ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,947, issued on Sept. 23, was assigned to E Ink Holdings Inc. (Hsinchu, Taiwan).

"Touch display device" was invented by Ming-Huan Yang (Hsinchu, Taiwan) and Wei-Sung Cheng (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A touch display device includes a driving substrate, a display medium layer, a conductive film, a touch panel, a circuit board, a reinforcing structure layer and a light guide plate. The driving substrate includes a first portion, a second portion and a bending portion connecting the first portion and the second portion. The display medium layer is disposed on the first portion. The conductive film is disposed on the ...