ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,611, issued on March 4, was assigned to NICHIA Corp. (Anan, Japan).
"Lighting apparatus" was invented by Daisuke Iwakura (Komatsushima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting apparatus includes light emitting elements having an emission peak wavelength of 400 to 510 nm, a first phosphor having an emission peak wavelength of 485 to 700 nm, a second phosphor having an emission peak wavelength of 510 to 590 nm, a third phosphor having an emission peak wavelength of 600 to 700 nm, and a color filter having transmittance for light with a wavelength of 600 to 730 nm that is 80% or more and transmittance for light with a wavelength...