Patent ID: 7927003
Filing Date: 2011-04-19
Classification: G02B

Abstract:
1. A light guide plate, comprising: a transparent light guide substrate, having a light-emitting surface, a bottom surface opposite to the light-emitting surface, and at least one light incident surface connecting the light-emitting surface and the bottom surface; and a micro-structural reflective film, disposed below the bottom surface of the transparent light guide substrate, and comprising a micro-structural layer and a reflective material layer, wherein the micro-structural layer has a plurality of micro-structures, the reflective material layer covers the micro-structures, and the reflective material layer is made of silver, aluminum, titanium, nickel, or chromium, or an alloy thereof; wherein merely top ends of the micro-structures and the reflective material layer are partially laminated on the transparent light guide substrate, such that an air gap is existed between the transparent light guide substrate and the micro-structural reflective films.