Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Reexamination Certificate
2007-02-06
2007-02-06
McCall, Eric S. (Department: 2855)
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
Reexamination Certificate
active
09755375
ABSTRACT:
This invention is directed to phosphor particles and to field emission displays using the particles, each of the particles is coated with an electrically conducting material to impart to the particles environmental stability, stability under use conditions, and reduced charging.
REFERENCES:
patent: 5747100 (1998-05-01), Petersen
patent: 5821685 (1998-10-01), Peterson
patent: 6180029 (2001-01-01), Hampden-Smith et al.
Aggarwal Ishwar D.
Sanghera Jasbinder S.
Kap George A.
Karasek John J.
McCall Eric S.
The United States of America as represented by the Secretary of
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