Display module and display device

A display module, comprising:

• a display panel, comprising a display region and a light-transmitting region, wherein the light-transmitting region has a light-transmitting hole;
• a cover film arranged on a light-emitting side of the display panel and covering the display region and the light-transmitting region;
• and
• a transparent supporting structure arranged on one side, facing the cover film, of the display panel;
• wherein the transparent supporting structure covers the light-transmitting hole;
• and
• an orthographic projection of the transparent supporting structure on the cover film and an orthographic projection of the display panel on the cover film have an overlapping region;
• wherein the display module further comprises a polarizer arranged on one side, facing the cover film, of the display panel;
• wherein the polarizer and the transparent supporting structure are arranged on a same layer;
• the polarizer is arranged around the transparent supporting structure;
• and a gap is provided between the polarizer and the transparent supporting structure;
• wherein the display module further comprises a touch layer between the display panel and the polarizer;
• a gap is provided between the touch layer and the transparent supporting structure;
• and a thickness of the transparent supporting structure is equal to a total thickness of the polarizer and the touch layer in a thickness direction of the display panel.