ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,579, issued on April 22, was assigned to JAPAN DISPLAY INC. (Tokyo).

"Display device with guard ring" was invented by Yoshinori Aoki (Tokyo) and Masanobu Ikeda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a display region in which a plurality of pixel portions is arranged in a matrix on a substrate, each of the plurality of pixel portions including an LED chip, a transistor, and a capacitor. Through the transistor, a first electrode of the LED chip is connected to a first wiring to which one of power supply voltages is supplied. A second electrode of the LED chip is connected to a second wiring to which another of t...