The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 04, 2011
Filed:
Nov. 22, 2006
Wu-cheng Kuo, Tainan, TW;
Ya-hui Chiang, Taoyuan County, TW;
Bing-ru Chen, Pingtung County, TW;
Hung-lieh HU, Hsinchu, TW;
Kuo-hsiang Chen, Taipei County, TW;
Wu-Cheng Kuo, Tainan, TW;
Ya-Hui Chiang, Taoyuan County, TW;
Bing-Ru Chen, Pingtung County, TW;
Hung-Lieh Hu, Hsinchu, TW;
Kuo-Hsiang Chen, Taipei County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
An illumination device includes a light source positioned on an illumination axis, a lens assembly having at least two biconvex lenses disposed on the illumination axis, and a reflector having a reflecting surface enclosing the lens assembly. The light source emits a first group of light beams which directly impinge of the lens assembly, and a second group of light beams which directly impinge on the reflector. The second group of light beams being reflected by the reflecting surface such that they surround the first group of light beams after being refracted by the lens assembly, without such second group of light beams impinging on the lens assembly.