公开(公告)号：US20210132767A1

公开(公告)日：2021-05-06

申请号：US16721139

申请日：2019-12-19

Applicant: Xiamen Tianma Micro-Electronics Co.,Ltd.

Inventor： Ting WANG ,  Hongbo ZHOU ,  Huangyao WU ,  Xiufeng ZHOU

IPC: G06F3/041 ,  H01L27/12 ,  G06F3/044

Abstract: A display panel, a driving method and a touch display device are provided. The display panel includes a display area and a non-display area. The display panel also includes a base substrate, a plurality of sub-pixels located in the display area and arranged in a first direction and a second direction, a plurality of electrode rows extending in the first direction and arranged in the second direction, a plurality of electrode columns arranged in the first direction and extending in the second direction, a plurality of switch units located in the display area, a plurality of first signal lines, a plurality of second signal lines, and a plurality of first driving circuits. In a touch stage, the first driving circuits supply a driving signal to the second signal lines, and the first signal lines transmit a touch detection signal to first electrodes in the electrode rows and columns.