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:
May. 10, 2022
Filed:
Dec. 16, 2019
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Hyeon-June Kim, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/3745 (2011.01); H01L 27/146 (2006.01); H04N 5/378 (2011.01); H04N 5/374 (2011.01); H04N 5/361 (2011.01); H04N 5/357 (2011.01); H04N 5/369 (2011.01);
U.S. Cl.
CPC ...
H04N 5/37455 (2013.01); H01L 27/14643 (2013.01); H04N 5/378 (2013.01);
Abstract
A comparator is provided to comprise a comparison circuit including a first transistor configured to receive a ramp signal and a second transistor configured to receive a pixel signal, the comparison circuit configured to compare the ramp signal and the pixel signal and output a comparison signal at an output node, and an output swing control circuit including a third transistor coupled to the first transistor and the second transistor, and the output swing control circuit including a current path to decrease an amount of current flowing through the second transistor.