KR102774715B1 - 윈도우 및 이를 포함하는 표시 장치 - Google Patents
윈도우 및 이를 포함하는 표시 장치 Download PDFInfo
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- KR102774715B1 KR102774715B1 KR1020200066769A KR20200066769A KR102774715B1 KR 102774715 B1 KR102774715 B1 KR 102774715B1 KR 1020200066769 A KR1020200066769 A KR 1020200066769A KR 20200066769 A KR20200066769 A KR 20200066769A KR 102774715 B1 KR102774715 B1 KR 102774715B1
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- 239000011247 coating layer Substances 0.000 claims abstract description 105
- 239000010410 layer Substances 0.000 claims abstract description 65
- 239000011521 glass Substances 0.000 claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 53
- 230000035939 shock Effects 0.000 claims description 39
- 238000009498 subcoating Methods 0.000 claims description 26
- 239000012790 adhesive layer Substances 0.000 claims description 25
- 239000011241 protective layer Substances 0.000 claims description 20
- 229920002284 Cellulose triacetate Polymers 0.000 claims description 6
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- 239000004593 Epoxy Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 claims description 6
- 150000002466 imines Chemical class 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 3
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- 239000002356 single layer Substances 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 3
- 238000002207 thermal evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 9
- 230000009975 flexible effect Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
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- 230000008021 deposition Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003666 anti-fingerprint Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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Abstract
Description
도 1b는 일 실시예의 표시 장치의 폴딩 상태를 나타낸 사시도이다.
도 2a는 일 실시예의 표시 장치의 분해 사시도이다.
도 2b는 일 실시예의 표시 장치의 단면도이다.
도 3a는 일 실시예의 표시 장치의 단면도이다.
도 3b는 일 실시예의 표시 장치의 단면도이다.
도 3c는 일 실시예의 표시 장치의 단면도이다.
도 4는 일 실시예의 표시 장치의 단면도이다.
도 5a는 일 실시예의 표시 장치의 단면도이다.
도 5b는 일 실시예의 표시 장치의 단면도이다.
도 6a는 일 실시예의 표시 장치의 단면도이다.
도 6b는 일 실시예의 표시 장치의 단면도이다.
윈도우 | 충격 흡수층(㎛) | 유리 기판(㎛) | 상부 코팅층(㎛) | 하부 코팅층(㎛) |
실시예 1 | 40 | 30 | 0 | 1 |
실시예 2 | 40 | 30 | 1 | 1 |
비교예 | 40 | 30 | 0 | 0 |
윈도우 | 펜 드롭 테스트(cm) |
실시예 1 | 5.27 |
실시예 2 | 5.80 |
비교예 | 5.10 |
표시 패널: DP 유리 기판: GL
충격 흡수층: AL 상면: TAA
하면: BAA 코팅층: CL
상부 코팅층: TCL 하부 코팅층: BCL
Claims (20)
- 유리 기판;
상기 유리 기판 상에 배치되고, 제1 저장 탄성률(storage modulus)을 갖는 충격 흡수층; 및
상기 충격 흡수층의 상면 및 하면 중 적어도 하나에 배치되고, 상기 제1 저장 탄성률보다 큰 제2 저장 탄성률을 갖는 코팅층; 을 포함하고,
상기 충격 흡수층의 제1 두께와 상기 코팅층의 제2 두께의 비는 1:0.0002 내지 1:0.05이고,
상기 충격 흡수층은 단일층이고,
상기 코팅층은 상기 충격 흡수층 상에 순차적으로 적층되어 배치된 제1 서브 코팅층 및 제2 서브 코팅층을 포함하는 윈도우. - 제1항에 있어서,
상기 제1 두께는 20㎛ 이상 50㎛ 이하이고, 상기 제2 두께는 0.01㎛ 이상 1㎛ 이하인 윈도우. - 제1항에 있어서,
상기 유리 기판의 두께는 20㎛ 이상 70㎛ 이하인 윈도우. - 제1항에 있어서,
상기 제1 저장 탄성률과 상기 제2 저장 탄성률의 비는 1:4 내지 1:15인 윈도우. - 제1항에 있어서,
상기 제1 저장 탄성률은 4Gpa 이상 10Gpa 이하이고, 상기 제2 저장 탄성률은 40Gpa 이상 60Gpa 이하인 윈도우. - 제1항에 있어서,
상기 코팅층은 에폭시 실란(epoxy silan), 실세스퀴옥세인(silsesquioxane), 이민(imine) 및 실라제인(silazane) 중 적어도 하나를 포함하는 윈도우. - 제1항에 있어서,
상기 충격 흡수층은 폴리이미드(polyimide), 폴리에틸렌테레프탈레이트(polyethyleneterephthlate), 폴리카보네이트(polycarbonate), 사이클로올레핀고분자(cycloolefin polymer) 및 트리아세틸셀룰로오스(triacetyl cellulose) 중 적어도 하나를 포함하는 윈도우. - 제1항에 있어서,
상기 코팅층은 열 증착 장치, 이빔(E-beam) 증착 장치, 또는 스퍼터링 장치로 증착된 윈도우. - 삭제
- 유리 기판;
상기 유리 기판 상에 배치되고, 제1 저장 탄성률(storage modulus)을 갖는 충격 흡수층; 및
상기 충격 흡수층의 상면 및 하면 중 적어도 하나에 배치되고, 상기 제1 저장 탄성률보다 큰 제2 저장 탄성률을 갖는 코팅층; 을 포함하고,
상기 충격 흡수층의 제1 두께와 상기 코팅층의 제2 두께의 비는 1:0.0002 내지 1:0.05이고,
상기 윈도우는 일 방향을 따라 연장되는 폴딩축을 따라 폴딩되는 폴딩 영역; 및
상기 폴딩 영역을 사이에 두고 서로 이격된 제1 비폴딩 영역 및 제2 비폴딩 영역을 포함하고,
상기 코팅층은 상기 제1 비폴딩 영역에 중첩하는 제1 코팅층; 및
상기 제2 비폴딩 영역에 중첩하고, 상기 제1 코팅층과 이격된 제2 코팅층을 포함하는 윈도우. - 제10항에 있어서,
상기 코팅층 상에 배치된 점착층을 더 포함하고,
상기 점착층은 상기 제1 코팅층 및 상기 제2 코팅층 사이를 충전하는 윈도우. - 삭제
- 제1항에 있어서,
상기 제1 서브 코팅층 및 상기 제2 서브 코팅층의 두께의 합은 0.01㎛ 이상 1㎛ 이하인 윈도우. - 제1항에 있어서,
상기 제1 서브 코팅층 및 상기 제2 서브 코팅층은 각각 에폭시 실란(epoxy silan), 실세스퀴옥세인(silsesquioxane), 이민(imine) 및 실라제인(silazane) 중 적어도 하나를 포함하는 윈도우 - 제1항에 있어서,
상기 유리 기판 상에 배치되고, 폴리이미드(polyimide), 폴리에틸렌테레프탈레이트(polyethyleneterephthlate), 폴리카보네이트(polycarbonate), 사이클로올레핀고분자(cycloolefin polymer) 및 트리아세틸셀룰로오스(triacetyl cellulose) 중 적어도 하나를 포함하는 보호층을 더 포함하는 윈도우. - 제15항에 있어서,
상기 보호층과 상기 유리 기판 사이 및 상기 유리 기판과 상기 충격 흡수층 사이 중 적어도 하나에 배치된 점착층을 더 포함하는 윈도우. - 표시 패널; 및
상기 표시 패널 상에 배치된 윈도우를 포함하고,
상기 윈도우는
유리 기판;
상기 유리 기판 상에 배치되고, 제1 저장 탄성률(storage modulus)을 갖는 충격 흡수층;
상기 충격 흡수층의 상면 및 하면 중 적어도 하나에 배치되고, 상기 제1 저장 탄성률 보다 큰 제2 저장 탄성률을 갖는 코팅층; 을 포함하고,
상기 충격 흡수층의 제1 두께와 상기 코팅층의 제2 두께의 비는 1:0.0002 내지 1:0.05 이고,
상기 충격 흡수층은 단일층이고,
상기 코팅층은 상기 충격 흡수층 상에 순차적으로 적층되어 배치된 제1 서브 코팅층 및 제2 서브 코팅층을 포함하는 표시 장치. - 제17항에 있어서,
상기 유리 기판 상부에 배치된 보호층; 및;
상기 보호층과 상기 유리 기판 사이, 상기 유리 기판과 상기 충격 흡수층 사이, 및 상기 충격 흡수층과 상기 표시 패널 사이 중 적어도 하나에 배치된 점착층을 더 포함하는 표시 장치. - 제18항에 있어서,
상기 점착층의 두께는 10㎛ 이상 100㎛ 이하인 표시 장치. - 제18항에 있어서,
상기 점착층은 감압 점착제(pressure sensitive adhesive)인 표시 장치.
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