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:
Oct. 03, 2017

Filed:

Mar. 18, 2016
Applicant:

Chunghwa Picture Tubes, Ltd., Taoyuan, TW;

Inventors:

Hsiang-Tan Lin, Keelung, TW;

Pei-Lin Hsieh, Taoyuan, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/2003 (2013.01); G09G 2320/0673 (2013.01); G09G 2340/06 (2013.01);
Abstract

A display device and a method of driving a display panel. The display device includes a color calculating unit, a color data converting unit, a display and a panel driving unit. The color calculating unit supplies a first, a second, a third, and a fourth color data to the color data converting unit according to an image data. The color data converting unit outputs a first, a second, a third, and a fourth display data to the panel driving unit. A panel driving unit outputs a first, a second, and a third pixel voltages according to a first gamma curve to drive a first, a second, and a third color pixels of the display panel, and outputs a fourth pixel voltage according to a second gamma curve to drive a fourth color pixel of the display panel, wherein the first gamma curve is different from the second gamma curve.


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