Patent attributes
A frame assembly has a front side, a back side, at least one first assembly and a second assembly. The first assembly has multiple assembling portions disposed at spaced intervals. The second assembly has multiple engaging portions disposed at spaced intervals, and each one of the multiple engaging portions has two engaging surfaces disposed at a spaced interval, a bottom surface connected with the two engaging surfaces, and an opening opposed to the bottom surface and located on an outer edge of the second assembly. A width between the two engaging surfaces near the opening is smaller than a width near the bottom surface. Locations of the multiple engaging portions correspond to locations of the assembling portions, and multiple assembling portions and the multiple engaging portions are capable of being engaged together. A backlight module and a display device are also provided.