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. 12, 2020

Filed:

Oct. 22, 2018
Applicant:

Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Sangan Kwon, Cheonan-si, KR;

Junpyo Lee, Asan-si, KR;

Kyunho Kim, Hwaseong-si, KR;

Sungjin Kim, Gwangju, KR;

Yong-jin Shin, Asan-si, KR;

Neung-beom Lee, Hwaseong-si, KR;

Kyung-hwa Lim, Yongin-si, KR;

Myungbo Sim, Yesan-gun, KR;

Jinhyuk Jang, Hwaseong-si, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3696 (2013.01); G02F 1/133514 (2013.01); G09G 3/3614 (2013.01); G09G 3/3648 (2013.01); G09G 3/3655 (2013.01); G02F 2201/121 (2013.01); G02F 2201/123 (2013.01); G09G 2310/0264 (2013.01); G09G 2320/0257 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/0673 (2013.01); G09G 2320/103 (2013.01); G09G 2360/16 (2013.01);
Abstract

A display device includes: a display panel comprising a display area configured to display an image, wherein the display area includes a measurement area including a plurality of sub-measurement areas, and each of the plurality of sub-measurement areas includes a plurality of pre-map areas; a data driver configured to provide data voltages to the display panel; a signal controller; and a common voltage generator configured to provide a common voltage to the display panel, wherein an afterimage reduction mode is driven to change a level of the common voltage provided by the common voltage generator when the determined pre-map areas are adjacent to each other.


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