Electroluminescence display device

An electroluminescence display device, comprising:

• a display panel having a display portion in which pixels are arranged in a matrix;
• and
• a first driver circuit which structured to perform a relatively high speed circuit operation and a second driver circuit structured to perform a relatively low speed circuit operation, each of which is formed at a periphery of the display portion and each of which drives the pixels, wherein
• an external connection terminal is placed on a first side of the display panel;
• the second driver circuit is placed on a second side of the display panel which opposes the first side;
• the first driver circuit is placed on a third side of the display panel which is one of two sides connecting the first side and the seconds side;
• the first driver circuit is connected to the external connection terminal through a first line and the second driver circuit is connected to the first line through a second line;
• and
• the first line is wider than the second line.

An electroluminescence display device, comprising:

• a display panel having a display portion in which pixels are arranged in a matrix and a first driver circuit and a second driver circuit each of which is formed at a periphery of the display portion and each of which drives the pixels, wherein
• an external connection terminal is placed on a first side of the display panel;
• the second driver circuit is placed on a second side of the display panel which opposes the first side;
• the first driver circuit is placed on a third side of the display panel which is one of two sides connecting the first side and the second side;
• each of the first driver circuit and the second driver circuit includes a shift register and a selection signal output circuit which outputs a selection signal for turning a selection transistor of the pixel ON at predetermined timing;
• the first driver circuit or the second driver circuit is connected to the external connection terminal through a high voltage side power supply line and a low voltage side power supply line;
• and
• the high voltage side power supply line is formed of a plurality of lines.

An electroluminescence display device comprising:

• a display portion in which pixels are arranged in a matrix;
• a first driver circuit which performs a relatively high speed circuit operation and a second driver circuit which performs a relatively low speed circuit operation, each of which being formed at a periphery of the display portion and each of which driving the pixels;
• and
• a drive current common line for supplying an electroluminescence element;
• wherein external connection terminals of the display device are placed on a first side of the display device;
• the second driver circuit is placed on a second side of the display device which opposes the first side;
• the first driver circuit is placed on a third side of the display device which is one of two sides connecting the first side and the second side;
• the external connection terminals include a second terminal connected to the second driver circuit, a first terminal for the first driver circuit, and a terminal for a pixel drive power supply, and
• an order of arrangement of these terminals is, from an upper side along the vertical scan direction of the display panel, the terminal for the horizontal scan driver circuit, the terminal for the cathode power supply, and the terminal for the pixel drive power supply;
• wherein a line which connects the second terminal to the second driver circuit is placed such that the line passes through a region between the first driver circuit and an edge of the electroluminescence display device.

An electroluminescence display device comprising:

• a display portion provided on a display panel, the display portion comprising pixels arranged in a matrix;
• and
• a first driver circuit and a second driver circuit, each of which being formed at a periphery of the display portion and each of which driving the pixels;
• wherein an external connection terminal is placed on a first side of the display panel;
• the second driver circuit is placed on a second side which opposes the first side;
• the first driver circuit is placed on a third side which is one of two sides connecting the first side and the second side;
• the first driver circuit or the second driver circuit is connected to the external connection terminal through a plurality of high voltage side power supply lines and a low voltage side power supply line;
• and
• the plurality of high voltage side power supply lines are connected with each other via a bridge circuit.