ALEXANDRIA, Va., June 16 -- United States Patent no. 12,310,155, issued on May 20, was assigned to DENKA COMPANY Ltd. (Tokyo).
"Phosphor plate and light emitting device" was invented by Yuki Kubota (Tokyo), Taiyo Yamaura (Tokyo) and Kazuhiro Ito (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A phosphor plate includes a plate-like composite including a base material and a phosphor contained in the base material, in which the base material contains spinel, the phosphor includes a phosphor containing a Si element, and in an X-ray diffraction pattern of the phosphor plate using a Cu-KAlpha ray, in a case in which peak intensity corresponding to the spinel having a diffraction angle 2Theta in a range of 36...