公开(公告)号：US20190122630A1

公开(公告)日：2019-04-25

申请号：US16166915

申请日：2018-10-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sangan KWON ,  Junpyo LEE ,  Kyunho KIM ,  Sungjin KIM ,  Yong-jin SHIN ,  Neung-beom LEE ,  Kyung-hwa LIM ,  Myungbo SIM ,  Jinhyuk JANG

IPC: G09G3/36 ,  G02F1/1335

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.