An electronic device comprising: a first housing including a first space ; a second housing including a second space ; a hinge configured to couple the first housing and the second housing rotatably with respect to each other; a display panel including a first flexible printed circuit board, FPCB, , the display panel being supported by the first housing and the second housing ; a window supported by the first housing , the hinge and the second housing , wherein the display panel is positioned under the window and disposed to be viewable through at least a part of the window ;a polymer member positioned under at least a part of the display panel; a first conductive member positioned under the polymer member in the first space of the first housing ; a second conductive member positioned under the polymer member in the second space of the second housing ; a first printed circuit board, PCB, positioned under the first conductive member in the first space of the first housing , the first PCB including a ground electrically connected to the first FPCB ; a second printed circuit board, PCB, positioned under the second conductive member in the second space of the second housing , a supporting member disposed between the second PCB and the second conductive member , the supporting member including at least one conductive portion electrically connected to the second PCB ; and at least one second FPCB electrically connecting the first PCB to the second PCB , wherein the first FPCB is electrically connected to the first conductive member in the first space of the first housing through a first conductive adhesive member , the at least one conductive portion is electrically connected to the second conductive member in the second space of the second housing through a second conductive adhesive member , and the at least one conductive portion is electrically connected to the ground of the first PCB through the second PCB and the at least one second FPCB . a first housing including a first space ; a second housing including a second space ; a hinge configured to couple the first housing and the second housing rotatably with respect to each other; a display panel including a first flexible printed circuit board, FPCB, , the display panel being supported by the first housing and the second housing ; a window supported by the first housing , the hinge and the second housing , wherein the display panel is positioned under the window and disposed to be viewable through at least a part of the window ;a polymer member positioned under at least a part of the display panel; a first conductive member positioned under the polymer member in the first space of the first housing ; a second conductive member positioned under the polymer member in the second space of the second housing ; a first printed circuit board, PCB, positioned under the first conductive member in the first space of the first housing , the first PCB including a ground electrically connected to the first FPCB ; a second printed circuit board, PCB, positioned under the second conductive member in the second space of the second housing , a supporting member disposed between the second PCB and the second conductive member , the supporting member including at least one conductive portion electrically connected to the second PCB ; and at least one second FPCB electrically connecting the first PCB to the second PCB , wherein the first FPCB is electrically connected to the first conductive member in the first space of the first housing through a first conductive adhesive member , the at least one conductive portion is electrically connected to the second conductive member in the second space of the second housing through a second conductive adhesive member , and the at least one conductive portion is electrically connected to the ground of the first PCB through the second PCB and the at least one second FPCB . <EOS>