Patent ID: 8960983
Filing Date: 2015-02-24
Classification: G02B

Abstract:
1. A profiled light guide plate, comprising: a light entry assembly with a first refractivity, a profiled assembly with a second refractivity lower than the first refractivity, and a planar assembly, wherein the light entry assembly, the profiled assembly and the planar assembly are joined in series; wherein the profiled assembly comprises a ramp extending from a top face of the light entry assembly to a top face of the planar assembly, and a thickness of the planar assembly is less than that of the light entry assembly; the light entry assembly comprises a light entry surface in a plane and an side surface opposite thereto forming a first adjoining interface by joining with the profiled assembly, and the first adjoining interface is a curved face protruding towards the profiled assembly; and a second adjoining interface is formed by joining the side surface of the profiled assembly opposite to the first adjoining interface with the planar assembly.