| 摘要 |
The utility model relates to a technology field of liquid crystal display, and more particularly to a backlight module and a backlight device. The backlight module provided by the utility model comprises a light guide plate, a printed circuit board, a heat-dissipating bracket and a first retaining member. There has an optical-coupling distance between a light incidence surface of the light guide plate and the printed circuit board. The light incidence surface of the light guide plate disposes more than two light guide plate protrusions thereon. The first retaining member retains the heat-dissipating bracket, the printed circuit board and the light guide plate together to form an independent module. The technical solution of the utility model can enhance the stability of the optical-coupling distance in the backlight module, realize a simple modularization assembly, simplify a mounting process of the back plate, and improve the assembly convenience.
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