Patent ID: 7656470
Filing Date: 2010-02-02
Classification: G02B,G02F

Abstract:
1. A backlight module comprising: a frame comprising a supporting board, the supporting board defining a notch therein; a light guide plate received in the frame, the light guide plate comprising: a light incident surface; a side surface; a light emitting surface perpendicularly adjacent to the light incident surface and the side surface; and a first ear outwardly extending from the side surface, the first ear being received in the notch and comprising a top surface coplanar with a top surface of the supporting board at the notch, the first ear further comprising a base extending from the side surface and a protrusion extending from a top surface of the base; and at least one optical film received in the frame; the at least one optical film having a size corresponding to a size of the light emitting surface, wherein the at least one optical film comprises a second ear corresponding to the protrusion, and the second ear is supported by the base and is fittingly localized by the protrusion.