LIGHTING DEVICE AND LAMP

A lighting device disclosed in an embodiment of the invention comprises: a first light source portion; an optical member disposed obliquely on the first light source portion; and a second light source portion disposed on the other side of the optical member, wherein the second light source portion is disposed in a direction perpendicular to an optical axis of the first light source portion, the optical member transmits first light emitted from the first light source portion and reflects second light emitted from the second light source portion, and each of the first and second lights emitted through the optical member is linear light or surface light, and may be provided as an superimposing three-dimensional image.