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:
Apr. 30, 2019
Filed:
Sep. 26, 2017
Applicant:
Samsung Display Co., Ltd., Yongin-Si, Gyeonggi-Do, KR;
Inventors:
Assignee:
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/042 (2006.01); G06F 3/041 (2006.01); H01L 27/144 (2006.01);
U.S. Cl.
CPC ...
G06F 3/042 (2013.01); G06F 3/0412 (2013.01); H01L 27/1443 (2013.01);
Abstract
A photo sensor pixel includes a pixel circuit including a driving transistor, a switching transistor having a double gate structure and a photo sensing transistor connected in series with the switching transistor. The pixel circuit drives a light emitting element therein based on a data voltage provided thereto through a data line, the switching transistor includes a top gate electrode and a bottom gate electrode, which are connected to different gate lines, respectively, and the photo sensing transistor senses incident light.