US Patent Issued to CreeLED on Sept. 9 for "Contact structures of LED chips for current injection" (North Carolina Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,884, issued on Sept. 9, was assigned to CreeLED Inc. (Durham, N.C.).

"Contact structures of LED chips for current injection" was invented by Seth Joseph Balkey (Durham, N.C.), Steven Wuester (Wake Forest, N.C.) and Michael Check (Holly Springs, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Light-emitting diodes (LEDs), and more particularly contact structures of LED chips for improved current injection are disclosed. Exemplary LED chips include an n-contact structure that forms part of a cathode connection. N-contact structures are provided that form a grid structure that is electrically coupled at an n-type layer across the LED chip so that ...