Light-emitting diode (LED) backlight driving method, drive device and drive circuit
A technology of LED backlight and driving method, which is applied in the field of LED backlight driving, driving device, and driving circuit, and can solve problems such as light attenuation, image tailing, eye fatigue, etc., and achieve the reduction of driving current information and the elimination of screen dragging. Tail, the effect of constant average power consumption
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[0042] In a preferred implementation manner, the generated dimming signal further includes information on reducing the driving output duty cycle on the premise of including information on increasing the driving current. In actual application, the LED backlight driving device is based on Increase the driving current information and reduce the driving output duty ratio information, while increasing the size of the output driving current, also reduce the driving current driving output duty ratio, so as to achieve the goal of improving the brightness of the liquid crystal display At the same time, the purpose of keeping the average power consumption of the LED backlight constant.
[0043] In the 2D mode, the generated dimming signal includes information about increasing the driving current. The LED backlight driving device can increase the magnitude of the driving current according to the dimming signal including the information of increasing the driving current, so that the brigh...
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