KR100957486B1 - 액정 패널 및 액정 표시 장치 - Google Patents
액정 패널 및 액정 표시 장치 Download PDFInfo
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- KR100957486B1 KR100957486B1 KR1020087006568A KR20087006568A KR100957486B1 KR 100957486 B1 KR100957486 B1 KR 100957486B1 KR 1020087006568 A KR1020087006568 A KR 1020087006568A KR 20087006568 A KR20087006568 A KR 20087006568A KR 100957486 B1 KR100957486 B1 KR 100957486B1
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- South Korea
- Prior art keywords
- liquid crystal
- polarizing plate
- polarizer
- crystal cell
- crystal panel
- Prior art date
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Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
-
- 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
-
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
Description
Claims (13)
- 액정셀과,상기 액정셀의 시인측에 배치된 제 1 편광판과,상기 액정셀의 시인측과는 반대측에 배치된 제 2 편광판을 구비하고,상기 제 1 편광판의 치수 변화율 (C1) 이 상기 제 2 편광판의 치수 변화율 (C2) 보다 크고,치수 변화율 (C) 은, 편광판으로부터 10cm × 10cm 로 자른 시험편을 40℃, 70%RH 의 항온 항습조에서 20 시간 보존한 후, 시험편을 23℃ 에서 1 시간 방치하였을 때의 변의 길이의 변화율로서, 식; C ={(시험 후의 변의 길이 - 시험 전의 변의 길이)/시험 전의 변의 길이}× 100 으로 구해지는, 액정 패널.
- 제 1 항에 있어서,상기 제 1 편광판의 치수 변화율 (C1) 과 상기 제 2 편광판의 치수 변화율 (C2) 의 차 (ΔC = C1 - C2) 가 0.02% 이상인, 액정 패널.
- 제 1 항에 있어서,상기 액정셀이 액정층과, 상기 액정층의 일방측에 배치된 제 1 기판과, 상기 액정층의 타방측에 배치된 제 2 기판을 포함하고,상기 제 1 기판 또는 상기 제 2 기판에 화소 전극 및 공통 전극이 형성되어 있는, 액정 패널.
- 제 1 항에 있어서,상기 제 1 편광판의 치수 변화율 (C1) 이 0.03% ∼ 0.20% 인, 액정 패널.
- 제 1 항에 있어서,상기 제 2 편광판의 치수 변화율 (C2) 이 0.01% ∼ 0.18% 인, 액정 패널.
- 제 1 항에 있어서,상기 제 2 편광판의 수분율 (W2) 과 상기 제 1 편광판의 수분율 (W1) 의 차 (ΔW = W2 - W1) 가 0.1% ∼ 0.5% 이고,수분율은 편광판의 전체 중량에 대한 편광판에 함유된 수분의 중량의 비율인, 액정 패널.
- 제 1 항에 있어서,상기 제 1 편광판이 제 1 편광자와, 상기 제 1 편광자의 상기 액정셀측에 배치된 제 1 보호층과, 상기 제 1 편광자의 상기 액정셀측과는 반대측에 배치된 제 2 보호층을 구비하고,상기 제 1 보호층이 실질적으로 광학적으로 등방성을 나타내는, 액정 패널.
- 제 7 항에 있어서,상기 제 2 보호층의 상기 제 1 편광자와는 반대측에 표면 처리층을 추가로 구비하는, 액정 패널.
- 제 1 항에 있어서,상기 제 2 편광판이 제 2 편광자와, 상기 제 2 편광자의 상기 액정셀측에 배치된 제 3 보호층과, 상기 제 2 편광자의 상기 액정셀측과는 반대측에 배치된 제 4 보호층을 구비하고,상기 제 3 보호층이 실질적으로 광학적으로 등방성을 나타내는, 액정 패널.
- 제 1 항에 있어서,상기 액정셀과 상기 제 1 편광판 사이에 제 1 점착제층을 추가로 구비하는, 액정 패널.
- 제 10 항에 있어서,상기 액정셀과 상기 제 2 편광판 사이에 제 2 점착제층을 추가로 구비하는, 액정 패널.
- 제 11 항에 있어서,상기 제 1 점착제층 및/또는 상기 제 2 점착제층이, (메타)아크릴계 폴리머 (A) 와 과산화물 (B) 를 함유하는 점착성 조성물을 가교시켜 형성되어 있는, 액정 패널.
- 제 1 항 내지 제 12 항 중 어느 한 항에 기재된 액정 패널을 포함하는, 액정 표시 장치.
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JP2006120010A JP5268234B2 (ja) | 2006-04-25 | 2006-04-25 | 液晶パネルおよび液晶表示装置 |
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EP (1) | EP2012174A4 (ko) |
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JP5268234B2 (ja) * | 2006-04-25 | 2013-08-21 | 日東電工株式会社 | 液晶パネルおよび液晶表示装置 |
JP4902516B2 (ja) | 2007-12-17 | 2012-03-21 | 日東電工株式会社 | 視角制御システムならびに画像表示装置 |
KR20100009473A (ko) * | 2008-07-18 | 2010-01-27 | 주식회사 엘지화학 | 편광판 및 액정표시장치 |
KR101513716B1 (ko) * | 2008-09-18 | 2015-04-21 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
JP5341643B2 (ja) * | 2009-07-08 | 2013-11-13 | 株式会社ジャパンディスプレイ | 液晶表示装置、および液晶表示装置の製造方法 |
JP2011170234A (ja) * | 2010-02-22 | 2011-09-01 | Sumitomo Chemical Co Ltd | 液晶表示装置 |
JP5604331B2 (ja) * | 2010-10-22 | 2014-10-08 | 富士フイルム株式会社 | 液晶表示装置及びその製造方法 |
JP6083924B2 (ja) | 2011-08-05 | 2017-02-22 | 日東電工株式会社 | 光学積層体、光学積層体のセットおよびそれらを用いた液晶パネル |
JP5903794B2 (ja) * | 2011-08-05 | 2016-04-13 | 住友化学株式会社 | 偏光板のセット、液晶パネル及び液晶表示装置 |
JP5292457B2 (ja) * | 2011-12-28 | 2013-09-18 | 日東電工株式会社 | 視角制御システムならびに画像表示装置 |
KR102047138B1 (ko) | 2012-10-04 | 2019-11-20 | 후지필름 가부시키가이샤 | 광학 필름, 위상차 필름, 편광판 및 액정 표시 장치 |
KR101955991B1 (ko) * | 2012-12-26 | 2019-06-24 | 엘지디스플레이 주식회사 | 액정표시장치 |
JP6664866B2 (ja) * | 2013-04-05 | 2020-03-13 | 住友化学株式会社 | 偏光板のセット及び前面板一体型液晶表示パネル |
JP5932749B2 (ja) * | 2013-10-03 | 2016-06-08 | 住友化学株式会社 | 偏光板のセット及び前面板一体型液晶表示パネル |
JP5932750B2 (ja) * | 2013-10-03 | 2016-06-08 | 住友化学株式会社 | 偏光板のセット及び前面板一体型液晶表示パネル |
KR101696971B1 (ko) * | 2014-06-02 | 2017-01-16 | 제일모직주식회사 | 광학 필름, 이를 포함하는 액정 표시 장치 및 이에 사용되는 보호필름의 제조방법 |
JP6826886B2 (ja) | 2014-09-09 | 2021-02-10 | 住友化学株式会社 | 偏光板、及び、液晶パネルの製造方法 |
KR101799975B1 (ko) * | 2014-10-31 | 2017-11-21 | 에스케이씨하이테크앤마케팅(유) | 액정표시장치용 색순도 향상 및 휘도 보상 필름 및 이를 포함하는 액정표시장치 |
JP6112250B1 (ja) | 2015-12-04 | 2017-04-12 | 住友化学株式会社 | 偏光板のセット及び液晶パネル |
JP6857477B2 (ja) * | 2016-09-30 | 2021-04-14 | 日東電工株式会社 | 有機el表示装置 |
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US6814914B2 (en) * | 2001-05-30 | 2004-11-09 | Konica Corporation | Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image display |
JP2004078171A (ja) * | 2002-06-18 | 2004-03-11 | Nitto Denko Corp | 光学補償層付偏光板およびそれを用いた画像表示装置 |
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-
2006
- 2006-04-25 JP JP2006120010A patent/JP5268234B2/ja active Active
-
2007
- 2007-03-20 WO PCT/JP2007/055618 patent/WO2007122941A1/ja active Application Filing
- 2007-03-20 EP EP07739061A patent/EP2012174A4/en not_active Withdrawn
- 2007-03-20 KR KR1020087006568A patent/KR100957486B1/ko active IP Right Grant
- 2007-03-20 US US12/089,805 patent/US7812902B2/en active Active
- 2007-03-20 CN CN2007800011945A patent/CN101356472B/zh active Active
- 2007-04-19 TW TW096113848A patent/TW200801605A/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005345990A (ja) | 2004-06-07 | 2005-12-15 | Nitto Denko Corp | 液晶パネル、偏光板および液晶表示装置 |
JP2006030758A (ja) | 2004-07-20 | 2006-02-02 | Fuji Photo Film Co Ltd | 液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2007122941A1 (ja) | 2007-11-01 |
US7812902B2 (en) | 2010-10-12 |
TW200801605A (en) | 2008-01-01 |
US20100157205A1 (en) | 2010-06-24 |
CN101356472A (zh) | 2009-01-28 |
EP2012174A4 (en) | 2009-11-04 |
JP2007292966A (ja) | 2007-11-08 |
EP2012174A1 (en) | 2009-01-07 |
KR20080040003A (ko) | 2008-05-07 |
JP5268234B2 (ja) | 2013-08-21 |
TWI341401B (ko) | 2011-05-01 |
CN101356472B (zh) | 2010-06-23 |
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