Compact fluorescent lamp having a lamp envelope with a reflectiv

Details Compact fluorescent lamp having a lamp envelope with a reflectiv Compact fluorescent lamp having a lamp envelope with a reflectiv

1995-03-24

1997-05-06

Patel, Nimeshkumar

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

313113, 313493, 313634, H01J 6135

Patent

active

056274327

ABSTRACT:
A single-ended low pressure mercury vapor discharge lamp including a lamp envelope having at least two tube portions being connected with each other and dosed with additive and gas, and a housing member made in a manner suitable for electrical and mechanical connection to a lamp holder on one end, and mechanically fixing and making electrical contact with the lamp envelope on the other end. The end portion of the tube portions of the lamp envelope which are set at the housing member side are externally coated with a light-reflecting layer.

REFERENCES:
patent: 3987331 (1976-10-01), Schreurs
patent: 4841193 (1989-06-01), Nakamura et al.
patent: 5341068 (1994-08-01), Nerone

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