Patent ID: 8319910

Claim:
A backlight unit comprising: a panel guide mold that comprises a plurality of first mold units spaced apart from each other and a plurality of second mold units, wherein each one of the plurality of second mold units is disposed between two consecutive first mold units, and wherein the plurality of first mold units are offset in an outward direction relative to the plurality of second mold units to form an alternating, step-like structure; a bottom cover comprising a plurality of first sidewalls spaced apart from each other and a plurality of second sidewalls, wherein each one of the second sidewalls is disposed between two consecutive first sidewalls, wherein the plurality of second sidewalls are offset in an outward direction relative to the plurality of first sidewalls to form an alternating, step-like structure, where the second sidewall protrudes, the second mold unit is recessed, and wherein each of the plurality of the first sidewalls is inserted and coupled to a corresponding one of the plurality of first mold units offset in an outward direction and each of the plurality of second sidewalls offset in an outward direction receives and is coupled to a corresponding one of the plurality of second mold units; and a light supply unit disposed between the panel guide mold and the bottom cover.