ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,183, issued on Dec. 2, was assigned to Beijing BOE Technology Development Co. Ltd. (Beijing).

"Phase shifter and electronic device" was invented by Cheng Pan (Beijing), Shiqiao Zhang (Beijing), Jia Fang (Beijing) and Feng Qu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phase shifter and an electronic device are provided and belong to the field of communication technology. The phase shifter includes opposite first and second substrates; a tunable dielectric layer therebetween. The first substrate includes a first dielectric substrate; first and second transmission lines on a side of the first dielectric substrate close to the tunable diel...