Patent ID: 8696189
Filing Date: 2014-04-15
Classification: G02B

Abstract:
1. A light-guide-plate (LGP) positioning sheet, characterized in that: the LGP positioning sheet comprises: a fixing portion fixing the LGP positioning sheet onto a fixing frame protruded from an edge of a back plate of a backlight module; a positioning portion abutting against and positioning a light guide plate; a connecting portion connecting the fixing portion to the positioning portion; and a retaining portion keeping a distance between a light output surface of a light emitting diode (LED) light source and a light input side surface of the light guide plate; wherein the positioning portion is a planar plate which is in contact with a contact surface of the light guide plate in parallel; the retaining portion is formed by bending the positioning portion outward and downward in turn; the fixing portion is further provided with an adjustable groove which adjusts the distance kept by the retaining portion, and a screw member which is matched with the adjustable groove to fix the LGP positioning sheet on the fixing frame; wherein the fixing portion has an outer end horizontally fixed on the fixing frame and an inner end extended downward to form the connecting portion; and a bottom end of the connecting portion is horizontally extended inward to form the positioning portion abutted against an upper surface of the light guide plate.