公开(公告)号：US20190229530A1

公开(公告)日：2019-07-25

申请号：US15579469

申请日：2017-11-30

Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.

Inventor： Pinquan XU ,  Yuanfu LIU

IPC: H02H9/04 ,  H01L27/02

Abstract: An electrostatic protection circuit of a display panel includes a first P-type thin film transistor having a gate connected to a high potential electrostatic output line and a drain connected to a high potential electrostatic output line, a second P-type thin film transistor having a gate connected to a high potential electrostatic output line and a drain connected to a source of the first P-type thin film transistor, and a source connected to the electrostatic signal input line; a first N-type thin film transistor having a gate connected to the low potential electrostatic output line, and a drain connected to the low potential electrostatic output line; a second N-type thin film transistor having a gate connected to the low potential electrostatic output line and a drain connected to the source of the first N-type thin film transistor, and a source connected to the electrostatic signal input line.