US Patent Issued to Semiconductor Energy Laboratory on Aug. 4 for "Light-emitting element, light-emitting device, electronic device, and lighting device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,856, issued on Aug. 4, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Light-emitting element, light-emitting device, electronic device, and lighting device" was invented by Hiromi Nowatari (Atsugi, Japan), Satoshi Seo (Kawasaki, Japan), Nobuharu Ohsawa (Zama, Japan), Takahiro Ushikubo (Atsugi, Japan) and Tetsuo Tsutsui (Kasuga, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a light-emitting element capable of emitting light with a high luminance even at a low voltage, and having a long lifetime. The light-emitting element includes n EL layers between an anode and a cathode (n is a natural numb...