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    Touch sensing utilizing integrated micro circuitry
    28.
    发明授权
    Touch sensing utilizing integrated micro circuitry 有权

    公开(公告)号：US11073927B2

    公开(公告)日：2021-07-27

    申请号：US16517513

    申请日：2019-07-19

    Applicant: Apple Inc.

    Inventor： Christian M. Sauer ,  Christoph H. Krah ,  Derek K. Shaeffer ,  Hasan Akyol ,  Henry C. Jen ,  Hopil Bae ,  John T. Wetherell ,  Thierry S. Divel ,  Xiang Lu

    IPC: G06F3/041 ,  G06F3/044 ,  G09G3/32 ,  H01L27/15

    Abstract: An integrated touchscreen can include light emitting diodes or organic light emitting diodes (LEDs/OLEDs), display chiplets and touch chiplets disposed in a visible area of the integrated touch screen. For example, the LEDs/OLEDs, display chiplets and touch chiplets can be placed on a substrate by a micro-transfer tool. The integrated touchscreen can also include electrodes disposed in the visible area of the integrated touch screen. The electrodes can be capable of providing display functionality via the one or more display chiplets during display operation (e.g., operating as cathode terminals of the LEDs during the display operation) and capable of providing touch functionality via the touch chiplets during touch operation (e.g., touch node electrodes can be formed from groups of the electrodes and sensed). In some examples, the touch node electrodes can be formed and coupled to touch chiplets via the display chiplets.

    Digital architecture with merged non-linear emission clock signals for a display panel
    30.
    发明授权
    Digital architecture with merged non-linear emission clock signals for a display panel 有权

    公开(公告)号：US10283037B1

    公开(公告)日：2019-05-07

    申请号：US15249283

    申请日：2016-08-26

    Applicant: Apple Inc.

    Inventor： Mohammad B. Vahid Far ,  Hopil Bae ,  Hyunwoo Nho ,  Xiang Lu

    IPC: G09G3/20 ,  G09G3/32 ,  G11C19/00

    Abstract: Systems and apparatuses provide a digital architecture with merged non-linear emission clocks for a display panel. In one embodiment, a display driver hardware circuit includes decoder logic to store a mapping between a plurality of non-linear gray scale clock signals and a merged non-linear gray scale clock signal that represents a combination of the plurality of non-linear gray scale clock signals including first and second non-linear gray scale clock signals. In one example, the first non-linear gray scale clock signal is associated with at least one display element of a first color and the second non-linear gray scale clock signal is associated with at least one display element of a second color. A driver circuitry is coupled to the decoder logic. The driver circuitry includes a counter to store a number of pulses of the merged non-linear gray scale clock signal and driving circuitry to cause emission of the at least one display element of a first color based on the first non-linear gray scale clock signal.

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