Currently

more and more liquid crystal displays are towards to the low-power

which the effective method is reducing the number of LEDs as the light source. However

as the decrease of LED pixel

hot spot will increase fast. To solve above problem

without changing the distance between LED and guide plate

and with increasing the distance between LED and LED as well as incident angles of guide light plate

light in guide light plat is completely mixed by using this method

and light uniformity is much more improved. Hot spot in the LED backlight module are also solved. This research has good significance for LCD display.