A circuit board structure is provided. The circuit board structure includes a first circuit board including a first surface, a second circuit board including a second surface facing the first surface, a plurality of first coupling members coupled at the first surface, a plurality of second coupling members coupled at the second surface and configured to be physically coupled with the plurality of first coupling members, and a frame extended between the first surface and the second surface, and including a plurality of openings configured to accommodate the plurality of first coupling members and the plurality of second coupling members, wherein the plurality of first coupling members and the plurality of second coupling members are configured to provide electrical connections between the first circuit board and the second circuit board.