Information output device

An information output apparatus comprising:

• a casing comprising an expression surface and an expression hole formed in the expression surface;
• a protrusion configured to cause information to be expressed on the expression surface based on at least a part of the protrusion protruding from the expression hole of the expression surface;
• a driving module located inside the casing and connected to the protrusion to move the protrusion;
• and
• a skin module located facing the expression surface, the skin module comprising a film having a first surface and a second surface opposite to the first surface, the first surface facing the expression surface,
• wherein the casing comprises an active region in which the protruding of the protrusions are activated and a non-active region outside the active region,
• wherein the film is separated from the expression surface in the active region, and
• wherein the skin module comprises a spacer located between the film and the casing in the non-active region.