KR102409593B1 - 폴더블 표시 장치 및 폴더블 표시 장치의 제조 방법 - Google Patents
폴더블 표시 장치 및 폴더블 표시 장치의 제조 방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 폴더블 표시 장치에 대한 A-A' 단면도를 도시한다.
도 3은 본 발명의 일 실시예에 따른 폴더블 표시 장치의 터치부에 대향하는 발광표시층에 대한 단면도를 도시한다.
도 4는 본 발명의 다른 실시예에 따른 폴더블 표시 장치의 터치부에 대한 평면도를 도시한다.
도 5는 본 발명의 다른 실시예에 따른 폴더블 표시 장치의 터치부에 대한 A-A' 단면도를 도시한다.
도 6은 본 발명의 다른 실시예에 따른 폴더블 표시 장치의 단면도를 도시한다.
도 7은 본 발명의 일 실시예에 따른 폴더블 표시 장치의 제조 방법을 설명하기 위한 개략적인 흐름도를 도시한다.
도 8a, 도 8b, 도 8c, 도 8d, 도 8e, 도 8f 및 도 8g는 본 발명의 일 실시예에 따른 폴더블 표시 장치의 공정 단면도들을 도시한다.
110: 강성 기판
120: 제1 플렉서블 기판
122, 122’: 슬릿(slit)
130: 터치부
140: 제1 터치 배선층
150: 제1 절연층
160: 제2 터치 배선층
170: 제2 절연층
172, 172’, 174, 174’: 개구부
200: 제2 플렉서블 기판
210: 발광소자부
211: 버퍼층
212: 게이트 절연층
220: 박막 트랜지스터
221: 액티브층
222: 게이트층
223: 소스 전극
224: 드레인 전극
230: 층간 절연층
240: 패시베이션층
250: 평탄화층
260: 애소드
270: 뱅크
280: 캐소드
290: 봉지층
300: 접착층
300’: 접착재
EL: 발광 소자
PAD: 패드
Claims (9)
- 제1 플렉서블 기판;
상기 제1 플렉서블 기판 아래의 터치부;
상기 제1 플렉서블 기판에 대향하는 제2 플렉서블 기판;
상기 제2 플렉서블 기판 상의 발광소자부; 및
상기 제1 플렉서블 기판과 상기 제2 플렉서블 기판을 합착하는 접착층을 포함하고,
상기 터치부는 상기 제1 플렉서블 기판 아래의 제1 터치 배선층, 상기 제1 터치 배선층과 상기 제1 플렉서블 기판을 덮는 제1 절연층, 상기 제1 절연층 아래의 제2 터치 배선층, 및 상기 제2 터치 배선층과 상기 제1 절연층을 덮는 제2 절연층을 포함하고,
상기 제2 절연층은 상기 제1 절연층의 외측 일부를 상기 접착층에 노출시키는 개구부를 포함하는 폴더블 표시 장치. - 제1항에 있어서,
상기 개구부의 개수는 상기 제2 절연층의 마진(margin)에 기반하여 둘 이상으로 결정되는 폴더블 표시 장치. - 제1항에 있어서,
상기 제1 플렉서블 기판은 외측 일부에 슬릿을 가지는 폴더블 표시 장치. - 제3항에 있어서,
상기 슬릿의 위치에 대응하여 상기 개구부가 배치되는 폴더블 표시 장치. - 제4항에 있어서,
상기 제1 절연층은 상기 제1 플렉서블 기판의 상기 슬릿을 따라 배치된 폴더블 표시 장치. - 제4항에 있어서,
상기 개구부의 너비는 상기 슬릿의 너비보다 큰 폴더블 표시 장치. - 제1항에 있어서,
상기 제1 플렉서블 기판의 외측에 배치되는 패드를 더 포함하고,
상기 패드의 상면은 상기 제1 플렉서블 기판의 상면과 동일한 레벨을 가지는 폴더블 표시 장치. - 제7항에 있어서,
상기 개구부는 상기 패드의 위치를 고려하여 챔퍼(chamfer) 형태로 이루어지는 폴더블 표시 장치. - 강성 기판 상에 제1 플렉서블 기판을 형성하는 단계;
상기 제1 플렉서블 기판 상에 터치부를 형성하는 단계;
제2 플렉서블 기판 상에 발광소자부를 형성하는 단계;
접착재를 상기 제1 플렉서블 기판의 상기 터치부 상에 도포하는 단계;
상기 제1 플렉서블 기판과 상기 제2 플렉서블 기판을 합착하는 단계; 및
상기 강성 기판을 상기 제1 플렉서블 기판으로부터 분리하는 단계를 포함하고,
상기 터치부를 형성하는 단계는,
상기 제1 플렉서블 기판 상에 제1 터치 배선층을 형성하는 단계;
상기 제1 터치 배선층과 상기 제1 플렉서블 기판을 덮는 제1 절연층을 형성하는 단계;
상기 제1 절연층 상에 제2 터치 배선층을 형성하는 단계; 및
상기 제1 절연층의 외측 일부를 상기 접착재에 노출시키기 위해 개구부를 가지도록, 상기 제2 터치 배선층과 상기 제1 절연층을 덮는 제2 절연층을 형성하는 단계를 포함하는 폴더블 표시 장치의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020170149943A KR102409593B1 (ko) | 2017-11-10 | 2017-11-10 | 폴더블 표시 장치 및 폴더블 표시 장치의 제조 방법 |
US16/176,795 US10714704B2 (en) | 2017-11-10 | 2018-10-31 | Foldable display device and method of manufacturing the same |
CN201811301894.2A CN110021626B (zh) | 2017-11-10 | 2018-11-02 | 可折叠显示装置和制造可折叠显示装置的方法 |
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