Patent ID: 8767140

Claim:
A backlight module, comprising: a metal rear plate, comprising a bottom plate extending horizontally, a side edge structure erected at the periphery of the bottom plate, and a bended structure extending horizontally and connected to the side edge structure, bottom plate, the side edge structure and bended structure being formed of a single piece; a light guide plate, located above the bottom plate, and side edges of the light guide plate being surrounded by the bottom plate, the side edge structure, and the bended structure of the metal rear plate; an optical sheet, located above the light guide plate; a light strip structure, disposed at the inner side of the side edge structure of the metal rear plate and located at a side of light guide plate, and including a circuit substrate and a light source disposed on the circuit substrate; and an outer frame, mounted on the outer side of the metal rear plate so as to surround side edges of the metal rear plate, wherein, the bended structure is provided with a first protruding structure extending toward the light strip structure to a level higher than the top of the light source in a vertical direction that is perpendicular to the bottom plate, the bottom plate is provided with a second protruding structure extending toward the light strip structure to a level lower than the bottom of the light source in the vertical direction, the circuit substrate of the light strip structure is fixed on the side edge structure by the first and second protruding structures, the side edge structure is provided with a first opening aligned with the light source, and the outer frame is provided with a second opening corresponding to the first opening.