The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2025
Filed:
Aug. 19, 2021
Hoya Corporation, Tokyo, JP;
Wolfgang Mayer, Friedberg, DE;
Kunihiko Onobori, Friedberg, DE;
HOYA CORPORATION, Tokyo, JP;
Abstract
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 each of the second light and the first light passing through the combining portion; or the third light passing through the combiner is closer to the white point than each of the second light and the first light passing through the combining portion.