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:
Feb. 15, 2022

Filed:

Dec. 07, 2018
Applicant:

Hkc Corporation Limited, Shenzhen, CN;

Inventor:

Chia-Hang Lee, Chongqing, CN;

Assignee:

HKC CORPORATION LIMITED, Shenzhen, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01); G06F 17/18 (2006.01);
U.S. Cl.
CPC ...
G09G 5/10 (2013.01); G06F 17/18 (2013.01); G09G 2320/0646 (2013.01); G09G 2320/0673 (2013.01);
Abstract

A luminance correction method and correction device for a display panel are disclosed. The luminance correction method for a display panel includes the following steps: collecting full-picture optical information; calculating, according to the full-picture optical information of a high-gray level picture and the full-picture optical information of a low-gray level picture, target optical luminance values corresponding to medium-gray level pictures; and comparing the full-picture optical information of the medium-gray level pictures with a target optical luminance value corresponding to a current medium-gray level picture, and obtaining a gray level correction matrix corresponding to a current gray level.


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