Lg Philips Lcd Co., Inc.

Seung Man Gu

Seok Lee

Kang Ju Lee

Jung-Taeck Yer

Jong Ki An

Hyung Geun Kim

Sung Yong Park

A flat light-emitting lamp includes a first common discharge unit for producing a first electrical discharge according to a first AC waveform having a first phase, a second common discharge unit for producing a second electrical discharge according to a second AC waveform having a second phase different from the first phase, and a plurality of discharge tubes each having first ends connected to the first common discharge unit and second ends connected to the second common discharge unit. The discharge tubes emit light according to the electrical discharges of the first and second common discharge units.

Flat light-emitting lamp, fabricating method thereof, and liquid crystal display using the same

The present invention relates to a lamp driving apparatus of a liquid crystal display capable of simplifying a structure of the liquid crystal display and in addition preventing a leakage current of the lamp driving apparatus. The lamp driving apparatus of the liquid crystal display comprises: a plurality of lamps; and an inverter block having a plurality of inverters that supply a drive current to the lamps wherein adjacent lamps have a different phase from one another.

Apparatus for driving lamp of liquid crystal display device

A method of winding a coil of a transformer in an inverter of a liquid crystal display including a bobbin wound with a coil and a core introduced into the bobbin, the method includes forming a coil winding part having no protrusion member at the bobbin so as to exclude an interference caused by the protrusion member from a path wound with the coil; and continuously winding the coil from one side of the coil winding part to another side thereof.

Method of winding coil and transformer and inverter liquid crystal display having coil wound using the same

An apparatus of driving a lamp includes a first inverter board having a first inverter for supplying a first high-voltage alternating-current waveform via a first high-voltage line to a first electrode of the lamp, and a second inverter board having a second inverter for supplying a second high-voltage alternating-current waveform via a second high-voltage line to a second electrode of the lamp, the second inverter being different from the first inverter.

Apparatus of driving lamp and liquid crystal display device using the same

The present invention relates to a lamp driving apparatus of a liquid crystal display capable of simplifying a structure of the liquid crystal display and in addition preventing a leakage current of the lamp driving apparatus. The lamp driving apparatus of the liquid crystal display comprises a plurality of lamps, and an inverter block having a plurality of inverters that supply a drive current to the lamps wherein adjacent lamps have a different phase from one another.

A driving apparatus of a discharge tube lamp includes a voltage source; a plurality of AC conversion circuits for boosting a voltage supplied from the voltage source and generating a plurality of boosted AC signals; a plurality of discharge tubes for receiving the boosted AC signals and emitting a plurality of lights; a plurality of detection circuits arranged between each of the plurality of AC conversion circuits and a ground voltage source for detecting a voltage supplied to each of the plurality of discharge tubes; and a controller arranged between the voltage source and each of the plurality of the AC conversion circuits for controlling the voltage supplied to the plurality of AC conversion circuits in accordance with a plurality of detection signals supplied from the plurality of detection circuits.

Growing community of inventors

Kumi-shi, South Korea

Seung Man Gu