KR100692939B1 - 액정 패널 및 액정 표시 장치 - Google Patents
액정 패널 및 액정 표시 장치 Download PDFInfo
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- KR100692939B1 KR100692939B1 KR1020050114917A KR20050114917A KR100692939B1 KR 100692939 B1 KR100692939 B1 KR 100692939B1 KR 1020050114917 A KR1020050114917 A KR 1020050114917A KR 20050114917 A KR20050114917 A KR 20050114917A KR 100692939 B1 KR100692939 B1 KR 100692939B1
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- liquid crystal
- optical element
- polarizer
- film
- crystal cell
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Images
Classifications
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- G—PHYSICS
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- 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
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- G—PHYSICS
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- G02B5/30—Polarising elements
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- G—PHYSICS
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- 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
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- G—PHYSICS
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- 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
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- 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
- G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
-
- 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
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
-
- 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
- G02F1/141—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 using ferroelectric liquid crystals
-
- 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
- G02F2201/50—Protective arrangements
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- Optics & Photonics (AREA)
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- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
Description
Claims (20)
- 액정셀;상기 액정셀의 하나의 단부 상에 배열된 제 1 편광자;상기 액정셀의 다른 단부 상에 배열된 제 2 편광자;상기 액정셀과 상기 제 1 편광자 사이에 배열된 포지티브 (positive) C 플레이트 및 네거티브 (negative) 이축성 광학 소자; 및상기 액정셀과 상기 제 2 편광자 사이에 배열된 등방성 광학 소자를 포함하며,상기 네거티브 이축성 광학 소자는 상기 제 1 편광자와 상기 포지티브 C 플레이트 사이에 배열되는, 액정 패널.
- 제 1 항에 있어서,상기 액정셀은 전계의 미인가 시 균일하게 배향된 액정 분자를 함유하는 액정층을 포함하는, 액정 패널.
- 제 2 항에 있어서,상기 액정층은 nx>ny=nz 의 굴절율 프로파일을 갖는, 액정 패널.
- 제 3 항에 있어서,상기 액정셀은 IPS 모드, FFS 모드, 및 FLC 모드 중 하나를 포함하는, 액정 패널.
- 제 1 항에 있어서,상기 액정셀의 초기 배향 방향은 상기 제 2 편광자의 흡수축의 방향과 실질적으로 평행한, 액정 패널.
- 제 5 항에 있어서,상기 액정셀의 상기 초기 배향 방향은 상기 액정셀의 백라이트측 상에 배열된 상기 편광자의 흡수축 방향과 실질적으로 평행한, 액정 패널.
- 제 5 항에 있어서,상기 액정셀의 상기 초기 배향 방향은 상기 액정셀의 백라이트측 상에 배열된 상기 편광자의 흡수축의 방향과 실질적으로 수직한, 액정 패널.
- 제 1 항에 있어서,상기 네거티브 이축성 광학 소자의 지상축 (slow axis) 과 상기 제 1 편광자의 흡수축과 실질적으로 수직한, 액정 패널.
- 제 1 항에 있어서,상기 네거티브 이축성 광학 소자는 23 ℃ 에서 590 nm 의 파장의 광을 이용하여 결정된 50 내지 180 nm 의 면내 위상차값 (Re[590]) 을 갖는, 액정 패널.
- 제 9 항에 있어서,상기 네거티브 이축성 광학 소자는 23 ℃ 에서 590 nm 의 파장의 광을 이용하여 결정된 110 내지 250 nm 의 두께 방향 위상차값 (Re[590]) 을 가지며;상기 두께 방향 위상차값 (Rth[590]) 은 Re[590] 보다 큰, 액정 패널.
- 제 1 항에 있어서,상기 네거티브 이축성 광학 소자는 0.8 내지 1.2 의 Re[480]/Re[590] 을 갖는, 액정 패널.
- 제 1 항에 있어서,상기 네거티브 이축성 광학 소자는 주성분으로서 셀룰로오스 에스테르를 함유하는 폴리머 필름의 연신 필름을 포함하는, 액정 패널.
- 제 12 항에 있어서,상기 폴리머 필름은 2.0×10-13 내지 1.0×10- 10 의 광탄성 계수 C[590](m2/N) 의 절대값을 갖는, 액정 패널.
- 제 1 항에 있어서,상기 포지티브 C 플레이트는 23 ℃ 에서 590 nm 의 파장의 광을 이용하여 결정된 -200 내지 -30 nm 의 두께 방향 위상차값 (Rth[590]) 을 갖는, 액정 패널.
- 제 1 항에 있어서,상기 포지티브 C 플레이트는 단일 위상차 필름을 포함하는, 액정 패널.
- 제 15 항에 있어서,상기 포지티브 C 플레이트는 0.1 내지 3 ㎛ 의 두께를 갖는, 액정 패널.
- 제 1 항에 있어서,상기 포지티브 C 플레이트는 수직 배향된 액정성 조성물의 경화층 (hardened layer) 및 큐어링층(cured layer) 중 하나를 포함하는, 액정 패널.
- 제 1 항에 있어서,상기 등방성 광학 소자는 폴리노르보르넨, 셀룰로오스 에스테르, 이소부틸렌/N-메틸말레이미드 코폴리머, 및 아크릴오니트릴/스티렌 코폴리머로 이루어지는 그룹에서 선택된 하나 이상의 수지를 주성분으로서 함유하는 폴리머 필름을 포함하는, 액정 패널.
- 제 1 항에 기재된 액정 패널을 포함하는 액정 텔레비전.
- 제 1 항에 기재된 액정 패널을 포함하는 액정 표시 장치.
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JPJP-P-2004-00344053 | 2004-11-29 | ||
JP2004344053 | 2004-11-29 | ||
JP2005244847A JP3926824B2 (ja) | 2004-11-29 | 2005-08-25 | 液晶パネル及び液晶表示装置 |
JPJP-P-2005-00244847 | 2005-08-25 |
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- 2005-10-27 TW TW094137607A patent/TWI285275B/zh active
- 2005-11-03 US US11/265,202 patent/US7463320B2/en active Active
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US7463320B2 (en) | 2008-12-09 |
JP3926824B2 (ja) | 2007-06-06 |
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