Inverter and liquid crystal display device including the same
View Patent ↗Disclosed is a liquid crystal display panel which includes a switching circuit for converting an input voltage into an alternating current (AC) voltage, a transformer for boosting the AC voltage generated from the switching circuit, and a bypass capacitor part connected in parallel between an output terminal of the switching circuit and the transformer.
1. An inverter, comprising:
a switching circuit for converting an input voltage into an alternating current (“AC”) voltage;
a transformer for boosting the AC voltage generated from the switching circuit; and
a bypass capacitor part connected between an output terminal of the switching circuit and the transformer, wherein the bypass capacitor part comprises a plurality of capacitors connected in parallel to each other.
2. The inverter of claim 1 , further comprising:
a power supply for supplying the input voltage to the switching circuit; and
a control signal generator for supplying a logic signal to the switching circuit.
3. The inverter of claim 2 , further comprising a second bypass capacitor part connected in parallel between the power supply and the switching circuit.
4. The inverter of claim 2 , wherein the transformer comprises:
a primary coil to which the AC voltage generated from the switching circuit is applied; and
a secondary coil connected to at least one lamp.
5. The inverter of claim 4 , wherein the secondary coil is plural in number.
6. A liquid crystal display device, comprising:
a liquid crystal display panel;
a lamp for supplying light to the liquid crystal display panel; and
an inverter for driving the lamp;
a gate driver and a data driver for driving the liquid crystal display panel;
a timing controller for supplying a control signal and a data signal to the gate driver and the data driver;
a power supply for supplying a driving voltage to the gate driver and the data driver and supplying an input voltage to the inverter; and
a control signal generator for supplying a logic signal to the inverter;
wherein the inverter comprises a switching circuit for converting an input voltage into an alternating current (“AC”) voltage, a transformer for boosting the AC voltage generated from the switching circuit, and a bypass capacitor part connected in parallel between an output terminal of the switching circuit and the transformer.
7. The liquid crystal display device of claim 6 , further comprising a second bypass capacitor part connected in parallel between the power supply and the switching circuit.
8. The liquid crystal display device of claim 6 , wherein the bypass capacitor circuit comprises a plurality of capacitors connected in parallel to each other.
9. The liquid crystal display device of claim 6 , wherein the transformer comprises:
a primary coil to which the AC voltage generated from the switching circuit is applied; and
a secondary coil connected to the lamp.
10. The liquid crystal display device of claim 9 , wherein the secondary coil is plural in number.