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:
Nov. 10, 2015

Filed:

Aug. 07, 2012
Applicants:

Jae-won Jeong, Seoul, KR;

Kwan-young OH, Seoul, KR;

Po-yun Park, Seoul, KR;

Jung Hwan Cho, Asan-si, KR;

Inventors:

Jae-Won Jeong, Seoul, KR;

Kwan-Young Oh, Seoul, KR;

Po-Yun Park, Seoul, KR;

Jung Hwan Cho, Asan-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3648 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/103 (2013.01); G09G 2330/021 (2013.01); G09G 2340/0435 (2013.01); G09G 2360/18 (2013.01);
Abstract

A display device capable of reducing power consumption and preventing luminance changes, and a driving method thereof are provided. The display device includes: a display panel displaying a still image and a motion picture; a signal controller controlling signals for driving the display panel; a graphic processing unit transmitting input image data to the signal controller; a light source unit irradiating the display panel with light; and a light source driver controlling signals for driving the light source unit, in which the signal controller includes a frame memory storing the input image data and controls the display panel so as to be driven at a first frequency or a second frequency, and the light source driver drives the light source unit at a first ratio when the display panel is driven at the first frequency and at a second ratio when the display panel is driven at the second frequency.


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