Substrate for display device and display device

A substrate for a display device, the substrate comprising:

• a signal supply section that supplies a signal;
• a substrate section having an extended outer shape section whose width is extended with distance from the signal supply section and having a display area configured to display an image by utilizing the signal that is supplied by the signal supply section;
• a plurality of lead wires, connected to the signal supply section, that extend along the extended outer shape section to the display area;
• a circuit section that is placed so that the lead wires are interposed between the display area and the circuit section and that is composed of a plurality of unit circuits arranged along the extended outer shape section;
• and
• a plurality of circuit connecting wires, connected to the plurality of unit circuits, respectively, that extend to the display area, wherein
• the plurality of unit circuits include a unit circuit having an extension section that extends away from the signal supply section so as to be interposed between a unit circuit that is adjacent to the unit circuit on a side opposite to the signal supply section and the lead wires,
• each of the unit circuits includes an output transistor that outputs a signal to a corresponding one of the circuit connecting wires, a capacitor forming section that is connected to a gate electrode and a drain electrode that constitute the output transistor, and a plurality of control transistors placed opposite the display area across the output transistor and the capacitor forming section,
• the plurality of unit circuits include a unit circuit whose extension section is constituted by an output transistor and a capacitor forming section that are disposed to extend farther away from the signal supply section than the plurality of control transistors,
• the plurality of unit circuits include a first unit circuit whose extension section is constituted by an output transistor and a capacitor forming section that are arranged along a direction of arrangement of the unit circuit, the lead wires, and the display area and a second unit circuit whose extension section is constituted by an output transistor and a capacitor forming section that are arranged along a cross direction crossing the direction of arrangement,
• the second unit circuit is situated closer to the signal supply section than the first unit circuit,
• the plurality of unit circuits include a third unit circuit whose capacitor forming section is configured to be composed of a first capacitor forming section placed adjacent to the output transistor in the direction of arrangement and a second capacitor forming section placed adjacent to the output transistor in the cross direction, and
• the third unit circuit is situated closer to the signal supply section than the first unit circuit and farther away from the signal supply section than the second unit circuit.

A substrate for a display device, the substrate comprising:

• a signal supply section that supplies a signal;
• a substrate section having an extended outer shape section whose width is extended with distance from the signal supply section and having a display area configured to display an image by utilizing the signal that is supplied by the signal supply section;
• a plurality of lead wires, connected to the signal supply section, that extend along the extended outer shape section to the display area;
• a circuit section that is placed so that the lead wires are interposed between the display area and the circuit section and that is composed of a plurality of unit circuits arranged along the extended outer shape section;
• and
• a plurality of circuit connecting wires, connected to the plurality of unit circuits, respectively, that extend to the display area, wherein
• the plurality of unit circuits include a unit circuit having an extension section that extends away from the signal supply section so as to be interposed between a unit circuit that is adjacent to the unit circuit on a side opposite to the signal supply section and the lead wires,
• each of the unit circuits includes an output transistor that outputs a signal to a corresponding one of the circuit connecting wires, a capacitor forming section that is connected to a gate electrode and a drain electrode that constitute the output transistor, and a plurality of control transistor placed opposite the display area across the output transistor and the capacitor forming section,
• the plurality of unit circuits include a unit circuit whose extension section is constituted by a capacitor forming section that is disposed to extend farther away from the signal supply section than the plurality of control transistors and the output transistor, and
• the plurality of unit circuits include a unit circuit whose capacitor forming section is divided into a first divided capacitor forming section placed opposite the display area across the output transistor and a second divided capacitor forming section situated closer to the display area than the output transistor, whose extension section is constituted by the second divided capacitor forming section being disposed to extend farther away from the signal supply section than the output transistor and the first divided capacitor forming section.