Planar cold cathode lamp with reflecting surfaces

Details Planar cold cathode lamp with reflecting surfaces Planar cold cathode lamp with reflecting surfaces

1995-04-10

1997-03-04

Patel, Nimeshkumar

Electric lamp and discharge devices

With gas or vapor

Having baffle, partition, or constricting means affecting...

313634, H01J 6130

Patent

active

056082886

ABSTRACT:
An automotive neon-type discharge lamp assembly is provided including two spaced-apart electrodes; an elongated gaseous path having one of the electrodes approximately at each respective end, the path including a first generally semicircular reflector surface body having opposing ends and a center, a pair of second semiparabolic reflector surfaces, each surface having first and second ends, the first ends being joined to the ends of the first reflector surface and the second ends emanating outwardly therefrom; a transparent, generally concave volumetric concentrator positioned generally opposite the first reflector surface and spaced therefrom, the concentrator having first and second ends; and a transparent cover having two segments, each segment connecting an end of the concentrator with the second end of a respective second reflector surface.

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patent: 5479069 (1995-12-01), Winser

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