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. 01, 2014
Filed:
Aug. 12, 2011
Applicant:
Tong Fatt Chew, Penang, MY;
Inventor:
Tong Fatt Chew, Penang, MY;
Assignee:
GT Biomescilt Light Limited, Kowloon, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Illumination devices (), systems and methods that convert an alternating current (AC) supply () to a direct current (DC) for powering a plurality of light emitting diodes (LEDs) are disclosed. An illumination device () comprises a full wave rectifier () for converting the AC supply into a direct current (DC). A current limiting diode (CLD) module (), comprising at least one CLD is coupled in series to an output of the full wave rectifier and a light emitting diode (LED) module () comprising a plurality of LEDs is coupled in series between an output of the CLD module () and the full wave rectifier ().