LED BACKLIGHT DRIVE CIRCUIT, LIQUID CRYSTAL DISPLAY DEVICE, AND MANUFACTURING METHOD

摘要

Disclosed are an LED backlight drive circuit, a liquid crystal display device, and a manufacturing method. The LED backlight drive circuit comprises at least two LED light strips connected in parallel. At least one LED light strip is connected in series with a divider resistor for balancing a voltage difference between the LED light strips. The LED light strip is connected in series with the divider resistor for balancing the voltage difference between the LED light strips, so that on the basis of the design, the LED light strips may be connected in series to divider resistors of different resistance values according to different resistance values of the LED light strips, therefore the sum of the voltages of each LED light strip and the divider resistor thereof is the same, in this way voltages coupled to pins of an IC of a drive converter remain consistent, almost no voltage difference exists between the pins, no additional current is incurred in the IC, the power consumption of the IC is decreased, and accordingly the heat generated by the IC is reduced, thereby decreasing the temperature of the IC.