WO WO2026095751A1
According to one embodiment of the present disclosure, a foldable electronic device may be provided. The foldable electronic device comprises: a first housing including a flexible printed circuit board (FPCB) and a first component; a second housing including a second component; a hinge assembly rotatably connecting the first housing and the second housing; a flexible display disposed from the first housing to the second housing across a folding area in which the hinge assembly is disposed; and a flexible printed circuit board (FPCB) electrically connecting the first component and the second component, including a plurality of layers, and including a flex portion corresponding to the folding area and a rigid portion at one end and the other end of the flex portion. In addition, a signal line for transmitting a signal and/or power included in the plurality of layers of the flexible printed circuit board includes a metal material, and includes a first area, a second area, and a third area divided according to the degree of bending in the folding area of the flexible printed circuit board. At least one of the plurality of layers may be formed so that the metal material has different thicknesses in the first area, the second area, and the third area on the same layer. Various other embodiments are also applicable.
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