ALEXANDRIA, Va., June 4 -- United States Patent no. 12,324,285, issued on June 3, was assigned to Tectus Corp. (Cupertino, Calif.).
"Ultra-dense array of LEDs with ruthenium mirrors" was invented by Kwong-Hin Henry Choy (San Jose, Calif.) and Ewelina Natalia Lucow (Los Gatos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, the LEDs in an LED array include a semiconductor mesa and a ruthenium reflector positioned above the top surface of the semiconductor mesa. Working downwards from the ruthenium reflector, the mesa includes a top p-layer, an active region such as a quantum well region, and a bottom n-layer. The n- and p-layers may be reversed, so that the top layer is an n-layer and the...