公开(公告)号：US20210064212A1

公开(公告)日：2021-03-04

申请号：US16713610

申请日：2019-12-13

Applicant: Shanghai AVIC OPTO Electronics Co.,Ltd.

Inventor： Chunyang HUANG ,  Yong FAN ,  Jiacheng ZHONG ,  Yu HUANG ,  Songlin FENG

IPC: G06F3/041 ,  G06F3/044

Abstract: The present disclosure provides a touch display panel, a touch display device, and a touch detection method. The touch display panel includes a base substrate, touch driving electrodes, insulated from each other and arranged in an array on the base substrate, and touch sensing electrodes, insulated from each other and surrounding each of the touch driving electrodes, that the touch driving electrodes are disposed in a same layer as the touch sensing electrodes; and an integrated circuit, that the touch driving electrodes and the touch sensing electrodes are electrically connected to the integrated circuit, the integrated circuit sends touch driving signals to the touch driving electrodes to perform a touch scan, and the integrated circuit receives sensing signal change quantities of the touch sensing electrodes surrounding a same one of the touch driving electrodes, to determine a touch position.

公开(公告)号：US20210064162A1

公开(公告)日：2021-03-04

申请号：US16702992

申请日：2019-12-04

Applicant: Shanghai AVIC OPTO Electronics Co.,Ltd.

Inventor： Guihua YIN ,  Songlin FENG ,  Huanhua ZHI ,  Huihui XIE ,  Qingpeng LIAO

IPC: G06F3/044 ,  H01L27/12

Abstract: Touch display panel, operating method, and a touch display device are provided. The touch display panel includes a base substrate, a plurality of electrode blocks arranged in an array on the base substrate, a first driving unit including a plurality of first pins, a plurality of switch transistors, and a second driving unit including at least a plurality of first sub-pins and a plurality of second sub-pins. Each electrode block is electrically connected to the first driving unit through at least one touch signal line; a drain of at least one first switch transistor is electrically connected to the same first sub-pin through a same first lead; and a drain of at least one second switch transistor is electrically connected to the same second sub-pin through a same second lead.