公开(公告)号：US20180341354A1

公开(公告)日：2018-11-29

申请号：US15702792

申请日：2017-09-13

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

Inventor： Hao GUO ,  Jine LIU ,  Xiangjian KONG ,  Min ZHANG

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1335

Abstract: A touch display panel includes: a base substrate provided with multiple gate lines and data lines which are insulated from and intersecting with each other to define multiple sub-pixels; a common electrode layer, formed by multiple self-capacitance electrodes arranged in an M*N array; a drive integrated circuit; and multiple touch detection signal lines; at least three adjacent columns of sub-pixels constitute a pixel column, each column of sub-pixels is parallel to an extending direction of the data line; the touch detection signal line is located between two adjacent columns of sub-pixels, the multiple touch detection signal lines connects the self-capacitance electrode with the drive integrated circuit, at least part of two adjacent pixel columns is not provided with the touch detection signal line therebetween; the drive integrated circuit provides common signal or touch detection signal to the touch detection signal line in display stage or touch stage, respectively.

公开(公告)号：US20180341353A1

公开(公告)日：2018-11-29

申请号：US15701927

申请日：2017-09-12

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

Inventor： Min ZHANG ,  Hao GUO ,  Kaihong HUANG

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1343

CPC classification number: G06F3/0412 ,  G02F1/133345 ,  G02F1/13338 ,  G02F1/1343 ,  G06F3/0416 ,  G06F3/044

Abstract: A touch display panel, including a first substrate; a plurality of pixel units on first substrate and arranged in array; a touch electrode layer on first substrate, including a plurality of touch electrodes arranged in array and insulated from each other, a touch signal line layer, including a plurality of touch signal lines; a control circuit for providing touch signal to touch electrode, each touch signal line electrically connecting one touch electrode with control circuit, and each touch electrode electrically connected with at least one touch signal line; an insulation layer between touch electrode layer and touch signal line layer, including a plurality of through holes, touch electrodes electrically connected with touch signal lines via through holes; wherein distribution density of through hole is not more than 0.1 and defined as: ratio of the number of through hole to the number of pixel unit covered by one touch electrode.