CMOS image sensor with improved fill factor

Details CMOS image sensor with improved fill factor CMOS image sensor with improved fill factor

1997-06-02

1999-07-06

Garber, Wendy

Television

Camera, system and detail

Solid-state image sensor

348309, H04N 314

Patent

active

059203455

ABSTRACT:
An active pixel sensor circuit and method. According to one embodiment, a photodetector produces a voltage at a floating diffusion node in accordance with light sensed by the photodetector. An active element is coupled at a control terminal to the floating diffusion node and is directly couplable at an output terminal to an output line. The active element is configured to provide an output voltage on the output line having a magnitude related to the magnitude of the floating diffusion node voltage.

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patent: 5471515 (1995-11-01), Fossum et al.
patent: 5500383 (1996-03-01), Hynecek
patent: 5631704 (1997-05-01), Dickinson et al.
patent: 5698844 (1997-12-01), Shinohara et al.
patent: 5739562 (1998-04-01), Ackland et al.
patent: 5742047 (1998-04-01), Buhler et al.
patent: 5793423 (1998-08-01), Hamasaki

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