US Patent Issued to LAPIS Technology on July 15 for "Display apparatus, source driver, and gradation voltage generating circuit" (Japanese Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,361,908, issued on July 15, was assigned to LAPIS Technology Co. Ltd. (Yokohama, Japan).

"Display apparatus, source driver, and gradation voltage generating circuit" was invented by Kenji Yanagawa (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A source driver of the disclosure supplies a display device having a plurality of display cells with gradation voltages corresponding to respective luminance levels for the display cells indicated by a video signal. The source driver includes a gamma voltage generating circuit and a gradation voltage determination circuit. The gamma voltage generating circuit includes a resistor voltage dividing c...