| 摘要 |
A driving circuit in a backlight inverter is provided to generate two or more resonance points simply by adding a switching element. A driving circuit in a backlight inverter includes first to third switching units(100,200,300), and a transformer(T1). The first switching unit includes a plurality of switching elements(NH1,NL1). The second switching unit includes a plurality of switching elements(NH2,NL2). The third switching unit includes a plurality of switching elements(NH3,NL3). The transformer is connected between the first switching unit and the second switching unit and includes a primary inductance and a secondary inductance. A middle terminal of the primary inductance is connected to the third switching unit. The secondary inductance is connected to a load end.
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