US Patent Issued to LUMILEDS SINGAPORE on March 24 for "Composite cathode contact for monolithically integrated micro-LEDs, mini-LEDs and LED arrays" (American, Dutch Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,588,326, issued on March 24, was assigned to LUMILEDS SINGAPORE PTE. LTD. (Singapore).

"Composite cathode contact for monolithically integrated micro-LEDs, mini-LEDs and LED arrays" was invented by Isaac Wildeson (Nashua, N.H.), Hossein Lotfi (Folsom, Calif.) and Toni Lopez (Vaals, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "An LED device comprises a mesa comprising semiconductor layers, the semiconductor layers including an N-type layer, an active layer, and a P-type layer, the mesa having a top surface and at least one side wall, the at least one side wall defining a trench have a bottom surface. A transparent conductive layer is on at...