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:
Apr. 28, 2015
Filed:
Jan. 07, 2010
Shi-wei Lee, Kowloon, HK;
Shuk Fan Siu, Kwai Chung, HK;
Wing Shan Kwong, Kowloon, HK;
Wai Fong Lai, Tseung Kwan O, HK;
Wai Lam Cheng, Yuen Long, HK;
Kin Ho Poon, Tai Koo, HK;
Rong Zhang, Kowloon, HK;
Shi-Wei Lee, Kowloon, HK;
Shuk Fan Siu, Kwai Chung, HK;
Wing Shan Kwong, Kowloon, HK;
Wai Fong Lai, Tseung Kwan O, HK;
Wai Lam Cheng, Yuen Long, HK;
Kin Ho Poon, Tai Koo, HK;
Rong Zhang, Kowloon, HK;
The Hong Kong University of Science and Technology, Hong Kong, CN;
Abstract
A light tube for producing light, which may be used in the light fittings, desk lamps, vehicle lights etc. The light tube comprises a plurality of segments arranged end to end along the end of the light tube. Each segment has a transparent or translucent rodhaving two ends, a head spreaderby at least one of said ends and an LEDmounted to each heat spreaderfor directing light laterally into the rod. The heat spreadersare mounted to a metal jacketfor dissipating heat. The light tube further comprises one or more reflectorsfor reflecting light out of the light tube.