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.

Date of Patent:
Dec. 26, 2023

Filed:

Nov. 16, 2022
Applicant:

Yungu (Gu'an) Technology Co., Ltd., Hebei, CN;

Inventors:

Ling Wang, Langfang, CN;

Cuili Gai, Langfang, CN;

Lei Mi, Langfang, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/2092 (2013.01); G09G 2310/027 (2013.01); G09G 2310/0278 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0257 (2013.01);
Abstract

A method for driving a pixel circuit. The pixel circuit includes a drive transistor. The method includes: acquiring a theoretical threshold voltage of the drive transistor and actual threshold voltages of the drive transistor at a plurality of different gray levels; determining compensation data voltages of the drive transistor at the plurality of different gray levels according to the theoretical threshold voltage of the drive transistor and the actual threshold voltages of the drive transistor at the plurality of different gray levels; and driving the pixel circuit emit light according to the compensation data voltages of the drive transistor at the plurality of different gray levels.


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