Image sensor with drain region between optical black regions

Details Image sensor with drain region between optical black regions Image sensor with drain region between optical black regions

2008-09-23

2008-09-23

Yam, Stephen (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S208100, C348S243000, C348S245000, C257S445000, C257S223000, C257S230000

Reexamination Certificate

active

11333886

ABSTRACT:
An image sensor comprises an active pixel region that includes a plurality of unit pixels arranged in a matrix pattern, a first optical black region formed adjacent to the active pixel region, wherein a plurality of shaded unit pixels are arranged therein, a drain region formed adjacent to the first optical black region, the drain region discharging excess electrons generated in the active pixel region, and a second optical black region formed adjacent to the drain region, wherein another plurality of the shaded unit pixels are arranged therein.

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