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:
Aug. 06, 2024
Filed:
Jun. 30, 2021
Applicant:
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Shenzhen, CN;
Inventor:
Bin Liu, Shenzhen, CN;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3233 (2016.01); H01L 25/16 (2023.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); H01L 25/167 (2013.01); H01L 27/1255 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0852 (2013.01); G09G 2310/08 (2013.01);
Abstract
A pixel driving circuit, a pixel driving method and a display device are proposed. In a threshold detecting phase, a threshold voltage of a first TFT is detected. In a data write-in phase, data voltage is written into the first node to alleviate the coupling effect of the voltage variation of the first node on the third node such that the voltage of the third node could be stabilized. In a light emitting phase, the first capacitor and the light emitting diode work together to compensate for the threshold voltage, IR drop in the signal and the unevenness of the LEDs.