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Field emission lamp

  • US 20060017370A1
  • Filed: 06/28/2005
  • Published: 01/26/2006
  • Est. Priority Date: 07/20/2004
  • Status: Active Grant
First Claim
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1. A field emission lamp comprising:

  • a tube having a closed end and an open end;

    an anode layer formed on an inner surface of the tube;

    a fluorescence layer formed on the anode layer;

    an encapsulation board mated with the open end of the tube;

    a cathode down-lead pole located at the encapsulation board;

    a cathode fixing pole located at the closed end of the tube;

    a cathode filament fixed between the cathode down-lead pole and the cathode fixing pole, the cathode filament having a carbon nanotube layer formed on a surface thereof;

    an anode down-lead ring located at the anode layer adjacent or near the open end of the tube; and

    an anode down-lead pole located at the encapsulation board and electrically connected with the anode down-lead ring.

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