KR102216238B1 - 양면 점착제층이 형성된 편광 필름 및 화상 표시 장치 - Google Patents
양면 점착제층이 형성된 편광 필름 및 화상 표시 장치 Download PDFInfo
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Abstract
Description
도 1b 는 본 발명의 양면 점착제층이 형성된 편광 필름의 일 실시형태를 모식적으로 나타내는 단면도이다.
도 2 는 본 발명의 양면 점착제층이 형성된 편광 필름의 점착제층 (A) 의 일 실시형태를 모식적으로 나타내는 단면도의 확대도이다.
도 3 은 본 발명의 양면 점착제층이 형성된 편광 필름을 개재하여, 화상 표시 장치와 투명 기체 등의 부재가 첩합되어 있는 상태를 모식적으로 나타내는 개념도이다.
도 4a 는 화상 표시 장치의 일 실시형태를 모식적으로 나타내는 단면도이다.
도 4b 는 화상 표시 장치의 일 실시형태를 모식적으로 나타내는 단면도이다.
도 4c 는 화상 표시 장치의 일 실시형태를 모식적으로 나타내는 단면도이다.
1a ; 편광자
1b ; 투명 보호 필름
1c ; 기능층
A ; 점착제층 (A) (시인측)
B ; 점착제층 (B) (시인측의 반대측)
SA ; 점착제층 (A) (시인측) 의 세퍼레이터
SB ; 점착제층 (B) (시인측의 반대측) 의 세퍼레이터
C ; 부재 (터치 패널 또는 투명 기체)
D ; 화상 표시 장치
2 ; 점착제층 (점착제층 (B))
3 ; 투명 도전층 (대전 방지층)
4 ; 유리 기판
5 ; 액정층
6 ; 구동 전극
7 ; 대전 방지층 겸 센서층
8 ; 구동 전극 겸 센서층
9 ; 센서층
Claims (14)
- 화상 표시 장치에 있어서 가장 시인측에 형성되는 편광 필름 그리고 상기 편광 필름의 시인측에 배치되는 점착제층 (A) 및 상기 점착제층 (A) 의 반대측에 배치되는 점착제층 (B) 을 갖고, 상기 점착제층 (A) 에 세퍼레이터 (SA), 상기 점착제층 (B) 에 세퍼레이터 (SB) 를 구비하고 있는 양면 점착제층이 형성된 편광 필름으로서,
상기 편광 필름은, 두께 15 ㎛ 이하의 편광자의 편측에만 투명 보호 필름을 갖는 편보호 편광 필름이고, 상기 편광자의 측에 점착제층 (B) 이 배치되어 있고,
상기 점착제층 (A) 는, 상기 세퍼레이터 (SA) 를 박리하는 경우에 상기 편광 필름으로부터 박리되지 않는 것이며,
상기 점착제층 (A) 의 두께는 25 ㎛ 이상이고,
상기 점착제층 (B) 의 두께는 25 ㎛ 이하이고,
상기 세퍼레이터 (SA) 의 박리력이, 상기 세퍼레이터 (SB) 의 박리력보다 높고,
상기 세퍼레이터 (SA) 는, 두께가 40 ㎛ 이상이고, 또한, 세퍼레이터 박리력이 0.1 ~ 2 N/50 ㎜ 인 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 제 1 항에 있어서,
상기 점착제층 (B) 은, 상기 편보호 편광 필름의 편광자에, 직접, 첩합되어 있는 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 제 1 항에 있어서,
상기 점착제층 (B) 은, 상기 편보호 편광 필름의 편광자에, 15 ㎛ 이하의 기능층을 개재하여 첩합되어 있는 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 제 1 항에 있어서,
상기 점착제층 (A) 은, 23 ℃ 의 저장 탄성률이 0.05 ~ 1 ㎫ 인 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 제 1 항에 있어서,
상기 점착제층 (A) 은 단부의 적어도 일부가, 상기 편보호 편광 필름의 면의 단변보다 내측에 있는 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 삭제
- 삭제
- 제 1 항에 있어서,
상기 점착제층 (A) 이 적층되는 상기 편보호 편광 필름의 투명 보호 필름은 접착 용이 처리가 실시되어 있는 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 제 1 항에 있어서,
상기 점착제층 (A) 및 상기 점착제층 (B) 은, 모두, 알킬(메트)아크릴레이트를 모노머 단위로서 함유하는 (메트)아크릴계 폴리머를 베이스 폴리머로 하는 아크릴계 점착제에 의해 형성되어 있고,
상기 점착제층 (A) 에 관련된 (메트)아크릴계 폴리머는, 모노머 단위로서, 2-에틸헥실아크릴레이트를 30 중량% 이상 포함하고,
상기 점착제층 (B) 에 관련된 (메트)아크릴계 폴리머는, 모노머 단위로서, 부틸아크릴레이트를 가장 많이 포함하는 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 제 1 항에 있어서,
상기 점착제층 (A) 및 상기 점착제층 (B) 은, 모두, 알킬(메트)아크릴레이트를 모노머 단위로서 함유하는 (메트)아크릴계 폴리머를 베이스 폴리머로 하는 아크릴계 점착제에 의해 형성되어 있고,
상기 점착제층 (A) 및 상기 점착제층 (B) 에 관련된 (메트)아크릴계 폴리머의 어느 적어도 일방에는, 모노머 단위로서, (메트)아크릴산 및 고리형 질소 함유 모노머의 어느 적어도 1 개를 포함하고 있는 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 제 1 항에 있어서,
상기 점착제층 (A) 은, 활성 에너지선의 조사에 의해 저장 탄성률이 커지는 것인 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 제 1 항에 있어서,
상기 점착제층 (A) 이 자외선 흡수제를 포함하고 있는 것을 특징으로 하는 양면 점착제층이 형성된 편광 필름. - 적어도 1 장의 양면 점착제층이 형성된 편광 필름을 갖는 화상 표시 장치로서,
화상 표시 장치에 있어서 가장 시인측에 형성되는 양면 점착제층이 형성된 편광 필름이, 제 1 항 내지 제 5 항 및 제 8 항 내지 제 12 항 중 어느 한 항에 기재된 양면 점착제층이 형성된 편광 필름이고,
상기 양면 점착제층이 형성된 편광 필름의 점착제층 (A) 이 시인측에, 점착제층 (B) 이 표시부측이 되도록 배치되어 있는 것을 특징으로 하는 화상 표시 장치. - 제 13 항에 있어서,
인 셀형 또는 온 셀형의 터치 센서 내장 액정 표시 장치에 적용되는 것을 특징으로 하는 화상 표시 장치.
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CN107636499A (zh) | 2018-01-26 |
KR20200125766A (ko) | 2020-11-04 |
KR20200125767A (ko) | 2020-11-04 |
CN107636499B (zh) | 2021-01-15 |
US10310333B2 (en) | 2019-06-04 |
KR20180018503A (ko) | 2018-02-21 |
WO2016204154A1 (ja) | 2016-12-22 |
JP2017003906A (ja) | 2017-01-05 |
TW201706638A (zh) | 2017-02-16 |
US20180157125A1 (en) | 2018-06-07 |
TWI824992B (zh) | 2023-12-11 |
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