Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshiyuki Kurokawa0
Date of Patent
April 25, 2017
Patent Application Number
15078741
Date Filed
March 23, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
An imaging device with excellent imaging performance is provided. The imaging device has a first circuit including a first photoelectric conversion element and a second circuit including a second photoelectric conversion element. The second circuit is shielded from light. In the imaging device, a current mirror circuit in which a transistor connected to the second photoelectric conversion element serves as an input transistor and a transistor connected to the first photoelectric conversion element serves as an output transistor is formed. With such a configuration, the amount of photocurrent in the first circuit from which the contribution of the dark current of the first photoelectric conversion element has been excluded can be detected.
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