Optical element, lighting device and vehicle

The utility model relates to an optical element, which is used for realizing a first light function and a second light function, the second light function is different from the first light function, the optical element comprises at least one light source, a first light guide unit and a second light guide unit, wherein the at least one light source is configured to emit light for the first light function and the second light function, and emit light at least towards the first light guide unit; the first light guide unit is arranged at the upstream of the second light guide unit in the main emergent direction of the optical element, and at least one part of light from the first light guide unit is emergent through the second light guide unit. The utility model further relates to a lighting device and a vehicle. 本实用新型涉及一种光学元件，用于实现第一光功能和第二光功能，所述第二光功能不同于所述第一光功能，所述光学元件包括至少一个光源、第一导光单元和第二导光单元，其中：所述至少一个光源被配置为发射用于所述第一光功能和所述第二光功能的光线，并且至少朝向所述第一导光单元发射光线；所述第一导光单元在所述光学元件的主出射方向上布置在所述第二导光单元的上游，来自所述第一导光单元的光的至少一部分经由所述第二导光单元出射。本