ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,218, issued on April 22, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Display device and electronic device" was invented by Yuichi Yanagisawa (Tochigi, Japan), Nozomu Sugisawa (Isehara, Japan) and Natsuko Takase (Atsugi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device or an electronic device with high portability and browsability is provided. A display device which includes two display panels that overlap with each other and in which the area of a portion where the two display panels overlap with each other is variable is provided. The larger the area where the two display panels overlap with each o...