Lamp having a planar light-emitting source

Details Lamp having a planar light-emitting source Lamp having a planar light-emitting source

2007-06-26

2007-06-26

Luebke, Renee (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S177000, C362S199000, C362S333000, C362S281000

Reexamination Certificate

active

11144835

ABSTRACT:
A lamp having a planar light-emitting source includes a light-guiding structure, a light-emitting portion, and a shading supporting seat. The point-shaped lighting units of the light-emitting portion emit the point-shaped light beams toward the side plane of the light-guiding structure. Then, these beams enter the light-guiding structure. After turning approximately 90 degrees, a uniformly distributed planar light generated from the light-emitting plane of the light-guiding structure. So, a planar light source is obtained. In this invention, it has a planar light-emitting function with better lighting efficiency. The planar lighting is evenly distributed without shadow. Its energy consumption and heat generation are low. The product's life is prolonged. Its volume is small and it is portable.

REFERENCES:
patent: 6530670 (2003-03-01), Hirayama
patent: 6700716 (2004-03-01), Sejkora
patent: 6776494 (2004-08-01), Fujino et al.
patent: 7083317 (2006-08-01), Higashiyama
patent: 2004/0114373 (2004-06-01), Lin
patent: 2005/0185422 (2005-08-01), Henriet et al.

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