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Flat panel field emission display apparatus

  • US 5,283,500 A
  • Filed: 05/28/1992
  • Issued: 02/01/1994
  • Est. Priority Date: 05/28/1992
  • Status: Expired due to Fees
First Claim
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1. An article comprising field emission cathodoluminescent display means comprisinga) a multiplicity of cathode electrode means comprisingi) a plurality of micropoint emitter means, andii) impedance means for limiting a current associated with said micropoint emitter means;

  • b) a multiplicity of gate electrode means, arranged such that said cathode and gate electrode means form a matrix structure having columns and rows and a multiplicity of intersection regions, with a multiplicity of said micropoint emitter means being located in a given intersection region, said micropoint emitter means facing towards said gate electrode means, with substantially each of said micropoint emitter means in the given intersection region being associated an aperture through said gate electrode means;

    c) anode means comprising material capable of cathodoluminescence, said anode means positioned such that electrons that are emitted from the micropoint emitter means in the given intersection region can impinge on the anode means; and

    d) means for applying a first voltage V1 between a predetermined cathode electrode means and a predetermined gate electrode means, and means for applying a second voltage V2 between the predetermined cathode electrode means and the anode means;

    characterized in thate) said impedance means comprise first impedance means that carry substantially all of the current associated with substantially all the micropoint emitter means in one or more intersection regions including the given intersection region, but including fewer than all of the intersection regions in a column or row.

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