Patent ID: 8029176
Filing Date: 2011-10-04
Classification: F21S,F21W

Abstract:
1. A vehicle headlight capable of compensating for light intensity in a dark region, comprising: a lamp holder, comprising a reflector, a case and a lens, the case attached to the front side of the reflector and defining an accommodation space together with the reflector, and the lens installed on the front side of the case; a light source, installed in the accommodation space and disposed along an optical axis, wherein light rays emitted from the light source are refracted by the lens and emitted forwards; a light shield, assembled on the lamp holder, located between the light source and the lens, and used to shield a part of the light rays emitted from the light source; and a light guide having a light transmissive portion, disposed in the accommodation space and located between the light shield and the lens, the light transmissive portion having a light incident surface and a light exit surface, the light incident surface facing the light shield, and the light exit surface facing the lens, wherein the light exit surface increasingly extends backwards from top to bottom, and the light transmissive portion conducts the light rays from the light source towards the lens, such that the light rays conducted from the lens are emitted forwards and upwards.