Single tip redundancy method with resistive base and resultant f

Details Single tip redundancy method with resistive base and resultant f Single tip redundancy method with resistive base and resultant f

1994-01-24

1995-09-19

Ramsey, Kenneth J.

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313336, 445 50, H01J 130

Patent

active

054518300

ABSTRACT:
A high resolution matrix addressed flat panel display having single field emission microtip redundancy with resistive base is described. Parallel, spaced conductors acting as cathode columns for the display are over the substrate. A layer of insulation is formed over the cathode columns. Parallel, spaced conductors acting as gate lines for the display are formed over the layer of insulation at a right angle to the cathode columns. The intersections of the cathode columns and gate lines are pixels of the display. A plurality of openings at the pixels extend through the insulating layer and the gate lines. At each of the openings is a resistive base connected to the cathode conductor column. A small field emission microtip is formed on each resistive base, extending up from the resistive base and into the openings, the height of the microtip being many times smaller than the height of the resistive base.

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R. Meyer in "Recent Development of Microtips Display at Leti" in Technical Digest of IVMC91 Ngahama 1991 pp. 6-9.

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