ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,926, issued on Aug. 25, was assigned to CreeLED Inc. (Durham, N.C.).
"Reflective layers for light-emitting diodes" was invented by Michael Check (Holly Springs, N.C.) and Kevin Haberern (Cary, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting diode (LED) chip with reflective layers having high reflectivity is disclosed. The LED chip may include an active LED structure including an active layer between an n-type layer and a p-type layer. A first reflective layer is adjacent the active LED structure and comprises a plurality of dielectric layers with varying optical thicknesses. The plurality of dielectric layers may include a plura...