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Light sensor beneath a dual-mode display

  • US 9,767,728 B2
  • Filed: 10/27/2016
  • Issued: 09/19/2017
  • Est. Priority Date: 10/30/2015
  • Status: Expired due to Fees
First Claim
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1. A system comprising:

  • a dual-mode display operable in an opaque mode when displaying opaque portions of a display image, the dual-mode display operable in a transparent mode when not displaying the display image, the dual-mode display comprising a substantially transparent cathode layer, a plurality of organic light emitting diodes, and a substantially transparent anode layer;

    a selectively addressable region associated with the dual-mode display, the selectively addressable region disposed above a camera, the selectively addressable region operable to be transparent when remainder of the dual-mode display is in the opaque mode, and when the selectively addressable region is transparent, the selectively addressable region to allow light to enter the camera, and to allow light to exit the camera;

    a first set of electrodes to activate and to deactivate the dual-mode display except the selectively addressable region;

    a second set of electrodes to activate and to deactivate the selectively addressable region; and

    a display controller to send a first signal and a second signal to the selectively addressable region, the first signal to turn the selectively addressable region transparent, and the second signal to turn the selectively addressable region opaque.

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