Patent ID: 9671549
Date: 2017-06-06
CPC Classifications: G02B

Claim:
1. A backlight module, comprising: a back frame, comprising a base and a plurality of side walls perpendicular to the base; a light guide plate (LGP), disposed inside the back frame; a cushion, arranged on an area between one of the plurality of side walls of the back frame and the LGP, used for fixing the LGP inside the back frame, and being flexible; an air chamber disposed inside the flexible cushion, at least one exhaust vent disposed on a non-contact outer wall of the cushion, the air chamber communicating with the outside air via the exhaust vent, and the cushion fixed on one of the plurality of side walls of the back frame; wherein an internal diameter of the exhaust vent is far smaller than an internal diameter of the air chamber, and when the cushion bears instantaneous impact forces, a quantity of the air in the air chamber exhausting via the exhaust vent is far smaller than a quantity of the air in the air chamber.