ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,842, issued on July 28, was assigned to E Ink Holdings Inc. (Hsinchu, Taiwan).

"Display device" was invented by Shu-Cheng Liu (Hsinchu, Taiwan), Hsiao-Lung Cheng (Hsinchu, Taiwan), Pei-Lin Tien (Hsinchu, Taiwan) and Chi-Mao Hung (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device, comprising a display panel, a signal processor and an image processor. The display panel comprises a driving circuit and multiple pixel circuits. The driving circuit is configured to provide multiple driving voltages to the pixel circuits. The signal processor is coupled to the display panel to receive a first image signal. The image processor ...