Patent ID: 6831691
Filing Date: 2004-12-14
Classification: H04N

Abstract:
A two-dimensional solid-state image pickup device having a plurality of pixels arranged in a matrix, each of said plurality of pixels comprising:a photodiode; a first MOS transistor having a first electrode and a gate electrode each connected to a first electrode of said photodiode, said first MOS transistor adapted for operating in a subthreshold region; a second MOS transistor having a gate electrode connected to said gate electrode of the first MOS transistor and a first electrode connected to a first voltage application line capable of applying a first voltage; a capacitor having a first terminal connected to a second electrode of said second MOS transistor and a second terminal connected to a second voltage application line capable of applying a second voltage; and a third MOS transistor for selecting a read operation, said third MOS transistor having a first electrode connected to said one terminal of said capacitor, a second electrode connected to an output signal line and a gate electrode connected to a column select line.