Backlight module, preparation method thereof and display device

A display device, comprising a backlight module, wherein the backlight module comprises:

• a substrate;
• and
• a plurality of light-emitting elements, a reflection structure and a rubber frame structure, wherein the plurality of light-emitting elements, the reflection structure, the rubber frame structure are located on one side of the substrate, the plurality of light-emitting elements and the reflection structure are located within a limited area of the rubber frame structure, and the reflection structure is located between every two adjacent light-emitting elements of the plurality of light-emitting elements,
• wherein the reflection structure comprises a first reflection surface adjacent to a light-emitting element, and the rubber frame structure comprises a second reflection surface adjacent to the light-emitting element;
• and
• wherein the rubber frame structure is independent of the reflection structure.