Patent ID: 8721156

Claim:
A backlight module, comprising a light guide plate, a light source and a backplate, wherein: the backplate comprises a baseplate, side plates extending upwards from two opposite sides of the baseplate respectively, and top plates extending from the two side plates respectively and towards each other, and the side plates, the top plates and the baseplate together form recesses for receiving the light source, with two opposite edges of the light guide plate being disposed in the recesses; a fixing post is disposed at one end of the baseplate, and a fixing groove is formed in the light guide plate corresponding to the fixing post, with the fixing post being fitted in the fixing groove; and a threaded hole is formed at the other end of the baseplate, and a positioning hole is formed in the light guide plate at a position corresponding to the threaded hole, and a bolt is inserted through the threaded hole into the positioning hole of the light guide plate.