Method of making an electroluminescent lamp

Details Method of making an electroluminescent lamp Method of making an electroluminescent lamp

1996-02-06

1999-11-02

Beck, Shrive

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

4271263, 427282, 42725532, 4274192, 20419217, 313503, 313506, 313509, B05D 506, H01J 170

Patent

active

059766131

ABSTRACT:
A thick film, electroluminescent lamp and method of construction in which a single non-hygroscopic binder is used for all layers (with the optional exception of the rear electrode), thereby reducing delamination as a result of temperature changes and the susceptibility to moisture. The use of a common binder for both phosphor and adjacent dielectric layers reduces lamp failure due to localized heating, thus increasing light output for a given voltage and excitation frequency, and increasing the ability of the lamp to withstand overvoltage conditions without failure. Layers may be provided on both sides of a common rear electrode to provide a lamp with two independently operable lamp surfaces. A front electrode may be exposed on a side of the lamp with the rear electrode by cutting the layers down to the front electrode after the layers have been joined.

REFERENCES:
patent: 5276382 (1994-01-01), Stocker et al.
patent: 5491377 (1996-02-01), Janusauskas
patent: 5557295 (1996-09-01), Miyashita et al.
patent: 5646481 (1997-07-01), Zovko
patent: 5660573 (1997-08-01), Butt

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