KR102218649B1 - 롤러블 디스플레이 장치 - Google Patents
롤러블 디스플레이 장치 Download PDFInfo
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- KR102218649B1 KR102218649B1 KR1020140122931A KR20140122931A KR102218649B1 KR 102218649 B1 KR102218649 B1 KR 102218649B1 KR 1020140122931 A KR1020140122931 A KR 1020140122931A KR 20140122931 A KR20140122931 A KR 20140122931A KR 102218649 B1 KR102218649 B1 KR 102218649B1
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Abstract
Description
도 2는 도 1의 I-I선을 따라 절취한 단면의 일 예를 개략적으로 도시한 단면도이다.
도 3은 도 1의 롤러블 디스플레이 장치의 접착층의 일 예를 개략적으로 도시한 평면도이다.
도 4는 도 3의 접착층의 변형예를 개략적으로 도시한 평면도이다.
도 5는 도 3의 접착층의 다른 변형예를 개략적으로 도시한 평면도이다.
10: 플렉서블 디스플레이부
100: 기판
200: 디스플레이층
300: 봉지층
400, 400B, 400C: 접착층
500: 편광층
600: 터치 스크린층
700: 보호층
Claims (15)
- 롤 프레임; 및
상기 롤 프레임 내에 롤 형태로 감기는 플렉서블 디스플레이부;를 포함하고,
상기 플렉서블 디스플레이부는,
플렉서블 기판;
상기 플렉서블 기판 상에 형성된 디스플레이 층;
상기 디스플레이 층을 밀봉하는 봉지층;
상기 봉지층 상에 순차적으로 위치하는 편광층, 터치스크린층과 보호층; 및
상기 봉지층과 상기 편광층 사이, 상기 편광층과 상기 터치스크린층 사이 및 상기 터치스크린층과 상기 보호층 사이에 각각 개재된 접착층들;을 포함하고,
상기 접착층들 각각은, 상기 플렉서블 디스플레이부의 일단과 타단 사이에서 서로 교번적으로 배치된 복수의 제1 영역들과 복수의 제2 영역들을 포함하고,
상기 복수의 제1 영역들의 모듈러스와, 상기 복수의 제2 영역들의 모듈러스가 서로 상이한 롤러블 디스플레이 장치. - 제1항에 있어서,
상기 일단은 상기 롤 프레임과 결합된 측이고, 상기 타단은 상기 일단과 반대측인 롤러블 디스플레이 장치. - 제2항에 있어서,
상기 복수의 제1 영역들과 상기 복수의 제2 영역들은 상기 롤 프레임의 길이 방향을 따라 형성된 롤러블 디스플레이 장치. - 제3항에 있어서,
상기 복수의 제1 영역들의 모듈러스가 상기 복수의 제2 영역들의 모듈러스보다 크고,
상기 일단과 상기 타단에는 상기 제1 영역들이 형성된 롤러블 디스플레이 장치. - 제3항에 있어서,
상기 복수의 제1 영역들은 상기 일단에서 상기 타단으로 갈수록 면적이 점차 감소하는 롤러블 디스플레이 장치. - 제3항에 있어서,
상기 복수의 제2 영역들은 상기 일단에서 상기 타단으로 갈수록 면적이 점차 증가하는 롤러블 디스플레이 장치. - 제3항에 있어서,
상기 복수의 제1 영역들과 상기 복수의 제2 영역들은 상기 타단을 향해 볼록하게 휘어진 형상을 가지는 롤러블 디스플레이 장치. - 제7항에 있어서,
상기 일단에서 상기 타단으로 갈수록 상기 복수의 제1 영역들과 상기 복수의 제2 영역들의 곡률반경은 점차 감소하는 롤러블 디스플레이 장치. - 제3항에 있어서,
상기 복수의 제1 영역들과 상기 복수의 제2 영역들 사이에 복수의 제3 영역들을 더 포함하는 롤러블 디스플레이 장치. - 제9항에 있어서,
상기 복수의 제3 영역들의 모듈러스는, 상기 복수의 제1 영역들의 모듈러스와 상기 복수의 제2 영역들의 모듈러스 사이의 값을 가지는 롤러블 디스플레이 장치. - 제1항에 있어서,
상기 제1 영역들과 상기 제2 영역들은 동일한 접착제로 형성되고, 상기 접착제는 가교제(cross-linking agent)들을 포함하며,
상기 제1 영역들은 상기 제2 영역들 보다 상기 가교제들의 결합이 더 많은 롤러블 디스플레이 장치. - 제1항에 있어서,
상기 디스플레이 층은 유기발광소자 및 상기 유기발광소자와 전기적으로 연결된 박막 트랜지스터를 포함하는 롤러블 디스플레이 장치. - 제1항에 있어서,
상기 편광층은 위상차 필름과 편광 필름을 포함하는 롤러블 디스플레이 장치. - 제1항에 있어서,
상기 터치스크린층은 정전 용량 방식인 롤러블 디스플레이 장치. - 제1항에 있어서,
상기 봉지층은 서로 교번적으로 적층된 유기막들과 무기막들을 포함하는 롤러블 디스플레이 장치.
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