US Patent Issued to LAPIS Technology on Sept. 2 for "Digital-to-analog converter, data driver, and display device" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,406,638, issued on Sept. 2, was assigned to LAPIS Technology Co. Ltd. (Yokohama, Japan).

"Digital-to-analog converter, data driver, and display device" was invented by Hiroshi Tsuchi (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The differential amplifier circuit includes: first conductivity type first to Nth differential stages each causing a current corresponding to the first or second voltage received at the non-inverting input terminal to flow to a first node and a current corresponding to the output voltage signal received at the inverting input terminal to a second node; a second conductivity type differential stage receiving one...