ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,303, issued on Oct. 21, was assigned to Primax Electronics Ltd. (Taipei, Taiwan).
"Key structure" was invented by Yi-Chao Huang (Taipei, Taiwan) and Yu-Zeng Yang (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A key structure includes a keycap, a backlight module and an elastic element. The keycap includes a first light-transmissible area. The backlight module is located under the keycap. In addition, the backlight module includes a first light-emitting element. The first light-emitting element is misaligned with the first light-transmissible area. The elastic element is arranged between a first light propagation path of the first lig...