Display panel, display module and display device

A display module, comprising:

• a display panel, comprising a plurality of pixels, at least part of the plurality of pixels comprising a photosensitive unit and a plurality of light-emitting units, the plurality of light-emitting units comprising a first light-emitting unit, the first light-emitting unit configured to emit at least a first visible light, and the photosensitive unit configured to detect the first visible light;
• and
• a light guiding layer provided above the plurality of pixels, comprising a plurality of light guiding structures, the first visible light emitted by the first light-emitting unit being received by a corresponding photosensitive unit through a corresponding light guiding structure;
• wherein in one pixel, the first light-emitting unit has a first center line, the first center line is a straight line passing through a center of the first light-emitting unit in a vertical direction, the photosensitive unit has a second center line, the second center line is a straight line passing through a center of the photosensitive unit in the vertical direction, the light guiding structure corresponding to the photosensitive unit has a third center line, the third center line is a straight line passing through a center of the light guiding structure corresponding to the photosensitive unit in the vertical direction, a first shortest distance is a shortest distance between the second center line and the first center line, a second shortest distance is a shortest distance between the third center line and the first center line, and the first shortest distance is greater than the second shortest distance.