Light emitter and vehicle lamp

A light emitter comprising a planar Lichtemittierkorper (22) is emitted a light emitting portion (41) having a planar surface of the light and a non-light emitting portion (42, 43) from which no light is emitted, wherein the non-light emitting portion (42, 43) is arranged adjacent to the light emitting portion (41); and a transparent member (24) which is mounted such that it has the plan Lichtemittierkorper covered, and a recessed portion (44, 46) which is provided at a position facing the non-light emitting portion (42, 43) ,