Liquid crystal display
View Patent ↗A pixel structure of a liquid crystal cell that is implemented in a filed sequential liquid crystal display and a method of driving the same. The liquid crystal display includes: a liquid crystal display panel including a plurality of scan lines and data lines, and a plurality of pixels connected to the scan lines and the data lines and arranged in a matrix form; a control signal generating unit for providing a control signal and a reset signal to the pixels of the liquid crystal display panel respectively; a common voltage generating unit for providing a common voltage to the respective pixels; and a boosting voltage generating unit for providing a boosting voltage to the respective pixels.
1. A liquid crystal display device comprising:
a liquid crystal display panel including a plurality of scan lines, a plurality of odd and even column data lines, and a plurality of pixels connected to the scan lines and the data lines, the pixels being arranged in a matrix form;
a control signal generating unit for providing a write control signal and a reset signal to the pixels of the liquid crystal display panel, respectively;
a common voltage generating unit for providing a common voltage to each of the pixels; and
a boosting voltage generating unit for providing boosting voltages to the pixels such that only the pixels connected to an odd column data lines each receive a first boosting voltage and only the pixels connected to an even column data lines receive a second boosting voltage different from the first boosting voltage, each of the pixels comprising:
a first thin film transistor having a gate electrode connected to one of scan lines and a source electrode connected to one of the data lines;
a second thin film transistor having a source electrode connected to a drain electrode of the first thin film transistor and a gate electrode connected to a write control signal line providing the write control signal;
a third thin film transistor having a source electrode connected to a drain electrode of the second thin film transistor and a gate electrode connected to a reset control signal line providing the reset signal;
a storage capacitor provided between the drain electrode of the first thin film transistor and the common voltage generating unit;
a liquid crystal capacitor having a first electrode connected to the drain electrode of the second thin film transistor; and
a boosting capacitor having a first electrode connected to the source electrode of the third thin film transistor and a second electrode connected to a drain electrode of the third thin film transistor.
2. The liquid crystal display device as claimed in claim 1 , further comprising the second electrode of the of the boosting capacitor being connected to the boosting voltage generating unit to receive a corresponding one of the first and second boosting voltages.
3. The liquid crystal display device as claimed in claim 2 , further comprising a second electrode of the liquid crystal capacitor being connected to the common voltage generating unit.
4. The liquid crystal display device as claimed in claim 1 , further comprising a second electrode of the liquid crystal capacitor being connected to the common voltage generating unit.
5. The liquid crystal display device as claimed in claim 1 , polarities of the first boosting voltage and the second boosting voltage being different at respective sub-frames.