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Device and method for preventing ion build-up in liquid crystal displays

  • US 20110044441A1
  • Filed: 08/18/2009
  • Published: 02/24/2011
  • Est. Priority Date: 08/18/2009
  • Status: Active Grant
First Claim
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1. A desktop network protocol telephone set, comprising:

  • a network interface for connecting the telephone set to a local area network;

    an audio interface for providing audio signals to and from a handset of the telephone set;

    a processing circuit responsive to communications from the network interface; and

    a control circuit for changing a driving frequency of the LCD panel driving an LCD panel.

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