Frame device for backlight module and backlight module

The utility model provides a frame device for a backlight module and the backlight module. The frame device comprises a base, a plurality of buckling parts, and an outer frame, wherein the bas comprises a wall, and a sidewall arranged on the wall; the buckling parts are arranged at intervals on the sidewall of the base; in addition, the outer frame comprises a plurality of positioning holes; the buckling parts pass through the positioning holes to be pressed on the outer surface of the outer frame. According to the device, a housing and a cover of the traditional backlight module are saved; the side frame of the backlight module is narrowed, so that a visible area is expanded, and the radiating efficiency is increased.