Patent ID: 7722229

Claim:
A frame of a backlight module, the frame comprising: a main frame having a base and a plurality of sidewalls extending from the peripheral of the base to define an opening, wherein at least one stepped element is formed at a top of one sidewall, the at least one stepped element includes a tread portion extending from the sidewall toward an inner area of the main frame, a riser portion extending relatively perpendicular from the end of the tread portion away from the base; and a receiving frame having a frame body, a rim portion extending from a bottom of the frame body toward an inner area of the frame body, and at least one groove defined in the rim portion corresponding to the stepped element; wherein the corresponding stepped element inserts into the groove of the receiving frame, with the frame body of the receiving frame positioned between the riser portion of the at least one stepped element and the sidewalls of the main frame, such that the tread portion of the at least one stepped element supports the receiving frame.