Abstract: A backlight module includes a housing including a bottom plate and side plates, forming a receiving cavity; a backlight source received in the receiving cavity, and including a plurality of LED lights each having a light-emitting center portion for projecting light in a first direction; and a light guide plate received in the receiving cavity, and including a light receiving edge surface facing the backlight source and extending in a second direction, a light-exiting top surface, and a bottom surface. First regions are included on a portion of the bottom surface of the light guide plate close to the light receiving edge surface in one-to-one correspondence to the light-emitting center portion of each LED light of the plurality of LED lights, each of the plurality of first regions having at least one first groove arranged in the first direction and extending in the second direction.

Abstract: A backlight module and a display device are provided. The backlight module includes a housing, a backlight source and a light guide plate. The housing includes a bottom plate and side plates, and the side plates and the bottom plate form a receiving cavity for accommodating the backlight source and the light guide plate. The backlight source includes a plurality of LED lights, and each LED light includes a light-opening portion at center. The light-opening portion has a light-existing side that is opposite to the light guide plate. A plurality of first regions is included on a side of the light guide plate close to the backlight source. The plurality of first regions is in one-to-one correspondence with the light-opening portions. At least one first groove is included on a side of each first region close to the bottom plate.