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:
Jan. 02, 2024

Filed:

Dec. 23, 2022
Applicant:

Sharp Nec Display Solutions, Ltd., Tokyo, JP;

Inventor:

Katsuyuki Matsui, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/36 (2013.01); G09G 2320/0242 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/0252 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/043 (2013.01); G09G 2320/0626 (2013.01); G09G 2354/00 (2013.01); G09G 2360/16 (2013.01);
Abstract

A display data processing device performs color adjustment on gradation values of pixels of a frame image of an input video signal and outputs the adjusted gradation values to a display device. The device includes a first gamma correction unit configured to set the gradation value as the first input gradation value and to convert the first input gradation value into the first corrected gradation value. The device includes a video gain correction unit configured to perform color adjustment on the first corrected gradation value according to video gain correction and to output the result as a video gain corrected gradation value. The device includes a second gamma correction unit configured to set the video gain corrected gradation value as the second input gradation value and to convert the second input gradation value into the second corrected gradation value.


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