| 摘要 |
Disclosed is a backlight module, comprising a back frame (1), a light guide plate (2) arranged in the back frame (1) and a cushion (3), wherein the back frame (1) comprises a bottom edge (11) and a plurality of side edges (12) perpendicular to the bottom edge (11), the cushion (3) is arranged between the side edges (12) of the back frame (1) and the light guide plate (2) so as to fix the light guide plate (2) into the back frame (1), and the cushion (3) is elastic; and an air chamber (31) is arranged in the cushion (3), a non-contact portion of the outer wall of the cushion (3) is provided with at least one vent hole (32), and the air chamber (31) is in communication with external air by means of the vent hole (32). By means of the above-mentioned method, the light guide plate (2) can be maintained at a stable position under an instantaneous impact force, while the expansion of the light guide plate (2) will not be impeded, and sufficient expansion space for the light guide plate (2) is ensured. |
