US Patent Issued to Semiconductor Energy Laboratory on Aug. 11 for "Light-emitting device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,707,803, issued on Aug. 11, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Light-emitting device" was invented by Takeyoshi Watabe (Atsugi, Japan) and Nobuharu Ohsawa (Zama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a light-emitting device having high efficiency and high reliability. The light-emitting device includes a first electrode, a second electrode, and an organic compound layer; the organic compound layer is between the first electrode and the second electrode; the organic compound layer includes a first light-emitting unit, a second light-emitting unit, and an intermediate layer; the intermediate layer ...