ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,402,223, issued on Aug. 26, was assigned to SEMISILICON TECHNOLOGY CORP. (New Taipei, Taiwan).
"Light-emitting diode lamp string system" was invented by Wen-Chi Peng (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting diode lamp string system includes a light-emitting diode lamp string and a control apparatus. The light-emitting diode lamp string includes a plurality of light-emitting diode lamps. The light-emitting diode lamp includes a first controller, a power circuit, an impedance-balancing unit, and a plurality of light-emitting diodes. The control apparatus is used to receive a direct-current power and includes a co...