Flat display apparatus with supplemental biasing

Details Flat display apparatus with supplemental biasing Flat display apparatus with supplemental biasing

1994-05-20

1995-07-25

Pascal, Robert J.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315351, 315366, 313422, 313497, G09G 310

Patent

active

054365309

ABSTRACT:
A flat display apparatus is disclosed which includes a grid interposed between and spaced apart from control electrodes and an electron source. The grid which includes holes has a higher potential applied than the one applied to a cathode so as to enable electrons to pass through the holes. An additional grid may be interposed between and spaced apart from the grid and the control electrodes. Alternatively, a rear electrode is located between adjacent porous cover electrodes to connect them, and a second rear electrode is located near the rear electrode and has a lower potential applied than the one applied to the cover electrodes.

REFERENCES:
patent: 4719388 (1988-01-01), Oess
patent: 4881005 (1989-11-01), Morimoto et al.
patent: 4896080 (1990-01-01), Tischer et al.
patent: 5191259 (1993-03-01), Hayashi et al.
U.S. Ser. No. 07/648,031, Saito, filed Jan. 30, 1991.

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