Metal working – Barrier layer or semiconductor device making – Barrier layer device making
Patent
1976-02-19
1979-07-03
Lazarus, Richard B.
Metal working
Barrier layer or semiconductor device making
Barrier layer device making
29 2513, H01J 912
Patent
active
041595599
ABSTRACT:
In this invention a basic EL lamp structure is prepared by spray coating an EL phosphor compound onto one side of film substrate, and when the EL layer has dried, spray coating a translucent, electrically-conductive film of an indium oxide formulation onto the EL layer and the opposite side of the substrate. Although this structure will glow when an AC voltage is impressed thereacross, it is preferred to attach two foil leads to the basic lamp, and to laminate this assembly between a pair of tough, polyester films, which prevent the basic lamp from ripping or tearing. Moreover, for even greater protection, this assembly is laminated between two layers of a moisture resistant, fluorocarbon film, thus producing a panel suitable for illuminated room dividers, etc. If desired a thin metal film can be photo etched on one of the polyester films to project an image when the lamp is energized.
REFERENCES:
patent: 2887402 (1959-05-01), Ballard
patent: 2922912 (1960-01-01), Miller
patent: 3148299 (1964-09-01), Devol et al.
patent: 3197664 (1965-07-01), Sentementes et al.
patent: 3295002 (1966-12-01), Amans
patent: 3379915 (1968-04-01), Sentementes et al.
patent: 3509401 (1970-04-01), Calley, Jr. et al.
Lazarus Richard B.
T. L. Robinson Co., Inc.
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