Cold cathode field emission display and method for forming it

Details Cold cathode field emission display and method for forming it Cold cathode field emission display and method for forming it

1995-04-10

1996-11-26

Ramsey, Kenneth J.

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313336, 445 24, H01J 102

Patent

active

055788963

ABSTRACT:
A cold cathode field emission display is described. A key feature of its design is that each individual microtip has its own ballast resistor. The latter is formed from a resistive layer that has been interposed between the cathode line and the substrate. When openings for the microtips are formed in the gate line, extending down as far as the resistive layer, an overetching step is introduced. This causes the dielectric layer to be substantially undercut immediately above the resistive layer thereby creating an annular resistor positioned between the gate line and the base of the microtip.

REFERENCES:
patent: 4940916 (1990-07-01), Borel et al.
patent: 5142184 (1992-08-01), Kane
patent: 5194780 (1993-03-01), Meyer
patent: 5502347 (1996-03-01), Dworsky et al.
patent: 5536993 (1996-07-01), Taylor et al.

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