US Patent Issued to Lextar Electronics on Nov. 18 for "Light-emitting diode chip and light-emitting diode device" (Taiwanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,868, issued on Nov. 18, was assigned to Lextar Electronics Corp. (Hsinchu, Taiwan).

"Light-emitting diode chip and light-emitting diode device" was invented by Jih-Kang Chen (Hsinchu, Taiwan), Shiou-Yi Kuo (Hsinchu, Taiwan) and Guo-Yi Shiu (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting diode chip includes a semiconductor layer, an insulating layer, a first and a second electrode. The semiconductor layer has a top side, a bottom side opposite to the top side and a sidewall connecting the top side and the bottom side, and a concave-convex structure is at the top side of the semiconductor layer. The insulating layer co...