristaux liquides et afficheur à cristaux liquides - Google Patents

Panneau à cristaux liquides et afficheur à cristaux liquides Download PDF

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Publication number
WO2008139862A1
WO2008139862A1 PCT/JP2008/057810 JP2008057810W WO2008139862A1 WO 2008139862 A1 WO2008139862 A1 WO 2008139862A1 JP 2008057810 W JP2008057810 W JP 2008057810W WO 2008139862 A1 WO2008139862 A1 WO 2008139862A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal panel
polarizer
crystal display
optical compensation
Prior art date
Application number
PCT/JP2008/057810
Other languages
English (en)
Japanese (ja)
Inventor
Takeharu Kitagawa
Kentarou Takeda
Nao Murakami
Hiroyuki Yoshimi
Original Assignee
Nitto Denko Corporation
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 JP2008035733A external-priority patent/JP5475241B2/ja
Application filed by Nitto Denko Corporation filed Critical Nitto Denko Corporation
Priority to CN200880016030A priority Critical patent/CN101681045A/zh
Priority to US12/597,991 priority patent/US8355102B2/en
Priority to KR1020127005702A priority patent/KR101413918B1/ko
Priority to KR1020147006024A priority patent/KR20140044398A/ko
Publication of WO2008139862A1 publication Critical patent/WO2008139862A1/fr

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
    • G02F1/13363—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

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)
  • Liquid Crystal (AREA)

Abstract

Panneau à cristaux liquides qui présente un rapport de contraste élevé, et afficheur à cristaux liquides comprenant ce panneau à cristaux liquides. Le panneau à cristaux liquides comprend un premier polariseur, une première couche de compensation optique, une cellule à cristaux liquides, une seconde couche de compensation optique et un second polariseur dans cet ordre depuis le côté visible, la première et la seconde couches de compensation optique ayant une répartition d'indice de réfraction de nx > ny > nz, et le facteur de transmission (T2) du second polariseur étant supérieur au facteur de transmission (T1) du premier polariseur.
PCT/JP2008/057810 2007-05-16 2008-04-23 Panneau à cristaux liquides et afficheur à cristaux liquides WO2008139862A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN200880016030A CN101681045A (zh) 2007-05-16 2008-04-23 液晶面板及液晶显示装置
US12/597,991 US8355102B2 (en) 2007-05-16 2008-04-23 Liquid crystal panel and liquid crystal display apparatus
KR1020127005702A KR101413918B1 (ko) 2007-05-16 2008-04-23 액정 패널 및 액정 표시 장치
KR1020147006024A KR20140044398A (ko) 2007-05-16 2008-04-23 액정 패널 및 액정 표시 장치

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007-130254 2007-05-16
JP2007130254 2007-05-16
JP2007-201562 2007-08-02
JP2007201562 2007-08-02
JP2008035733A JP5475241B2 (ja) 2007-05-16 2008-02-18 液晶パネルおよび液晶表示装置
JP2008-035733 2008-02-18

Publications (1)

Publication Number Publication Date
WO2008139862A1 true WO2008139862A1 (fr) 2008-11-20

Family

ID=40002078

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057810 WO2008139862A1 (fr) 2007-05-16 2008-04-23 Panneau à cristaux liquides et afficheur à cristaux liquides

Country Status (1)

Country Link
WO (1) WO2008139862A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010160238A (ja) * 2009-01-07 2010-07-22 Nitto Denko Corp 液晶パネルおよび液晶表示装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55152516U (fr) * 1980-04-23 1980-11-04
JP2006018317A (ja) * 2002-10-08 2006-01-19 Nitto Denko Corp 偏光子、光学フィルムおよび画像表示装置
WO2006052116A1 (fr) * 2004-11-15 2006-05-18 Lg Chem, Ltd. Film a base de polynorbornene optique biaxial et son procede de production, polariseur de compensation optique integree dote du film et procede de production du polariseur et panneau d'affichage a cristaux liquides contenant le film et/ou le polariseur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55152516U (fr) * 1980-04-23 1980-11-04
JP2006018317A (ja) * 2002-10-08 2006-01-19 Nitto Denko Corp 偏光子、光学フィルムおよび画像表示装置
WO2006052116A1 (fr) * 2004-11-15 2006-05-18 Lg Chem, Ltd. Film a base de polynorbornene optique biaxial et son procede de production, polariseur de compensation optique integree dote du film et procede de production du polariseur et panneau d'affichage a cristaux liquides contenant le film et/ou le polariseur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010160238A (ja) * 2009-01-07 2010-07-22 Nitto Denko Corp 液晶パネルおよび液晶表示装置
US8743319B2 (en) 2009-01-07 2014-06-03 Nitto Denko Corporation Liquid crystal panel having several polarizing plates with related light transmittance and liquid crystal display apparatus

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