Image sensor having pinned floating diffusion diode

Details Image sensor having pinned floating diffusion diode Image sensor having pinned floating diffusion diode

2007-10-09

2007-10-09

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C257S292000

Reexamination Certificate

active

11433350

ABSTRACT:
The present invention provides an image sensor having a pinned floating diffusion region in addition to a pinned photodiode. The pinned floating diffusion region increases the capacity of the sensor to store charge, increases the dynamic range of the sensor and widens intra-scene intensity variation.

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