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:
Aug. 14, 2018

Filed:

May. 11, 2016
Applicant:

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

Inventors:

Shengbao Dun, Beijing, CN;

Zhongbao Wu, Beijing, CN;

Li Sun, Beijing, CN;

Hangman Lai, Beijing, CN;

Yan Wei, Beijing, CN;

Zhiying Zhang, Beijing, CN;

Weili Zhao, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/14 (2006.01); G01J 1/42 (2006.01); G02B 27/22 (2018.01); G09G 3/00 (2006.01); H04N 13/04 (2006.01); G01J 3/50 (2006.01);
U.S. Cl.
CPC ...
G01B 11/14 (2013.01); G01J 1/42 (2013.01); G01J 3/506 (2013.01); G02B 27/2228 (2013.01); G09G 3/006 (2013.01); H04N 13/0425 (2013.01);
Abstract

A measuring method and a measuring system are used for measuring contrast of a display device, including controlling the display device to display a first image, measuring brightness of a central area of the first image, controlling display device to display a second image, measuring brightness of a central area of the second image, and determining the contrast. Both the first image and the second image have a plurality of areas with different gray scales, the first image includes a maximum gray scale area, and the second image includes a minimum gray scale area.


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