US Patent Issued to LG Display on June 17 for "Display apparatus having a groove formed in a protrusion of a planarization layer" (South Korean Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,336,391, issued on June 17, was assigned to LG Display Co. Ltd. (Seoul, South Korea).

"Display apparatus having a groove formed in a protrusion of a planarization layer" was invented by Joonsuk Lee (Paju-si, South Korea), SeJune Kim (Paju-si, South Korea) and Sangpil Park (Paju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus is provided, which includes a substrate having a plurality of subpixels, a planarization layer provided on the substrate, including a first area in which protrusions are formed and a second area positioned between the protrusions, a first electrode provided on the planarization layer, a light emitt...