Display module and display device

A display module, comprising a display panel, a heat dissipation film disposed on a side of the display panel facing away from a display side, and an ultrasonic fingerprint module wherein:

• the heat dissipation film is provided with a first opening, and the ultrasonic fingerprint module comprises a sensor which is disposed in the first opening and fixed on the side of the display panel facing away from the display side by a shading adhesive layer;
• the display module further comprises a light shielding sheet that is attached to a side of the heat dissipation film facing away from the display panel, wherein the light shielding sheet is provided with a second opening which exposes the sensor, and an orthographic projection of the light shielding sheet and the shading adhesive layer on the display panel comprises an orthographic projection of the first opening on the display panel;
• and
• a circumferential edge of the shading adhesive layer protrudes from the sensor, and an area of the light shielding sheet close to the second opening is attached to a portion of the shading adhesive layer protruding from the sensor.