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Dual-Function Active Matrix Sensor Array

  • US 20170172489A1
  • Filed: 12/22/2015
  • Published: 06/22/2017
  • Est. Priority Date: 12/22/2015
  • Status: Active Grant
First Claim
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1. A dual-function active matrix sensor array comprising:

  • a substrate with a top surface;

    a plurality of sensing elements (sensels) formed in an array overlying the substrate top surface, each sensel comprising;

    a thin-film transistor (TFT) having a channel resistance or source-to-drain resistance (RDS) responsive to a first environmental condition;

    a passive element having an AC impedance responsive to a second environmental condition, different than the first environment condition; and

    ,a measurement device selectively connectable to each sensel in the array to simultaneously determine first environmental condition measurements and second environmental condition measurements.

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