Compact fluorescent lamp and luminaire using the same

Details Compact fluorescent lamp and luminaire using the same Compact fluorescent lamp and luminaire using the same

2007-09-11

2007-09-11

Alavi, Ali (Department: 2875)

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

C313S318120, C313S318010, C362S216000, C362S218000

Reexamination Certificate

active

11124383

ABSTRACT:
A compact fluorescent lamp comprises a fluorescent tube having a helical portion on at least a part thereof and turned down in the middle, a pair of tube ends thereof each provided with a discharge electrode, the pair of tube ends juxtaposing with each other in the same direction, a holder for holding the tube ends so as that the fluorescent tube is supported at the one side thereof, a lighting device for supplying a high-frequency power to the fluorescent tube, the lighting device comprising a circuit board facing the other side of the holder and circuit elements mounted on the circuit board, a cover for accommodating the lighting device, the cover opening at both ends and holding the holder at the one opening end, and a cap fixed to the other opening end of the cover for supplying a commercial power to the lighting device by being mounted to a socket of luminaire, wherein a thin tube is protruded from at least one of the tube ends of the fluorescent tube in the cover, and the thin tube is communicated with the fluorescent tube.

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Yasuda, Takeo, 2002 Manuscript of Japan Lighting Society National Conference No. 7.
JIS C 7501, 2000 Tungsten Filament Lamps for General Lighting Purposes.

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