KR100834332B1 - 광학 보상층 부착 편광판 및 그것을 사용한 화상 표시 장치 - Google Patents
광학 보상층 부착 편광판 및 그것을 사용한 화상 표시 장치 Download PDFInfo
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- KR100834332B1 KR100834332B1 KR1020067010655A KR20067010655A KR100834332B1 KR 100834332 B1 KR100834332 B1 KR 100834332B1 KR 1020067010655 A KR1020067010655 A KR 1020067010655A KR 20067010655 A KR20067010655 A KR 20067010655A KR 100834332 B1 KR100834332 B1 KR 100834332B1
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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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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- 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
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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
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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
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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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133633—Birefringent elements, e.g. for optical compensation using mesogenic materials
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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
- G02F1/13363—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
- G02F2202/00—Materials and properties
- G02F2202/40—Materials having a particular birefringence, retardation
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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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/04—Number of plates greater than or equal to 4
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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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/07—All plates on one side of the LC cell
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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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/08—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with a particular optical axis orientation
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
Description
두께 (㎛) | 투과율 (%) | 열 편차 | |||
가열 전(%) | 가열 후(%) | 변화량 | |||
실시예 1 | 262 | 0.10 | 0.21 | 1.55 | 1.34 |
실시예 2 | 340 | 0.10 | 7.53 | 12.18 | 4.65 |
실시예 3 | 322 | 0.10 | 0.25 | 1.60 | 1.35 |
비교예 1 | 262 | 0.85 | 1.22 | 2.60 | 1.38 |
비교예 2 | 262 | 0.80 | 1.28 | 2.70 | 1.42 |
비교예 3 | 340 | 0.85 | 8.02 | 12.54 | 4.52 |
Claims (9)
- 삭제
- 삭제
- 편광자, 제 1 광학 보상층, 제 2 광학 보상층, 및 제 3 광학 보상층을 이 순서로 포함하고,상기 제 1 광학 보상층은 광탄성 계수의 절대값이 2×10-11㎡/N 이하인 수지를 함유하고, nx>ny=nz 의 관계를 가지며, 또한 그 면내 위상차 (Re1) 가 200∼300㎚ 이고,상기 제 2 광학 보상층은 광탄성 계수의 절대값이 2×10-11㎡/N 이하인 수지를 함유하고, nx>ny=nz 의 관계를 갖고, 또한 그 면내 위상차 (Re2) 가 90∼160㎚ 이고,상기 제 3 광학 보상층은 선택 반사의 파장역이 350㎚ 이하인 콜레스테릭 배향 고화층으로 이루어지고, nx=ny>nz 의 관계를 갖고, 그 면내 위상차 (Re3) 가 0∼20㎚ 이고, 또한 그 두께 방향의 위상차 (Rth3) 가 30∼300㎚ 이고,상기 편광자의 흡수축과 상기 제 1 광학 보상층의 지상축이 이루는 각도가 10°∼30°이고, 상기 편광자의 흡수축과 상기 제 2 광학 보상층의 지상축이 이루는 각도가 70°∼95°이며, 또한, 상기 편광자의 흡수축과 상기 제 3 광학 보상층의 지상축이 이루는 70°∼95°이고,VA 모드 액정표시장치용인, 광학 보상층 부착 편광판.
- 편광자, 제 1 광학 보상층, 제 2 광학 보상층, 및 제 3 광학 보상층을 이 순서로 포함하고,상기 제 1 광학 보상층은 광탄성 계수의 절대값이 2×10-11㎡/N 이하인 수지를 함유하고, nx>ny=nz 의 관계를 가지며, 또한 그 면내 위상차 (Re1) 가 200∼300㎚ 이고,상기 제 2 광학 보상층은 광탄성 계수의 절대값이 2×10-11㎡/N 이하인 수지를 함유하고, nx>ny=nz 의 관계를 갖고, 또한 그 면내 위상차 (Re2) 가 90∼160㎚ 이고,상기 제 3 광학 보상층은, nx=ny>nz 의 관계를 갖고 광탄성 계수의 절대값이 2×10-11㎡/N 이하인 수지를 함유하는 필름으로 이루어지는 층과, 선택 반사의 파장역이 350㎚ 이하인 콜레스테릭 배향 고화층의 적층구조를 갖고, 상기 제 3 광학 보상층 전체로서 nx=ny>nz 의 관계를 갖고, 그 면내 위상차 (Re3) 가 0∼20㎚ 이고, 그리고, 그 두께 방향의 위상차 (Rth3) 가 30∼300㎚ 이고,상기 편광자의 흡수축과 상기 제 1 광학 보상층의 지상축이 이루는 각도가 10°∼30°이고, 상기 편광자의 흡수축과 상기 제 2 광학 보상층의 지상축이 이루는 각도가 70°∼95°이며, 또한, 상기 편광자의 흡수축과 상기 제 3 광학 보상층의 지상축이 이루는 70°∼95°이고,VA 모드 액정표시장치용인, 광학 보상층 부착 편광판.
- 제 3 항 또는 제 4 항에 기재된 광학 보상층 부착 편광판과 VA 모드인 액정 셀을 포함하는, 액정 패널.
- 삭제
- 제 5 항에 기재된 액정 패널을 포함하는, 액정 표시 장치.
- 삭제
- 제 3 항 또는 제 4 항에 있어서,상기 제 3 광학 보상층의 두께는 1∼50㎛ 인, 광학 보상층 부착 편광판.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2004-00349387 | 2004-12-02 | ||
JP2004349387 | 2004-12-02 | ||
JPJP-P-2005-00100958 | 2005-03-31 | ||
JP2005100958 | 2005-03-31 |
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KR20060107540A KR20060107540A (ko) | 2006-10-13 |
KR100834332B1 true KR100834332B1 (ko) | 2008-06-02 |
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US (1) | US7423714B2 (ko) |
KR (1) | KR100834332B1 (ko) |
TW (1) | TW200636361A (ko) |
WO (1) | WO2006059545A1 (ko) |
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JP3874200B2 (ja) * | 2004-11-22 | 2007-01-31 | 日東電工株式会社 | 光学補償層付偏光板、液晶パネル、液晶表示装置および光学補償層付偏光板の製造方法 |
US20090122236A1 (en) * | 2005-10-21 | 2009-05-14 | Nitto Denko Corporation | Polarizing plate with an optical compensation layer and image display apparatus using the same |
KR20090027189A (ko) * | 2006-04-28 | 2009-03-16 | 스미또모 가가꾸 가부시키가이샤 | 복합 편광판 및 그것을 이용한 액정 표시 장치 |
JP5252335B2 (ja) * | 2006-10-27 | 2013-07-31 | Nltテクノロジー株式会社 | 液晶表示装置、および端末装置 |
JP4998941B2 (ja) * | 2006-11-20 | 2012-08-15 | 日東電工株式会社 | 積層光学フィルム、積層光学フィルムを用いた液晶パネルおよび液晶表示装置 |
JP2008165185A (ja) * | 2006-12-07 | 2008-07-17 | Nitto Denko Corp | 積層光学フィルム、積層光学フィルムを用いた液晶パネル、および液晶表示装置 |
JP2008181082A (ja) * | 2006-12-25 | 2008-08-07 | Nitto Denko Corp | 液晶パネルおよびそれを用いた液晶表示装置 |
JP5069166B2 (ja) * | 2008-04-09 | 2012-11-07 | 日東電工株式会社 | 積層光学フィルム、積層光学フィルムを用いた液晶パネルおよび液晶表示装置 |
JP5324316B2 (ja) * | 2008-05-27 | 2013-10-23 | 日東電工株式会社 | 粘着型偏光板、画像表示装置およびそれらの製造方法 |
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JP6376126B2 (ja) * | 2013-05-17 | 2018-08-22 | コニカミノルタ株式会社 | 偏光板およびそれを備えた表示装置 |
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US10254459B2 (en) * | 2014-09-17 | 2019-04-09 | Zeon Corporation | Circular polarizing plate, wideband lambda/4 plate, and organic electroluminescence display device |
EP3199989A4 (en) * | 2014-09-26 | 2018-08-15 | Zeon Corporation | Elongated circularly polarizing plate, elongated broadband /4 plate, organic electroluminescent display device, and liquid crystal display device |
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JP2007004123A (ja) * | 2005-05-25 | 2007-01-11 | Nitto Denko Corp | 光学フィルム、液晶パネル、および液晶表示装置 |
US20070076155A1 (en) * | 2005-09-09 | 2007-04-05 | Fuji Photo Film Co., Ltd. | Optical film, optical compensation film, polarizing plate and liquid crystal display |
-
2005
- 2005-11-25 US US10/580,420 patent/US7423714B2/en active Active
- 2005-11-25 WO PCT/JP2005/021677 patent/WO2006059545A1/ja not_active Application Discontinuation
- 2005-11-25 KR KR1020067010655A patent/KR100834332B1/ko active IP Right Grant
- 2005-12-01 TW TW094142274A patent/TW200636361A/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1068816A (ja) * | 1996-08-29 | 1998-03-10 | Sharp Corp | 位相差板及び円偏光板 |
JP2004318060A (ja) * | 2003-04-01 | 2004-11-11 | Nitto Denko Corp | 光学素子、偏光素子、照明装置および液晶表示装置 |
Also Published As
Publication number | Publication date |
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US7423714B2 (en) | 2008-09-09 |
KR20060107540A (ko) | 2006-10-13 |
WO2006059545A1 (ja) | 2006-06-08 |
US20070222919A1 (en) | 2007-09-27 |
TWI321696B (ko) | 2010-03-11 |
TW200636361A (en) | 2006-10-16 |
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