Backlight unit and display device

A backlight unit, comprising:

• a bottom cover;
• a light emitting module including a plurality of light sources in the bottom cover;
• a light guide plate at one side of the light emitting module in the bottom cover;
• an optical sheet on the light guide plate;
• a support member hooked or screwed with the bottom cover, in which a part of the support member is placed on the optical sheet to make contact with a top surface of the optical sheet so that a bottom surface of the optical sheet contacts to the light guide plate;
• and
• a top cover provided on the support member and coupled with the bottom cover, wherein the light sources are interposed between the support member and the bottom cover, and wherein the support member includes a first support member coupled with a first longer side of the bottom cover, a second support member coupled with a first shorter side of the bottom cover, a third support member coupled with a second shorter side of the bottom cover, and a fourth support member coupled with a second longer side of the bottom cover.

A backlight unit comprising:

• a bottom cover;
• a light emitting module including a plurality of light sources in the bottom cover;
• a light guide plate at one side of the light emitting module in the bottom cover;
• an optical sheet on the light guide plate;
• a support member press-fitted and screwed with the bottom cover, in which a part of the support member is placed on the optical sheet to make contact with a top surface of the optical sheet so that a bottom surface of the optical sheet contacts to the light guide plate;
• and
• a top cover provided on the support member and coupled with the bottom cover, wherein the light sources are interposed between the support member and the bottom cover, wherein at least a part of the support member is provided inside the bottom cover, and at least a part of the support member is provided outside the bottom cover so that the support member is press-fitted with a sidewall of the bottom cover.