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

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,887, issued on Nov. 4, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Light-emitting element, lighting device, light-emitting device, and electronic device" was invented by Takahiro Ushikubo (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element whose degree of deterioration with driving time is improved and of which emission colors are easily controlled. A light-emitting emitting element having a first electrode, a second electrode, and a layer containing an organic compound located between the first electrode and the second electrode, in which the layer containing the organic compound at least h...