Specifically, a radius of curvature of a curve that a cross section of the organic resin film in the opening portion depicts is desirably in the range of approximately from 0.2 to 2 ??m. [0103] The light emitting element 540 is covered with a protective film 541 in order to prevent a substance such as moisture or oxygen from entering in the light emitting element 540 and accelerating the deteriora