Light-guided warning lamp used in lane change at blind zone of a vehicle

摘要

A warning lamp used in lane change at blind zone of a vehicle includes a light source and a light guide including a light entrance surface, a first reflective surface, a second reflective surface, and a light exit surface, the light entrance surface is located above the light source so that the light emitted from the light source is converted to parallel light through the light entrance surface, said first reflective surface is arranged aslope above the light entrance surface, sides of s the first reflective surface are provided with the second reflective surface and the light exit surface, respectively, the first and second reflective surface are provided with total reflection stripes configured so that said parallel light is totally reflected to the second reflective surface through the first reflective surface and then totally reflected by the second reflective surface to said light exit surface to form uniform warning light.