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:
Aug. 30, 2011
Filed:
May. 22, 2009
Applicant:
Chen-sheng Yang, Kaohsiung, TW;
Inventor:
Chen-Sheng Yang, Kaohsiung, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An LED light string assembly has a plug for providing a low DC voltage, an extension socket, a light string connected between the plug and the extension socket. The light string has multiple LED Christmas bulbs connected in parallel. Each LED Christmas bulb includes an LED and a resistor connected in series. Even one of the LED Christmas bulb burns out, all the remaining LED Christmas bulb of the light string will not be affected and still can be normally turned on as required to generate light.