Liquid crystal display device

1. A liquid crystal display device, comprising:

a liquid crystal panel displaying a picture; and

a driving circuit unit driving the liquid crystal panel,

wherein the driving circuit unit comprises:

an input/output unit comprising a plurality of input units receiving signals from an outside and a plurality of output units forwarding signals to the outside,

a logic unit having a plurality of logical cells each comprising a plurality of digital logical devices receiving or forwarding a signal through the input/output unit, and

an electrostatic shielding unit protecting the digital logical devices from an external static electricity,

wherein the electrostatic shielding unit comprises:

an electrostatic sensing unit sensing introduction of static electricity thereto, and

a plurality of electrostatic discharge transistors connected in parallel to one another,

wherein the plurality of electrostatic discharge transistors excluding the electrostatic sensing unit are respectively positioned in dummy areas as spaces among the logical cells, the dummy areas adjusting a pattern density of the logic unit and the sizes of the electrostatic discharge transistors being respectively varied with the sizes of the dummy areas,

wherein a plurality of the dummy areas being respectively disposed in between adjacent logical cells which are positioned in a row,

wherein a first row and a second row of the electrostatic discharge transistors share a ground line between the first and second rows, and the second row and a third row of the electrostatic discharge transistors share a power supply line between the second and third rows, the electrostatic discharge transistors being connected in parallel between the power supply line and the ground line, and

wherein the electrostatic sensing unit comprises:

a resistor connected between the power supply line and a node,

a capacitor connected between the node and the ground line, and

an inverter connected between the node and the gate electrodes of the electrostatic discharge transistors,

wherein the gate electrodes of the electrostatic discharge transistors are commonly connected to an output terminal of the inverter only through connection lines and contact nodes between the gate electrodes and the output terminal, and

wherein the gate electrodes of all of the electrostatic discharge transistors are directly connected together.

2. The liquid crystal display device as claimed in claim 1 , wherein the driving circuit unit is data drive ICs (integrated circuits) for supplying pixel voltage to data lines in the liquid crystal display device.

3. The liquid crystal display device as claimed in claim 1 , wherein the driving circuit unit is a timing controller for controlling operation of data drive ICs (integrated circuits) for supplying pixel voltages to data lines in the liquid crystal display device.

4. The liquid crystal display device as claimed in claim 1 , wherein the logic unit and the electrostatic shielding unit are formed at a core area surrounded by the input/output units.

5. The liquid crystal display device as claimed in claim 1 , wherein:

gate electrodes of the electrostatic discharge transistors are connected to the electrostatic sensing unit;

drain electrodes of the electrostatic discharge transistors are directly physically connected to the power supply line; and

source electrodes of the electrostatic discharge transistors are directly physically connected to the ground terminal.