KR100685570B1 - 광학 보상 편광판 및 액정 표시 장치 - Google Patents
광학 보상 편광판 및 액정 표시 장치 Download PDFInfo
- Publication number
- KR100685570B1 KR100685570B1 KR1020020010812A KR20020010812A KR100685570B1 KR 100685570 B1 KR100685570 B1 KR 100685570B1 KR 1020020010812 A KR1020020010812 A KR 1020020010812A KR 20020010812 A KR20020010812 A KR 20020010812A KR 100685570 B1 KR100685570 B1 KR 100685570B1
- Authority
- KR
- South Korea
- Prior art keywords
- optical compensation
- polarizing plate
- axis
- compensation film
- film
- Prior art date
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Classifications
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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
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- 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
Description
450 nm | 550 nm | 650 nm | |
실시예 1 | 0.1% | 0.1% | 0.5% |
비교 실시예 1 | 1.3% | 0.5% | 2.4% |
비교 실시예 2 | 3.0% | 3.7% | 3.7% |
Claims (2)
- 흡수형 편광 소자, 및 상기 흡수형 편광 소자의 양면에 제공되고 10 nm 이하의 면내 위상차 및 30 내지 70 nm 범위의 두께 방향 위상차를 나타내는 투명 보호층을 포함하는 편광판; 및각 광학 보상 필름의 느린 축이 상기 편광판의 흡수축에 수직으로 교차하도록 상기 편광판의 양면의 일면 또는 양면에 적층되고 80 내지 200 nm 범위의 면내 위상차 및 -0.2 내지 0.2 범위의 Nz = (nx - nz)/(nx - ny)를 나타내는(식에서, Nz는 광학 보상 필름의 두께 방향을 나타내는 Z축 방향의 굴절률이고, nx는 Z축에 수직인 광학 보상 필름의 시이트 면내의 방향을 나타내는 X축 방향의 굴절률이고, ny는 Z축 및 X축에 모두 수직인 광학 보상 필름의 방향을 나타내는 Y축 방향의 굴절률이고, nx 및 ny는 nx > ny의 관계를 만족한다) 하나 이상의 광학 보상 필름을 포함하는 광학 보상 편광판.
- 액정 셀; 및상기 액정 셀의 양면의 일면 또는 양면에 제공되는 제 1 항에 따른 하나의 광학 보상 편광판을 포함하는 액정 표시 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001056323A JP2002258041A (ja) | 2001-03-01 | 2001-03-01 | 光学補償偏光板及び液晶表示装置 |
JPJP-P-2001-00056323 | 2001-03-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020070856A KR20020070856A (ko) | 2002-09-11 |
KR100685570B1 true KR100685570B1 (ko) | 2007-02-22 |
Family
ID=18916365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020010812A KR100685570B1 (ko) | 2001-03-01 | 2002-02-28 | 광학 보상 편광판 및 액정 표시 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6927821B2 (ko) |
JP (1) | JP2002258041A (ko) |
KR (1) | KR100685570B1 (ko) |
CN (1) | CN1232841C (ko) |
TW (1) | TW528882B (ko) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3687854B2 (ja) * | 2002-10-15 | 2005-08-24 | 日東電工株式会社 | 光学フィルムおよび液晶表示装置 |
US7289179B2 (en) * | 2002-11-08 | 2007-10-30 | Samsung Electronics Co., Ltd. | Liquid crystal display |
JP4054670B2 (ja) * | 2002-12-13 | 2008-02-27 | 富士フイルム株式会社 | 偏光板および液晶表示装置 |
KR100925462B1 (ko) | 2003-02-14 | 2009-11-06 | 삼성전자주식회사 | 액정 표시 장치 |
US7651643B2 (en) * | 2003-04-21 | 2010-01-26 | Nitto Denko Corporation | Polarizer, method for producing same, polarizing plate, optical film, and image display |
JP2005037440A (ja) * | 2003-07-15 | 2005-02-10 | Konica Minolta Opto Inc | 光学補償フィルム、偏光板及び液晶表示装置 |
TWI242083B (en) * | 2003-08-11 | 2005-10-21 | Sony Corp | Liquid crystal display device |
JP4136872B2 (ja) * | 2003-09-25 | 2008-08-20 | 日東電工株式会社 | 光学フィルムおよび画像表示装置 |
JP4136871B2 (ja) * | 2003-09-25 | 2008-08-20 | 日東電工株式会社 | 光学フィルムおよび画像表示装置 |
US20060240196A1 (en) * | 2003-10-10 | 2006-10-26 | Shunsuke Shutou | Method of producing retardation plate |
JP4883518B2 (ja) * | 2003-12-12 | 2012-02-22 | Nltテクノロジー株式会社 | 液晶表示装置 |
US7057682B2 (en) * | 2003-12-24 | 2006-06-06 | 3M Innovative Properties Co. | Liquid crystal display with neutral dark state |
US7400371B2 (en) * | 2004-02-03 | 2008-07-15 | Sumitomo Chemical Company, Limited | Liquid crystal display having particular retardation plate |
TWI268372B (en) * | 2004-03-26 | 2006-12-11 | Nitto Denko Corp | IPS mode liquid crystal display to realize a high contrast ratio over a wide range by laminating a polarizing plate and a retardation film to form an optical film |
JP4693062B2 (ja) * | 2004-03-26 | 2011-06-01 | 日東電工株式会社 | Ipsモード液晶表示装置 |
JP2006106180A (ja) * | 2004-10-01 | 2006-04-20 | Nitto Denko Corp | 光学フィルムおよび画像表示装置 |
JP4640929B2 (ja) * | 2004-11-09 | 2011-03-02 | 日東電工株式会社 | 液晶表示装置 |
TWI567432B (zh) * | 2004-11-09 | 2017-01-21 | Zeon Corp | A polarizing plate, a manufacturing method thereof, and a liquid crystal display device |
JP4740604B2 (ja) * | 2005-01-21 | 2011-08-03 | 富士フイルム株式会社 | 光学補償フィルム、その製造方法、偏光板および液晶表示装置 |
JP4792777B2 (ja) * | 2005-03-25 | 2011-10-12 | 東ソー株式会社 | 広視野角補償フィルム及びそれを用いてなる透過型液晶表示装置 |
US20070091229A1 (en) * | 2005-06-09 | 2007-04-26 | Jang Soo J | Vertically aligned liquid crystal display |
JP5311605B2 (ja) * | 2005-06-30 | 2013-10-09 | 日東電工株式会社 | 液晶パネルおよび液晶表示装置 |
US7499126B2 (en) * | 2005-08-08 | 2009-03-03 | Samsung Electronics Co., Ltd. | Polarizing film and display device having the same |
JP5116287B2 (ja) * | 2005-11-21 | 2013-01-09 | 株式会社ジャパンディスプレイイースト | 液晶表示装置 |
JPWO2007129464A1 (ja) * | 2006-05-01 | 2009-09-17 | 三井化学株式会社 | 光学部品の複屈折の波長依存性を補正する方法、光学部品、およびそれらを用いて得られた表示装置 |
JP4997591B2 (ja) * | 2007-03-30 | 2012-08-08 | Nltテクノロジー株式会社 | タッチパネル付き液晶表示装置及び端末装置 |
JP2008268372A (ja) * | 2007-04-17 | 2008-11-06 | Fujinon Corp | 位相差補償素子及びその製造方法 |
JP2008268466A (ja) * | 2007-04-19 | 2008-11-06 | Fujinon Corp | 位相差補償素子及びその製造方法 |
US20090050219A1 (en) * | 2007-08-21 | 2009-02-26 | Briggs And Stratton Corporation | Fluid compressor and control device for the same |
JP6171276B2 (ja) * | 2011-07-12 | 2017-08-02 | 住友化学株式会社 | 偏光子及びその製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69124911T2 (de) * | 1990-10-24 | 1997-06-19 | Nitto Denko Corp | Doppelbrechender Film, Verfahren zu seiner Herstellung, verzögernder Film, elliptischer Polarisator und Flüssigkristallanzeigevorrichtung |
US6320042B1 (en) * | 1999-03-03 | 2001-11-20 | Konica Corporation | Polarizing plate protective cellulose triacetate film |
US7045216B2 (en) * | 1999-12-28 | 2006-05-16 | Gunze Co., Ltd. | Polarizing plate |
-
2001
- 2001-03-01 JP JP2001056323A patent/JP2002258041A/ja active Pending
-
2002
- 2002-02-28 US US10/084,054 patent/US6927821B2/en not_active Expired - Lifetime
- 2002-02-28 KR KR1020020010812A patent/KR100685570B1/ko not_active IP Right Cessation
- 2002-03-01 TW TW091103811A patent/TW528882B/zh not_active IP Right Cessation
- 2002-03-01 CN CNB021056439A patent/CN1232841C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2002258041A (ja) | 2002-09-11 |
KR20020070856A (ko) | 2002-09-11 |
CN1374549A (zh) | 2002-10-16 |
CN1232841C (zh) | 2005-12-21 |
US6927821B2 (en) | 2005-08-09 |
US20020149726A1 (en) | 2002-10-17 |
TW528882B (en) | 2003-04-21 |
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