OPTICAL ELEMENT, LIGHTING UNIT, AND VEHICLE

原文（中国語）

An optical element, a lighting unit and a vehicle are disclosed. The optical element comprises: one or more entry portions for receiving light rays from one or more light sources (); one or more total internal reflection, TIR, surfaces () configured to receive light rays from the one or more entry portions and to focus, by TIR, the light rays received from the one or more entry portions in a vertical direction (y) and in a horizontal direction (x); and one or more exit portions () comprising one or more exit lenses (), wherein the one or more exit lenses comprise a plurality of Fresnel structures configured to collimate and/or spread, in the horizontal direction and/or in the vertical direction, light rays exiting the optical element, wherein the optical element is formed as a monolithic body.