Patent attributes
A light emitting device includes a planar light emitting body configured to emit light in a planar shape, and a transparent member configured to control the light from the planar light emitting body. The transparent member has a light incidence surface arranged so as to face a light emitting surface of the planar light emitting body and configured to cause the light from the planar light emitting body to be incident on the transparent member and a light emission surface configured to emit, to the outside, the light which is propagated in the transparent member. The transparent member is formed so as to extend in a predetermined direction and formed such that a distance between the light incidence surface and the light emission surface changes in accordance with a position in the predetermined direction.
