Sound system and display device comprising it

A display device comprising:

• a display unit including a display panel providing an image;
• a housing being apart from the display unit and including an electrical unit;
• and
• a cable electrically connected with the display panel and the electrical unit,
• wherein the electrical unit provides the display panel with a signal and power, and
• wherein the housing comprises:
• a bottom case;
• a top case above the bottom case, the top case including an opening;
• a speaker below the opening;
• a slider between the top case and the speaker, the slider moving linearly along a bottom surface of the top case;
• a cap mounted on the slider, wherein the cap opens and closes the opening of the top case in accordance with the moving of the slider;
• a lead screw near the slider, the lead screw being rotatable;
• and
• a holder fixed to the slider, the holder coupled with the lead screw and moving along an axis of the lead screw in accordance with a rotation of the lead screw.