Patent ID: 8582048

Claim:
A LED backlight module, comprising: a backplane and a light guide plate; the edges of said light guide plate are fixed on the backplane by one or more elastic parts; wherein multiple elastic parts are arranged, and said elastic parts are fixed at one end of said light guide plate and are arranged at the edges of said light guide plate in pairs by using the center of the light guide plate as a symmetric center; wherein each said elastic part is a spring; one end of said spring is fixed at the edge of said light guide plate, and the other end of the spring is fixed on said backplane; wherein each said spring is cylindrical; and wherein the surface at the edge of said light guide plate facing the backplane is provided with one or more indentations, one end of said spring is clamped in the indentation of said light guide plate with at least a ring of the spring clamped in the indentation, and the other end of the spring is fixed in the position of the backplane corresponding to the indentation.