US Patent Issued to DOWA Electronics Materials on June 17 for "Light-emitting element and method of producing the same" (Japanese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,336,335, issued on June 17, was assigned to DOWA Electronics Materials Co. Ltd. (Tokyo).

"Light-emitting element and method of producing the same" was invented by Yoshitaka Kadowaki (Akita, Japan), Shogo Sakuraba (Akita, Japan) and Osamu Tanaka (Akita, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a light-emitting element including a first InAs layer that is undoped or doped with an n-type dopant; an active layer including one or more InAsySb1-y layers (0greater thanygreater than1); and a second InAs layer doped with a p-type dopant, an AlxIn1-xAs electron blocking layer (0.05less than equal toxless than equal to0.40) with a thickness of 5 nm ...