Abstract:
An LCD and a fabrication method thereof are provided to detect a short-circuit and disconnection of a data line by forming a protection layer including a contact hole exposing a conductive layer. A plurality of gate lines(170) and a plurality of data lines(160a,160b,160c,160d) define pixel areas. A detection pad part(190) is electrically connected to the data line, is formed at an outer edge of the pixel area, and includes a contact hole(192). Repair lines(180a,180b) repair an open defect of the data line. The data lines include a first data line intersecting the gate line to define the pixel area, a second data line formed at an outer edge of the pixel area, connected to one side of a detection pad, and extending from the data line. A third data line is connected to the other side of the detection pad. A fourth data line connects the repair lines.
Abstract:
이미지 센서는 픽셀 어레이에 포함된 로우(row)에 배치된 복수의 픽셀 그룹들과, 각각이 상기 복수의 픽셀 그룹들 각각에 할당된 복수의 픽셀들의 동작을 제어하기 위한 복수의 로우 드라이버들과, 각각이 상기 복수의 픽셀 그룹들 각각에 할당된 상기 복수의 픽셀들로부터 출력된 픽셀 신호들을 리드아웃하는 복수의 리드아웃 회로들을 포함한다.
Abstract:
PURPOSE: A correlated double sampling (CDS) circuit and an image sensor having the same are provided to efficiently reduce random noise without increasing its size. CONSTITUTION: A sampling unit (120) generates an output signal by performing CDS for a reset component and an image component included in an input signal provided from a pixel array based on a ramp signal. A timing controlled band-limitation (TCBL) unit (140) removes noise of the output signal based on a timing control signal activated respectively in a first comparison section and a second comparison section. First comparison operation for a ramp signal and a reset component of an input signal is performed in the first comparison section. Second comparison operation for the ramp signal and an image component of the input signal is performed in the second comparison section.
Abstract:
PURPOSE: A correlated double sampling (CDS) circuit, an image sensor including the same, and an image processing device including the image sensor are provided to increase sensitivity and a signal noise ratio by minimizing a loss of a pixel signal. CONSTITUTION: A correction circuit (141) receives a plurality of pixel signals through a first node and corrects the received pixel signals. A first input unit of a comparator (143) is connected to a second node and receives the corrected pixel signals outputs through the second node from the correction circuit. A second input unit of the comparator receives a lamp signal. The comparator outputs a comparison signal corresponding to a comparison result of the corrected pixel signals and the lamp signal. The correction circuit includes a first capacitor connected to the between of the first node and the second node and a metal line adjacent to the first capacitor. One or more capacitors are formed by the first capacitor and the metal line.
Abstract:
본 발명은 영상신호를 샘플링하고 증폭하는 샘플링회로에 관한 것으로, 특히 상기 샘플링회로에 포함된 증폭기의 출력단자와 네가티브 입력단자 사이에 설치된 피드백 클램프블록을 구비하는 샘플링회로, 영상신호를 샘플링하고 증폭하는 영상신호증폭회로 및 상기 영상신호증폭회로를 구비하는 이미지센서를 개시한다. 상기 샘플링회로는 적어도 하나의 스위치, 적어도 하나의 커패시터 및 증폭기를 이용하여 입력신호를 샘플링 하는 기능을 수행하며, 상기 샘플링회로는 상기 증폭기의 출력단자와 네가티브 입력단자 사이에 연결된 클램프블록을 더 구비하고, 상기 클램프블록은 샘플링 시 상기 증폭기의 출력단자의 전압준위와 네가티브 입력단자의 전압준위의 최대 차이를 일정하게 유지하는 기능을 수행한다.