A display device comprising: a first chip-on-glass block including sub-pixels configured to receive output signals from a first drive integrated circuit mounted in a first COG area (COG Area A); a second COG block including sub-pixels configured to receive output signals from a second drive integrated circuit mounted in a second COG area (COG Area B); wherein in each of the first COG area (COG Area A) and the second COG area (COG Area B), a plurality of input pads and a plurality of output pads are positioned so as to be connected with the respective drive integrated circuit of the first and second drive integrated circuits; wherein in each of the first and second COG area (COG Area A; COG Area B), the output pads of the plurality of output pads are positioned to supply gate signals to the sub-pixels via link lines and gate lines; an equipotential line (EQ_L) extended from the first COG area (COG Area A) to the second COG area (COG Area B); and a shorting bar and a set of shorting lines extended from the shorting bar provided in each of the first COG area (COG Area) and the second COG area (COG Area B), said each set of shorting lines including shorting lines extending between the shorting bar and the output pads of the plurality of output pads and a shorting line that is extended between the equipotential line (EQ_L) and the shorting bar of the respective COG area (COG Area A; COG Area B); wherein, in each of the first COG area (COG Area A) and the second COG area (COG Area B), said shorting line extended between the equipotential line (EQ_L) and the shorting bar is cut at a location corresponding to a laser trimmed line so that the equipotential line (EQ_L) is electrically insulated from the shorting bar of the first COG area (COG Area A) and the shorting bar of the second COG area (COG Area B); characterized in that in each COG area (COG Area A; COG Area B), the shorting bar is placed between an input pad area, where the plurality of input pads is disposed, and an output pad area, where the plurality of output pads is disposed. a first chip-on-glass block including sub-pixels configured to receive output signals from a first drive integrated circuit mounted in a first COG area (COG Area A); a second COG block including sub-pixels configured to receive output signals from a second drive integrated circuit mounted in a second COG area (COG Area B); wherein in each of the first COG area (COG Area A) and the second COG area (COG Area B), a plurality of input pads and a plurality of output pads are positioned so as to be connected with the respective drive integrated circuit of the first and second drive integrated circuits; wherein in each of the first and second COG area (COG Area A; COG Area B), the output pads of the plurality of output pads are positioned to supply gate signals to the sub-pixels via link lines and gate lines; an equipotential line (EQ_L) extended from the first COG area (COG Area A) to the second COG area (COG Area B); and a shorting bar and a set of shorting lines extended from the shorting bar provided in each of the first COG area (COG Area) and the second COG area (COG Area B), said each set of shorting lines including shorting lines extending between the shorting bar and the output pads of the plurality of output pads and a shorting line that is extended between the equipotential line (EQ_L) and the shorting bar of the respective COG area (COG Area A; COG Area B); wherein, in each of the first COG area (COG Area A) and the second COG area (COG Area B), said shorting line extended between the equipotential line (EQ_L) and the shorting bar is cut at a location corresponding to a laser trimmed line so that the equipotential line (EQ_L) is electrically insulated from the shorting bar of the first COG area (COG Area A) and the shorting bar of the second COG area (COG Area B); characterized in that in each COG area (COG Area A; COG Area B), the shorting bar is placed between an input pad area, where the plurality of input pads is disposed, and an output pad area, where the plurality of output pads is disposed.