Fluorescent lamp with heat radiation sheet member

Details Fluorescent lamp with heat radiation sheet member Fluorescent lamp with heat radiation sheet member

1997-09-12

1999-02-09

Patel, Vip

Electric lamp and discharge devices

With gas or vapor

Having electrode exterior to envelope

313594, 313635, H01J 1100

Patent

active

058699317

ABSTRACT:
There is provided an improved fluorescent lamp comprising a tubular glass bulb, an internal electrode provided inside of said tubular glass bulb, a fluorescent layer provided on an inner surface of said tubular glass bulb, an external electrode having an opening portion and provided on an outer surface of said tubular glass bulb, and a heat radiation sheet fitly provided on said tubular glass bulb, in which a temperature rise in the glass bulb caused by heat generated by discharge at the time of lighting is inhibited by the heat radiation function of the heat radiation sheet and a reduction in the illuminance caused thereby can also be inhibited.

REFERENCES:
patent: 5541480 (1996-07-01), Renardus et al.

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