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:
Mar. 17, 2020

Filed:

Dec. 12, 2017
Applicant:

Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Shenzhen, Guangdong, CN;

Inventors:

Yufan Deng, Guangdong, CN;

Shen-Sian Syu, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3225 (2016.01); G09G 3/3208 (2016.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3225 (2013.01); G09G 3/2007 (2013.01); G09G 3/3208 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0271 (2013.01); G09G 2320/0285 (2013.01); G09G 2320/043 (2013.01); G09G 2320/045 (2013.01); G09G 2320/048 (2013.01); G09G 2320/0626 (2013.01); G09G 2330/12 (2013.01);
Abstract

A method and a device for compensating brightness of an AMOLED display panel are provided. The method is simple, and the device is simple in structure and is easy to operate. By performing an aging experiment on the display panel in advance, an attenuation law that the brightness of sub-pixels varies with time and gray levels is obtained, and a compensation data is computed and a dynamic compensation table is generated. A correcting module corrects the inputted original gray levels based on the dynamic compensation table and the brightness of sub-pixels are compensated such that the display panel can display images normally.


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