ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,338, issued on Dec. 9, was assigned to NICHIA Corp. (Anan, Japan).
"Phosphor composition and method for manufacturing same" was invented by Shigeki Yoshida (Anan, Japan), Hiroyuki Watanabe (Itano-gun, Japan) and Shoji Hosokawa (Tokushima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a phosphor having superior light-emitting properties. A phosphor composition includes: a nitride phosphor that contains, in a composition thereof, an element M that is at least one selected from the group consisting of rare earth elements except cerium, silicon, nitrogen, and cerium; and an oxyfluoride. In the phosphor composition, a content of the oxy...