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

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,349,591, issued on July 1, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Light-emitting device, light-emitting apparatus, electronic device, and lighting device" was invented by Takumu Okuyama (Tokyo), Hiromi Seo (Kanagawa, Japan), Naoaki Hashimoto (Kanagawa, Japan), Yusuke Takita (Kanagawa, Japan), Tsunenori Suzuki (Kanagawa, Japan) and Satoshi Seo (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel light-emitting device is provided. A light-emitting device with high emission efficiency is provided. A light-emitting device with a favorable lifetime is provided. A light-emitting device with low driving vol...