Title:
TOUCH DETECTION METHOD AND DEVICE FOR TOUCH DISPLAY SCREEN
Document Type and Number:
WIPO Patent Application WO/2017/059738
Kind Code:
A1
Abstract:
A touch detection method and device for a touch display screen, wherein a scanning time for the touch display screen in each frame comprises a display scanning stage and a touch scanning stage. The method comprises: scanning a portion of the touch display screen in the touch scanning stage to detect whether a touch signal exists (101); and when the touch signal is detected, reducing a frame rate of the touch display screen and scanning the entire touch display screen (102). Thus, display and touch detection function multiplexing is realized, and at the same time a charging time for a panel is guaranteed.
Inventors:
XU BO (CN)
HOU SHUAI (CN)
WANG WU (CN)
GAO XIANYONG (CN)
LIANG LISHENG (CN)
FU SIQING (CN)
HSU YIHJEN (CN)
SHANG FEI (CN)
QIU HAIJUN (CN)
HOU SHUAI (CN)
WANG WU (CN)
GAO XIANYONG (CN)
LIANG LISHENG (CN)
FU SIQING (CN)
HSU YIHJEN (CN)
SHANG FEI (CN)
QIU HAIJUN (CN)
Application Number:
PCT/CN2016/095842
Publication Date:
April 13, 2017
Filing Date:
August 18, 2016
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
CHONGQING BOE OPTOELECTRONICS TECH CO LTD (CN)
CHONGQING BOE OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
G06F3/044
Foreign References:
| CN105204703A | 2015-12-30 | |||
| CN104360781A | 2015-02-18 | |||
| CN101903857A | 2010-12-01 | |||
| CN103558941A | 2014-02-05 | |||
| US20130293484A1 | 2013-11-07 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
Download PDF: