Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure
Patent
1989-12-11
1993-03-30
O'Shea, Sandra L.
Electric lamp and discharge devices
With gas or vapor
Envelope with particular structure
313493, 313516, 313519, 340774, 40545, H01J 6130, H01J 1716, G09G 322, G09F 1326
Patent
active
051987236
ABSTRACT:
A gas discharge display apparatus in the form of an electroluminescent gas filled panel adapted for quickly and inexpensively making a durable and robust luminous sign using image patterns transferred to the panel by painting, silkscreening, stencilling, lithography, or the like. The apparatus generally includes a pair of substantially parallel spaced apart rigid plates, or sheets, enclosing an electroluminescent gas, and having variously located and kinds of conductive elements, such as surface coatings, used as electrodes for energizing the enclosed electroluminescent gas.
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