KR102688471B1 - 표시장치 - Google Patents
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- KR102688471B1 KR102688471B1 KR1020190114798A KR20190114798A KR102688471B1 KR 102688471 B1 KR102688471 B1 KR 102688471B1 KR 1020190114798 A KR1020190114798 A KR 1020190114798A KR 20190114798 A KR20190114798 A KR 20190114798A KR 102688471 B1 KR102688471 B1 KR 102688471B1
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 표시장치를 개략적으로 나타낸 사시도이다.
도 3 내지 도 5는 도 2의 다른 변형예들을 나타낸 사시도이다.
도 6은 도 2의 또 다른 변형예를 나타낸 사시도이다.
도 7은 본 발명의 일 실시예에 따른 표시장치의 구동 제어부와 메모리부를 나타낸 회로도이다.
도 8은 도 7의 일 채널을 자세히 나타낸 회로도이다.
도 9는 본 발명의 일 실시예에 따른 표시장치의 구동 제어부와 메모리부 사이의 구간별 데이터 흐름을 나타낸 타이밍도이다.
도 10은 본 발명의 다른 실시예에 따른 표시장치를 나타낸 블록도이다.
도 11은 본 발명의 또 다른 실시예에 따른 표시장치를 나타낸 블록도이다.
10: 구동 제어부
11: 타이밍 제어부
12: 구동부
20: 표시부
30: 메모리부
31: 프레임 메모리
32: 제1 보상 메모리
33: 제2 보상 메모리
40: 호스트 프로세서
Claims (20)
- 복수의 화소들을 포함하고, 영상을 표시하는 표시부;
타이밍 제어부, 및 상기 타이밍 제어부에 제어되고, 상기 표시부에 전기적 신호를 제공하는 구동부를 포함하는 구동 제어부;
상기 구동 제어부로부터 정지 영상 데이터를 전송받아 저장하는 메모리부; 및
상기 구동 제어부와 상기 메모리부가 상기 정지 영상 데이터를 송수신하도록 연결하는 인터페이스를 포함하되,
상기 구동 제어부와 상기 메모리부는 독립적인 부품으로 구현되고,
상기 인터페이스는 상기 타이밍 제어부와 상기 메모리부를 연결하는 제1 채널 및 제2 채널을 포함하며,
상기 인터페이스는 제1 구간동안 명령 및 주소를 상기 제1 채널을 통해 전송하고, 상기 제1 구간 이후의 제2 구간동안 상기 정지 영상 데이터를 상기 제2 채널을 통해 전송하는 표시장치. - 제1 항에 있어서,
상기 인터페이스는 차동 신호 방식으로 상기 정지 영상 데이터를 송수신하는 표시장치. - 제1 항에 있어서,
상기 인터페이스는 시리얼 방식으로 상기 명령, 상기 주소 및 상기 정지 영상 데이터를 송수신하는 표시장치. - 제3 항에 있어서,
상기 표시부는 FHD 이상의 고화질 영상을 표시하는 표시장치. - 삭제
- 제1 항에 있어서,
상기 인터페이스의 핀의 수는 12개인 표시장치. - 제6 항에 있어서,
상기 영상 데이터가 전송되는 핀의 수는 8개인 표시장치. - 제1 항에 있어서,
상기 메모리부의 리소스는 64Mb 이하인 표시장치. - 제1 항에 있어서,
상기 메모리의 소비전력은 10mW 이하인 표시장치. - 제1 항에 있어서,
상기 메모리부는, 상기 영상이 정지 상태에서의 영상 데이터를 저장하고, 상기 표시부가 정지 영상을 표시하는 동안에 상기 저장된 영상 데이터를 상기 구동 제어부에 제공하는 프레임 메모리를 포함하는 표시장치. - 제9 항에 있어서,
상기 메모리부는, 얼룩 보상 데이터가 저장되는 제1 보상 메모리, 및 상기 각 화소들의 수명 데이터를 포함하는 잔상 보정 데이터를 저장하는 제2 보상 메모리를 더 포함하는 표시장치. - 제1 항에 있어서,
상기 메모리부는 상기 구동 제어부의 외부에 배치되는 표시장치. - 삭제
- 박막 트랜지스터를 포함하는 하부 기판, 및 상기 하부 기판의 부품을 보호하는 상부 기판을 포함하고, 영상을 표시하는 복수의 화소들로 이루어진 표시부가 정의된 표시패널;
상기 하부 기판에 부착된 연성필름;
상기 연성필름에 부착된 인쇄회로보드;
상기 표시부에 데이터 전압 및 주사 신호를 인가하는 디스플레이 구동 집적 회로;
상기 디스플레이 구동 집적 회로의 외부에 배치되며, 상기 디스플레이 구동 집적 회로로부터 정지 상태에서의 영상 데이터를 전송받아 저장하고, 상기 표시패널이 정지 영상을 표시하는 동안에 상기 저장된 영상 데이터를 상기 디스플레이 구동 집적 회로에 제공하는 제1 메모리; 및
상기 디스플레이 구동 집적 회로와 상기 제1 메모리가 상기 정지 영상 데이터를 송수신하도록 연결하는 인터페이스를 포함하며,
상기 인터페이스는 상기 디스플레이 구동 집적 회로와 상기 제1 메모리를 연결하는 제1 채널 및 제2 채널을 포함하고,
상기 인터페이스는 제1 구간동안 명령 및 주소를 상기 제1 채널을 통해 전송하고, 상기 제1 구간 이후의 제2 구간동안 상기 정지 영상 데이터를 상기 제2 채널을 통해 전송하는 표시장치. - 제14 항에 있어서,
상기 디스플레이 구동 집적 회로는 칩 온 글라스(COG)형태로 상기 하부 기판에 실장되고,
상기 제1 메모리는 상기 연성필름 또는 상기 인쇄회로보드에 실장되는 표시장치. - 제14 항에 있어서,
상기 디스플레이 구동 집적 회로의 교체 없이, 상기 메모리를 교체할 수 있는 표시장치. - 제14 항에 있어서,
얼룩 보상 데이터가 저장되는 제2 메모리를 포함하는 표시장치. - 삭제
- 제17 항에 있어서,
상기 디스플레이 구동 집적 회로의 외부에 배치되며, 상기 각 화소들의 수명 데이터를 저장하는 제3 메모리를 더 포함하는 표시장치. - 제19 항에 있어서,
상기 제2 메모리 및 상기 제3 메모리는 독립적인 부품인 표시장치.
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