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. 21, 2017

Filed:

Oct. 08, 2015
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventor:

Jooyoung An, Pyeongtaek-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/342 (2013.01); G09G 3/3406 (2013.01); G09G 3/3413 (2013.01); G09G 3/3426 (2013.01); G09G 2320/0646 (2013.01); G09G 2320/0686 (2013.01); G09G 2330/021 (2013.01); G09G 2360/16 (2013.01);
Abstract

A backlight dimming method and a liquid crystal display using the same are disclosed. The backlight dimming method includes producing a first backlight dimming value controlling a backlight luminance of a liquid crystal display panel, producing a convex gain which has less value in a peripheral part of a screen of the liquid crystal display panel than a central part of the screen, reducing the first backlight dimming value to be applied to the peripheral part of the screen using the convex gain to produce a second backlight dimming value, and controlling the backlight luminance of the liquid crystal display panel using the second backlight dimming value.


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