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Solid-state image pickup device and control method thereof, and camera
 
   
Document Number
US Patent 7538810
Issued Date
May 26, 2009
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Abstract
An object of the invention is to cause a part of charge spilling from a photoelectric conversion unit to flow into a charge holding unit and thereby extend dynamic range and at the same time improve image quality. There is provided a solid-state image pickup device having a pixel including: a photoelectric conversion unit generating and accumulating charge by means of photoelectric conversion; a first charge holding unit being shielded from light, and being adaptable to accumulate a part of charge spilling from the photoelectric conversion unit in a period during which the photoelectric conversion unit generates and accumulates charge; an amplifying unit (SF-MOS) amplifying charge; a first transfer unit (Tx-MOS) transferring the charge accumulated in the photoelectric conversion unit to the amplifying unit; and a second transfer unit (Ty-MOS) transferring the charge accumulated in the first charge holding unit to the amplifying unit.
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Number of Claims:
7
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Owner
Published
May 26, 2009
Application Number
11/332,734
Filed
January 13, 2006
US Classification
348/308  
Int'l Classification
H04N   3/14   (20060101)  
Examiner
Priority Data
Jan 14, 2005 [JP] 2005-008124
USPTO Field of Search
348/308  
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