US Patent Issued to Anhui San'an Optoelectronics on Jan. 27 for "Light-emitting device and manufacturing method for making the same" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,614, issued on Jan. 27, was assigned to Anhui San'an Optoelectronics Co. Ltd. (Wuhu, China).

"Light-emitting device and manufacturing method for making the same" was invented by Yu Wang (Wuhu, China), Xiulei Shi (Wuhu, China), Doudou Zhao (Wuhu, China), Yao Li (Wuhu, China), Cheng-Hung Lee (Wuhu, China) and Chan-Chan Ling (Wuhu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device includes a patterned substrate, a buffer layer, an epitaxial layered unit, and at least one hole structure. The patterned substrate includes a supporting substrate having an upper surface, and a plurality of protrusions formed on the upper surface. ...