United States Patent and Trademark Office has received an application no. 20120327663, on December 27, 2012, by SEMILED OPTOELECTRONICS CO., LTD., titled as "Light Emitting Diode (LED) Lighting System Having Adjustable Output" for the registration of patent. Inventors: DOAN; TRUNG TRI; (Baoshan Hsinchu 308, TW) Assignee: SEMILED OPTOELECTRONICS CO., LTD. Miao-Li County TW According to the abstract released by the U.S. Patent & Trademark Office: "A light emitting di...