US Patent Issued to Japan Display on July 21 for "Electrochromic device" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,756, issued on July 21, was assigned to Japan Display Inc. (Tokyo).

"Electrochromic device" was invented by Yoshikazu Hashiba (Tokyo) and Keita Sasanuma (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, an electrochromic device, includes: two electrodes facing each other in a first direction with an electrochromic material therebetween; an operational amplifier circuit an output of which is coupled to one of the two electrodes; a first wiring line coupled to a positive power supply coupling part of the operational amplifier circuit; a second wiring line provided as a transmission line for the output; a first contact coupl...