KR102625726B1 - 발광 표시장치 - Google Patents
발광 표시장치 Download PDFInfo
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Abstract
Description
도 2는 본 발명에 따른 발광 표시장치의 외부 구성을 나타낸 예시도.
도 3은 본 발명에 따른 발광 표시장치에 적용되는 픽셀의 구성을 나타낸 예시도.
도 4는 본 발명에 따른 발광 표시장치에 적용되는 제어부의 구성을 나타낸 예시도.
도 5는 도 1에 도시된 K영역을 확대한 예시도.
도 6은 도 1에 도시된 K영역을 확대한 또 다른 예시도.
300: 데이터 드라이버 400: 제어부
500: 전원 공급부
Claims (16)
- 영상이 표시되는 픽셀들이 구비된 표시영역과 상기 표시영역을 감싸고 있는 비표시영역으로 구분되는 발광 표시패널을 포함하고,
상기 비표시영역 중 제1 비표시영역은, 회로기판과 전기적으로 연결되는 패드들이 구비되는 패드영역, 상기 표시영역과 인접되어 있는 경계영역 및 상기 패드영역과 상기 경계영역 사이에 구비되는 벤딩영역을 포함하고,
상기 패드영역에는 전원라인 패드 및 제1 센싱라인 패드와 제2 센싱라인 패드가 구비되고,
상기 전원라인 패드는 상기 픽셀들로 전원을 공급하며 상기 패드영역, 상기 벤딩영역 및 상기 경계영역에 구비되는 전원라인과 연결되고,
상기 제1 센싱라인 패드는 상기 패드영역, 상기 벤딩 영역 및 상기 경계영역에 구비되는 제1 센싱라인과 연결되고,
상기 제2 센싱라인 패드는 상기 패드영역에 구비하는 제2 센싱라인과 연결되고,
상기 제1 센싱라인은 상기 경계영역에서 상기 전원라인과 연결되고,
상기 제2 센싱라인은 상기 패드영역에서 상기 전원라인과 연결되는 발광 표시장치. - 제 1 항에 있어서,
상기 표시영역에는, 상기 경계영역에서 상기 전원라인으로부터 분기된 표시영역 전원라인들이 구비되며,
상기 표시영역 전원라인들 각각은 상기 픽셀에 구비된 픽셀구동회로에 연결되는 발광 표시장치. - 제 2 항에 있어서,
상기 픽셀구동회로는,
발광 소자; 및
제1 단자가 상기 표시영역 전원라인에 연결되고, 제2 단자가 상기 발광 소자에 연결되며, 게이트가 게이트 드라이버에 연결되는 구동 트랜지스터를 포함하며,
상기 표시영역 전원라인을 통해 공급되는 제1 구동전압은 상기 구동 트랜지스터를 통해 상기 발광 소자에 공급되는 발광 표시장치. - 제 1 항에 있어서,
상기 전원 라인은 상기 표시 영역의 상기 픽셀에 초기화 전압을 공급하는 라인인 발광 표시장치. - 제 1 항에 있어서,
상기 제1 센싱라인 및 상기 제1 센싱라인 패드를 통해 전송된 제1 센싱신호와, 상기 제2 센싱라인 및 상기 제2 센싱라인 패드를 통해 전송된 제2 센싱신호는 서로 다른 발광 표시장치. - 제 5 항에 있어서,
상기 전원라인 패드를 통해 상기 전원라인에 상기 전원을 공급하는 전원 공급부; 및
상기 제1 및 제2 센싱라인 패드를 통해 각각 수신된 상기 제1 및 제2 센싱신호를 이용하여 상기 전원 공급부에서 생성되는 상기 전원의 전압 레벨을 결정하는 제어부를 추가로 포함하는 발광 표시장치. - 제 6 항에 있어서,
상기 제어부는
상기 제1 및 제2 센싱신호를 이용하여 상기 벤딩영역에서의 상기 전원라인의 저항특성을 산출하고, 산출된 저항특성에 따라 상기 전원의 전압 레벨을 결정하는 발광 표시장치. - 제 1 항에 있어서,
상기 전원은 상기 픽셀에 구비된 발광 소자를 구동하는 제1 구동전압이거나, 상기 발광 소자를 구동하는 제2 구동전압이거나, 상기 픽셀에 구비된 구동 트랜지스터를 초기화시키는 초기화 전압인 발광 표시장치. - 제 1 항에서,
상기 벤딩영역은 상기 발광 표시패널의 배면 방향으로 벤딩되는 발광 표시장치. - 제 2 항에 있어서,
상기 표시영역 전원라인들은 상기 발광 표시패널에 구비되는 데이터 라인들을 따라 구비되는 발광 표시장치. - 영상이 표시되는 픽셀들이 구비된 표시영역과 상기 표시영역을 감싸고 있는 비표시영역으로 구분되는 발광 표시패널; 및
상기 발광 표시패널에 구비되는 데이터 라인들과 게이트 라인들로 공급되는 신호들을 제어하는 제어부를 포함하고,
상기 비표시영역은 패드들이 구비되는 패드영역, 상기 표시영역과 인접되어 있는 경계영역 및 상기 패드영역과 상기 경계영역 사이에 구비되는 벤딩영역을 포함하고,
상기 패드영역에는, 전원라인 패드 및 제1 센싱라인 패드와 제2 센싱라인 패드가 구비되고,
상기 전원라인 패드는 상기 픽셀들로 전원을 공급하며 상기 패드영역, 상기 벤딩영역 및 상기 경계영역에 구비되는 전원라인과 연결되고,
상기 제1 센싱라인 패드는 상기 패드영역, 상기 벤딩영역 및 상기 경계영역에 구비되는 제1 센싱라인과 연결되고,
상기 제2 센싱라인 패드는 상기 패드영역에 구비하는 제2 센싱라인과 연결되고,
상기 제1 센싱라인은 상기 경계영역에서 상기 전원라인과 연결되고,
상기 제2 센싱라인은 상기 패드영역에서 상기 전원라인과 연결되며,
상기 제어부는 상기 제1 센싱라인 및 상기 제1 센싱라인 패드를 통해 제1 센싱신호를 수신하고, 상기 제2 센싱라인 및 상기 제2 센싱라인 패드를 통해 상기 제1 센싱신호와 다른 제2 센싱신호를 수신하는 발광 표시장치. - 제 11 항에 있어서,
상기 제1 센싱신호와 상기 제2 센싱신호를 이용하여 상기 벤딩영역에서의 상기 전원라인의 저항값을 산출하고, 산출된 저항값에 따라 전원 공급부를 제어하여, 상기 전원 공급부로부터 상기 전원라인을 통해 공급되는 상기 전원의 크기를 변경시키는 발광 표시장치. - 제 12 항에 있어서,
상기 제어부는,
외부 시스템으로부터 전원 오프 신호가 수신되면, 상기 제1 및 제2 센싱신호를 이용하여 상기 저항값을 산출하고, 상기 전원라인을 통해 공급될 전원의 변화량을 상기 저항값에 따라 설정하여 저장하고,
상기 전원 오프 신호가 수신된 후, 상기 외부 시스템으로부터 전원 온 신호가 수신되면, 저장된 상기 전원의 변화량에 대응되는 전원을 출력하도록 상기 전원 공급부를 제어하는 발광 표시장치. - 삭제
- 삭제
- 삭제
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