Title:
CONTROL METHOD AND TOUCH DISPLAY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/205510
Kind Code:
A1
Abstract:
A control method and a touch display system. The control method comprises: dividing a frame into a plurality of sub-frames, each sub-frame comprising a display period and a touch period (S11); performing display scanning on a touch display device during the display period to display a picture (S12); performing touch scanning on the touch display device during the touch period to obtain a touch sensing signal (S13); and obtaining touch sensing data according to the touch sensing signal and detecting a touch according to the touch sensing data (S14). The performing touch scanning on the touch display device comprises: if no touch is detected within a preset period of time, entering a first mode, short-circuiting a plurality of touch sensing channels in the first mode, and scanning one of the plurality of touch sensing channels during the touch period of one of the plurality of sub-frames; and if a touch is detected within the preset period of time, entering a second mode, and scanning the plurality of touch sensing channels respectively during the touch periods of the plurality of sub-frames in the second mode.
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Inventors:
FENG PENGFEI (CN)
Application Number:
PCT/CN2018/110573
Publication Date:
October 31, 2019
Filing Date:
October 17, 2018
Export Citation:
Assignee:
CHIPONE TECHNOLOGY BEIJING CO LTD (CN)
International Classes:
G06F3/041; G06F3/044
Foreign References:
| CN108664163A | 2018-10-16 | |||
| CN105278729A | 2016-01-27 | |||
| CN105739757A | 2016-07-06 | |||
| CN107272965A | 2017-10-20 | |||
| CN107390934A | 2017-11-24 |
Attorney, Agent or Firm:
TOWIN INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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