Drive circuit, matrix substrate, and display device

2:

• The drive circuit according to claim 1, wherein
• the circuit element group includes a transistor group including a transistor as the circuit element, and
• in a case of the transistor group including a plurality of transistors,
• a gate electrode of a transistor included in the transistor group is connected to a gate electrode of a different transistor included in the transistor group by the second-type wire,
• a drain electrode of the transistor included in the transistor group is connected to a drain electrode of the different transistor included in the transistor group by the second-type wire, and
• a source electrode of the transistor included in the transistor group is connected to a source electrode of the different transistor included in the transistor group by the second-type wire.

3:

• The drive circuit according to claim 2, wherein
• at least one transistor group
• includes the plurality of transistors, and
• is overlapped with the at least one first-type wire in plan view so that the first-type wire is overlapped with the second-type wire.

5:

• The drive circuit according to claim 2, wherein
• the first conductive layer, an insulating film, the second conductive layer, an insulating film, the semiconductor layer, and the third conductive layer are layered in this order on an insulating substrate, and
• in the transistor group that is overlapped or in contact with the at least one first-type wire,
• the gate electrode of the transistor is formed by the second conductive layer,
• the drain electrode and the source electrode of the transistor are formed by the third conductive layer, and
• the channel of the transistor is formed by the semiconductor layer.

6:

• The drive circuit according to claim 1, wherein
• the first conductive layer, an insulating film, the second conductive layer, an insulating film, and the third conductive layer are layered in this order or
• the second conductive layer, the insulating film, the third conductive layer, the insulating film, and the first conductive layer are layered in this order
• on an insulating substrate.

7:

• A matrix substrate comprising
• an insulating substrate that has
• a peripheral region where the drive circuit according to claim 1 and a trunk wire that supplies an input to the drive circuit are arranged and
• a display region where the output lines are arranged as scanning lines.

9:

• The matrix substrate according to claim 7, wherein
• at least one of the unit circuits includes an output transistor group, which drives a corresponding output line, as one circuit element group, and
• when the output transistor group includes a single transistor, one of a source electrode and a drain electrode of the transistor is connected to a corresponding scanning line, and
• when the output transistor group includes a plurality of transistors, one of a source electrode and a drain electrode of at least one of the transistors is connected to a corresponding scanning line.