Hot-cold tactile presentation device, wearable terminal, itch-suppressing device, icing device, massage device, oral retainer, and tableware

A hot-cold tactile presentation device comprising:

• a plurality of thermoelectric elements arranged in a matrix by placing the thermoelectric elements side by side along a first and a second direction respectively;
• a plurality of first row lines each extending in the first direction;
• a plurality of column lines each extending in the second direction;
• and
• a plurality of first diodes that are provided corresponding to each of the plurality of thermoelectric elements, a cathode of each of the plurality of first diodes being connected to one end of a corresponding thermoelectric element of the plurality of thermoelectric elements, wherein
• the plurality of first row lines are each connected, via a corresponding first diode of the plurality of first diodes, to the one end of each of the plurality of thermoelectric elements that align in the first direction, and
• the plurality of column lines are each connected to an other end of each of the plurality of thermoelectric elements that align in the second direction.