Chip on file display device including the same

A chip on film, comprising:

• a circuit film with a driving integrated circuit (IC) installed thereon, the circuit film having a first pad region and a second pad region;
• a number N of gate-in-panel (GIP) input pads arranged on the first pad region, wherein N is a natural number equal to or greater than 2;
• a first group of N GIP output pads arranged on the second pad region;
• a second group of N GIP output pads arranged on the second pad region;
• a number N of GIP input lines arranged on the circuit film and connected to the GIP input pads;
• a first group of N GIP output lines arranged on the circuit film and connected to the first group of N GIP output pads;
• a second group of N GIP output lines arranged on the circuit film and connected to the second group of N GIP output pads;
• a number N of first connection lines arranged at a first layer of the circuit film and connected to the GIP input lines;
• and
• a number N of second connection lines arranged at a second layer of the circuit film different from the first layer, the second connection lines connected between the GIP output lines and the GIP output lines,
• wherein the first connection lines are separately connected to the second connection lines through a via hole.

A display device, comprising:

• a panel comprising a pixel array;
• first and second gate drivers installed at opposite sides of the panel to drive gate lines of the pixel array;
• and
• a plurality of chips on film on which a plurality of data driving integrated circuits (ICs) for driving data lines of the pixel array are installed on a plurality of circuit films, respectively, and which are connected between the panel and one or more printed circuit boards (PCBs),
• wherein a first chip on film of the plurality of chips on film is connected to the first gate driver, a second chip on film of the plurality of chips on film is connected to the second gate driver, and the first chip on film and the second chip on film each transmit a plurality of gate-in-panel (GIP) driving signals,
• wherein the first chip on film and the second chip on film each include:
• a circuit film with a data driving IC of the plurality of data driving ICs installed thereon, the circuit film having a first pad region and a second pad region;
• a number N of GIP input pads arranged on the first pad region, wherein N is a natural number equal to or greater than 2;
• a first group of N GIP output pads arranged on the second pad region;
• a second group of N GIP output pads arranged on the second pad region;
• a number N of GIP input lines arranged on the circuit film and connected between the GIP input pads and input terminals of a first edge portion of the data driving IC;
• a first group of N GIP output lines arranged on the circuit film and connected between the first group of N GIP output pads and output terminals of a second edge portion of the data driving IC;
• and
• a second group of N GIP output lines arranged on the circuit film and connected between the second group of N GIP output pads and output terminals of a third edge portion of the data driving IC,
• wherein the N GIP input lines are each respectively connected to a first GIP output line of N GIP output lines and connected to a second GIP output line of N GIP output lines through the data driving IC.

A display device, comprising:

• a panel comprising a pixel array;
• first and second gate drivers installed at opposite sides of the panel to drive gate lines of the pixel array;
• and
• a plurality of chips on film on which a plurality of data driving integrated circuits (ICs) for driving data lines of the pixel array are installed on a plurality of circuit films, respectively, and which are connected between the panel and one or more printed circuit boards (PCBs),
• wherein a first chip on film of the plurality of chips on film is connected to the first gate driver, a second chip on film of the plurality of chips on film is connected to the second gate driver, and the first chip on film and the second chip on film each transmit a plurality of gate-in-panel (GIP) driving signals,
• wherein the first chip on film and the second chip on film each include:
• a circuit film with a data driving IC of the plurality of data driving ICs installed thereon, the circuit film having a first pad region and a second pad region;
• a number N of GIP input pads arranged on the first pad region, wherein N is a natural number equal to or greater than 2;
• a first group of N GIP output pads arranged on a second pad region of the circuit film;
• a second group of N GIP output pads arranged on the second pad region;
• a number N of GIP input lines arranged on the circuit film and connected to the GIP input pads;
• a first group of N GIP output lines arranged on the circuit film and connected to the first group of N GIP output pads;
• a second group of N GIP output lines arranged on the circuit film and connected to the second group of N GIP output pads;
• a number N of first connection lines arranged on a first layer of the circuit film and connected to the N GIP input lines;
• and
• a number N of second connection lines arranged at a second layer of the circuit film and connected between the first group of N GIP output lines and the second group of N GIP output lines,
• wherein the first connection lines are separately connected to the second connection lines through a via hole.