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. 05, 2015

Filed:

Nov. 22, 2010
Applicants:

Hiroko Sehata, Sapporo, JP;

Hajime Akimoto, Kokubunji, JP;

Yoshihiro Kotani, Chiba, JP;

Gou Yamamoto, Mobara, JP;

Inventors:

Hiroko Sehata, Sapporo, JP;

Hajime Akimoto, Kokubunji, JP;

Yoshihiro Kotani, Chiba, JP;

Gou Yamamoto, Mobara, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2006.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/2092 (2013.01); G09G 3/2007 (2013.01); G09G 3/3208 (2013.01); G09G 2310/0275 (2013.01); G09G 2310/0297 (2013.01); G09G 2330/028 (2013.01);
Abstract

Provided is a display device having plural data line voltage generation circuits capable of supplying a display control voltage to display elements of a color designated as necessary. The display device includes plural display elements each displaying an image of one color; plural gradation voltage output units provided for each color to output a gradation voltage corresponding to each display gradation value of a gradation number; plural display control voltage supply units connected to each of two or more display elements to supply control voltages corresponding to display data of the display elements to each of the display elements based on the gradation voltages of the gradation number output by any one of the gradation voltage output units; and plural gradation voltage selection units provided to one or each display control voltage supply unit to select the gradation voltage output by any one of the gradation voltage output units.


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