Importance

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Abstract

The application provides a backlight module, a display module, and a display device. The backlight module includes: a back cover including an accommodating space; a reflector, a light guide plate, and an optical sheet arranged in order in the accommodating space of the back cover; LED bars located in the accommodating space of the back cover at the light incidence side of the light guiding late, wherein LED bars include a plurality of LEDs; and a mold frame located above the optical sheet and connected with the back cover; wherein the backlight module further includes: a plurality of light absorbing layer structures and a plurality of light reflecting layer structures arranged between the optical sheet and the mold frame, where orthographic projections of the light absorbing layers onto the bottom plate of the back cover face orthographic projections of the LEDs on the bottom plate of the back cover, and orthographic projections of the light reflecting layers onto the bottom plate of the back cover face orthographic projections of gaps between adjacent LEDs onto the bottom plate of the back cover. The light absorbing layer structures can absorb a part of light rays at bright strips, and the light reflecting layer structures can reflect a part of light rays emitted from the optical sheet back to dark strips so that the light rays at the light incidence side of the backlight module can become more uniform as a whole to thereby weaken the phenomenon of lamp shadow in effect so as to improve the quality of a picture in the display device.

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First Claim