ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,552, issued on Nov. 3, was assigned to LG DISPLAY Co. LTD. (Seoul, South Korea).
"Display apparatus" was invented by Bongjun Kim (Goyang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus may include: a substrate including a first sub-pixel area; an overcoat layer on the substrate and having a plurality of concave portions in the first sub-pixel area; and a bank layer on the overcoat layer and having a first opening to define a first light light-emitting area in the first sub-pixel area. The overcoat layer may include two first flat areas having a flat surface in the first light-emitting area, the concave portions bein...