Auxiliary electrodes in fluorescent lamps for preventing irregul

Details Auxiliary electrodes in fluorescent lamps for preventing irregul Auxiliary electrodes in fluorescent lamps for preventing irregul

1986-11-25

1988-05-17

Moore, David K.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313632, H01J 61067, H01J 6110

Patent

active

047453338

ABSTRACT:
A fluorescent lamp includes a bulb defining a discharge channel, and a pair of discharge electrodes provided at both ends of the bulb. Each electrode has a pair of leads, a filament mounted between the leads, and rod-like auxiliary electrodes protruding from the leads, respectively. Each auxiliary electrode extends beyond the filament in the electron discharge direction of the discharge electrodes. Each auxiliary electrode is constructed so as to satisfy the following equation Q/I.sub.L .gtoreq.1.0.times.10.sup.-2, where Q is heat capacity of the auxiliary electrode and I.sub.L is lamp current.

REFERENCES:
patent: 4024423 (1977-05-01), Kern

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