US Patent 11683893 Display apparatus

A display apparatus includes a display panel, a substrate, and a frame structure. The substrate has an outer circumference end face including a first end face part and a second end face part intersecting the first end face part at a first intersection, a first groove formed on the first end face part and extending in a first direction, and a second groove formed on the second end face part and extending in a second direction. The frame structure holds the display panel and the substrate, and has a cyclic frame part surrounding the substrate and the display panel, a first rib erected on a first part of the frame part, and a second rib erected on a second part of the frame part.