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:
Jun. 19, 2012
Filed:
Jun. 01, 2010
Applicants:
Wei-chih Wang, Hsin-Chu, TW;
Udo Custodis, Hsin-Chu, TW;
Wen-chiao Chang, Hsin-Chu, TW;
Inventors:
Assignee:
Young Lighting Technology Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An illuminating device includes a tubular light guide, a plurality of light-emitting devices, and a base. The tubular light guide has a light input edge and an inner space. The light-emitting devices are distributed at the light input edge to provide lights into the tubular light guide. The base supports the light-emitting devices and the tubular light guide. The base also has an electronic circuit to provide power to the light-emitting devices. The base has at least one air circulation hole for connecting an outer space with the inner space.