US Patent Issued to NICHIA on Feb. 3 for "Light-emitting device and lighting device" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,717, issued on Feb. 3, was assigned to NICHIA Corp. (Anan, Japan).

"Light-emitting device and lighting device" was invented by Yohei Kawano (Tokushima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device includes a light source, including a light-emitting element and an optical axis in a first direction, and an optical element. The optical element has a surface including an incident region, a first region that reflects, toward the light source, a first light entering the optical element through the incident region, a ring-shaped second region surrounding the first region, and a ring-shaped third region surrounding the inciden...