ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,830, issued on Sept. 9, was assigned to HOYA Corp. (Tokyo).
"Illumination system" was invented by Wolfgang Mayer (Friedberg, Germany) and Kunihiko Onobori (Friedberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "It is provided an illumination apparatus, comprising a beam combiner comprising two dichroic reflective surfaces and configured to combine a first light from a first light source, a second light from a second light source, and a third light from a third light source into combined light; a combination of the second light passing through the combiner and the third light passing through the combiner is closer to the white point than ...