LIGHT LEADING-IN SYSTEM, EDGE TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY

摘要

A light leading-in system (1), an edge type backlight module (2) and a liquid crystal display (3) are provided. The light leading-in system (1) comprises an ambient light collecting system (10), a plurality of light guiding devices (20) and a wedge-shaped light guide bar (40), wherein the ambient light collecting system (10) faces towards ambient light (CL), absorbs the ambient light (CL) and generates absorption light (SL); each light guiding device (20) is provided with one light incidence end (22) and one light output end (21), the light incidence ends (22) are adjacent to the ambient light collecting system (10), the absorption light enters the light incidence ends (22) and is guided to the light output ends (21); the wedge-shaped light guide bar (40) is provided with a light output side surface (401) and a light incidence side surface (402), the light incidence side surface (402) is connected with the light output side surface (401) and is a wider side surface connected with an inclined side surface (403), the light output side surface (401) is opposite to the inclined side surface (403) and is adjacent to one light incidence surface (31) of a light guide plate (30), and the light output ends (21) of the light guiding devices (20) are adjacent to the light incidence side surface (402). According to the light leading-in system (1), the edge type backlight module (2) and the liquid crystal display (3), the wedge-shaped light guide bar (40) is utilized to save material and reduce weight, and meanwhile, the phenomenon of non-uniform brightness of the light incidence surface (31) is reduced, and optic taste of the edge type backlight module (2) is improved.