ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,406,816, issued on Sept. 2, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Power storage device, light-emitting device, and electronic device" was invented by Takuya Kawata (Atsugi, Japan) and Kei Takahashi (Isehara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a flexible, highly reliable power storage device or light-emitting device. The device includes a battery unit or a light-emitting unit and a member with rubber elasticity. The battery unit includes a secondary battery. The light-emitting unit includes a light-emitting element. The member with rubber elasticity is provided with a first projection and ...