Backlight module having light-mixing member and liquid crystal display using same

摘要

An exemplary backlight module ( 40 ) includes a number of point light sources ( 43 ) and a light-mixing member ( 47 ). The number of point light sources emit light beams of different colors. The light-mixing member mixes the light beams of different colors into white light beams. The light-mixing member includes a light entrance surface ( 470 ) opposite to the light sources. The light entrance surface includes a number of recesses ( 471 ). The recesses correspond to the number of point light sources. The backlight module has high efficiency of light mixing.