US Patent Issued to NICHIA on Dec. 23 for "Light-emitting device, lighting appliance, and street light" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,132, issued on Dec. 23, was assigned to NICHIA Corp. (Anan, Japan).

"Light-emitting device, lighting appliance, and street light" was invented by Mika Matsumoto (Itano-gun, Japan), Miyuki Kurata (Anan, Japan) and Kazushige Fujio (Tokushima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a light-emitting device, a lighting appliance, and a street light that emit light with minimal negative effects on the behavior of sea turtles and which makes irradiated objects easily visible to humans. The light-emitting device includes a light-emitting element having an emission peak wavelength within a range from 400 nm to 490 nm; and a first ph...