ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,667, issued on July 14, was assigned to NICHIA Corp. (Anan, Japan).

"Light source device" was invented by Norimasa Yoshida (Komatsushima, Japan) and Tsuyoshi Okahisa (Tokushima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light source device includes: a plurality of independently operable light emitting devices; and a first lens having a lower face that faces the light emitting devices, and a upper face opposite the lower face. The lower face of the first lens includes: an entrance part where light from the light emitting devices enters, the entrance part being a concave portion overlapping the light emitting devices in a top plan view, t...