US Patent Issued to Semiconductor Energy Laboratory on Sept. 1 for "Light-emitting device, light-emitting apparatus, electronic device, and lighting device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,321, issued on Sept. 1, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Light-emitting device, light-emitting apparatus, electronic device, and lighting device" was invented by Nobuharu Ohsawa (Zama, Japan) and Satoshi Seo (Sagamihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel light-emitting device that is highly convenient, useful, or reliable is provided. A light-emitting device including a second electrode over a first electrode with an EL layer sandwiched therebetween is provided. The EL layer includes a light-emitting layer and an oxidation-resistant layer over the light-emitting layer. The EL layer include...