Long afterglow lamp sheath and lamp assembly using the same

Details Long afterglow lamp sheath and lamp assembly using the same Long afterglow lamp sheath and lamp assembly using the same

2007-12-25

2007-12-25

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S112000, C313S110000, C313S635000, C313S486000

Reexamination Certificate

active

11136679

ABSTRACT:
The present invention provides a long afterglow lamp that comprises a lamp body, characterized in that a light penetrating long afterglow rubber sheath is sleeved outside the body. The present invention is simple in structure thus greatly facilitating the manufacturing process. Ultraviolet light or visible light from the light source of the lamp body is absorbed by the long afterglow fluorescent powder in the long afterglow fluorescent rubber sheath. When the lamp body turns off, the long afterglow fluorescent powder in the long afterglow fluorescent rubber sheath can still keep glowing for a period of time, to provide an illuminating or indicating function.

REFERENCES:
patent: 4908055 (1990-03-01), Komiya et al.
patent: 6479936 (2002-11-01), Martinez
patent: 6623670 (2003-09-01), Tasaki et al.
patent: 2005/0205874 (2005-09-01), Liu et al.

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