Thermoelectric module and thermoelectric device comprising same

A thermoelectric device including a plurality of thermoelectric groups connected in series between a first terminal and a second terminal, the first terminal and the second terminal provided in a plate shape deformable to a curved surface, having a first surface and a second surface opposite the first surface as a main surface, and configured to receive power from the outside, including:

• wherein the plurality of thermoelectric groups include:
• a first thermoelectric group configured to provide any one of a feeling of coldness and a feeling of warmth toward the first surface when the power is applied, and including an N-type semiconductor and a P-type semiconductor disposed between the first surface and the second surface, and an electrode configured to alternately connect an N-type semiconductor and a P-type semiconductor and disposed adjacent to any one surface of the main surface, and
• a second thermoelectric group providing the other of the feeling of coldness and the feeling of warmth toward the first surface when the power is applied, and including an N-type semiconductor and a P-type semiconductor disposed between the first surface and the second surface, and an electrode configured to alternately connect an N-type semiconductor and a P-type semiconductor and disposed adjacent to any one surface of the main surfaces,
• wherein one end electrically adjacent to the first terminal of an electrode disposed adjacent to the first surface among the electrode of the second thermoelectric group is connected to the P-type semiconductor, when one end electrically adjacent to the first terminal of an electrode disposed adjacent to the first surface among the electrode of the first thermoelectric group is connected to the N-type semiconductor,
• wherein the one end electrically adjacent to the first terminal of the electrode disposed adjacent to the first surface among the electrode of the second thermoelectric group is connected to the N-type semiconductor, when the one end electrically adjacent to the first terminal of the electrode disposed adjacent to the first surface among the electrode of the first thermoelectric group is connected to the P-type semiconductor, and
• wherein the first thermoelectric group and the second thermoelectric group are connected through a connection electrode, and the connection electrode connects the N-type semiconductor of the first thermoelectric group and the N-type semiconductor of the second thermoelectric group or connects the P-type semiconductor of the first thermoelectric group and the P-type semiconductor of the second thermoelectric group.