LED light pipe structure

Details LED light pipe structure LED light pipe structure

2007-06-05

2007-06-05

Pak, Sung (Department: 2874)

Optical waveguides

Noncyclindrical or nonplanar shaped waveguide

C385S901000, C362S326000, C362S555000

Reexamination Certificate

active

11432613

ABSTRACT:
An LED light pipe structure includes a light pipe, a light refraction plate, and a light emitting diode which are integrally formed into one body, so as to enable the light emitting diode inside the light pipe to generate a visible light for illumination, through a voltage of direct-current power source provided by a lamp holder.The visible light for illumination generated by the light emitting diode can be refracted and transmitted in an effective range by the light refraction plate, such that the light pipe can generate an illumination of good brightness and quality. In addition, when the light pipe is emplaced in environment of different illumination, the light emitting diode can be replaced with a light emitter of different light source, through that the light pipe can be fixed separately, such that the light pipe can be provided with functions of illuminating and identifying colors.

REFERENCES:
patent: 5810463 (1998-09-01), Kawahara et al.
patent: 6910783 (2005-06-01), Mezei et al.
patent: 2004/0240232 (2004-12-01), Choi et al.
patent: 2005/0073229 (2005-04-01), Wimbert et al.
patent: 2005/0259939 (2005-11-01), Rinko
patent: 2001250410 (2001-09-01), None

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