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Capacitive touch sensor with integral EL backlight

  • US 8,421,755 B2
  • Filed: 01/17/2006
  • Issued: 04/16/2013
  • Est. Priority Date: 01/17/2006
  • Status: Expired due to Fees
First Claim
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1. A personal electronic device comprising:

  • a display;

    a keypad;

    wherein said keypad includes a capacitive touch sensor, an EL panel backlighting the capacitive touch sensor, and a grounded conductive layer in a unitary structure, said layer shielding the capacitive, touch sensor from the EL panel.

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  • 4 Assignments
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