Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Patent
1989-03-29
1990-11-13
DeMeo, Palmer C.
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
3151692, H01J 6302, H01J 6306
Patent
active
049704303
ABSTRACT:
A fluorescent display apparatus as a constituent of picture elements of a large-screen display apparatus which is provided with control electrodes for controlling courses of thermoelectrons emitted from cathodes, thereby decreasing fluctuation in brightness of a fluorescent display cell emitting light upon being bombarded by the electrons and preventing the electrons from bombarding other than predetermined fluorescent display cell with result of no emission of false light.
REFERENCES:
patent: 4525653 (1985-06-01), Smith
patent: 4692663 (1987-08-01), Kobayashi et al.
patent: 4893056 (1990-01-01), Hara et al.
Hara Zenichiro
Ichikawa Norihiro
Iwata Shuji
Kamogawa Hiroshi
Tatsuda Kazunori
DeMeo Palmer C.
Ise Electronics Corporation
Mitsubishi Denki & Kabushiki Kaisha
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