Patent ID: 8077271

Claim:
A backlight unit comprising: a plurality of lamps; a lower cover whose an upper portion has an opening, the lamps being positioned in an inside space of the lower cover; a lamp guide that allows the lamps to be positioned in the inside space of the lower cover; and an optical member on the lamps, wherein the lamp guide includes: a first support unit positioned on a surface of the inside space of the lower cover, the first support unit including a projection for increasing a reflective area; holder units that are positioned on an upper surface of the first support unit to hold the lamps; a second support unit that is positioned on the upper surface of the first support unit to support the optical member; and a fastening unit that fastens the first support unit to the lower cover, wherein the holder units are positioned at ends of the first support unit in a longitudinal direction of the first support unit with the second support unit interposed between the holder units, and wherein the projection has a line pattern connecting the holder units to the second support unit in a row.