The present invention provides a method of manufacturing a display module, the display module comprising a display panel and a backlight, The method includes the following steps: placing the display panel and the backlight into contact on a common contact area, the common contact area being defined as a fixation region of a contacting surface of the display panel coinciding with a contacting surface of the backlight, and applying a heat flow in the common contact area to create a local weld connection in the common contact area between the display panel and the backlight.