KR102541552B1 - 트랜지스터 기판 및 이를 이용한 유기발광표시패널과 유기발광표시장치 - Google Patents
트랜지스터 기판 및 이를 이용한 유기발광표시패널과 유기발광표시장치 Download PDFInfo
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Abstract
Description
도 2는 종래의 유기발광표시패널의 구동 트랜지스터의 게이트-소스 전압과 전류의 관계를 나타낸 그래프.
도 3은 본 발명에 따른 유기발광표시장치의 구성을 나타낸 예시도.
도 4는 본 발명에 따른 유기발광표시패널에 구비되는 픽셀의 일실시예 구성도.
도 5는 본 발명에 따른 유기발광표시패널의 하나의 픽셀의 단면을 나타낸 예시도.
도 6 내지 도 11은 본 발명에 따른 유기발광표시패널을 제조하는 방법을 설명하기 위한 예시도들.
200: 게이트 드라이버 300: 데이터 드라이버
400: 제어부
Claims (10)
- 기판;
상기 기판에 구비되는 스위칭용 채널;
상기 스위칭용 채널을 구성하는 스위칭용 액티브와 중첩되도록 상기 스위칭용 채널 상에 구비되는 게이트 절연막;
상기 스위칭용 액티브와 중첩되도록 상기 게이트 절연막 상에 구비되는 스위칭용 게이트;
상기 스위칭용 채널과, 상기 게이트 절연막과, 상기 스위칭용 게이트를 커버하는 제1 절연막;
상기 제1 절연막 상에 구비되는 구동용 채널;
상기 구동용 채널 및 상기 제1 절연막을 커버하는 제2 절연막;
상기 스위칭용 채널을 구성하는 제1 도체부에 연결되며, 상기 제2 절연막 상에 구비되는 제1 전극; 및
상기 스위칭용 채널을 구성하는 제2 도체부에 연결되며, 상기 제2 절연막 상에 구비되는 제2 전극을 포함하며,상기 스위칭용 채널을 구성하는 상기 제1 도체부는 상기 구동용 채널을 구성하는 구동용 액티브와 중첩되도록 배치되고,
상기 제1 도체부는 산화물 반도체로 이루어지고, 상기 게이트 절연막과 중첩되지 않는 트랜지스터 기판. - 제 1 항에 있어서,
상기 스위칭용 채널을 구성하는 상기 제1 도체부는, 상기 제1 절연막과 상기 구동용 채널을 포함하는 구동 트랜지스터의 게이트로 이용되는 트랜지스터 기판. - 제 1 항에 있어서,
상기 구동용 채널을 구성하는 제3 도체부는 상기 스위칭용 채널을 구성하는 상기 제1 도체부와 중첩되도록 배치되는 트랜지스터 기판. - 제 1 항에 있어서,
상기 제1 전극은 상기 구동용 채널을 구성하는 제3 도체부와 중첩되도록 배치되는 트랜지스터 기판. - 제 1 항에 있어서,
상기 제1 전극은 상기 구동용 채널을 구성하는 제3 도체부와 중첩되도록 배치되고, 상기 제1 전극과 상기 제3 도체부 사이에는 제1 스토리지 캐패시턴스가 형성되며,
상기 구동용 채널을 구성하는 상기 제3 도체부는 상기 스위칭용 채널을 구성하는 상기 제1 도체부와 중첩되도록 배치되고, 상기 제1 도체부와 상기 제3 도체부 사이에는 제2 스토리지 캐패시턴스가 형성되는 트랜지스터 기판. - 제 1 항에 있어서,
상기 구동용 채널을 구성하는 상기 구동용 액티브와 중첩되도록 상기 구동용 채널에 구비되는 차단막을 더 포함하며,
상기 차단막은 상기 제2 절연막에 의해 커버되는 트랜지스터 기판. - 제 1 항에 있어서,
상기 절연막의 두께는 상기 게이트 절연막의 두께보다 큰 트랜지스터 기판. - 제 1 항 내지 제 7 항 중 어느 하나의 트랜지스터 기판;
상기 제1 전극과 상기 제2 전극 및 상기 제2 절연막을 커버하는 보호막; 및
상기 보호막에 구비되는 유기발광다이오드를 포함하는 유기발광표시패널. - 제 8 항에 있어서,
상기 유기발광다이오드를 구성하는 애노드는 상기 구동용 채널을 구성하는 제3 도체부와 연결되는 유기발광표시패널. - 제 8 항에 기재된 유기발광표시패널;
상기 유기발광표시패널에 구비된 게이트 라인들로 게이트 펄스를 공급하는 게이트 드라이버;
상기 유기발광표시패널에 구비된 데이터 라인들로 데이터 전압을 공급하는 데이터 드라이버; 및
상기 게이트 드라이버와 상기 데이터 드라이버를 제어하는 제어부를 포함하는 유기발광표시장치.
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CN201711225647.4A CN108122500B (zh) | 2016-11-30 | 2017-11-29 | 晶体管基板、有机发光显示面板及有机发光显示装置 |
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