Pixel driving circuit, display panel and display apparatus

A display panel, comprising a plurality of pixel units, the display panel being divided into an irregular-shaped region and a regular-shaped region, each of the pixel units in the regular-shaped region comprising at least one first pixel driving circuit, and each of the pixel units in the irregular-shaped region comprising at least one second pixel driving circuit, wherein

• each of the at least one first pixel driving circuit and each of the at least one second pixel driving circuit comprise:
• a substrate, and a driving unit, a light emitting unit, a storage unit, a reset unit, a light emitting control unit, a data writing unit, a second power supply line and a first connection line on the substrate, wherein
• the driving unit, the storage unit, the data writing unit and the reset unit are coupled to a first node, the driving unit, the light emitting control unit and the data writing unit are coupled to a second node, and the driving unit, the light emitting control unit and the data writing unit are coupled to a third node;
• the reset unit is configured to adjust a voltage of the first node according to a voltage provided by a first voltage terminal;
• a first terminal of the storage unit is coupled to the first node, and a second terminal of the storage unit is coupled to a second voltage terminal and then is coupled to the second power supply line;
• the driving unit is configured to drive the light emitting unit to emit light;
• the data writing unit is configured to write a data signal supplied from a data line terminal to the driving unit by adjustment of the storage unit;
• and
• the light emitting control unit is configured to write a display current to the light emitting unit by controlling the driving unit;
• wherein
• in the at least one second pixel driving circuit, the first connection line is coupled to a gate of at least one transistor in the data writing unit, the first connection line comprises at least a first section and a second section coupled to each other, a width of the first section is greater than a width of the second section, the second power supply line and the first connection line are in different layers, an orthographic projection of the first connection line on the substrate and an orthographic projection of the second power supply line on the substrate overlap with each other to form a first overlapping region,
• in the at least one first pixel driving circuit, the first connection line is coupled to a gate of at least one transistor in the data writing unit, the second power supply line and the first connection line are in different layers, an orthographic projection of the first connection line on the substrate and an orthographic projection of the second power supply line on the substrate overlap with each other to form a third overlapping region, and
• an area of the first overlapping region is greater than an area of the third overlapping region.