IMAGE PROCESSING DEVICE, AND IMAGE PROCESSING SYSTEM HAVING THE IMAGE PROCESSING DEVICE

According to an embodiment of the present invention, an image processing device comprises: a switch signal generator for generating switch control signals based on a level of an image signal associated with a pixel signal outputted from a pixel; an amplifier including first and second input terminal...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHOI MICHAEL, LIM, SIN HWAN, SUL, HAE SICK, LEE, JUNG HO, KIM, KYUNG MIN, YOON, JAE CHEOL, PARK, HO JIN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	According to an embodiment of the present invention, an image processing device comprises: a switch signal generator for generating switch control signals based on a level of an image signal associated with a pixel signal outputted from a pixel; an amplifier including first and second input terminals; a lamp signal generator for generating a lamp signal; and an attenuation control circuit for controlling an array of a plurality of capacitors by using the switch control signals, controlling attenuation of each of the pixel signal and the lamp signal by using the controlled array, and transmitting signals generated in accordance with a control result to the first and second input terminals. 본 발명의 실시 예에 따른 이미지 처리 장치는 픽셀로부터 출력된 픽셀 신호에 관련된 이미지 신호의 레벨에 기초하여 스위치 제어 신호들을 생성하는 스위치 신호 생성기, 제1입력 단자와 제2입력 단자를 포함하는 증폭기, 램프 신호를 생성하는 램프 신호 생성기, 및 상기 스위치 제어 신호들을 이용하여 복수의 커패시터들의 배열을 조절하고, 조절된 배열을 이용하여 상기 픽셀 신호와 상기 램프 신호 각각의 감쇠 여부를 제어하고, 제어의 결과에 따라 생성된 신호들을 상기 제1입력 단자와 상기 제2입력 단자로 전송하는 감쇠 제어 회로를 포함한다.