KR102568167B1 - 플렉서블 윈도우 및 이를 포함하는 플렉서블 표시장치 - Google Patents
플렉서블 윈도우 및 이를 포함하는 플렉서블 표시장치 Download PDFInfo
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- KR102568167B1 KR102568167B1 KR1020180108836A KR20180108836A KR102568167B1 KR 102568167 B1 KR102568167 B1 KR 102568167B1 KR 1020180108836 A KR1020180108836 A KR 1020180108836A KR 20180108836 A KR20180108836 A KR 20180108836A KR 102568167 B1 KR102568167 B1 KR 102568167B1
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Abstract
Description
도 2는 도 1에 도시된 플렉서블 표시장치의 A 부분의 확대 단면도이다.
도 3은 일 실시예에 따른 위상차층에 의하여 블랙 아웃 현상이 방지되는 것을 설명하기 위하여 참조되는 도면이다.
도 4는 본 발명의 다른 실시예의 플렉서블 윈도우의 적층 구조를 개략적으로 나타낸 단면도이다.
도 5a 내지 도 5c는 고위상차 필름의 가시광선 영역내에서 파장별 위상지연을 설명하기 위하여 참조되는 그래프이다.
도 6은 또 다른 실시예에 따른 플렉서블 윈도우의 적층 구조를 개략적으로 나타낸 단면도이다.
도 7은 또 다른 실시예에 따른 플렉서블 윈도우의 적층 구조를 개략적으로 나타낸 단면도이다.
도 8은 또 다른 실시예에 따른 플렉서블 윈도우의 적층 구조를 개략적으로 나타낸 단면도이다.
도 9는 또 다른 실시예에 따른 플렉서블 윈도우의 적층 구조를 개략적으로 나타낸 단면도이다.
도 10은 또 다른 실시예에 따른 플렉서블 윈도우의 적층 구조를 개략적으로 나타낸 단면도이다.
내충격 완화층 두께(um) |
60 | 70 | 80 | 100 | 150 | 160 |
테스트 통과 펜 낙하 높이(cm) |
1 | 6 | 7 | 9 | 12 | 13 |
Folding 특성 (곡률 3R In/Out) | OK | OK | OK | OK | OK | Buckling |
내충격 완화층 Modulus (Gpa) |
0.05 | 0.01 | 0.25 | 0.5 | 0.5 < |
연필 경도 (Module 구조상) | 3B | H~3H | H~3H | H~3H | 4H |
Folding 특성 (곡률 3R In/Out) | OK | OK | OK | OK | Buckling |
내충격 완화층 두께(um) |
20 | 30 | 50 | 80 | 90 |
테스트 통과 펜 낙하 높이(cm) |
0.5 | 3 | 5 | 7 | 8 |
Folding 특성 (곡률 3R In/Out) | OK | OK | OK | OK | Buckling |
내충격 완화층 Modulus (Gpa) |
0.5 | 1.0 | 3.0 | 5.0 | 6.0 | 7.0 |
연필 경도 (Module 구조상) | 3B | B | H | 2H | 3H | 5H |
Folding 특성 (곡률 3R In/Out) | OK | OK | OK | OK | Buckling | Buckling |
200: 플렉서블 윈도우 210: 위상차층
220: 내충격 완화층 230: 표면층
233: 베이스층 235: 하드 코팅층
237 지문 방지 코팅층 CP1: 제1 접착부재
CP2: 제2 접착부재 CP3:제3 접착부재
Claims (20)
- 위상차층;
상기 위상차층 상부에 배치된 내충격 완화층; 및
상기 내충격 완화층 상부에 배치된 표면층을 포함하고,
상기 위상차층은 λ/4 위상차판을 포함하며,
상기 내충격 완화층은 폴리우레탄 계열의 물질로 이루어지고,
상기 내충격 완화층의 두께는 70um 내지 150um이며,
상기 내충격 완화층의 모듈러스(Modulus)는 0.001Gpa 내지 0.5Gpa인 플렉서블 윈도우.
- 삭제
- 삭제
- 삭제
- 제1 항에 있어서,
상기 내충격 완화층은 상기 표면층의 배면에 직접 코팅된 플렉서블 윈도우.
- 제5 항에 있어서,
상기 위상차층은 상기 내충격 완화층의 배면에 직접 코팅된 플렉서블 윈도우.
- 제6 항에 있어서,
상기 위상차층 하부에 배치된 포지티브 C 플레이트를 더 포함하는 플렉서블 윈도우.
- 위상차층;
상기 위상차층 상부에 배치된 내충격 완화층; 및
상기 내충격 완화층 상부에 배치된 표면층을 포함하고,
상기 위상차층은 λ/4 위상차판을 포함하며,
상기 내충격 완화층은 폴리에틸렌 테레프타레이트(Polyethylene terephthalate, PET), 폴리카보네이트(Polycarbonate, PC) 및 아크릴(Acryl)로부터 선택되는 적어도 하나의 물질로 이루어지고,
상기 내충격 완화층의 두께는 30um 내지 80um이며, 상기 내충격 완화층의 모듈러스(Modulus)는 1Gpa 내지 5Gpa인 필름 형태인 플렉서블 윈도우.
- 삭제
- 제1 항에 있어서,
상기 표면층은, 베이스층과, 상기 베이스층 상부에 배치된 하드 코팅층 및 상기 하드 코팅층 상부에 배치된 지문 방지 코팅층을 포함하는 플렉서블 윈도우.
- 고위상차층; 및
상기 고위상차층 상부에 배치된 표면층을 포함하고,
상기 표면층은, 베이스층과, 상기 베이스층 상부에 배치된 하드 코팅층과, 상기 하드 코팅층 상부에 배치된 지문 방지 코팅층을 포함하며,
상기 고위상차층의 면내 위상차는 6000nm 내지 10000nm이고,
상기 고위상차층의 두께는 30um 내지 80um이며, 상기 고위상차층의 모듈러스(Modulus)는 1Gpa 내지 5Gpa인 플렉서블 윈도우.
- 제11 항에 있어서,
상기 고위상차층은 시클로-올레핀 중합체(Cyclo-Olefin Polymer; COP) 필름, 시클로-올레핀 공중합체(Cyclo-Olefin Co-polymer; COC) 필름, 폴리카보네이트(Polycarbonate; PC), 폴리에틸렌테레프탈레이트(Poly Ethylene Terephthalate; PET) 필름, 폴리프로필렌(Polypro-Pylene; PP) 필름, 폴리술폰(Polysulfone; PSF) 필름, 아크릴(Polymethylmethacrylate; PMMA) 필름 중 어느 하나로 이루어진 플렉서블 윈도우.
- 삭제
- 표시패널;
상기 표시패널 상부에 배치되는 플렉서블 윈도우; 및
상기 표시패널과 상기 플렉서블 윈도우 사이에 배치된 감압 접착제(Pressure Sensitive Adhesive: PSA) 를 포함하고,
상기 플렉서블 윈도우는, 위상차층과, 상기 위상차층 상부에 배치된 내충격 완화층 및 상기 내충격 완화층 상부에 배치된 표면층을 포함하고, 상기 위상차층은 λ/4 위상차판을 포함하며,
상기 내충격 완화층은 폴리우레탄 계열의 물질로 이루어지고,
상기 내충격 완화층의 두께는 70um 내지 150um이며,
상기 내충격 완화층의 모듈러스(Modulus)는 0.001Gpa 내지 0.5Gpa인 플렉서블 표시장치.
- 삭제
- 삭제
- 삭제
- 제14 항에 있어서,
상기 내충격 완화층은 상기 표면층의 배면에 직접 코팅된 플렉서블 표시장치.
- 제18 항에 있어서,
상기 위상차층은 상기 내충격 완화층의 배면에 직접 코팅된 플렉서블 표시장치.
- 제19 항에 있어서,
상기 위상차층 하부에 배치된 포지티브 C 플레이트를 더 포함하는 플렉서블 표시장치.
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US16/459,272 US20200081162A1 (en) | 2018-09-12 | 2019-07-01 | Flexible window and flexible display device comprising the same |
CN201910860336.8A CN110896094B (zh) | 2018-09-12 | 2019-09-11 | 柔性窗口和包括该柔性窗口的柔性显示装置 |
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WO2019083606A1 (en) | 2017-10-27 | 2019-05-02 | Applied Materials, Inc. | FILMS OF SOFT COVERING LENSES |
US11579339B2 (en) | 2018-05-10 | 2023-02-14 | Applied Materials, Inc. | Replaceable cover lens for flexible display |
KR20240107376A (ko) | 2018-08-14 | 2024-07-09 | 어플라이드 머티어리얼스, 인코포레이티드 | 가요성 커버 렌즈용 다층 습식-건식 하드코트들 |
CN209199986U (zh) * | 2019-02-19 | 2019-08-02 | 京东方科技集团股份有限公司 | 一种用于柔性基板的盖板、柔性显示装置 |
WO2020263632A1 (en) | 2019-06-26 | 2020-12-30 | Applied Materials, Inc. | Flexible multi-layered cover lens stacks for foldable displays |
KR20210071258A (ko) * | 2019-12-06 | 2021-06-16 | 엘지디스플레이 주식회사 | 터치 표시장치 및 그의 제조방법 |
CN111312774A (zh) * | 2020-02-25 | 2020-06-19 | 武汉华星光电半导体显示技术有限公司 | 一种显示装置 |
KR20210123461A (ko) * | 2020-04-02 | 2021-10-14 | 삼성디스플레이 주식회사 | 표시 장치 |
CN111640373B (zh) * | 2020-06-09 | 2023-06-23 | 京东方科技集团股份有限公司 | 盖板和显示装置 |
KR102764540B1 (ko) * | 2020-07-09 | 2025-02-07 | 삼성디스플레이 주식회사 | 커버 윈도우 보호 필름 및 이를 포함하는 표시 장치 |
KR20220025969A (ko) * | 2020-08-24 | 2022-03-04 | 삼성디스플레이 주식회사 | 폴더블 윈도우 및 이를 포함하는 표시 장치 |
WO2022050315A1 (ja) * | 2020-09-04 | 2022-03-10 | 日東電工株式会社 | 画像表示装置およびその製造方法 |
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JP6275961B2 (ja) * | 2013-06-26 | 2018-02-07 | 富士フイルム株式会社 | 光学フィルム及び表示装置 |
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