KR101352677B1 - 위상차 필름, 편광판 및 액정 표시 장치 - Google Patents
위상차 필름, 편광판 및 액정 표시 장치 Download PDFInfo
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- KR101352677B1 KR101352677B1 KR1020087025715A KR20087025715A KR101352677B1 KR 101352677 B1 KR101352677 B1 KR 101352677B1 KR 1020087025715 A KR1020087025715 A KR 1020087025715A KR 20087025715 A KR20087025715 A KR 20087025715A KR 101352677 B1 KR101352677 B1 KR 101352677B1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/10—Esters of organic acids
- C09D101/14—Mixed esters, e.g. cellulose acetate-butyrate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/10—Esters of organic acids, i.e. acylates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/10—Esters of organic acids, i.e. acylates
- C08L1/14—Mixed esters, e.g. cellulose acetate-butyrate
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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
- 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
- G02B5/3041—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 comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—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 comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
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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
- G02B5/3083—Birefringent or phase retarding elements
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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
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/26—Natural polymers, natural resins or derivatives thereof according to C08L1/00 - C08L5/00, C08L89/00, C08L93/00, C08L97/00 or C08L99/00
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
- C09K2323/035—Ester polymer, e.g. polycarbonate, polyacrylate or polyester
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- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
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- Polymers & Plastics (AREA)
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- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polarising Elements (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Liquid Crystal (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
Claims (13)
- 푸라노오스 구조 또는 피라노오스 구조를 1개 갖는 화합물(A) 중의, 또는 푸라노오스 구조 또는 피라노오스 구조의 1종 이상이 2개 이상 12개 이하 결합된 화합물(B) 중의 OH기의 전부 또는 일부를 에스테르화한 에스테르화 화합물과 셀룰로오스 유도체를 포함하는 연신된 위상차 필름으로서, 상기 위상차 필름은 연신에 의해 위상차값을 발현하고, 상기 위상차값에 있어서, 온도 23 ℃, 습도 55 %RH의 환경하에서 파장 590 nm의 광에 대하여 하기 수학식 i로 표시되는 필름면 내 위상차값 Ro가 20 nm 이상 80 nm 이하의 범위에 있고, 하기 수학식 ii로 표시되는 필름 두께 방향 위상차값 Rt가 100 nm 이상 250 nm 이하의 범위에 있으면서 Rt/Ro가 2.0 이상 5.0 이하이며, 또한 온도 23 ℃에서 습도가 20 %RH로부터 80 %RH로 변동한 경우의 상기 위상차값 Rt의 변동이 3 내지 20 nm인 것을 특징으로 하는 위상차 필름.<수학식 i>Ro=(nx-ny)×d<수학식 ii>Rt={(nx+ny)/2-nz}×d[식 중, nx는 필름면 내의 지상축 방향의 굴절률을, ny는 지상축에 직교하는 방향의 굴절률을, nz는 필름 두께 방향의 굴절률을, d는 필름의 막 두께(nm)를 각각 나타낸다.]
- 제1항에 있어서, 상기 셀룰로오스 유도체가, 총 아실기 치환도가 2.0 이상 2.8 이하인 셀룰로오스에스테르인 것을 특징으로 하는 위상차 필름.
- 제2항에 있어서, 상기 총 아실기 치환도가 2.2 이상 2.55 이하인 것을 특징으로 하는 위상차 필름.
- 삭제
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 에스테르화 화합물을 5 질량% 이상 30 질량% 이하 포함하는 것을 특징으로 하는 위상차 필름.
- 제1항에 있어서, 상기 화합물(A)가 글루코오스, 갈락토오스, 만노오스, 프럭토오스, 크실로오스 및 아라비노오스로부터 선택되는 1종 이상인 것을 특징으로 하는 위상차 필름.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 화합물(B)가 푸라노오스 구조 및 피라노오스 구조를 갖는 화합물인 것을 특징으로 하는 위상차 필름.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 화합물(B)가 락토오스, 수크로오스, 니스토오스, 1F-프럭토실니스토오스, 스타키오스, 말티톨, 락티톨, 락튤로오스, 셀로비오스, 말토오스, 셀로트리오스, 말토트리오스, 라피노오스, 케스토오스, 겐티오비오스, 겐티오트리오스, 겐티오테트라오스, 크실로트리오스 및 갈락토실수크로오스로부터 선택되는 1종 이상인 것을 특징으로 하는 위상차 필름.
- 제8항에 있어서, 상기 화합물(B)가 수크로오스인 것을 특징으로 하는 위상차 필름.
- 제1항 내지 제3항 중 어느 한 항에 기재된 위상차 필름을, 편광자의 적어도 한쪽면에 갖는 것을 특징으로 하는 편광판.
- 제1항 내지 제3항 중 어느 한 항에 기재된 위상차 필름을 갖는 것을 특징으로 하는 액정 표시 장치.
- 제10항에 기재된 편광판을 갖는 것을 특징으로 하는 액정 표시 장치.
- 제11항에 있어서, 액정 셀이 VA형 액정 셀인 것을 특징으로 하는 액정 표시 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2006120357 | 2006-04-25 | ||
JPJP-P-2006-120357 | 2006-04-25 | ||
PCT/JP2007/058162 WO2007125764A1 (ja) | 2006-04-25 | 2007-04-13 | 位相差フィルム、偏光板および液晶表示装置 |
Publications (2)
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KR20090005024A KR20090005024A (ko) | 2009-01-12 |
KR101352677B1 true KR101352677B1 (ko) | 2014-01-16 |
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KR1020087025715A KR101352677B1 (ko) | 2006-04-25 | 2007-04-13 | 위상차 필름, 편광판 및 액정 표시 장치 |
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US (2) | US9243131B2 (ko) |
EP (1) | EP2012149B1 (ko) |
JP (2) | JP5067366B2 (ko) |
KR (1) | KR101352677B1 (ko) |
CN (1) | CN101427163B (ko) |
TW (2) | TWI477514B (ko) |
WO (1) | WO2007125764A1 (ko) |
Families Citing this family (61)
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KR101440763B1 (ko) * | 2006-07-31 | 2014-09-17 | 코니카 미놀타 어드밴스드 레이어즈 인코포레이티드 | 편광판 보호 필름, 편광판 및 액정 표시 장치 |
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TWI615409B (zh) | 2018-02-21 |
JP2012212163A (ja) | 2012-11-01 |
WO2007125764A1 (ja) | 2007-11-08 |
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US9598595B2 (en) | 2017-03-21 |
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JP5304929B2 (ja) | 2013-10-02 |
EP2012149B1 (en) | 2018-02-14 |
TW200745169A (en) | 2007-12-16 |
JPWO2007125764A1 (ja) | 2009-09-10 |
US20160137867A1 (en) | 2016-05-19 |
CN101427163A (zh) | 2009-05-06 |
CN101427163B (zh) | 2010-08-04 |
EP2012149A1 (en) | 2009-01-07 |
US9243131B2 (en) | 2016-01-26 |
EP2012149A4 (en) | 2013-04-17 |
US20070247576A1 (en) | 2007-10-25 |
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