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:
Mar. 21, 2023
Filed:
Jul. 19, 2022
Applicant:
Everdisplay Optronics (Shanghai) Co.,ltd., Shanghai, CN;
Assignee:
Everdisplay Optronics (Shanghai) Co., Ltd, Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3233 (2016.01); G09G 3/3291 (2016.01); G09G 3/3266 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); G09G 3/3266 (2013.01); G09G 3/3291 (2013.01); G09G 2320/0233 (2013.01); G09G 2330/028 (2013.01);
Abstract
The present disclosure provides a pixel circuit and a driving method thereof, and an organic light emitting display apparatus. The pixel circuit includes: first to ninth transistors, a storage capacitor and a light emitting diode. Tis used as a driving transistor, Tis used as a switching transistor, T, Tand Tform a threshold voltage sampling unit of T, and T, Tand Tform a compensation unit, and the compensation unit is used for compensating the IR Drop generated by a power supply voltage on a line.