Liquid crystal display device having improved visibility

1. A liquid crystal display device comprising:

a liquid crystal panel including a plurality of display blocks, each display block having a plurality of gate lines extending therethrough and including a respective plurality of data lines, and a respective plurality of pixels each coupled to a corresponding one of the gate lines and a respective one of the data lines;

a plurality of data-driving chips;

a timing controller configured to serially provide a respective integrated signal respectively to each of the data-driving chips on a point-to-point basis, where each respective integrated signal includes respective data signals for its respective data-driving chip and a charge share control signal for its respective data-driving chip; and

wherein each of the a plurality of data-driving chips corresponds to a respective one of the plurality of display blocks,

wherein each of the data-driving chips is coupled to the timing controller according to said serial point-to-point basis for thereby serially receiving its respective integrated signal, and

wherein each of the data-driving chips is configured to provide short-circuiting between its respective data lines of its respective display block during a charge-share period whose duration is defined by the charge share control signal included in the received integrated signal of that respective data-driving chip,

wherein the timing controller is configured to output different charge share control signals to at least two of the plurality of data-driving chips to thereby cause their respective charge-share periods to be different from each other.

2. The liquid crystal display device of claim 1 , further comprising:

a power-supply-voltage generator configured to generate a power supply voltage,

wherein the plurality of data-driving chips are cascade-coupled to the power-supply-voltage generator.

3. The liquid crystal display device of claim 2 , wherein:

the plurality of data-driving chips comprises first and second data-driving chips, and the second data-driving chip is supplied with the power supply voltage as cascade coupled through the first data-driving chip,

and wherein the timing controller is configured to cause the second data-driving chip to have a respective charge-share period that is shorter than that of the first data-driving chip.

4. The liquid crystal display device of claim 2 , wherein each of the data-driving chips is configured to generate from supplied image data signals included in the respectively received integrated signal, corresponding analog image-data voltages to drive the corresponding data lines.

5. The liquid crystal display device of claim 1 , wherein each of the data-driving chips comprises:

a decoder coupled for receiving the integrated signal and configured for providing a charge-share signal having a duration defined by information included in the received integrated signal; and

a plurality of switching elements formed between the plurality of data lines and short-circuiting the plurality of data lines with one another in response to the charge-share signal.

6. The liquid crystal display device of claim 1 , wherein the integrated signal is a single-ended signal.

7. The liquid crystal display device of claim 1 , wherein the timing controller and the plurality of data-driving chips are configured to communicate with each other by a current-driving method.

8. The liquid crystal display device of claim 1 , wherein the plurality of data-driving chips are mounted on the liquid crystal panel using a COG (Chip On Glass) technology.

9. A liquid crystal display device comprising:

a liquid crystal panel including first and second display blocks, each display block having a plurality of gate lines extending therethrough and including a plurality of data lines, and a plurality of pixels coupled to the corresponding gate lines and data lines; and

first and second data-driving chips corresponding to the first and second display blocks, the first data-driving chip being configured to selectively provide short-circuiting of its respective plurality of data lines included in the first display block during a first period of respective first duration and being configured for applying image-data voltages to its respective plurality of data lines included in the first display block in a subsequent period, the second data-driving chip being configured to selectively provide short-circuiting of its respective plurality of data lines included in the second display block during a second period of respective second duration and being configured for applying image-data voltages to its respective plurality of data lines included in the second display block;

wherein the first and second durations are different from one another.

10. The liquid crystal display device of claim 9 , further comprising a timing controller configured for providing a first charge-share signal to the first data-driving chip and a second charge-share signal to the second data-driving chip,

wherein the first and second charge-share signals cause the corresponding first and second data-driving chips to have the different first and second durations.

11. The liquid crystal display device of claim 10 , wherein the timing controller provides a first integration signal including data and the first charge-share signal to the first data-driving chip and a second integration signal including data and the second charge-share signal to the second data-driving chip.

12. The liquid crystal display device of claim 11 , wherein the first and second integration signals are single-ended signals.

13. The liquid crystal display device of claim 10 , wherein the first and second data-driving chips are coupled to the timing controller in a point-to-point relation.

14. The liquid crystal display device of claim 10 , wherein the timing controller and the first and second data-driving chips are configured to communicate with each other using a current-driving method.

15. The liquid crystal display device of claim 9 , further comprising: a power-supply-voltage generator configured for generating a power supply voltage that is coupled for transmission to the first and second data-driving chips.

16. The liquid crystal display device of claim 15 , wherein the first and second data-driving chips and the power-supply-voltage generator are cascade-coupled to each other.

17. The liquid crystal display device of claim 16 , wherein the second data-driving chip is supplied with the power supply voltage through the first data-driving chip, and the second duration is shorter than the first period.

18. The liquid crystal display device of claim 9 , wherein the first and second data-driving chips are mounted on the liquid crystal panel using a COG (Chip On Glass) technology.

19. The liquid crystal display device of claim 1 , wherein

the plurality of data-driving chips are cascade-coupled one to the next so as to receive power-supply-voltages in a cascade connected manner whereby some chips may receive lower power-supply-voltages than others; and

the timing controller is configured to output the different charge share control signals to the at least two of the plurality of data-driving chips based on the different cascade provided power-supply-voltages that the respective data-driving chips receive.