US Patent 10203082 Vehicle lamp

A vehicle lamp includes a plurality of light sources and a light guide plate configured to guide light from the plurality of light sources, the light guide plate has a light diffuser configured to diffuse the light, the light diffuser has a plurality of hole sections, the hole section passes through the light guide plate in a thickness direction thereof and includes a light guide emission surface and a light guide incident surface opposite to each other in a direction in which the light entering from one end surface advances, and a plurality of concave stripe section formed in parallel to a direction crossing with the direction in which the light advances is provided at the light guide emission surface and the light guide incident surface.