Compact self-ballasted fluorescent lamp, fluorescent lamp...

Details Compact self-ballasted fluorescent lamp, fluorescent lamp... Compact self-ballasted fluorescent lamp, fluorescent lamp...

2006-11-07

2006-11-07

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Envelope with particular structure

C313S573000, C313S637000, C313S639000, C313S493000, C445S066000, C445S017000, C445S022000, C445S026000

Reexamination Certificate

active

07132799

ABSTRACT:
A diffuser is formed on an inner surface of a globe included in a compact self-ballasted fluorescent lamp, and a diffuse transmittance of the diffuser τ is set at 95%. When designing dimensions of the compact self-ballasted fluorescent lamp, at the same time, a ratio Dg/Pgis set at 0.8 or greater. Here, Pgis a helical pitch of an arc tube having a helical configuration, and Dgis a half of a difference between a helix diameter of the arc tube and a maximum outside diameter of the globe.

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