Patent ID: 7902739

Claim:
An organic light emitting device comprising: a substrate; an organic light emitting element arranged on the substrate; a phase member arranged on a light extraction side of the organic light emitting element; a first prism member arranged on a light extraction side of the phase member; a second prism member arranged on a light extraction side of the first prism member wherein the first and second prism members each have prism elements which have a convex part having a triangular shape toward the light extraction side and pitch directions of the first and second prism members are orthogonal to each other; and a polarizing member arranged on a light extraction side of the second prism member wherein the vertex angle of the convex part of the first prism member is 30° or more and 80° or less, and the vertex angle of the convex part of the second prism member is 65° or more and 140° or less.