Patent Number: 8,814,391

Title: Light guiding structure

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.

Inventors: Koh; Zhi-Wei (Hsinchu County, TW), Kao; Chi-Jen (Taipei, TW), Ing; Wen-Chiun (Taipei County, TW), Hou; Wei-Hsin (Taipei, TW)

Assignee: Luxingtek, Ltd.

International Classification: F21V 5/02 (20060101)

Expiration Date: 8/26/12018