Backlight is used for black-and-white LCD backlight, which is mainly divided into side backlight and bottom backlight. The side backlight is led light entering from one end of the light guide plate, with different structures, accept customization, low power consumption,and it's current mainstream product. The bottom backlight is an early scheme with high power consumption and single structure, which is not recommended for new projects. Topland can manufacture customized LED Backlight according to most customers’ requirements. Topland can develop and manufacture, high-efficiency, low-power, non