Solid state image sensor

Details Solid state image sensor Solid state image sensor

H - Electricity

01

L

345/1

H01L 31/02 (2006.01) H01L 27/148 (2006.01) H04N 3/15 (2006.01)

Patent

CA 1192974

ABSTRACT OF THE DISCLOSURE A solid state image sensor is disclosed which includes a photosensitive region consisting of a group of first vertical shift registers formed of a plurality of charge transfer devices, light receiving areas, which are located between adjacent ones of the group of first vertical shift registers, electrically separated from one other by a channel stop region and capable of accumulating a charge, and read- out gate sections transferring signal charges of the light receiving areas to corresponding one of the first vertical shift registers, a storage section consisting of a group of second vertical shift registers electrically connected to one ends of the vertical shift registers, a charge transfer horizontal shift register electrically connected to one ends of the second vertical shift registers, and a section for making that upon field-reading out the signal charges in the photosensitive areas, the potentials of the read-out gate sections during the light receiving and accumulating period are made different between the periods before and after the vertical blanking period during which a signal of an opposite field is read out whereby a processing charge amount by the light receiving areas during the preceding period is made smaller than that during the succeeding period.

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