Solid-state imaging device

Details Solid-state imaging device Solid-state imaging device

2006-06-27

2006-06-27

Vu, Hung (Department: 2811)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

C257S291000

Reexamination Certificate

active

07067860

ABSTRACT:
The invention can provide a solid-state imaging device that can include a pixel array where a plurality of unit pixels including a photo diode and an insulated gate field effect transistor for detecting photocharges are arranged, and a control circuit that controls the operation of the pixel array. The control circuit can cause a junction region between a semiconductor substrate of a first conductivity type and a semiconductor layer of a second conductivity type to be in a forward bias state so as to accumulate a predetermined amount of the charge of a predetermined conductivity type in an accumulation region, and control discharging the charges of a predetermined conductivity type accumulated in the accumulation region thereafter. Accordingly, the invention provides a solid-state imaging element that avoids deterioration of image quality caused by photocharges accumulated during previous imaging.

REFERENCES:
patent: 6051857 (2000-04-01), Miida
patent: 6504194 (2003-01-01), Miida
patent: A 11-195778 (1999-07-01), None

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