公开(公告)号：US11644725B2

公开(公告)日：2023-05-09

申请号：US17520143

申请日：2021-11-05

Applicant: LG DISPLAY CO., LTD.

Inventor： SeongKyu Kang ,  SungChul Kim ,  HoonBae Kim ,  SunYeop Kim

IPC: G09G3/34 ,  G02F1/1362 ,  G09G3/36

CPC classification number: G02F1/136286 ,  G09G3/3688 ,  G02F2201/121 ,  G02F2201/123

Abstract: A display device includes a plurality of gate lines; a plurality of data lines; a plurality of pixel electrodes electrically connected with the plurality of data lines; a plurality of common electrodes corresponding to two or more pixel electrodes among the plurality of pixel electrodes; a data driving circuit outputting data voltages to the plurality of data lines; and a driving circuit outputting a first driving signal with a first voltage level to at least one common electrode among the plurality of common electrodes during a first driving period and a second driving signal with a second voltage level and a third voltage level to the at least one common electrode during a second driving period, the second driving signal being a pulse signal, wherein the second voltage level and the third voltage level differ from the first voltage level.

公开(公告)号：US11194201B2

公开(公告)日：2021-12-07

申请号：US15931401

申请日：2020-05-13

Applicant: LG Display Co., Ltd.

Inventor： SeongKyu Kang ,  SungChul Kim ,  HoonBae Kim ,  SunYeop Kim

IPC: G06F3/038 ,  G09G5/00 ,  G02F1/1362 ,  G09G3/36

Abstract: A display device includes a plurality of gate lines; a plurality of data lines; a plurality of pixel electrodes electrically connected with the plurality of data lines; a plurality of common electrodes corresponding to two or more pixel electrodes among the plurality of pixel electrodes; a data driving circuit outputting data voltages to the plurality of data lines; and a driving circuit outputting a first driving signal with a first voltage level to at least one common electrode among the plurality of common electrodes during a first driving period and a second driving signal with a second voltage level and a third voltage level to the at least one common electrode during a second driving period, the second driving signal being a pulse signal, wherein the second voltage level and the third voltage level differ from the first voltage level.