Lamp having a predeterminable radiation and methods of manufacture for an optical body

Disclosed is a lighting device (1) comprising - an optic body (3), comprising - a main extension direction (Z), - a radiation entrance surface (3a) and - a radiation exit face (3b), and - at least two light emitting diodes (2), each comprising - at least one LED chip (21) and - a radiation passage surface (2a), extending along a main extension plane (XZ), in which - the at least two light emitting diodes (2) along the main extension direction (Z) are arranged in the optical body (3), - the radiation entry face (3a) of the optical body (3) the radiation passage surfaces (2a) of the at least two light emitting diodes (2) faces, - the optical body (3) is formed as a solid body, - the radiation entrance surface (3a) runs of the optical body (3) is flat or is convexly curved, and - the radiation outlet face (3b) of the optical body (3) comprises at least one recess (4) in the optical body (3).