Patent · US Active

Compensation method and compensation device for display module

US10553181B2 · kind B2 · utility

0Cited by

2References

10Claims

0Family size

Assignees

Inventors

Zhenhua Luo · Beijing, CN
Hao Wu · Beijing, CN
Xuzhong Liu · Beijing, CN
Na An · Beijing, CN
Xiao Ma · Beijing, CN
Zongwei Luo · Beijing, CN
Gang Ci · Beijing, CN
Baolei Guo · Beijing, CN
Bin Xu · Ningbo City, CN
Shaopeng Xu · Beijing, CN
Qingzhu Guan · Beijing, CN
Zheng Zhang · Beijing, CN
Xinfeng Gong · Beijing, CN

Key dates

Filing date	May 15, 2018
Grant date	Feb 4, 2020
Priority date	—
Expiry date	May 15, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG09G2360/145
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The disclosure discloses a compensation method for a display module including: using a first group of program code to make the display module display a first greyscale value; acquiring a screen image to determine a normal display area and a poor display area; changing an output voltage for the poor display area, and recording a compensated output voltage that makes the luminance of the poor display area identical with that of the normal display area; and writing program code corresponding to the compensated output voltage into the first group of program code. The disclosure also discloses a compensation device for a display module.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.