Light guide plate, backlight module and display device

A backlight module, comprising:

• a light guide plate, wherein a plurality of blind holes is arranged at a first surface of the light guide plate, each of the plurality of blind holes is filled with a light-converting unit, the light-converting unit comprises an accommodating cavity made of a light-transmitting material, and a light-converting material located in the accommodating cavity, and a gap is between an outer wall of the accommodating cavity and an inner wall of each blind hole;
• and
• a light source arranged on a side of a light-entering surface of the light guide plate and configured to excite the light-converting material to emit light.