Led lamp having ball-shaped light diffusing modifier

Details Led lamp having ball-shaped light diffusing modifier Led lamp having ball-shaped light diffusing modifier

2000-02-08

2001-10-23

O'Shea, Sandra (Department: 2875)

Illumination

Plural light sources

With modifier

C362S237000, C362S240000, C362S244000, C362S555000, C362S582000

Reexamination Certificate

active

06305821

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates to LED lamps, particularly to ones applicable to decorative lamps, display lamps, a unit of an LED screen, traffic lights, car lamps or night lamps.
Conventional LED lamps are widely used, having a large variety for many different uses.
SUMMARY OF THE INVENTION
This invention has been devised to offer a kind of LED lamp made of a hollow light-transparent ball with one or more LED of the same or different colors fixed at rear side of the ball. The ball has an outer transparent layer and an inner semi-transparent layer having a deflecting percentage larger than the outer layer. Then one or more LED emit light, and the light is deflected and collide with one another inside the semi-transparent layer to give out soft mixed evenly colored light through the outer transparent layer.


REFERENCES:
patent: 4097917 (1978-06-01), McCaslin
patent: 4211955 (1980-07-01), Ray
patent: 4727457 (1988-02-01), Thillays
patent: 4847734 (1989-07-01), Katoh et al.
patent: 4901207 (1990-02-01), Sato et al.
patent: 5032960 (1991-07-01), Katoh
patent: 5140220 (1992-08-01), Hasegawa
patent: 5311417 (1994-05-01), Heh
patent: 5775800 (1998-07-01), Hsieh

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