KR20130137178A - 점착층이 형성된 투명 면재, 표시 장치 및 그것들의 제조 방법 - Google Patents
점착층이 형성된 투명 면재, 표시 장치 및 그것들의 제조 방법 Download PDFInfo
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Abstract
보호판 (10) (투명 면재) 의 적어도 일방의 표면에 점착층 (14) 을 구비하고, 점착층 (14) 이, 보호판 (10) 의 표면을 따라 확산되는 층상부 (18) 와 층상부 (18) 의 주연을 둘러싸는 언상부 (20) 를 갖고, 층상부 (18) 의 35 ℃ 에 있어서의 전단 탄성률이 0.5 ∼ 100 ㎪ 인 점착층이 형성된 투명 면재.
Description
도 2 는 공정 (a) 의 양태의 일례를 나타내는 평면도이다.
도 3 은 공정 (a) 의 양태의 일례를 나타내는 단면도이다.
도 4 는 공정 (b) 의 양태의 일례를 나타내는 평면도이다.
도 5 는 공정 (b) 의 양태의 일례를 나타내는 단면도이다.
도 6 은 공정 (c) 의 양태의 일례를 나타내는 단면도이다.
도 7 은 본 발명의 표시 장치의 일례를 나타내는 단면도이다.
도 8 은 본 발명의 점착층이 형성된 투명 면재와 표시 패널을 첩합했을 때에 있어서의 표시 패널과 점착층의 계면에 있어서의 공극의 양태를 나타내는 사시도이다.
도 9 는 보호판과 표시 패널을 점착 시트를 개재하여 첩합했을 때에 있어서의 표시 패널과 점착 시트의 계면에 있어서의 공극의 양태를 나타내는 사시도이다.
도 10 은 보호판과 표시 패널을 점착 시트를 개재하여 첩합했을 때에 있어서의 표시 패널과 점착 시트의 계면에 있어서의 공극의 양태를 나타내는 사시도이다.
2 ; 표시 장치
10 ; 보호판 (투명 면재)
14 ; 점착층
16 ; 보호 필름
18 ; 층상부
20 ; 언상부
22 ; 미경화된 언상부
24 ; 영역
26 ; 층상부 형성용 광경화성 수지 조성물
36 ; 지지 면재
50 ; 표시 패널
Claims (16)
- 투명 면재와, 투명 면재의 적어도 일방의 표면에 형성된 점착층을 갖는 점착층이 형성된 투명 면재로서,
점착층이, 투명 면재의 표면을 따라 확산되는 층상부와, 층상부의 주연을 둘러싸는 언상부를 갖고,
상기 층상부의 35 ℃ 에 있어서의 전단 탄성률이 0.5 ∼ 100 ㎪ 인 것을 특징으로 하는 점착층이 형성된 투명 면재. - 제 1 항에 있어서,
상기 층상부가, 하기 경화성 화합물 (II) 및 하기 비경화성 올리고머 (D) 를 함유하는 층상부 형성용 경화성 수지 조성물의 경화물로 이루어지는 점착층이 형성된 투명 면재;
경화성 화합물 (II) : 경화성 수지 조성물의 경화시에 경화 반응하는 경화성 화합물의 1 종 이상으로 이루어지고, 그 경화성 화합물의 적어도 1 종은, 상기 경화성 수지 조성물의 경화시에 반응하지 않는 수산기를 갖고,
비경화성 올리고머 (D) : 경화성 수지 조성물의 경화시에 상기 경화성 화합물 (II) 와 경화 반응하지 않고, 또한 수산기를 갖는 올리고머. - 제 2 항에 있어서,
상기 경화성 화합물 (II) 가, 경화성기를 갖고, 또한 수산기를 갖는 모노머를 함유하는, 점착층이 형성된 투명 면재. - 제 3 항에 있어서,
상기 경화성 화합물 (II) 가, 경화성기를 갖고, 또한 수평균 분자량이 1000 ∼ 100000 인 올리고머 (A'), 및 경화성기를 갖고, 또한 분자량이 125 ∼ 600 인 모노머 (B') 를 함유하고, 그 모노머 (B') 가 수산기를 갖는 모노머 (B3) 을 함유하는, 점착층이 형성된 투명 면재. - 제 4 항에 있어서,
상기 비경화성 올리고머 (D) 가 폴리옥시알킬렌폴리올이고, 또한 상기 올리고머 (A') 가, 폴리옥시알킬렌폴리올 및 폴리이소시아네이트를 원료에 이용하여 합성된 우레탄 올리고머인, 점착층이 형성된 투명 면재. - 제 4 항 또는 제 5 항에 있어서,
상기 올리고머 (A') 가 아크릴기를 갖고, 상기 모노머 (B') 의 적어도 일부가 메타크릴기를 갖는, 점착층이 형성된 투명 면재. - 제 4 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 모노머 (B3) 이 수산기수 1 ∼ 2, 탄소수 3 ∼ 8 의 하이드록시알킬기를 갖는 하이드록시메타크릴레이트를 함유하는, 점착층이 형성된 투명 면재. - 제 4 항 내지 제 7 항 중 어느 한 항에 있어서,
상기 모노머 (B') 가, 탄소수 8 ∼ 22 의 알킬기를 갖는 알킬메타크릴레이트에서 선택되는 모노머 (B4) 를 함유하는, 점착층이 형성된 투명 면재. - 제 2 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 층상부 형성용 경화성 수지 조성물이, 연쇄 이동제를 함유하지 않거나, 또는 연쇄 이동제를 함유하고 그 함유량이 경화성 화합물 (II) 100 질량부에 대해 1 질량부 이하인, 점착층이 형성된 투명 면재. - 제 2 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 층상부 형성용 경화성 수지 조성물이, 광중합 개시제 (C2) 를 함유하고, 상기 경화성 화합물 (II) 가 광경화성 화합물인, 점착층이 형성된 투명 면재. - 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,
투명 면재가 표시 장치의 보호판인, 점착층이 형성된 투명 면재. - 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,
점착층의 표면을 덮는, 박리 가능한 보호 필름을 추가로 갖는, 점착층이 형성된 투명 면재. - 제 12 항에 기재된 점착층이 형성된 투명 면재를 제조하는 방법으로서,
하기 공정 (a) ∼ (e) 를 갖는, 점착층이 형성된 투명 면재의 제조 방법;
(a) 투명 면재의 표면의 주연부에, 액상의 언상부 형성용 경화성 수지 조성물을 도포하여 미경화된 언상부를 형성하는 공정,
(b) 미경화된 언상부로 둘러싸인 영역에, 층상부 형성용 경화성 수지 조성물을 공급하는 공정,
(c) 100 ㎩ 이하의 감압 분위기하에서, 층상부 형성용 경화성 수지 조성물 상에, 보호 필름이 첩착된 지지 면재를, 보호 필름이 층상부 형성용 경화성 수지 조성물에 접하도록 겹쳐, 투명 면재, 보호 필름 및 미경화된 언상부로 층상부 형성용 경화성 수지 조성물로 이루어지는 미경화된 층상부가 밀봉된 적층물을 얻는 공정,
(d) 50 ㎪ 이상의 압력 분위기하에 적층물을 둔 상태로, 미경화된 층상부 및 미경화된 언상부를 경화시켜, 층상부 및 언상부를 갖는 점착층을 형성하는 공정,
(e) 지지 면재를 보호 필름으로부터 박리하는 공정. - 표시 패널과,
점착층이 표시 패널에 접하도록, 표시 패널에 첩합된, 제 1 항 내지 제 11 항 중 어느 한 항에 기재된 점착층이 형성된 투명 면재를 갖는 표시 장치. - 제 14 항에 있어서,
상기 표시 패널이, In Plane Switching 방식의 액정 표시 패널인, 표시 장치. - 제 14 항 또는 제 15 항에 기재된 표시 장치를 제조하는 방법으로서,
100 ㎩ 이하의 감압 분위기하에서, 표시 패널과 점착층이 형성된 투명 면재를, 점착층이 표시 패널에 접하도록 겹쳐서 첩합하는, 표시 장치의 제조 방법.
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| JP2010273720 | 2010-12-08 | ||
| PCT/JP2011/078352 WO2012077727A1 (ja) | 2010-12-08 | 2011-12-07 | 粘着層付き透明面材、表示装置およびそれらの製造方法 |
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| KR20130137178A true KR20130137178A (ko) | 2013-12-16 |
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| JP (2) | JP5757292B2 (ko) |
| KR (1) | KR20130137178A (ko) |
| CN (1) | CN103249552B (ko) |
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2011
- 2011-12-07 KR KR20137011811A patent/KR20130137178A/ko not_active Ceased
- 2011-12-07 WO PCT/JP2011/078352 patent/WO2012077727A1/ja not_active Ceased
- 2011-12-07 CN CN201180058410.6A patent/CN103249552B/zh not_active Expired - Fee Related
- 2011-12-07 JP JP2012547897A patent/JP5757292B2/ja not_active Expired - Fee Related
- 2011-12-08 TW TW104134526A patent/TWI634014B/zh not_active IP Right Cessation
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2013
- 2013-06-07 JP JP2013121217A patent/JP5811143B2/ja not_active Expired - Fee Related
- 2013-06-10 US US13/914,273 patent/US20130273267A1/en not_active Abandoned
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20220243097A1 (en) * | 2021-01-28 | 2022-08-04 | Shenzhen Kangchengtai Industrial Co., Ltd. | Composite light-curing protective film and method of sticking film and use thereof |
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| Publication number | Publication date |
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| TWI634014B (zh) | 2018-09-01 |
| US10557065B2 (en) | 2020-02-11 |
| JP2013231979A (ja) | 2013-11-14 |
| US20170174961A1 (en) | 2017-06-22 |
| WO2012077727A1 (ja) | 2012-06-14 |
| CN103249552B (zh) | 2015-04-08 |
| TWI519624B (zh) | 2016-02-01 |
| JPWO2012077727A1 (ja) | 2014-05-22 |
| JP5757292B2 (ja) | 2015-07-29 |
| TW201239061A (en) | 2012-10-01 |
| TW201609425A (zh) | 2016-03-16 |
| US20200109324A1 (en) | 2020-04-09 |
| US20130273267A1 (en) | 2013-10-17 |
| CN103249552A (zh) | 2013-08-14 |
| JP5811143B2 (ja) | 2015-11-11 |
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