Portable display device

A display device, comprising;

• a case having a first case, and a second case hinge-coupled together by forming an inner space;
• a display module located inside the case;
• a link located between the first case and a rear surface of the display module to vary a position of the display module by changing an angle;
• and
• an audio output unit located in the second case, the audio output unit comprising:
• a sound housing having a first surface coupled to the second case;
• a speaker located on a second surface of the sound housing and outputting sound in a front direction perpendicular to the second surface of the sound housing;
• and
• a sound guide formed on the second surface of the sound housing and positioned closer to an end portion of the second case than the speaker
• wherein the sound guide has an inclined surface protruding further in the front direction, toward the end portion of the second case from the speaker to spread sound from the speaker to the end of the second case.