The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 28, 2019

Filed:

Oct. 27, 2016
Applicant:

Smartsens Technology (Cayman) Co. Ltd., Grand Cayman, KY;

Inventors:

Zhibin Xiong, San Francisco, CA (US);

Chen Xu, Santa Clara, CA (US);

Zexu Shao, Shanghai, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01); H04N 5/369 (2011.01); H04N 5/3745 (2011.01); H04N 5/357 (2011.01); H04N 9/04 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14636 (2013.01); H01L 27/14634 (2013.01); H04N 5/3575 (2013.01); H04N 5/379 (2018.08); H04N 5/3745 (2013.01); H04N 5/37452 (2013.01); H04N 9/045 (2013.01); H01L 27/14609 (2013.01); H01L 27/14645 (2013.01);
Abstract

The present invention relates to an imaging apparatus, which comprises: a pixel array, comprising a plurality of pixels arranged in rows and columns, wherein at least one of the pixels comprises: a first capacitor configured to store a reset signal, and a second capacitor configured to store a pixel signal; a plurality of column circuits, wherein at least one of the column circuits reads the reset signal from the first capacitor, reads the pixel signal from the second capacitor, and generates difference between the reset signal and the pixel signal, wherein the pixel is configured to store the pixel signal to the second capacitor after the reset signal is stored to the first capacitor.


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