Array of light emitting elements for electrophotographic printer

Details Array of light emitting elements for electrophotographic printer Array of light emitting elements for electrophotographic printer

1986-01-22

1988-05-10

DeMeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313110, 313117, H01J 6304, H01J 6306, H01J 516

Patent

active

047438002

ABSTRACT:
An array of light emitting elements comprises an insulating substrate, a dot anode array including a multitude of dot anodes defined by conductors and phosphors formed on the substrate, a thermionic emission cathode disposed in opposing relationship with the dot anode array, and a grid interposed between the cathode and the dot anode array. An accelerating electric field is selectively established between the dot anodes and the cathode to excite the phosphors on the dot anodes with low speed electron beams, thus causing the phosphors to emit light. The array is primarily used in an electrophotographic printer.

REFERENCES:
patent: 3657587 (1972-04-01), Kegelman
patent: 3846662 (1974-11-01), Hooker
patent: 3897614 (1975-08-01), Armstrong
patent: 4047073 (1977-09-01), Kishino
patent: 4081398 (1978-03-01), Hase et al.
patent: 4098939 (1978-07-01), Kuroda et al.
patent: 4551737 (1985-11-01), Inokuchi
"Materials and Techniques for Electron Tubes", by W. H. Kohl, 1966, pp. 551-553.

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