A device (10, 10A) comprising a first sealing member, a second sealing member, the first sealing member and the second sealing member overlap with each other, a first circuit member and a second circuit member, wherein the first sealing member comprises, as a base of the first sealing member, a first film formed of a film and comprises a frame film formed of a film and provided on the first film, wherein the first film is formed with an opening; the opening is surrounded by an edge portion which forms a closed path; the frame film has a closed path shape and a center hole, at least one of the first circuit member and the second circuit member comprises an exposed portion (402, 502) and a seal portion (404, 504); the exposed portion (402, 502) and the seal portion (404, 504) face the first film at the opening, the seal portion (404, 504) surrounds the exposed portion (402, 502) throughout its entire circumference; the frame film has a film-seal portion and a circuit-seal portion; the film-seal portion is bonded to the first film so as to surround the opening throughout its entire circumference; the circuit-seal portion is bonded to the seal portion (404, 504) so as to surround the exposed portion (402, 502) throughout its entire circumference; the device (10, 10A) is formed with a closed space; the closed space is enclosed by the first sealing member and the second sealing member except for the exposed portion (402, 502) and is shut off from an outer space located outside the device (10, 10A); the exposed portion (402, 502) is exposed to the outer space located outside the device (10, 10A); the first circuit member and the second circuit member except the exposed portion (402, 502) are shut in the closed space sandwiched between the first sealing member and the second sealing member; the first circuit member comprises a first contact point; the second circuit member comprises a second contact point; and the first contact point and the second contact point are pressed against each other because of air pressure difference between the inside and the outside of the closed space to be in contact with each other in the closed space without using a fixing member, wherein the first circuit member and the second circuit member are easily separable. the first sealing member comprises, as a base of the first sealing member, a first film formed of a film and comprises a frame film formed of a film and provided on the first film, wherein the first film is formed with an opening; the opening is surrounded by an edge portion which forms a closed path; the frame film has a closed path shape and a center hole, at least one of the first circuit member and the second circuit member comprises an exposed portion (402, 502) and a seal portion (404, 504); the exposed portion (402, 502) and the seal portion (404, 504) face the first film at the opening, the seal portion (404, 504) surrounds the exposed portion (402, 502) throughout its entire circumference; the frame film has a film-seal portion and a circuit-seal portion; the film-seal portion is bonded to the first film so as to surround the opening throughout its entire circumference; the circuit-seal portion is bonded to the seal portion (404, 504) so as to surround the exposed portion (402, 502) throughout its entire circumference; the device (10, 10A) is formed with a closed space; the closed space is enclosed by the first sealing member and the second sealing member except for the exposed portion (402, 502) and is shut off from an outer space located outside the device (10, 10A); the exposed portion (402, 502) is exposed to the outer space located outside the device (10, 10A); the first circuit member and the second circuit member except the exposed portion (402, 502) are shut in the closed space sandwiched between the first sealing member and the second sealing member; the first circuit member comprises a first contact point; the second circuit member comprises a second contact point; and the first contact point and the second contact point are pressed against each other because of air pressure difference between the inside and the outside of the closed space to be in contact with each other in the closed space without using a fixing member, wherein the first circuit member and the second circuit member are easily separable.