High-brightness backlight source for vehicle-mounted illumination

The high-brightness backlight source comprises a light guide plate and a light source body, the light guide plate body is in a cuboid shape, the light source body is cylindrical, and the light sourcebody is located on one side of the light guide plate body and makes contact with the light guide plate body; the lower diffusion film is located above the light guide plate and tightly attached to theupper side face of the light guide plate, and the size of the lower diffusion film is the same as that of the upper side face of the light guide plate; the upper diffusion film is located above the light guide plate and tightly attached to the upper side face of the lower diffusion film, and the size of the upper diffusion film is the same as that of the lower diffusion film. The utility model discloses a high-brightness backlight source for vehicle-mounted illumination, which applies an illumination-type backlight source to a vehicle and provides a light source in a dark condition. 本实用新型公开了一种车载照明用高亮度背光源，包括导光板和光源，所述导光