Fluorescent lamp having high resistance conductive coating adjac

Details Fluorescent lamp having high resistance conductive coating adjac Fluorescent lamp having high resistance conductive coating adjac

1994-10-19

1996-07-23

O'Shea, Sandra L.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313635, H01J 6135

Patent

active

055392776

ABSTRACT:
A fluorescent lamp includes a non-conductive metal oxide layer which cooperates with an overlying starting aid conductive layer to increase the latter's electrical resistance adjacent the lamp electrodes in order to suppress the occurrence of appearance defects associated with mercury condensation. A method of making the lamp includes forming the non-conductive layer along end portions of an inner wall of the lamp glass tube adjacent the electrodes.

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