| CPC G06F 1/1652 (2013.01) [G06F 1/1624 (2013.01); G06F 1/184 (2013.01); G06F 1/203 (2013.01); H05K 7/205 (2013.01)] | 20 Claims |

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1. An electronic device comprising:
a housing comprising a first housing and a second housing, the second housing configured to move relative to the first housing;
a flexible display supported by at least one of the first housing or the second housing and changeable in form of a display area based on a movement of the second housing relative to the first housing;
a board module disposed inside the housing; and
a seating portion configured to form a seating space receiving the board module and to support the board module,
wherein the board module comprises:
a plurality of circuit boards spaced apart from each other and comprising one or more electrical elements;
at least one interposer comprising at least a portion placed between the plurality of circuit boards and configured to electrically connect at least two circuit boards among the plurality of circuit boards; and
a heat dissipator that is part of, connected to, and/or disposed in, the interposer, and
wherein, in a state in which the board module is accommodated in the seating space, at least a portion of a surface of the heat dissipator contacts the seating portion so that heat generated in the plurality of circuit boards can be transferred to the seating portion.
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