Electroluminescent lamp devices using monolayers of electrolumin

Details Electroluminescent lamp devices using monolayers of electrolumin Electroluminescent lamp devices using monolayers of electrolumin

1987-12-31

1990-02-20

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428690, 428917, 313503, 313506, H05B 3312, B32B 1706

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active

049025678

ABSTRACT:
An electroluminescent (EL) lamp element and a process for making same. The EL lamp element has a monolayer of phosphor particles deposited in a resin binder material. The sizes of the particles are controllably pre-selected to lie within a selected range thereof. The thickness of the resin binder layer is about one-half that of the average particle size so that the tendency of the resin to migrate through the particles and to cover the surfaces of the particles is prevented. A second resin binder layer is then deposited over the exposed surfaces of phosphor particles to form a relatively thin monolayer of particles uniformly distributed in the resin binder layers. If desired, the particles can be coated with a colloidal silica material to prevent any agglomeration thereof when depositing them in the resin binder layer.

REFERENCES:
patent: 4143297 (1979-03-01), Fischer
patent: 4608308 (1986-08-01), Igarashi et al.
patent: 4661373 (1987-04-01), Kato et al.
patent: 4767679 (1988-08-01), Kawachi
G. Destriau, "The New Phenomenon of Electrophotoluminescence . . . Lattice" in Philowophical Magazine vol. 38 (1946/1947).

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