US Patent Issued to Semiconductor Energy Laboratory on July 15 for "Light-emitting device, light-emitting apparatus, electronic device, and lighting device" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,364,115, issued on July 15, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Light-emitting device, light-emitting apparatus, electronic device, and lighting device" was invented by Takeyoshi Watabe (Kanagawa, Japan), Airi Ueda (Kanagawa, Japan), Nobuharu Ohsawa (Kanagawa, Japan) and Satoshi Seo (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A near-infrared organic EL device with favorable efficiency is provided. A light-emitting device including a first electrode, a second electrode, and an EL layer is provided; in which the EL layer is positioned between the first electrode and the second electrode; in which the EL l...