US Patent Issued to SEIKO EPSON on June 3 for "Wavelength conversion element, light source device, and projector" (Japanese Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,089, issued on June 3, was assigned to SEIKO EPSON Corp. (Tokyo).

"Wavelength conversion element, light source device, and projector" was invented by Toshiaki Hashizume (Okaya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wavelength conversion element includes a wavelength conversion layer configured to convert first light in a first wavelength band into second light in a second wavelength band different from the first wavelength band, the wavelength conversion layer including a scattering element no higher than 5% in volume ratio and having a first surface, a second surface intersecting the first surface, and a third surface intersecting t...