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:
Nov. 18, 2014

Filed:

Aug. 02, 2010
Applicants:

Kyungjoon Kwon, Seoul, KR;

Injae Chung, Gyeonggi-do, KR;

Euiyeol OH, Seoul, KR;

Inventors:

Kyungjoon Kwon, Seoul, KR;

Injae Chung, Gyeonggi-do, KR;

Euiyeol Oh, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01); G09G 3/34 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/342 (2013.01); G09G 3/3648 (2013.01); G09G 2320/0646 (2013.01);
Abstract

A liquid crystal display includes a display panel, a backlight unit providing light to the display panel, a representative value adjusting unit that divides an input image in conformity with a plurality of blocks divided from the display panel and a light emitting surface of the backlight unit, selectively adjusts a representative value of each block based on a luminance difference between the blocks and a grayscale banding degree of each block, and generates a modified representative value of each block, a dimming value determining unit that maps the modified representative value of each block to a predetermined dimming curve and selects a dimming value of each block, and a light source driver for driving light sources of the backlight unit based on the dimming value of each block.


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