ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,387, issued on March 3, was assigned to HKC CORPORATION LIMITED (Shenzhen, China).

"Compensation circuit and display device" was invented by Qiang Chen (Guangdong, China) and Junfeng Xie (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compensation circuit, including: a power management circuit and a switch circuit. The switch circuit is connected to a display panel and an operational amplifier circuit connected to the display panel. In case that a feedback voltage is greater than or equal to a target threshold, the switch circuit outputs a common voltage and an operating voltage to the operational amplifier circuit and stops outpu...