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:
Sep. 26, 2017

Filed:

Apr. 14, 2015
Applicant:

Japan Display Inc., Tokyo, JP;

Inventors:

Tae Kurokawa, Tokyo, JP;

Akira Sakaigawa, Tokyo, JP;

Masaaki Kabe, Tokyo, JP;

Kojiro Ikeda, Tokyo, JP;

Fumitaka Gotoh, Tokyo, JP;

Amane Higashi, Tokyo, JP;

Toshiyuki Nagatsuma, Tokyo, JP;

Assignee:

Japan Display Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/02 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 5/02 (2013.01); G09G 3/3611 (2013.01); G09G 2340/0457 (2013.01); G09G 2340/06 (2013.01);
Abstract

A display device includes: an image display panel including a plurality of pixels each including first to fourth sub-pixels; and a signal processing unit. The signal processing unit determines an expansion coefficient related to the image display panel, obtains output signals of the first to the third sub-pixels based on at least input signals of the first to the third sub-pixels and the expansion coefficient to be output to the first to the third sub-pixels respectively, obtains a fourth sub-pixel correction value as a correction value of an output signal of the fourth sub-pixel based on the input signals of the first to the third sub-pixels and the expansion coefficient, and obtains the output signal of the fourth sub-pixel based on the input signals of the first to third sub-pixels, the expansion coefficient, and the fourth sub-pixel correction value to be output to the fourth sub-pixel.


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