Method of manufacturing display module with light emitting diode free of a split-screen boundary line and display module with light emitting diode

A method of manufacturing a display module comprising:

• providing a first circuit substrate, the first circuit substrate comprising a first base layer, a first conductive wiring layer, and a second conductive wiring layer, the first conductive wiring layer and the second conductive wiring layer being arranged on two opposite surfaces of the first base layer, the first conductive wiring layer comprising a plurality of first pads;
• providing a second circuit substrate, the second circuit substrate comprising a second base layer, a third conductive wiring layer, and a fourth conductive wiring layer, the third conductive wiring layer and the fourth conductive wiring layer being arranged on two opposite surfaces of the second base layer, the third conductive wiring layer comprising a plurality of second pads;
• bonding the first circuit substrate and the second circuit substrate onto a surface of a heat dissipation plate through a first heat conductive adhesive, wherein the first heat conductive adhesive infills a gap between an end face of the first circuit substrate and an end face of the second circuit substrate;
• and
• mounting a plurality of light emitting diodes onto the first conductive wiring layer and the third conductive wiring layer respectively, wherein one of the plurality of light emitting diodes is electrically connected to two of the plurality of first pads, one of the plurality of light emitting diodes is electrically connected to one of the plurality of first pads and one of the plurality of second pads, and one of the plurality of light emitting diodes is electrically connected to two of the plurality of second pads.