US Patent Issued to LAPIS Technology on March 11 for "Semiconductor device, display driver, and display device" (Japanese Inventor)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,295, issued on March 11, was assigned to LAPIS Technology Co. Ltd. (Yokohama, Japan).

"Semiconductor device, display driver, and display device" was invented by Hiroyoshi Ichikura (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a gradation voltage generation circuit, output amplifier circuits, a drive control circuit, and a delay time measurement circuit. The gradation voltage generation circuit converts, according to a load signal, pixel data pieces into gradation voltages and outputs the gradation voltages. The output amplifier circuits generate drive signals by individually amplifying the gradation...