US Patent Issued to HKC on Sept. 23 for "Varistor for preventing Trace Mura caused by a hard object scratched across the surface of a screen" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,721, issued on Sept. 23, was assigned to HKC CORPORATION LIMITED (Shenzhen, China).

"Varistor for preventing Trace Mura caused by a hard object scratched across the surface of a screen" was invented by Weishi Yang (Shenzhen, China) and Baohong Kang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pixel driving structure includes a switching transistor, and further includes: a first positive pressure coefficient varistor circuit. A first end of the first positive pressure coefficient varistor circuit is electrically connected with a drain electrode of the switching transistor, and a second end of the first positive pressure coeffici...