Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Patent
1997-11-12
1999-12-07
Patel, Ashok
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
313497, 313309, 313336, 313351, H01J 162
Patent
active
059989238
ABSTRACT:
The present invention relates to a flat display screen including a cathode associated with a grid for extracting electrons emitted by at least one region of the cathode, and an anode provided with phosphor elements placed facing the cathode/grid, the cathode having no emissive region in the areas located above the phosphor elements, these areas including a conductive layer which can be biased independently from the emissive regions.
REFERENCES:
patent: 5561345 (1996-10-01), Kuo
patent: 5754001 (1998-05-01), Ohno et al.
Patel Ashok
Pixtech S.A.
Plevy Arthur L.
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