Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TOUCH-CONTROL DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2022/057019
Kind Code:
A1
Abstract:
A touch-control display panel, comprising a thin-film transistor substrate, a light-emitting layer, an encapsulation layer, and a touch-control layer. The light-emitting layer comprises a cathode, and the touch-control layer comprises a plurality of touch-control sensing electrodes arranged in the same layer, wherein the plurality of touch-control sensing electrodes are connected to a plurality of touch-control signal lines in one-to-one correspondence; the plurality of touch-control signal lines are connected to a touch-control chip; a coupling capacitance is formed between the touch-control sensing electrodes and the cathode; and the touch-control chip determines, by means of detecting a change in the coupling capacitance, whether there is a touch-control operation.

Inventors:
LI BO (CN)
ZHANG YIMEI (CN)
Application Number:
PCT/CN2020/124767
Publication Date:
March 24, 2022
Filing Date:
October 29, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (CN)
International Classes:
G06F3/041; G06F3/044
Domestic Patent References:
WO2017071543A12017-05-04
Foreign References:
CN111625121A2020-09-04
CN109669572A2019-04-23
CN102654806A2012-09-05
CN108873507A2018-11-23
CN208126362U2018-11-20
US20180261653A12018-09-13
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD. (CN)
Download PDF: