US Patent Issued to LG Display on Sept. 9 for "Display device comprising a contact hole that contacts multiple layers" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,449, issued on Sept. 9, was assigned to LG Display Co. Ltd. (South Korea).

"Display device comprising a contact hole that contacts multiple layers" was invented by SeonWoo Lee (Uiwang-si, South Korea), Hana Jung (Seoul, South Korea) and Geondo Park (Paju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a substrate, a first conductive layer on the substrate, a buffer layer on the first conductive layer, a first semiconductor layer on the buffer layer, a gate insulating layer on the first semiconductor layer and the buffer layer and a second conductive layer on the gate insulating layer, wherein the second cond...