ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,218, issued on Oct. 21, was assigned to NICHIA Corp. (Anan, Japan).
"Light-emitting device" was invented by Makiko Iwasa (Anan, Japan) and Yuji Sato (Anan, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a light-emitting device having a high luminous flux.The light-emitting device comprises a light-emitting element 11 that has a dominant wavelength in a range of 380 nm or more and 485 nm or less, and a fluorescent material layer 31 that includes a fluorescent material emitting light by being excited by light emitted from the light-emitting element 11, and a neodymium compound, wherein the light-emitting device emits light having a d...