ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,428, issued on Oct. 14, was assigned to SEIKO EPSON Corp. (Tokyo).
"Optical modulation device and display device" was invented by Yuiga Hamade (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical modulation device includes a first electro-optical device including a first light-emitting element including a light-emitting layer emitting light including a red wavelength region, a second electro-optical device including a second light-emitting element including a light-emitting layer emitting light including a green wavelength region, a third electro-optical device including a third light-emitting element including a light-emittin...