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:
Oct. 22, 2019

Filed:

Apr. 14, 2016
Applicants:

Boe Technology Group Co., Ltd., Beijing, CN;

Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;

Inventors:

Jinbo Ding, Beijing, CN;

Ying Zhang, Beijing, CN;

Xin Li, Beijing, CN;

Dawei Li, Beijing, CN;

Changjiang Wang, Beijing, CN;

Xuchen Yuan, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G09G 3/00 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/2092 (2013.01); G09G 3/006 (2013.01); G09G 3/3648 (2013.01); G09G 2320/0673 (2013.01); G09G 2320/0686 (2013.01);
Abstract

A regulating method and a regulating apparatus for a driving voltage of a display module, wherein the method comprises: applying, to the display module, a gamma voltage pair corresponding to a grayscale to be tested, selecting a test image and maintaining the test image for a predetermined time duration (); switching to a predetermined grayscale image that matches the grayscale to be tested, regulating a common voltage of the display module, and recording a direction and a magnitude of regulation of the common voltage (); and restoring the common voltage to a magnitude before the regulation, and regulating the first gamma voltage and the second gamma voltage according to the recorded direction and magnitude of regulation of the common voltage (). Regulation accuracy of the driving voltage can be improved, workload for debugging can be reduced and work efficiency can be improved.


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