Display device and driving apparatus
AssigneeSamsung Electronics Co., Ltd.
InventorJin Jeon
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Abstract
In one embodiment of the invention, a display device includes a plurality of gate lines transferring gate signals, a plurality of data lines transmitting data voltages, a plurality of storage electrode lines transferring storage signals, and a plurality of pixels arranged in a matrix, each pixel comprising a switching element connected to a gate line and a data line, a liquid crystal capacitor connected to the switching element and a common voltage, and a storage capacitor connected to the switching element and a storage electrode line. The display device may further include a plurality of signal generating circuits generating the storage signals, wherein the signal generating circuit is connected to a k-th storage electrode line, where k is a natural number.
Claims36
A display device configured to display images in a plurality of frames, the display device comprising:
- a plurality of gate lines adapted to transmit a plurality of gate signals;
- a plurality of data lines adapted to transmit a plurality of data voltages;
- a plurality of storage electrode lines adapted to transmit a plurality of storage signals;
- a plurality of pixels arranged in a matrix having a plurality of rows, wherein each pixel comprises a switching element connected to one of the gate lines and one of the data lines, a liquid crystal capacitor connected to the switching element and a common voltage, and a storage capacitor connected to the switching element and one of the storage electrode lines;
- and
- a plurality of signal generating circuits connected to the storage electrode lines, wherein each of the signal generating circuits is adapted to apply a storage signal having a first or second voltage to an associated one of the storage electrode lines in response to a gate signal immediately after the liquid crystal capacitor and storage capacitors of an associated row of pixels have been charged by the data voltages, adapted to invert the voltage of the storage signal in response to a first control signal, and adapted to maintain the storage signal for a first predetermined time period in response to a second control signal and a third control signal.
A display device configured to display images in a plurality of frames, the display device comprising:
- a plurality of gate lines adapted to transmit a plurality of gate signals;
- a plurality of data lines adapted to transmit a plurality of data voltages;
- a plurality of storage electrode lines adapted to transmit a plurality of storage signals;
- a plurality of pixels arranged in a matrix having a plurality of rows, wherein each pixel comprises a switching element connected to one of the gate lines and one of the data lines, a liquid crystal capacitor connected to the switching element and a common voltage, and a storage capacitor connected to the switching element and one of the storage electrode lines;
- and
- a plurality of signal generating circuits connected to the storage electrode lines, wherein each of the signal generating circuits is adapted to apply a storage signal having a first or second voltage to an associated one of the storage electrode lines in response to a first gate signal immediately after the liquid crystal capacitor and storage capacitors of an associated row of pixels have been charged by the data voltages, wherein the first gate signal is received over a first gate line associated with the signal generating circuit, adapted to invert the voltage of the storage signal in response to a first control signal or in response to a second gate signal received over a second gate line associated with the signal generating circuit, and adapted to maintain the storage signal for a first predetermined time period in response to a second control signal and a third control signal.
A method of driving a display device having a plurality of pixels arranged in a matrix having a plurality of rows, wherein each pixel comprises a switching element connected to one of a plurality of gate lines and one of a plurality of data lines, a liquid crystal capacitor connected to the switching element and a common voltage, and a storage capacitor connected to the switching element and one of a plurality of storage electrode lines, the method comprising:
- applying a first set of data voltages to the data lines;
- applying a first gate voltage to a first gate line connected with a first row of pixels;
- applying a first storage signal having a first voltage to a first storage electrode line connected with the first row of pixels to maintain the first voltage on the storage capacitors of the first row of pixels;
- maintaining the first storage signal for a first predetermined time period;
- applying a second set of data voltages to the data lines;
- applying a second gate voltage to a second gate line connected with a second row of pixels;
- applying a second storage signal having a second voltage to a second storage electrode line connected with the second row of pixels to maintain the second voltage on the storage capacitors of the second row of pixels;
- and
- maintaining the second storage signal for a second predetermined time period.
Dependencies are inferred from the claim text.