Display panel and display device

A display device, comprising:

• a display panel, including:
• a plurality of pixel circuits and corresponding light-emitting elements, wherein a pixel circuit includes a driving transistor, and the driving transistor is configured to provide a driving current for the light-emitting element;
• a reset signal line, an initialization signal line and a bias adjustment signal line, wherein the reset signal line is configured to provide a reset signal to a gate of the driving transistor, the initialization signal line is configured to provide an initialization signal to the light-emitting element, and the bias adjustment signal line is configured to provide a bias adjustment signal for the driving transistor;
• and
• a first display area and a second display area, wherein the second display area includes a transmission area, the first display area includes a first reset signal line, a first initialization signal line and a first bias adjustment a signal line that are directly electronically connected to a first pixel circuit, and the second display area includes a second reset signal line, a second initialization signal line and a second bias adjustment signal line that are directly electronically connected to a second pixel circuit,
• wherein:
• a resistivity of the first reset signal line is ρ11, a resistivity of the first initialization signal line is ρ12, a resistivity of the first bias adjustment signal line is ρ13, a resistivity of the second reset signal line is ρ21, a resistivity of the second initialization signal line is ρ22, and a resistivity of the first bias adjustment signal line is ρ23;
• ρ11+ρ12+ρ13≤ρ21+ρ22+ρ23;
• a functional device is correspondingly disposed in the transmission area;
• and
• the functional device receives or reflects light through the transmission area,
• and wherein:
• the first reset signal line and the second reset signal line are disposed in different layers in a direction perpendicular to a surface of the display panel;
• and/or
• the first initialization signal line and the second initialization signal line are disposed in different layers in the direction perpendicular to the surface of the display panel;
• and/or
• the first bias adjustment signal line and the second bias adjustment signal line are disposed in different layers in the direction perpendicular to the surface of the display panel.