back-up light

A tail light with at least one light source and with a light guide body (1) into which light generated by the light emitting device can be coupled and out of which back-up light can be coupled, and light for illuminating the ground region can be decoupled. The light guide body (1) has a light entry area through which light from the light source can be coupled into the light guide body. The light guide body has at least a first light exit area for the back-up light and a second light exit area for the light for illuminating the ground region, wherein the first and the second light exit areas may overlap. The light guide body has a first reflection surface (12) at which a portion of the coupled-in light can be deflected in the direction of at least one of the light exit areas, and the firstreflecting surface (12) is wholly or at least partially curved and/or wavy. 本发明涉及一种用作倒车探照灯并且用于同时照明在机动车之后的地面区域的尾灯：带有至少一个发光器件；以及带有光导体(1)，由发光器件产生的光可输入耦合到该光导体中并且可由该光导体输出耦合倒车光和用于照明地面区域的光；其中，光导体具有光入射区域(10)，发光器件的光通过该光入射区域可输入耦合到光导体中；