KR102627074B1 - 표시소자, 표시장치 및 데이터 구동부 - Google Patents
표시소자, 표시장치 및 데이터 구동부 Download PDFInfo
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Abstract
Description
도 2는 도 1의 데이터 구동부의 구성도이다.
도 3은 도 1의 표시장치에서 X번째 데이터 라인과 Y번째 게이트 라인이 교차하는 영역에 배치된 픽셀의 등가회로도를 예시적으로 나타낸다.
도 4는 도 1의 표시장치의 하나의 프레임 동안 공통 게이트 신호와 게이트 라인들의 게이트 신호들의 신호 파형들을 도시하고 있다.
도 5는 도 1의 표시장치의 하나의 프레임 동안 하나의 픽셀의 구동회로의 신호 파형들을 도시하고 있다.
도 6은 도 5에 도시한 픽셀의 구동회로의 다른 예의 신호 파형들을 도시하고 있다.
도 7 내지 도 9는 도 1의 표시장치의 각 픽셀의 한 프레임의 구간들의 등가회로도들을 나타낸다.
도 10은 다른 실시예로, 도 1의 표시장치의 하나의 프레임 동안 하나의 픽셀의 구동회로의 신호 파형들을 도시하고 있다.
120: 데이터 구동부 130: 게이트 구동부
140: 컨트롤러
Claims (16)
- 제1전극과 제2전극을 포함하는 유기발광다이오드;
데이터 전압이 인가되는 제1노드와, 상기 유기발광다이오드의 상기 제1전극과 연결된 제2노드와, 구동전압 라인과 전기적으로 연결된 제3노드를 갖는 구동 트랜지스터;
상기 데이터 전압을 공급하는 데이터 라인과 상기 구동 트랜지스터의 제1노드 사이에 전기적으로 연결된 제1트랜지스터;
초기화 전압을 공급하는 초기화 전압 라인과 상기 구동 트랜지스터의 제2노드 사이에 전기적으로 연결된 제2트랜지스터; 및
상기 구동 트랜지스터의 제1노드와 제2노드 사이에 전기적으로 연결된 캐패시터를 포함하고,
하나의 프레임 구간은 데이터 기입 및 유지 구간과 발광 구간을 포함하고, 상기 데이터 기입 및 유지 구간과 상기 발광 구간 사이에 플루팅 구간을 포함하며,
상기 제1트랜지스터는 상기 데이터 기입 및 유지 구간 중 해당 구동 트랜지스터에 데이터 전압을 인가하는 구간인 해당 데이터 기입 구간 동안 턴온되고,
상기 제2트랜지스터는 상기 데이터 기입 구간 및 데이터 유지 구간 동안 턴온되며, 상기 플루팅 구간 동안에 상기 제2트랜지스터는 오프상태이고 기저전압은 하이상태를 유지하는 표시소자. - 삭제
- 제1항에 있어서,
상기 유기발광다이오드의 상기 제2전극은 기저 전압과 연결되어 있고,
상기 기저 전압은 상기 발광 구간 동안 로우상태를 유지하고 상기 발광 구간 이외에 하이상태를 유지하는 표시소자. - 삭제
- 제1항에 있어서,
상기 플루팅 구간은 상기 데이터 기입 구간보다 짧은 표시소자. - 제3항에 있어서,
상기 하나의 프레임은 상기 발광구간과 다음 프레임의 데이터 기입 및 유지 구간 사이에 오프셋 구간을 포함하고,
상기 오프셋 구간 동안 상기 제1트랜지스터와 상기 제2트랜지스터는 오프상태이고 상기 기저전압은 하이상태를 유지하는 표시소자. - 삭제
- 삭제
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CN201711206946.3A CN108230995B (zh) | 2016-12-22 | 2017-11-27 | 显示元件、有机发光显示装置和数据驱动器 |
US15/833,050 US10476023B2 (en) | 2016-12-22 | 2017-12-06 | Display element, organic light emitting display device and data driver |
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US20180182995A1 (en) | 2018-06-28 |
JP6625112B2 (ja) | 2019-12-25 |
CN108230995A (zh) | 2018-06-29 |
KR20180073788A (ko) | 2018-07-03 |
US10476023B2 (en) | 2019-11-12 |
JP2018106155A (ja) | 2018-07-05 |
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