US Patent Issued to Primax Electronics on March 31 for "Illumination circuit" (Taiwanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,381, issued on March 31, was assigned to Primax Electronics Ltd. (Taipei, Taiwan).

"Illumination circuit" was invented by Yu-Zeng Yang (Taipei, Taiwan), Sheng-Wen Wang (Taipei, Taiwan) and Hui-Ling Lin (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illumination circuit includes a first voltage source, plural first light-emitting diodes, plural first resistive elements, a first impedance element, a second voltage source, plural second light-emitting diodes, plural second resistive elements and a second impedance element. The plural first light-emitting diodes are connected with each other in parallel. A first terminal of each firs...