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1. (WO2017059738) TOUCH DETECTION METHOD AND DEVICE FOR TOUCH DISPLAY SCREEN

Pub. No.:    WO/2017/059738    International Application No.:    PCT/CN2016/095842
Publication Date: Fri Apr 14 01:59:59 CEST 2017 International Filing Date: Fri Aug 19 01:59:59 CEST 2016
IPC: G06F 3/044
Applicants: BOE TECHNOLOGY GROUP CO., LTD.
京东方科技集团股份有限公司
CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
重庆京东方光电科技有限公司
Inventors: XU, Bo
徐波
HOU, Shuai
侯帅
WANG, Wu
王武
GAO, Xianyong
高贤永
LIANG, Lisheng
梁利生
FU, Siqing
伏思庆
HSU, Yihjen
许益祯
SHANG, Fei
尚飞
QIU, Haijun
邱海军
Title: TOUCH DETECTION METHOD AND DEVICE FOR TOUCH DISPLAY SCREEN
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.