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:
Aug. 26, 2014
Filed:
Sep. 16, 2011
Zhi-wei Koh, Hsinchu County, TW;
Chi-jen Kao, Taipei, TW;
Wen-chiun Ing, Taipei County, TW;
Wei-hsin Hou, Taipei, TW;
Zhi-Wei Koh, Hsinchu County, TW;
Chi-Jen Kao, Taipei, TW;
Wen-Chiun Ing, Taipei County, TW;
Wei-Hsin Hou, Taipei, TW;
Luxingtek, Ltd., Zhubei, TW;
Abstract
A light guiding structure includes a light transmissive body and microstructures; the light transmissive body includes an upper conical groove and a lower accommodating groove, and the upper conical groove has a curved surface with a continually varied slope; the microstructures are disposed on the light transmissive body. A lighting device includes a circuit board, a light source and the aforesaid light guiding structure; the light source and the light guiding structure are disposed on the circuit board, and the light source is accommodated within the lower accommodating groove.