Direct type backlight source with zero light mixing distance and display equipment applying direct type backlight source

The invention discloses a direct type backlight source with zero light mixing distance and display equipment applying the direct type backlight source, and particularly relates to the technical field of backlight sources. The direct type backlight source with the zero light mixing distance comprises a circuit board; the light-emitting modules are located on the circuit board; the reflecting layer is located on the periphery of the light-emitting module, the reflecting layer is fixedly connected to the circuit board, and a gap area exists between the edge of the reflecting layer and the light-emitting module; an optical cavity is formed in one side, close to the circuit board, of the light mixing plate, and the edge of the optical cavity is arranged along the edge position of the reflecting layer; and the reflecting coating is positioned on the light mixing plate and is positioned on one surface, which is not provided with the optical cavity, of the light mixing plate. Wherein at least the part, in the light e