An airtight container includes a first substrate and a second substrate facing the first substrate and joined thereto using joint members. The first substrate has a groove extending on a surface of the first substrate and a wiring provided along a direction of the extended groove. The wiring includes a section inside and along the groove and a section outside the groove and extending from the section inside the groove, and the first substrate includes joint members provided on and across the section of the wiring outside the groove. In addition, a frame is joined on the second substrate by second joint members and is interposed between the first substrate and the second substrate. The frame is joined to the first substrate by the first joint members.