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Multifunctional pixel and display

  • US 9,606,606 B2
  • Filed: 12/20/2013
  • Issued: 03/28/2017
  • Est. Priority Date: 06/03/2013
  • Status: Active Grant
First Claim
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1. A display array comprising:

  • a plurality of multifunctional pixels, each multifunctional pixel including;

    a plurality of red sub-pixels, a plurality of green sub-pixels, and a plurality of blue sub-pixels;

    a receiver bias electrode; and

    at least one sensor selected from the following sensor types;

    an ultrasonic sensor, an infrared sensor, a photoelectric sensor, and a capacitive sensor;

    whereinthe at least one sensor includes a piezoelectric layer;

    the receiver bias electrode controls a bias level of the piezoelectric layer;

    a blue display area allocated to the plurality of blue sub-pixels is smaller than one or both of a red display area allocated to the plurality of red sub-pixels and a green display area allocated to the plurality of green sub-pixels; and

    in at least some of the plurality of multifunctional pixels, at least one sensor replaces at least one of the blue sub-pixels.

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