Abstract: A display device and a control method thereof are provided. The display device includes a source module and an array module. The source module includes a receiving unit receiving the image signal and extracting a control signal and a pixel signal from the image signal, a clock signal generating unit generating a plurality of clock signals, wherein periods of each clock signal of the plurality of clock signal are the same and high level periods of each clock signal do not overlap with each other, a level boosting unit boosting a voltage of the extracted control signal and pixel signal to the analog operating voltage, and a digital-to-analog conversion unit converting the voltage of the boosted pixel signal into the grayscale voltage. The array module includes a shift register outputting the pixel signal having the grayscale voltage based on the boosted control signal and the generated plurality of clock signals.

Abstract: There provides a drive system for a liquid crystal display, which includes: a timing controller for generating a scanning start signal; a level shifter for boosting the generated scanning start signal and generating at least one clock signal according to the boosted scanning start signal; and a gate driver for scanning and driving gate lines according to the boosted scanning start signal and the generated clock signal. There also provides a drive method of a liquid crystal display. With the drive system and drive method of a liquid crystal display provided in the present invention, it can reduce the pins required by the timing controller and the level shifter, thus the packages of the timing controller and the level shifter get smaller, thereby reducing the package cost.

Abstract: A method and an authentication apparatus are provided by the embodiments of the present disclosure. In the embodiments of the present disclosure, data to be processed is obtained, a character sequence is generated based on the data, physiological feature information sequentially inputted by a user is received to obtain a feature information sequence and it is determined whether every piece of physiological feature information in the feature information sequence matches with the corresponding character in the character sequence.

Abstract: A method for driving a display panel includes obtaining a gray scale value and an abscissa value of a current sub-pixel, compensation gain values and coordinate values of boundary lines of each interval, a gray scale value of a sub-pixel of a previous row; performing a query in a gray scale lookup table according to the gray scale value of the current sub-pixel and the gray scale value of the sub-pixel of the previous row of the display panel to obtain an initial gray scale value of the current sub-pixel, performing a calculating to obtain a gray scale variation compensation value of the current sub-pixel; obtaining an interval of the current sub-pixel located; performing the calculating to obtain a compensation value of the interval of the current sub-pixel located; and obtaining and outputting a final compensation gray scale value of the current sub-pixel by performing a linear interpolation.

Abstract: The present disclosure discloses a driving system of LCD, which includes: a timing control circuit is used to storage a data converted to gamma voltage; a data driving circuit for receiving the data converted to gamma voltage and the data converted to pixel gray reference voltage from the timing control circuit is used to convert the data converted to gamma voltage and the data converted to pixel gray reference voltage to a gamma voltage and a pixel gray reference voltage respectively and is used to obtain a pixel gray voltage by the converted gamma voltage gamma correct to the converted pixel gray reference voltage. The present disclosure further discloses a driving method and a device thereof. When the LCD device of the present disclosure is capable of performing gamma correction, the P-Gamma circuit will be omitted, greatly reducing the cost of production, so as to enhance the market competitiveness.

Abstract: A liquid crystal display driving method provided includes the following steps: acquiring a current gray level value of a current frame image; determining a gray level of the current gray level value; if the current gray level value is the high gray level, then determining whether to perform an overvoltage driving according to a first gray level difference threshold value; if the current gray level value is the low gray level, then determining whether to perform the overvoltage driving according to a second gray level difference threshold value. The present invention can precisely determine whether to perform the overvoltage driving on the pixel electrode.

Abstract: A driving method and a driving device of a liquid crystal panel are provided.

Abstract: The present disclosure proposes a driving system to drive a display panel. The driving system includes a DC-DC inverter, a timing controller controlling the DC-DC inverter to output square waveform signal and drawing pixel grayscale data from received frame signal, and a source driver, comprising an active integrating circuit, the active integrating circuit outputting grayscale voltages based on the pixel grayscale data and the square waveform signal. The driving system is simplified to reduce cost, because of the use of the active integrating circuit of the source driver.

Abstract: Disclosed is a method for reducing electromagnetic interference of LCD data signal. The method, while ensuring that decoding frequency bandwidth of a receiving terminal of a timer control register remains unchanged, correctly decodes high-speed transmission signals which use a spread spectrum function, which can effectively reduce electromagnetic interference, avoid noise, quickly and correctly decode high-speed transmission signals which use a spread spectrum function, and enable an image to be displayed normally.

Abstract: The present application discloses a liquid crystal panel includes a plurality of gate lines extending in the row direction and are parallel to each other; a plurality of data lines extending in the column direction and are parallel to each other, wherein the gate line and the data line are cross disposed; a sub-pixel is disposed at the intersection of each gate line and each data line; a switching thin-film transistor disposed between each of the odd sub-pixels and the even sub-pixels adjacent to each other on each row; the odd sub-pixels is the sub-pixels located in the odd columns; the even sub-pixels is the sub-pixels located in the even columns; wherein a gate electrode is connected to the corresponding gate line of the previous pixel row, a drain electrode is connected to the corresponding odd sub-pixel, and a source electrode is connected to the corresponding even sub-pixel.

Abstract: A driving method and a driving device of a liquid crystal panel are provided.

Abstract: A grayscale brightness control device includes: a reference voltage generation unit, configured to output a reference voltage, a liquid crystal capacitor charging unit configured to receive the reference voltage from the reference voltage generation unit, a charging waveform being generated based on the reference voltage according to a predetermined grayscale brightness of a pixel in a liquid crystal panel, and a liquid crystal capacitor of the pixel is charged using the generated charging waveform during a predetermined time period. The grayscale brightness control device is not complicated even though the liquid crystal panel includes the grayscale brightness at different scales. The use of the low-complexity hardware is good for a cost reduction.

Abstract: A liquid crystal display (LCD) includes a timing controller, a source driver IC, and a liquid crystal panel. The timing controller transmits data including a gamma value corresponding to a pending frame to the source driver IC. The source driver IC generates grayscale voltages supplied to pixels of a liquid crystal panel based on a gamma value corresponding to the pending frame and the grayscales of the pixels corresponding to the pending frame. The liquid crystal panel shows the pending frame based on the grayscale voltages supplied to each of the pixels. The gamma value corresponding to the pending frame is different from the gamma value corresponding to adjacent frames. Adopting the LCD can greatly lower the color shift from a large view angle and enlarge a view angle without increasing the production costs or lowering the transmittance of the liquid crystal panel.

Abstract: The present disclosure provides a digital to analog conversion (DAC) circuit and a data source circuit chip, the DAC circuit includes: first MOS tubes with the same number of the inputted digital bits; a second resistance, one end of the second resistance connects to the reference voltage, another end of the second resistance connects to the output terminal of the circuit; a second MOS tube, the drain of the second MOS tube connects to the output terminal of the circuit, the gate of the second MOS tube receives a row blank signal; and a capacitor, one end of the capacitor connects to the output terminal, another end of the capacitor is grounded. Using the above circuit and data source circuit chip, can greatly reduce the number of the MOS tube used in the DAC circuit, to effectively reduce the volume of the data source circuit chip and cost.

Abstract: A display device and a control method thereof are provided. The display device includes a source module and an array module. The source module includes a receiving unit receiving the image signal and extracting a control signal and a pixel signal from the image signal, a clock signal generating unit generating a plurality of clock signals, wherein periods of each clock signal of the plurality of clock signal are the same and high level periods of each clock signal do not overlap with each other, a level boosting unit boosting a voltage of the extracted control signal and pixel signal to the analog operating voltage, and a digital-to-analog conversion unit converting the voltage of the boosted pixel signal into the grayscale voltage. The array module includes a shift register outputting the pixel signal having the grayscale voltage based on the boosted control signal and the generated plurality of clock signals.

Abstract: The present disclosure discloses a driving method of a panel and a display device. According to the technical provided by the present disclosure, for the same source line, based on whether if between the data voltage provided by the current driving cycle and the data voltage provided by the previous driving cycle occurs the polarity change to compensate the data voltage provided by the current driving cycle based on the data voltage provided by the current driving cycle and the data voltage provided by the previous driving cycle. Because thee adaptive compensation of the data voltage of which the polarity is reversed, thereby providing the compensated data voltage to the corresponded pixel, so that the issue of the dim screen caused by the polarity inversion can be solved, thereby improving the display quality of the display panel.

Abstract: The present disclosure discloses a driving system of LCD, which includes: a timing control circuit is used to storage a data converted to gamma voltage; a data driving circuit for receiving the data converted to gamma voltage and the data converted to pixel gray reference voltage from the timing control circuit is used to convert the data converted to gamma voltage and the data converted to pixel gray reference voltage to a gamma voltage and a pixel gray reference voltage respectively and is used to obtain a pixel gray voltage by the converted gamma voltage gamma correct to the converted pixel gray reference voltage. The present disclosure further discloses a driving method and a device thereof. When the LCD device of the present disclosure is capable of performing gamma correction, the P-Gamma circuit will be omitted, greatly reducing the cost of production, so as to enhance the market competitiveness.

Abstract: There provides a drive system for a liquid crystal display, which includes: a timing controller for generating a scanning start signal; a level shift for boosting the generated scanning start signal and generating at least one clock signal according to the boosted scanning start signal; and a gate driver for scanning and driving gate lines according to the boosted scanning start signal and the generated clock signal. There also provides a drive method of a liquid crystal display. With the drive system and drive method of a liquid crystal display provided in the present invention, it can reduce the pins required by the timing controller and the level shift, thus the packages of the timing controller and the level shift get smaller, thereby reducing the package cost.

Abstract: The color shift compensation method comprises: receiving target input gray scale data of a target sub pixel dot in a present line, and acquiring previous output gray scale data of a sub pixel dot of the previous line in the same display data line of the target sub pixel dot, and then, implementing digital to analog conversion to the target output gray scale data of the target sub pixel dot simultaneously corresponding to the target input gray scale data and the previous output gray scale data with combination of the target relationship table to acquire the target voltage of the target sub pixel dot, and ultimately, adjusting a color displayed by a target pixel where the target sub pixel dot is. With the present invention, the color shift issue due to the resistance difference of the fan section can be solved to promote the display effect.

Abstract: A liquid crystal display driving method provided includes the following steps: acquiring a current gray level value of a current frame image; determining a gray level of the current gray level value; if the current gray level value is the high gray level, then determining whether to perform an overvoltage driving according to a first gray level difference threshold value; if the current gray level value is the low gray level, then determining whether to perform the overvoltage driving according to a second gray level difference threshold value. The present invention can precisely determine whether to perform the overvoltage driving on the pixel electrode.