KR100927925B1 - 편광판용 uv 흡수층 - Google Patents
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Abstract
Description
Claims (25)
- 복굴절성 보호 폴리머 필름 및 서로 인접하거나 인접하지 않는 하나 이상의 기능성층을 포함하는 다층 보호 커버 시트에 있어서,상기 복굴절성 보호 폴리머 필름의 평면내 복굴절률 Δnin이 1x10-4 미만이고, 평면외 복굴절률 Δnth가 0.005 내지 -0.005이며, 상기 하나 이상의 기능성층은 UV 흡수 폴리머, 및 폴리비닐알코올 함유 필름을 상기 복굴절성 보호 폴리머 필름에 접착시키기 위한 하나 이상의 접착촉진층을 포함하는, 다층 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 접착촉진층인 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 10 내지 500nm의 평균 입자 크기를 갖는 입자 형태인 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 10 내지 150nm의 평균 입자 크기를 갖는 입자 형태인 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 UV 흡수 폴리머를 포함하는 기능성층의 20중량%보다 많은 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 10,000보다 큰 중량 평균분자량을 갖는 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 2-히드록시벤조페논 유도체, 2-히드록시벤조트리아졸 유도체 및 살리실산 유도체로 이루어지는 군으로부터 유도된 반복 단위를 포함하는 것을 특징으로 하는 보호 커버 시트.
- 제 8항에 있어서,R1은 CH3를 나타내고;R2는 H를 나타내고;R3는 H를 나타내고;X는 COO를 나타내고; 및Y는 CH2CH2를 나타내는 것을 특징으로 하는 보호 커버 시트.
- 제 8항에 있어서,R1은 H를 나타내고;R2는 H를 나타내고;R3는 Cl을 나타내고;X는 COO를 나타내고; 및Y는 CH2CH2CH2를 나타내는 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 2-(2'-히드록시-5'-메틸페닐)벤조트리아졸, 2-(2'-히드록시-5'-t-부틸페닐)벤조트리아졸, 2-(2'-히드록시-5'-3',5'-디-t-부틸페닐)벤조트리아졸, 2-(2'-히드록시-3'-t-부틸-5'-메틸페닐)-5-클로로벤조트리아졸, 2-(2'-히드록시-3',5'-디-t-아밀페닐)벤조트리아졸, 2-{2'-히드록시-3'-(3",4",5",6"-테트라히드로프탈이미도메틸)-5'-메틸페닐}벤조트리아졸, 2,2-메틸렌비스{4- (1,1,3,3-테트라메틸부틸)-6-(2H-벤조트리아졸-2-일)페놀}, 2-{2'-히드록시-5'-(메타크릴로일옥시)페닐}벤조트리아졸, 2-[2'-히드록시-5'-(아크릴로일옥시)페닐]벤조트리아졸, 2-[2'-히드록시-3'-t-부틸-5'-(메타크릴로일옥시)페닐]벤조트리아졸, 2-[2'-히드록시-3'-메틸-5'-(아크릴로일옥시)페닐]벤조트리아졸, 2-{2'-히드록시-5'-(메타크릴로일옥시프로필)페닐}-5-클로로벤조트리아졸, 2-[2'-히드록시-5'-(메타크릴로일옥시에틸)페닐]벤조트리아졸, 2-[2'-히드록시-5'-(아크릴로일옥시에틸)페닐]벤조트리아졸, 2-[2'-히드록시-3'-t-부틸-5'-(메타크릴옥시에틸)페닐]벤조트리아졸, 2-[2'-히드록시-3'-메틸-5'-(아크릴로일옥시에틸)페닐]벤조트리아졸, 2-[2'-히드록시-5'-(메타크릴로일옥시프로필)페닐]-5-클로로벤조트리아졸, 2-[2'-히드록시-5'-(아크릴로일옥시부틸)페닐]-5-메틸벤조트리아졸 및 [2-히드록시-3-t-부틸-5-(아크릴로일옥시에톡시카보닐에틸)페닐]벤조트리아졸로 이루어지는 군으로부터 선택된 적어도 하나의 모노머의 혼합물의 반응생성물인 코폴리머인 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 아크릴산 또는 메타크릴산, 또는 이들의 에스테르, 또는 방향족 비닐 화합물과의 코폴리머인 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 300 내지 400nm의 최대 흡수 파장을 가지는 것을 특 징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머는 수분산성 또는 유기 용매에 용해성인 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머를 포함하는 기능성층은 폴리비닐알코올 함유 필름을 상기 복굴절성 보호 폴리머 필름에 접착시키기 위한 접착촉진층인 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 UV 흡수 폴리머를 포함하는 기능성층은 상기 복굴절성 보호 폴리머 필름과 접착촉진층 사이에 있는 타이 층인 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 접착촉진층 및 별도의 타이 층은 각각 UV 흡수 폴리머가 동일 또는 다를 수 있는 UV 흡수 폴리머를 포함하는 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 복굴절성 보호 폴리머 필름은 하나 이상의 저분자량 UV 흡수 비-폴리머 또는 폴리머 화합물을 포함하는 것을 특징으로 하는 보호 커버 시트.
- 제 18항에 있어서,상기 하나 이상의 저분자량 UV 흡수 화합물은 디벤조일메탄, 히드록시페닐-s-트리아진, 히드록시페닐벤조트리아졸 화합물, 포름아미딘, 및 벤조페논 화합물로 이루어지는 군으로부터 선택되는 것을 특징으로 하는 보호 커버 시트.
- 제 1항에 있어서,상기 접착촉진층은 폴리비닐알코올을 포함하고 50 내지 3000mg/m2 사이의 건조 중량을 가지는 것을 특징으로 하는 보호 커버 시트.
- 제 20항에 있어서,상기 접착촉진층은 UV 흡수 폴리머를 포함하는 또 다른 기능성 층에 UV 흡수 폴리머를 위한 가교 결합화합물을 더 포함하는 것을 특징으로 하는 보호 커버 시트.
- 캐리어 기판, 및복굴절성 보호 폴리머 필름 및 서로 인접하거나 인접하지 않는 하나 이상의 기능성층을 포함하는 다층 보호 커버 시트를 포함하는 방호된 커버 시트 복합체에 있어서,상기 복굴절성 보호 폴리머 필름의 평면내 복굴절률 Δnin이 1x10-4 미만이고, 평면외 복굴절률 Δnth가 0.005 내지 -0.005이며, 상기 하나 이상의 기능성층은 UV 흡수 폴리머를 포함하는 UV 흡수층 및 폴리비닐알코올 함유 필름을 상기 복굴절성 보호 폴리머 필름에 접착시키기 위한 하나 이상의 접착촉진층을 포함하고, 상기 접착촉진층은 상기 캐리어 기판 상의 상기 복굴절성 보호 폴리머 필름과 같은 쪽에 있으며, 선택적으로, 상기 UV 흡수층 및 상기 접착촉진층은 동일한 기능성층일 수 있는, 방호된 커버 시트 복합체.
- (A) (i) 캐리어 기판; 및(ii) 제 1항에 따른 보호 커버 시트를 포함하는 적어도 하나의 방호된 커버 시트 복합체를 제공하는 단계;(B) 폴리비닐알코올 함유 이색성 필름을 제공하는 단계; 및(C) 보호 커버 시트를 폴리비닐알코올 함유 이색성 필름과 접촉하도록 하여 보호 커버 시트내의 접착촉진층이 폴리비닐알코올 함유 이색성 필름과 접촉하도록 하는 단계를 포함하는 편광판 제조 방법.
- 제 1항에 따른 2개의 보호 커버 시트를 제공하는 단계; 폴리비닐알코올 함유 이색성 필름을 제공하는 단계, 및 동시에 또는 연속으로 상기 보호 커버 시트를 상기 폴리비닐알코올 함유 이색성 필름과 접촉하도록 하여, 폴리비닐알코올 함유 필름을 2개의 커버 시트 각각에 있는 보호 폴리머에 접촉하도록 하는 접착촉진층이 폴리비닐알코올 함유 이색성 필름과 접촉하도록 하는 단계를 포함하는 편광판 제조 방법.
- 제 1항에 따른 보호 커버 시트를 포함하는 편광판.
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US11/106,789 | 2005-04-15 | ||
US11/106,789 US7622185B2 (en) | 2005-04-15 | 2005-04-15 | Protective cover sheet comprising a UV-absorbing layer for a polarizer plate and method of making the same |
PCT/US2006/012974 WO2006113164A1 (en) | 2005-04-15 | 2006-04-03 | Uv-absorbing layer for polarizer plate |
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KR20080004606A KR20080004606A (ko) | 2008-01-09 |
KR100927925B1 true KR100927925B1 (ko) | 2009-11-19 |
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KR1020077026473A KR100927925B1 (ko) | 2005-04-15 | 2006-04-03 | 편광판용 uv 흡수층 |
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US (2) | US7622185B2 (ko) |
JP (2) | JP2008537803A (ko) |
KR (1) | KR100927925B1 (ko) |
CN (1) | CN101228215B (ko) |
TW (1) | TWI407159B (ko) |
WO (1) | WO2006113164A1 (ko) |
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US4396642A (en) * | 1981-11-24 | 1983-08-02 | American Hoechst Corporation | Hydrolytically stabilized polarizer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11114645B2 (en) | 2016-04-29 | 2021-09-07 | Samsung Display Co., Ltd. | Polarization member and display device including the same |
Also Published As
Publication number | Publication date |
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WO2006113164A1 (en) | 2006-10-26 |
US8709192B2 (en) | 2014-04-29 |
CN101228215A (zh) | 2008-07-23 |
JP2011123512A (ja) | 2011-06-23 |
CN101228215B (zh) | 2012-08-22 |
KR20080004606A (ko) | 2008-01-09 |
US7622185B2 (en) | 2009-11-24 |
JP2008537803A (ja) | 2008-09-25 |
TW200702754A (en) | 2007-01-16 |
TWI407159B (zh) | 2013-09-01 |
US20100024969A1 (en) | 2010-02-04 |
US20060234035A1 (en) | 2006-10-19 |
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