US Patent Issued to DENKA on April 22 for "Phosphor plate, light emitting device, and method for manufacturing phosphor plate" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,848, issued on April 22, was assigned to DENKA COMPANY Ltd. (Tokyo).

"Phosphor plate, light emitting device, and method for manufacturing phosphor plate" was invented by Taiyo Yamaura (Tokyo), Yuki Kubota (Tokyo), Kazuhiro Ito (Tokyo) and Hideyuki Emoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phosphor plate including: a complex containing an Alpha-sialon phosphor and a sintered body containing spinel represented by a general formula M2xAl4-4xO6-4x (where M represents at least one of Mg, Mn, and Zn, and 0.2greater thanxgreater than0.6). In addition, there is provided a light emitting device including: a group III nitride semiconductor ...