Flat display panel having spacers

Details Flat display panel having spacers Flat display panel having spacers

1995-11-15

1998-08-04

O'Shea, Sandra L.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313482, 313292, H01J 188

Patent

active

057898570

ABSTRACT:
A vacuum envelope capable of preventing contamination of an electron source and deterioration of luminous characteristics of a phosphor layer. Electrons emitted from a tip end of emitter cones are accelerated by an anode conductor to which a positive voltage is applied with respect to a gate conductor, to thereby impinge on the phosphor layer, leading to luminescence of the layer. The luminescence is observed through a transparent anode substrate. Spacers are bonded at only one end thereof to a cathode substrate by means of seal glass, to thereby keep the seal glass from being irradiated with electrons.

REFERENCES:
patent: 4745332 (1988-05-01), Tischer
patent: 5385499 (1995-01-01), Ogawa et al.
patent: 5438240 (1995-08-01), Cathey et al.
patent: 5551903 (1996-09-01), Kumar et al.
patent: 5561343 (1996-10-01), Lowe

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