A two-panel display device includes first source driver ICs arranged at one side of a first display area, supplying a first data voltage, second source driver ICs arranged at one side of a second display area arranged to adjoin the first display area, supplying a second data voltage, and at least one or more read out ICs arranged between the first display area and the second display area, being supplied with sensing voltages sensed in the first and second display areas, wherein the first source driver ICs are arranged in a direction opposite to the read out ICs with the first display area interposed therebetween, and the second source driver ICs are arranged in a direction opposite to the read out ICs with the second display area interposed therebetween.