Invention Application
- Patent Title: ELECTRONIC DISPLAY ADAPTIVE TOUCH INTERFERENCE SCHEME SYSTEMS AND METHODS
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Application No.: US16436756Application Date: 2019-06-10
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Publication No.: US20200004378A1Publication Date: 2020-01-02
- Inventor: Anshi Liang , He Yi , Yang Xu , Paolo Sacchetto , Jun Li , Jingyu Huang , Marc Joseph DeVincentis , Yue Jack Chu
- Applicant: Apple Inc.
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044 ; G06F3/046

Abstract:
Display-to-touch noise may be perceptible when a touch image generated during an active period of an electronic display of an electronic device is used to determine a touch indication on the display. The electronic device may include a display pixel layer including a plurality of display pixels that write display images to the display during a display active period and continue displaying the display image during a display blanking period. The electronic device may also include a touch sense layer including a plurality of touch sense pixels that facilitate generation of a first touch image during a first display active period and generation of a second touch image during a first display blanking period. The electronic device may further include a controller coupled to the display pixel layer and the touch sense layer that facilitates the reduction or elimination of display-to-touch interference. In particular, the controller may determine a first noise metric associated with touch images generated during the first display active period and a second noise metric associated with touch images generated during the first display blanking period. Further, the controller may instruct the touch sense layer to not generate touch images during a second display active period in response to the first noise metric being greater than a noise threshold and the second noise metric not being greater than the noise threshold.
Public/Granted literature
- US11740736B2 Electronic display adaptive touch interference scheme systems and methods Public/Granted day:2023-08-29
Information query