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Luminescent device and process of manufacturing the same

  • US 20040157564A1
  • Filed: 02/02/2004
  • Published: 08/12/2004
  • Est. Priority Date: 05/22/2001
  • Status: Active Grant
First Claim
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1. A display device comprising:

  • a casing;

    a speaker portion mounted on the casing; and

    a display portion mounted on the casing, the display portion having a luminescent device comprising;

    a thin film transistor provided over an insulating surface of a substrate;

    a luminescent element electrically connected with said thin film transistor, said luminescent element comprising an organic compound layer, an anode and a cathode, said cathode containing an alkaline metal;

    at least one insulating layer provided between said thin film transistor and said luminescent element, said insulating layer capable of adsorbing said alkaline metal.

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