Patent ID: 8908137

Claim:
A backlight module having positioning hooks, comprising: a back plate; and an optical film having at least one through hole is disposed on the back plate by at least one positioning hook, wherein the positioning hook comprising: a vertical portion; a first hook portion extending from a top of the vertical portion, and disposed at a first end of the positioning hook, and the first hook portion being used for penetrating through and hooking on an edge of the optical film; and a second hook portion extending from a bottom of the vertical portion, and disposed at a second end of the positioning hook opposite to the first end, and the second hook portion being used for hooking on a rim of the back plate, so that the optical film is disposed and fixed on the back plate, wherein the through hole in the optical film is at a position corresponding to that of the first hook portion, wherein the first hook portion is a rectangular hook or an arc shaped, wherein the second hook portion is a rectangular hook or an arc shaped, wherein a width between a tip end of the first hook portion and the vertical portion is smaller than a width between a tip end of the second hook portion and the vertical portion.