KR102594792B1 - 유기발광표시장치 및 그 제어방법 - Google Patents
유기발광표시장치 및 그 제어방법 Download PDFInfo
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Abstract
Description
도 2는 본 실시예들에 따른 유기발광표시장치의 서브픽셀 회로를 나타낸 도면이다.
도 3은 본 발명에 따른 타이밍 컨트롤러의 구성블럭도이다.
도 4는 본 실시예들에 따른 유기발광표시장치에서 휘도를 조절하는 영역을 나타낸 개념도이다.
도 5는 본 실시예에 따른 휘도의 조절에 따른 다양한 모드를 나타낸 그래프이다.
도 6a 및 도 6b는 본 실시예에 따른 유기발광표시장치에서 인체감지를 통해 휘도를 조절하는 과정을 나타낸 흐름도이다.
110 : 표시패널
140 : 타이밍 컨트롤러
141 : 인체판단부
143 : 휘도조절부
145 : 전압보상부
170 : 인체감지부
Claims (12)
- 다수의 데이터 라인 및 다수의 게이트 라인에 의해 정의되는 다수의 서브픽셀이 배열된 표시패널을 포함하는 유기발광표시장치에 있어서,
상기 표시패널의 전방에 존재하는 인체를 감지하는 인체감지부;
상기 인체감지부로부터의 감지 정보에 따라 상기 인체의 존재 여부와 상기 인체의 상기 표시패널에 대한 위치를 판단하는 인체판단부;
상기 인체판단부로부터의 판단결과에 따라, 상기 표시패널의 휘도의 조절여부를 결정하는 휘도조절부; 및
상기 휘도조절부로부터의 결정에 따라 상기 서브픽셀에 제공되는 영상 데이터를 조절하는 타이밍 컨트롤러;를 포함하며,
상기 휘도조절부는 상기 인체판단부에서 인체가 존재하지 않는 것으로 판단되면, 상기 표시패널의 휘도를 일정 레벨까지 감소시키는 전력절약모드로 돌입하며,
상기 전력절약모드로 돌입한 후 일정 시간동안 상기 인체판단부로부터 상기 인체가 존재하지 않는다는 정보를 제공받으면 상기 휘도를 소정 레벨 이하로 저하시키는 전압센싱모드로 돌입하도록 하는 유기발광표시장치.
- 제1항에 있어서,
상기 휘도조절부는 상기 인체판단부에서 인체가 상기 표시패널의 중앙 영역으로부터 소정 각도 범위 밖에 존재하는 경우, 상기 표시패널의 휘도를 증가시키는 유기발광표시장치. - 삭제
- 제1항에 있어서,
상기 각 서브픽셀에는,
유기발광다이오드와,
상기 유기발광다이오드를 구동하며, 상기 유기발광다이오드와 전기적으로 연결되는 제1노드, 데이터전압이 인가되는 제2노드, 구동 전압 라인으로부터 구동 전압이 인가되는 제3노드를 갖는 구동 트랜지스터와,
상기 구동 트랜지스터의 제2노드와 데이터 라인 사이에 전기적으로 연결되는 스위칭 트랜지스터와,
상기 구동 트랜지스터의 제1노드와 기준 전압이 인가되는 기준전압 라인 사이에 전기적으로 연결되는 센싱 트랜지스터와,
상기 기준전압 라인의 전압을 측정하는 아날로그 디지털 컨버터와,
상기 기준전압 라인과 상기 아날로그 디지털 컨버터 사이에 전기적으로 연결된 샘플링 스위치와,
상기 인체감지부로부터의 감지결과, 인체가 미리 설정된 소정 시간동안 감지되지 않는 경우, 상기 기준전압 라인에 상기 기준 전압을 인가하여 상기 기준전압 라인을 초기화시키고, 상기 기준전압 라인을 초기화시킨 이후, 일정 시간이 경과하면 상기 샘플링 스위치를 턴온시켜 상기 아날로그 디지털 컨버터와 상기 기준전압 라인을 전기적으로 연결시켜 상기 아날로그 디지털 컨버터에서 상기 기준전압 라인의 전압을 측정하도록 하는 전압보상부를 포함하는 유기발광표시장치.
- 제4항에 있어서,
상기 휘도조절부는 상기 전압보상부에서 상기 샘플링 스위치를 동작시켜 상기 기준전압 라인의 전압을 측정하면, 상기 휘도를 소정 레벨 이하로 저하시키는 전압센싱모드로 돌입하도록 하는 유기발광표시장치.
- 제5항에 있어서,
상기 휘도조절부는, 상기 전압센싱모드가 진행 및 완료되는 동안 상기 인체판단부로부터 상기 인체가 존재하지 않는다는 정보를 제공받으면 상기 표시패널에 내부 패턴이 표시되도록 휘도를 조절하여 AGP 모드로 돌입하도록 하는 유기발광표시장치. - 다수의 데이터 라인 및 다수의 게이트 라인에 의해 정의되는 다수의 서브픽셀이 배열된 표시패널을 포함하는 유기발광표시장치의 제어방법에 있어서,
상기 표시패널의 전방에 존재하는 인체를 감지하는 감지단계;
상기 감지단계로부터의 감지 정보에 따라 상기 인체의 존재 여부와 상기 인체의 상기 표시패널에 대한 위치를 판단하는 판단단계;
상기 판단단계로부터의 판단결과에 따라, 상기 표시패널의 휘도의 조절여부를 결정하는 조절결정단계; 및
상기 조절결정단계로부터의 결정에 따라 상기 서브픽셀에 제공되는 데이터전압을 조절하는 조절단계;를 포함하며,
상기 조절결정단계는 상기 인체가 존재하지 않는 것으로 판단되면, 상기 표시패널의 휘도를 일정 레벨까지 감소시키는 전력절약모드로 돌입하는 단계를 포함하며,
상기 전력절약모드의 돌입 후 인체가 미리 설정된 소정 시간동안 감지되지 않는 경우, 상기 각 서브픽셀의 구동 트랜지스터의 임계전압을 측정하는 전압센싱모드로 돌입하는 단계를 포함하는 유기발광표시장치의 제어방법.
- 제7항에 있어서,
상기 조절결정단계는 상기 인체가 상기 표시패널의 중앙 영역으로부터 소정 각도 범위 밖에 존재하는 경우, 상기 표시패널의 휘도를 증가시키는 단계를 포함하는 유기발광표시장치의 제어방법. - 삭제
- 삭제
- 제7항에 있어서,
상기 전압센싱모드에 돌입하면 상기 휘도를 소정 레벨 이하로 저하시키는 단계를 포함하는 유기발광표시장치의 제어방법.
- 제11항에 있어서,
상기 전압센싱모드가 진행 및 완료되는 동안 상기 인체가 존재하지 않는다는 정보를 제공받으면 상기 표시패널에 내부 패턴이 표시되도록 휘도를 조절하여 AGP 모드로 돌입하는 단계를 포함하는 유기발광표시장치의 제어방법.
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| KR1020160126512A KR102594792B1 (ko) | 2016-09-30 | 2016-09-30 | 유기발광표시장치 및 그 제어방법 |
| US15/714,635 US10388225B2 (en) | 2016-09-30 | 2017-09-25 | Organic light emitting display device and method of controlling same |
| CN201710915970.8A CN107886895B (zh) | 2016-09-30 | 2017-09-30 | 有机发光显示装置及其控制方法 |
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| JP6490811B2 (ja) * | 2015-06-23 | 2019-03-27 | 堺ディスプレイプロダクト株式会社 | 液晶表示装置及び液晶表示装置の駆動方法 |
| KR102594792B1 (ko) * | 2016-09-30 | 2023-10-30 | 엘지디스플레이 주식회사 | 유기발광표시장치 및 그 제어방법 |
| JP6693495B2 (ja) * | 2017-12-15 | 2020-05-13 | ソニー株式会社 | 情報処理装置、情報処理方法及び記録媒体 |
| KR102650817B1 (ko) * | 2019-05-22 | 2024-03-26 | 삼성전자주식회사 | 표시 장치 |
| KR102883429B1 (ko) | 2019-12-26 | 2025-11-07 | 엘지디스플레이 주식회사 | 표시 장치 및 표시 장치의 구동 방법 |
| CN111429851B (zh) * | 2020-04-15 | 2021-11-16 | 北京睿智航显示科技有限公司 | 显示装置的控制方法及显示装置 |
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| US10388225B2 (en) | 2019-08-20 |
| KR20180036838A (ko) | 2018-04-10 |
| CN107886895A (zh) | 2018-04-06 |
| US20180096655A1 (en) | 2018-04-05 |
| CN107886895B (zh) | 2020-07-10 |
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