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.
Patent No.:
Date of Patent:
Jun. 14, 2022
Filed:
May. 28, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
An image sensor includes a pixel array including a plurality of pixels connected to row lines extending in a first direction and to column lines extending in a second direction intersecting the first direction, a ramp voltage generator configured to output a ramp voltage, a plurality of comparators, each of the plurality of comparators including a first input terminal to which the ramp voltage is input, and a second input terminal connected to one of the column lines, and a replica circuit having a same structure as a structure of a portion of the comparators. Each of the comparators includes a plurality of transistors, a first auto-zero transistor connected to the first input terminal, a second auto-zero transistor connected to the second input terminal, and wirings connected to the plurality of transistors, the first auto-zero transistor, and the second auto-zero transistor.