CPC H05B 45/34 (2020.01) [G02B 6/0051 (2013.01); G02B 6/0053 (2013.01); G02B 6/0055 (2013.01); G02B 6/0073 (2013.01); H05B 45/54 (2020.01)] | 19 Claims |
1. A light-emitting diode (LED) backlight driving circuit, comprising M LED light-emitting unit groups connected in series, each of the LED light-emitting unit groups comprising N LED light-emitting units connected in parallel, where both N and M are an integer greater than 1,
wherein each of the LED light-emitting units is connected in series with at least a variable resistor with variable resistance for balancing a voltage difference.
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