Chemistry: electrical and wave energy – Processes and products – Electrophoresis or electro-osmosis processes and electrolyte...
Patent
1995-10-19
1996-07-16
Niebling, John
Chemistry: electrical and wave energy
Processes and products
Electrophoresis or electro-osmosis processes and electrolyte...
25230136, C25D 1302
Patent
active
055363830
ABSTRACT:
The invention relates to non-aqueous suspensions for the deposition of luminescent materials, particularly phosphors by electrophoresis. These suspensions comprise an organic, polar solvent constituted by a mixture of nitromethane and an aliphatic alcohol such as isopropyl alcohol, containing in solution at least one metal salt and at least one vegetable protein, as well as a powder of the luminescent material to be deposited in suspension in said solvent. These suspensions can be used for the production of tricolour screens having conductor tracks (15, 16, 17) covered with first colour (18), a second colour (19) and a third colour (20), the excitation of the phosphors being carried out by means of an electron source (1) having an emissive cathode with microtips (1c).
REFERENCES:
patent: 2982707 (1961-05-01), Scheible
patent: 3466237 (1969-09-01), Barber
patent: 3714011 (1973-01-01), Grosso et al.
patent: 4891110 (1990-01-01), Libman et al.
patent: 5057196 (1991-10-01), Creech et al.
Journal of the Electrochemical Society, vol. 109, No. 10, pp. 923-927, Oct. 1962, C. Gutierrez, et al., "Electrophoretic Deposition: A Versatile Coating Method".
Danroc Joel
Van Danh Tran
Commissariat a l''Energie Atomique
Mayekar Kishor
Niebling John
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