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. 12, 2021

Filed:

Jul. 03, 2019
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Wonsik Jeon, Daegu, KR;

Jongsik Ham, Gwangmyeong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3275 (2016.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3275 (2013.01); G09G 3/2011 (2013.01); G09G 3/2074 (2013.01); G09G 2310/027 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/0291 (2013.01); G09G 2320/041 (2013.01); G09G 2320/0673 (2013.01); G09G 2330/021 (2013.01);
Abstract

Disclosed are an organic light-emitting diode-based display device and a method for controlling the device. The device may include an organic light-emitting diode-based display panel; and a data driver configured for: dividing a reference gamma voltage into a first gamma voltage corresponding to a high gray level and a second gamma voltage corresponding to a low gray level; selecting one between the first and second gamma voltage based on a gray level of video data; and supplying the selected one through a corresponding output stage among dual output stages, wherein the dual output stages respectively correspond to the first and second gamma voltages.


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