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:
May. 08, 2018

Filed:

Sep. 04, 2014
Applicant:

Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;

Inventor:

Masafumi Yashiki, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 5/02 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3413 (2013.01); G09G 3/3426 (2013.01); G09G 3/3674 (2013.01); G09G 3/3685 (2013.01); G09G 5/026 (2013.01); G09G 2300/0452 (2013.01); G09G 2310/0235 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0242 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/0261 (2013.01); G09G 2320/0266 (2013.01); G09G 2320/0646 (2013.01); G09G 2330/021 (2013.01); G09G 2330/023 (2013.01); G09G 2340/0435 (2013.01);
Abstract

A field sequential processing unitincludes a representative value calculating unitconfigured to obtain a representative value for each pixel based on video data Ri, Gi, and Bi, a backlight data generating unitconfigured to generate backlight data Xb indicating brightness of LEDsin each area of the backlightbased on the obtained representative value, a video data correcting unitconfigured to correct the video data Ri, Gi, and Bi based on the backlight data Xb, and a field data generating unitconfigured to generate four pieces of field data Wf, Rf, Gf, and Bf based on the corrected video data Rc, Gc, Bc. By generating the backlight data based on the representative value for each pixel, it is possible to reduce a size of a circuit for obtaining brightness of the backlight for each area.


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