Organic conductor for an electrophotographic screening process f

Details Organic conductor for an electrophotographic screening process f Organic conductor for an electrophotographic screening process f

1993-12-22

1994-12-06

Rosasco, Steve

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

Using specified radiation-sensitive composition other than a...

430 23, 430 29, G03C 500

Patent

active

053709527

ABSTRACT:
The method of electrophotographically manufacturing a screen assembly on an interior surface of a faceplate panel for a color CRT, according to the present invention, includes the steps of sequentially coating the surface of the panel with a conductive solution to form a volatilizable organic conductive layer and then overcoating the conductive layer with a photoconductive solution to form a volatilizable organic photoconductive layer. The conductive layer, comprising a quaternary ammonium polyelectrolyte and a surfactant, provides an electrode for the photoconductive layer and has improved electrical and physical properties compared to prior conductive layers.

REFERENCES:
patent: 3558310 (1971-01-01), Mayaud
patent: 4508805 (1985-04-01), Kawamura et al.
patent: 4921767 (1990-05-01), Datta et al.
patent: 5083959 (1992-01-01), Datta et al.
patent: 5229234 (1993-07-01), Riddle et al.
patent: 5240798 (1993-08-01), Ehemann, Jr.

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