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. 08, 2022

Filed:

May. 14, 2020
Applicant:

Tcl China Star Optoelectronics Technology Co., Ltd, Guangdong, CN;

Inventor:

Guangxing Xiao, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/00 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/006 (2013.01); G09G 3/3648 (2013.01);
Abstract

The present invention provides a test method and a device of data mischarging of a display panel. The test method includes: a personal computer (PC) controlling a pixel group to output a screen with a solid color; controlling a charging time of a master device to be constant and adjusting a charging time of a timing controller; determining whether a measurement data of an optical test instrument is greater than a first threshold and detecting whether an obvious boundary appears in a middle of the display panel, and determining a mischarging time if so.


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