US Patent 10991727 Light emitting display device

Disclosed is a light emitting display device that can enhance light extraction efficiency of light which is emitted from a light emitting element. The light emitting display device includes: an uneven portion that is provided on a substrate and includes a plurality of concave portions separated from each other and protruding portions between the plurality of concave portions; and a light emitting element that is provided on the uneven portion. Each protruding portion includes a vertex portion that is provided between three neighboring concave portions and a connection portion that is connected to two neighboring vertex portions between two neighboring concave portions and has a height less than that of the vertex portions.