US Patent Issued to SEIKO EPSON on Sept. 22 for "Wavelength converter, light source device, and projector" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,743,012, issued on Sept. 22, was assigned to SEIKO EPSON Corp. (Tokyo).

"Wavelength converter, light source device, and projector" was invented by Kengo Kano (Matsumoto, Japan) and Koya Shiratori (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wavelength converter includes a wavelength conversion layer including a first recess on a first surface thereof and configured to convert blue excitation light into yellow fluorescent light, a first matching layer provided on the light incident surface of the wavelength conversion layer, and a first flat layer provided on a second surface on the opposite side of a surface of the first matching ...