US Patent Issued to Semiconductor Energy Laboratory on April 14 for "Light-emitting device and light-emitting apparatus" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,662, issued on April 14, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Light-emitting device and light-emitting apparatus" was invented by Sachiko Kawakami (Kanagawa, Japan), Yui Yoshiyasu (Kanagawa, Japan), Nobuharu Ohsawa (Kanagawa, Japan), Tsunenori Suzuki (Kanagawa, Japan), Toshiki Sasaki (Kanagawa, Japan), Naoaki Hashimoto (Kanagawa, Japan), Tomohiro Kubota (Kanagawa, Japan) and Satoshi Seo (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device having favorable heat resistance is provided. The light-emitting device includes an anode, a cathode, and an EL layer positioned between the...