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Touchscreen with biosensor

  • US 11,307,720 B2
  • Filed: 12/28/2019
  • Issued: 04/19/2022
  • Est. Priority Date: 09/27/2019
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • a touchscreen, wherein the touchscreen includes;

    drive lines;

    sense lines;

    one or more biosensing areas; and

    a photoconductive material in the one or more biosensing area, wherein the photoconductive material includes graphene and at least a portion of the drive lines and the sense lines are embedded in the photoconductive material;

    a touchscreen engine, wherein when a touchscreen mode is activated, the touchscreen engine is configured to couple with the sense lines and determine a place on the touchscreen where a user touched the touchscreen with a finger; and

    a biosensor engine, wherein when a biosensing mode is activated, the biosensor engine is configured to determine biometrics of the user when the user touches at least one of the one or more biosensing areas.

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