Briefcase design smart screen

A briefcase design smart screen, wherein

• comprising an upper housing and a lower housing, a rear part of the upper housing is hingedly connected to a rear part of the lower housing, and a front part of the upper housing is locked with a front part of the lower housing;
• a speaker assembly is provided in the upper housing, a control assembly and a display assembly are provided in the lower housing, and the control assembly is electrically connected to the speaker assembly;
• and
• the display assembly includes a support frame, a connecting arm, and a display screen, wherein one end of the support frame is rotatably arranged in the lower housing, another end of the support frame is hingedly connected to one end of the connecting arm, the display screen is rotatably disposed at another end of the connecting arm, and the display screen is electrically connected to the control assembly;
• a bottom box is provided inside the lower housing, an upper surface of the bottom box is a concave surface which matches a shape of the display screen, so that the display screen is received on the concave surface of the bottom box;
• the concave surface of the bottom box is recessed downward to form a receiving groove, and a shape of the receiving groove is adapted to a shape of the support frame, so that the support frame is able to be received in the receiving groove;
• the bottom box is provided with a plurality of receiving portions with top openings to store other accessories, and the opening of each receiving portion is detachably covered with a cover plate;
• the control assembly includes a control mainboard and a power supply, wherein the control mainboard is electrically connected to the power supply, and the control mainboard and the power supply are respectively arranged inside the bottom box.