A display panel comprising: a first display substrate; a second display substrate facing and spaced apart from the first display substrate; the second display substrate comprising a second base substrate (BS-2); a non-conductive sealing member disposed between the first display substrate and the second display substrate; and a connection pad coupled to a side surface of the first display substrate and a side surface of the non-conductive sealing member, wherein the first display substrate comprises: a first base substrate (BS-1); a thin film transistor disposed over the first base substrate (BS-1); at least one insulating layer (10, 20, 40) disposed over the first base substrate (BS-1); a pixel electrode disposed over the first base substrate (BS-1) and connected to the thin film transistor; a signal line (PL-G) disposed over the first base substrate (BS-1) and including an end portion (PL-GE) overlapping with the non-conductive sealing member and connected to the connection pad; and characterized in that the display panel further comprises: a conductive sealing member disposed between the first display substrate and the second display substrate and disposed inside the area defined by the non-conductive sealing member in a plan view when viewed in a direction perpendicular to the display substrates; a voltage supply line disposed over the first base substrate (BS-1) and connected to the conductive sealing member, wherein the second display substrate comprises: a common electrode disposed over one surface of the second base substrate, wherein the conductive sealing member electrically connects the common electrode and the voltage supply line. a first display substrate; a second display substrate facing and spaced apart from the first display substrate; the second display substrate comprising a second base substrate (BS-2); a non-conductive sealing member disposed between the first display substrate and the second display substrate; and a connection pad coupled to a side surface of the first display substrate and a side surface of the non-conductive sealing member, wherein the first display substrate comprises: a first base substrate (BS-1); a thin film transistor disposed over the first base substrate (BS-1); at least one insulating layer (10, 20, 40) disposed over the first base substrate (BS-1); a pixel electrode disposed over the first base substrate (BS-1) and connected to the thin film transistor; a signal line (PL-G) disposed over the first base substrate (BS-1) and including an end portion (PL-GE) overlapping with the non-conductive sealing a first base substrate (BS-1); a thin film transistor disposed over the first base substrate (BS-1); at least one insulating layer (10, 20, 40) disposed over the first base substrate (BS-1); a pixel electrode disposed over the first base substrate (BS-1) and connected to the thin film transistor; a signal line (PL-G) disposed over the first base substrate (BS-1) and including an end portion (PL-GE) overlapping with the non-conductive sealing member and connected to the connection pad; and characterized in that the display panel further comprises: a conductive sealing member disposed between the first display substrate and the second display substrate and disposed inside the area defined by the non-conductive sealing member in a plan view when viewed in a direction perpendicular to the display substrates; a voltage supply line disposed over the first base substrate (BS-1) and connected to the conductive sealing member, wherein the second display substrate comprises: a common electrode disposed over one surface of the second base substrate, wherein the conductive sealing member electrically connects the common electrode and the voltage supply line. a conductive sealing member disposed between the first display substrate and the second display substrate and disposed inside the area defined by the non-conductive sealing member in a plan view when viewed in a direction perpendicular to the display substrates; a voltage supply line disposed over the first base substrate (BS-1) and connected to the conductive sealing member, wherein the second display substrate comprises: a common electrode disposed over one surface of the second base substrate, wherein the conductive sealing member electrically connects the common electrode and the voltage supply line. a common electrode disposed over one surface of the second base substrate, wherein the conductive sealing member electrically connects the common electrode and the voltage supply line.