US Patent Issued to Quanzhou Sanan Semiconductor Technology on May 12 for "Flip-chip light-emitting device having at least one stack unit that is free of gold" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,628,474, issued on May 12, was assigned to Quanzhou Sanan Semiconductor Technology Co. Ltd (Nanan City, China).

"Flip-chip light-emitting device having at least one stack unit that is free of gold" was invented by Min Huang (Fujian, China), Yu Zhan (Fujian, China), Zhanggen Xia (Fujian, China), Ling-Yuan Hong (Fujian, China), Su-Hui Lin (Fujian, China) and Chung-Ying Chang (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flip-chip light-emitting device includes a light-emitting unit, a first electrode, and a second electrode. The light-emitting unit includes a first type semiconductor layer, an active layer, and a second type semiconductor...