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:
Jul. 24, 2007
Filed:
Dec. 13, 2005
Min-hsun Hsieh, Hsinchu, TW;
Chou-chih Yin, Hsinchu, TW;
Chia-liang Hsu, Hsinchu, TW;
Jen-shui Wang, Hsinchu, TW;
Chia-fen Tsai, Hsinchu, TW;
Chien-yuan Wang, Hsinchu, TW;
Min-Hsun Hsieh, Hsinchu, TW;
Chou-Chih Yin, Hsinchu, TW;
Chia-Liang Hsu, Hsinchu, TW;
Jen-Shui Wang, Hsinchu, TW;
Chia-Fen Tsai, Hsinchu, TW;
Chien-Yuan Wang, Hsinchu, TW;
Epistar Corporation, Hsinchu, TW;
Abstract
A tube type light emitting diode light source including a light source generator, a light guide and a diffuser is provided. The light source generator includes LEDs arranging in a line. The light guide has a grooved light incident surface and a grooved light-guiding surface. The grooved light incident surface encompasses the LEDs, and the grooved light-guiding surface is adapted for changing the propagating direction of an incident light. The diffuser covers the light guide.