Electrodeless fluorescent lamp

Details Electrodeless fluorescent lamp Electrodeless fluorescent lamp

1996-11-08

1999-09-28

Day, Michael

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

313113, 313493, H01J 6504

Patent

active

059594055

ABSTRACT:
An electrodeless fluorescent lamp having an envelope with an improved shape. The invented shape is shorter and the light-trapping area near the neck is substantially reduced or eliminated. The ratio of the operational width to the operational height of the envelope is preferably at least 1.5 and the reflector face angle is preferably less than 40.degree..

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