Lighting device

Lighting device

2013/7/9  Wang Wei-Chih, Custodis Udo, Hwang Jung-Min

Abstract A lighting device includes a light guide body and at least one light-emitting unit. The light guide body has a light guide channel and a local roughened surface on the light guide channel as a scattering region. The at least one light-emitting unit is capable of emitting a light into the light guide channel, wherein at least one portion of the light is guided to the scattering region, and the scattering region scatters the light as a local light source region.

• Link:

http://patft.uspto.gov/netahtml/PTO/search-bool.html

• PATENT/NUMBER

     Utility/8,482,186

• download:

patent pdf: https://drive.google.com/file/d/0B-Jg2ZDReoWuNmFLeVF6YVVSOE0/view?usp=sharing