Abstract: An electro-optical device includes a pixel circuit 41G, a pixel circuit 41B, a high potential line 47G configured to supply a high potential VDDG to the pixel circuit 41G, a high potential line 47B configured to supply a high potential VDDB to the pixel circuit 41B, and a low potential line 46 configured to supply a first low potential VSS1 to the pixel circuit 41G and the pixel circuit 41B. The pixel circuit 41G includes a light-emitting element 20G configured to display G, the pixel circuit 41B includes a light-emitting element 20B configured to display B, and the high potential VDDG and the high potential VDDB are mutually independent.

Abstract: Provided is a driving device for a display panel. The driving device includes a temperature sensor, a timing controller, and a source driving circuit. The temperature sensor is connected to the timing controller, and is configured to sense a target temperature and output the target temperature to the timing controller, the target temperature including an operating temperature of the display panel; and the timing controller is further connected to the source driving circuit, the source driving circuit is further connected to a pixel in the display panel, and the timing controller is configured to control, based on the target temperature, the source driving circuit to output a drive signal with a target parameter to the pixel to drive the pixel to emit light; wherein target temperatures within different temperature ranges correspond to drive signals with different target parameters.

Abstract: A display device includes: a display unit including a plurality of pixels to display an image; a first power supply to generate a first power voltage; a second power supply to generate a second power voltage; and a signal controller to control the first power supply to supply the first power voltage to the display unit in response to at least one control signal associated with luminance of the image, and to control the second power supply to stop supplying the second power voltage after the first power voltage starts to be supplied.

Abstract: A display device includes a display panel including a plurality of pixels, a current sensor that senses a sensing current that flows through the pixels, and a data compensator. The data compensator calculates a target current from an image frame of input image data using a current deviation for each position of the image frame and a current contribution ratio for each color of the image frame, and that generates a scale factor by comparing the target current and the sensing current. The display device further includes a timing controller that generates output image data by scaling grayscale values of the input image data using the scale factor; and a data driver that provides a data signal corresponding to the output image data to the pixels.

Abstract: A pixel includes a light emitting element, a first transistor including a gate electrode electrically connected to a first node, a second transistor including a gate electrode connected to a first scan line, a third transistor including a gate electrode connected to the first scan line, a fourth transistor including a gate electrode connected to a second scan line, a fifth transistor including a gate electrode electrically connected to a third scan line, an sixth transistor including a gate electrode electrically connected to the third scan line, a resistor electrically connected in parallel with the sixth transistor between the second node and the anode of the light emitting element, and an amplifier having a non-inverting terminal and an inverting terminal electrically connected to ends of the resistor, respectively.

Abstract: A display device, includes: pixels at a display area; gate lines at the display area, and connected to the pixels; carry clock lines and scan clock lines at the display area; and a gate driving circuit distributedly located at the display area, and connected to the carry clock lines, the scan clock lines, and the gate lines. The gate driving circuit includes a plurality of stages, each of the stages to output, as a carry signal, a carry clock signal supplied through a corresponding carry clock line from among the carry clock lines, and to output, as a scan signal, a scan clock signal supplied through a corresponding scan clock line from among the scan clock lines. The corresponding carry clock line and the corresponding scan clock line corresponding to one stage from among the stages are spaced from each other with at least one of the pixels interposed therebetween.

Abstract: A method of controlling a display panel, a display panel, and a display device are disclosed. The display panel includes a display panel for image displays. The method of controlling the display panel includes obtaining a target grayscale area in the display area, and driving grayscales of the target grayscale area based on a desired voltage. The desired voltage is obtained by at least two times of adjustments according to historical display data of the target grayscale area. The present application is provided to improve display effects of the display panel.

Abstract: A light emitting apparatus comprising a plurality of pixels with different light emitting colors, each of the plurality of pixels includes a light-emitting element configured to emit light with one of at least three different light emitting colors, a driving transistor configured to supply a current to the light-emitting element in accordance with a voltage supplied to a gate, a write transistor configured to supply a signal voltage from a signal line to the gate of the driving transistor, and a capacitance at a connection portion between the driving transistor and the write transistor, wherein the capacitance is different for each light emitting color, and is larger in a pixel of a light emitting color in which a peak current flowing through the light-emitting element is larger.

Abstract: A display driver comprises a decoder, a first source amplifier and a logic circuitry. The decoder is configured to output a grayscale voltage corresponding to an image data. The first source amplifier is configured to output a first source output voltage corresponding to the grayscale voltage to a first external output terminal. The logic circuitry is configured to generate fault detection data for fault detection of a test object connected to the first external output terminal. The fault detection data is based on a comparison output signal generated based on a comparison between a reference voltage and a voltage on the first external output terminal. The comparison is performed by the first source amplifier.

Abstract: This application discloses a display panel and a display device. The display panel (101) includes a first substrate (110), which includes a plurality of pixels (111). Each of the pixels (111) includes a plurality of sub-pixels of different colors. The sub-pixels of each color include a first sub-pixel (122) and a second sub-pixel (123). The aperture ratio of the first sub-pixel (122) is smaller than the aperture ratio of the second sub-pixel (123).

Abstract: A color temperature adjustable and dimmable magnifier comprises: a housing, a magnifying lens, a plural set of light emitting members and a control member, the housing comprises a lens carrier and a grip connecting the lens carrier; the magnifying lens is set in the lens carrier; the plural set of light emitting members are set around the lens carrier, each set of the light emitting member includes a cold light source and a warm light source; and the control member connects each cold light source and each warm light source, the control member controls turning on and off cold light sources and warm light sources according to the external instructions received, and adjusts the brightness of cold light sources and warm light sources to combine into a plural color temperature. The color temperature adjustable and dimmable magnifier can meet the various needs of users for color temperature and brightness.

Abstract: The embodiments relate to a display device including: a display panel on which multiple pixels are arranged; a first driver IC controlling driving of the pixels arranged in a first area of the display panel, and including a first gamma generator outputting multiple first gamma voltages; and a second driver IC controlling driving of the pixels arranged in a second area of the display panel, and including a second gamma generator outputting multiple second gamma voltages, wherein the first gamma generator and the second gamma generator generate the first gamma voltages and the second gamma voltages, respectively, by using multiple gamma reference voltages output from the first gamma generator.

Abstract: The present invention relates to a driver system, comprising a counter unit, a buffer unit and a voltage regulation unit. The counter unit is adapted to sequentially activate one of the first output terminals upon receiving a driver signal and then output a control signal according to the driver signal. The buffer unit is adapted to output an isolated control signal upon receiving the control signal from the counter unit. Upon receiving the isolated control signal, the voltage regulation unit outputs a control voltage which corresponds to a given resistor provided therein. The control voltage is useful in driving an electronic device, and the operation of the electronic device may be further adjusted by changing the control voltage from one level to another.

Abstract: A pixel structure is disclosed. The pixel structure includes: a plurality of scanning lines; a plurality of data lines intersecting the plurality of scanning lines; and a plurality of sub-pixels which are located at respective intersections of the plurality of scanning lines and the plurality of data lines and are arranged in rows and columns. (4n+1)th and (4n+2)th data lines of the plurality of data lines are located on opposite sides of a (2n+1)th column of sub-pixels respectively. (4n+3)th and (4n+4)th data lines of the plurality of data lines are located on opposite sides of a (2n+2)th column of sub-pixels respectively. The (4n+2)th and (4n+3)th data lines of the plurality of data lines are located between the (2n+1)th column of sub-pixels and the (2n+2)th column of sub-pixels, where n is an integer greater than or equal to 0.

Abstract: The present invention relates to an area-saving driving circuit for a display panel, which includes a plurality of digital-to-analog converting circuits convert input data, respectively, and produce a pixel signal. A plurality of driving units are coupled to the plurality of digital-to-analog converting circuits, respectively. They produce a driving signal according to the pixel signal and transmit the driving signal to the display panel for displaying. A plurality of voltage booster units are coupled to the plurality of driving units, respectively, and produce a supply voltage according to a control signal. Then the supply voltage is provided to the plurality of driving units. Thereby, by providing the supply voltage to the plurality of driving units of the display panel through the use of the plurality of voltage booster units, the area of the external storage capacitor is reduced or eliminated.

Abstract: The embodiments of the disclosure disclose a circuit board and a display, the circuit board includes a switch unit, the switch unit is preset with a switch-on signal, the switch unit is configured to respectively connect with the system board and the control board; when the control signal received from the system board is the same with the conduction signal, the switch unit is switched on, allowing the circuit board to receive the drive data and work normally; when the control signal received from the system board is not the same with the conduction signal, the switch unit is switched off, stopping the circuit board from receiving the drive data and resulting in stoppage of an operation.

Abstract: A DC to DC converter includes: an input voltage source; an inductor connected to the input voltage source; a diode connected to the inductor; a capacitor connected to the diode; a plurality of switching elements connected to a node between the inductor and the diode in a parallel connection; and a controller configured to set duty ratios of currents flowing through the switching elements such that the duty ratios of the currents flowing through the switching elements are equal to each other.

Abstract: A liquid crystal display device includes: a plurality of pixels; a timing controller configured to convert an externally input image signal into image data and control the generation of a gamma voltage. The gamma voltage is compensated based on a kick-back voltage generated for each gray level. The gamma voltage generator is configured to generate a compensation gamma voltage that compensates a kick-back voltage under control of the timing controller; and a data driver is configured to convert the image data into a data signal by using the compensation gamma voltage. The plurality of pixels may include a first pixel and a second pixel, which display colors different from each other, and the first pixel and the second pixel display colors of the same gray level by using data signals having voltage magnitudes different from each other.

Abstract: Provided is a video signal line driver circuit capable of displaying a video with a high viewing quality even when gradation voltages of the same value are simultaneously selected as analog video signals. A voltage ladder 87 of a source driver 50 has formed therein gradation voltage supplement lines 91 extending to the outside of the source driver 50 from output terminals for outputting generated gradation voltages. The gradation voltage supplement lines 91 are grounded outside the source driver 50 via voltage supplement capacitors 90. Accordingly, even when gradation voltages of the same value are simultaneously selected as analog video signals, the voltage supplement capacitors 90 provide necessary current supplement to the voltage ladder 87, thereby inhibiting potential drop across the output terminals for outputting gradation voltages.

Abstract: A display panel includes a driver, X data lines, Y scan lines, and X*Y pixels. The driver is configured to receive display data with X*Y resolution. The X data lines are electrically connected to the driver and configured to receive a plurality of pixel voltages. The X*Y pixels are electrically connected to the data lines and the scan lines. When each gray level of a first color display data set is identical and lower than a first threshold value, the pixel voltages of the plurality of first color subpixels are not identical.

Abstract: A flexible liquid crystal Fresnel lens is provided that may realize a lens using a polymer thin film substrate, so that it may provide the same electro-optical characteristics irrespective of polarization of light incident on a lens, and provide flexible characteristics and high image quality. The flexible liquid crystal Fresnel lens includes a liquid crystal layer formed between an upper substrate and a lower substrate in which a Fresnel region pattern is formed, wherein the lower substrate and the upper substrate may respectively include a first substrate and a second substrate including a transparent and flexible material while having a birefringent index, optical axes of the lower substrate and the upper substrate may be perpendicular to each other, and optical axes respectively forming an angle of 45° with respect to the lower substrate and the upper substrate may be formed in the liquid crystal layer.

Abstract: A touch display panel and a driving method thereof are disclosed. The touch display panel includes a plurality of pixels, a plurality of viewing angle control (VAC) electrode units, and a plurality of touch receiving electrode units. Each pixel includes a pixel electrode and a common electrode. At least one of the pixel electrode and the common electrode has a plurality of slits. The VAC electrode units are arranged along a first direction. Each VAC electrode unit includes a plurality of first VAC electrode series and a plurality of second VAC electrode series, and each first VAC electrode series and each second VAC electrode series are alternately arranged along the first direction. The touch receiving electrode units are arranged along the second direction, and the VAC electrode units and the touch receiving electrode unit form a touch unit.

Abstract: A display panel and a display device are provided. The display panel comprises a first substrate including scanning lines, data lines, and pixel units including first pixel units and second pixel units; and a second substrate including color units including first color units, second color units, third color units, and fourth color units. The pixel units are arranged into first pixel groups and second pixel groups alternately arranged along an extending direction of the scanning lines. An arrangement of the first pixel units and the second pixel units in the first pixel group is a mirror image of that in the second pixel group. When the data signals with a same polarity are provided to the first pixel units and the second pixel units, the first pixel units generate an electric field having an inverted direction from an electric field generated by the second pixel units.

Abstract: An organic light-emitting display apparatus includes a plurality of pixels, each including: an organic light emitting diode (OLED); a driving transistor; and a first node therebetween; a sensor for sensing a first current from the driving transistor when a first reference voltage is applied to the first node and sensing a second current from the driving transistor when a second reference voltage is applied to the first node, when a first source data signal, corresponding to a first gray level, is transferred to a corresponding one of the pixels; a driving current determiner for generating characteristic information of the driving transistor based on the first and the second currents and determining a driving current of the driving transistor, corresponding to the first gray level, based on the characteristic information of the driving transistor and current-voltage information of the OLED, which is stored in the memory.

Abstract: An organic light emitting display includes: a first pixel; and a second pixel adjacent to the first pixel, the second pixel being configured to emit light at a different time from the first pixel, wherein the first pixel and the second pixel share a storage capacitor configured to store a voltage of a data signal.

Abstract: A liquid crystal display (LCD) device includes a liquid crystal display panel having a matrix of liquid crystal cells defined by crossings of the data lines and the gate lines. The LCD device includes a data driving circuit for inverting a polarity of a data voltage in response to a polarity control signal, and supplying the polarity-inverted data voltage to an associated one of the data lines in response to a source output enable signal; a gate driving circuit for sequentially supplying a scan voltage to each of the gate lines in response to a gate output enable signal; and a controller for modulating the polarity control signal such that data voltages having the same polarity are respectively supplied to liquid crystal cells along one gate line in consecutive frame periods and generating the source output enable signal and the gate output enable signal.

Abstract: The present disclosure provides a gate driving circuit, a gate driving method, and a display apparatus. The gate driving circuit comprises a driving control unit and a gate signal generation unit, wherein the driving control unit is configured to generate a driving control signal corresponding to a respective display pattern, and the gate signal generation unit is connected to the driving control unit and is configured to generate a multi-order gate voltage in response to the driving control signal generated by the driving control unit, wherein duration of a low order voltage included in the generated multi-order gate voltage corresponds to the respective display pattern. The gate driving circuit according to the present disclosure can achieve driving for display by using a multi-order gate voltage having a low order voltage in long duration when the corresponding display apparatus is in a flicker pattern, so as to eliminate image flicker.

Abstract: A display apparatus includes a display panel that includes pixels for receiving data voltages in response to gate signals, and dummy pixels, a driver for driving the pixels and the dummy pixels, a kickback voltage detector for detecting a kickback voltage of the dummy pixels, and a timing controller. The timing controller calculates a temperature corresponding to the kickback voltage, compares the calculated temperature with a reference temperature, and controls the driver to compensate a display panel image quality based on a temperature variation that corresponds to a difference between the calculated temperature and the reference temperature.

Abstract: A display system which includes a first image display; a second image display; a reflective polarizer disposed between the first image display and the second image display, with the second image display disposed on a viewing side of the display system; and a controller for addressing image data to the first image display and the second image display, wherein the controller, the first image display and second image display are configured to selectively operate in accordance with: a first display function in which the first image display is visible to a viewer through the second image display and the second image display appears substantially transparent to the first image display; a second display function in which the display system appears as a plane mirror to the viewer; and a third display function in which the display system appears as a patterned mirror to the viewer.

Abstract: Apparatuses and methods for charge sharing, between signal lines are disclosed. An example apparatus may include first and second lines and a charge sharing circuit. The charge sharing circuit may be coupled to the first line and the second line and configured to receive a first data signal and a second data signal. The charge sharing circuit may be further configured to cause charge to be shared between the first line and the second line responsive, at least in part, to the first data signal and the second data signal having different logic levels.

Abstract: A liquid crystal display (LCD) including a display panel and a source driver is provided. The display panel includes a plurality of pixels arranged in an array. The source driver is coupled to the display panel and includes a plurality of source lines. Each of the source lines of the source driver is responsible for performing the pixel-writing to six corresponding pixel columns in the display panel.

Abstract: The present disclosure discloses a gate driving circuit, a gate driving method and a display device. The gate driving circuit includes a plurality of cascaded shift register units for outputting gate driving signals, each of the gate driving signals being output by a gate driving signal output terminal of each shift register unit; the gate driving circuit further includes: a gate driving control unit connected with the shift register unit for controlling the gate driving signal to be transmitted to N rows of pixel circuits time-divisionally, wherein N is a positive integer greater than or equal to 2.

Abstract: An electronic display includes a display panel. The display panel includes a pixel array and receives a supply voltage. The display panel also includes a panel driver configured to generate a gate line voltage. The panel driver also supplies the gate line voltage to the display panel based on a comparison between the gate line voltage and the supply voltage.

Abstract: A method for adjusting a gamma curve used in a display control system of a display apparatus, and the method comprises steps of: analyzing each sub pixel gray value distribution of each color in a frame; and adjusting at least a gamma reference voltage according to the sub pixel gray value distribution of the color, such that a gray level voltage number corresponding to the sub pixel gray values in at least a predetermine region which has the relative large statistical number or ratio is increased, and a gray level voltage number corresponding to the sub pixel gray values in at least a predetermine region which has the relative low statistical number or ratio is decreased.

Abstract: A pixel, a display device including the same, and a driving method thereof. The display device includes: a data driver transmitting data signals; a scan driver generating and transmitting scan signals; a display panel including pixels, each emitting light with a driving current according to the data signals; a compensation signal unit generating and transmitting a compensation control signal for controlling simultaneous transmission of a predetermined bias voltage to each of the pixels before a data voltage according to the data signals is applied to each of the pixels; a power controller controlling voltage levels of the first power source voltage and the second power source voltage and supplying the level-controlled first and second power source voltages; and a timing controller generating the data signals by processing an external image signal and generating a plurality of driving control signals.

Abstract: A viewer shows circuit design activities, displaying a signal, its corresponding trace, and the values of the trace over time. A global zoom-in, zoom-out, and zoom-fit are provided over the value display to adjust the time interval covered within the viewer. Non-linear manipulation of the traces within the viewer enables simultaneous zoomed in display of multiple time intervals, and zoomed out display of other time intervals. The non-linear manipulations may be performed within a same display region by designating zoom groups corresponding to the selection of a designated time period of activities of the circuit. Each zoom group may be scaled independently of other timer periods to zoom in or out of activities occurring within the designated time period. A list of behaviors may also be provided. Selection of a behavior generates a separate signal list for signals associated with the behavior and corresponding traces for enhanced debugging.

Abstract: In order to suppress an influence of an electrical stress on a TFT characteristic in use of a TFT, a light emitting display apparatus according to the present invention comprises organic EL devices and driving circuits for driving the organic EL devices. The driving circuit includes plural pixels each having a thin film transistor of which a threshold voltage reversibly changes due to the electrical stress applied between a gate terminal and a source terminal, and a voltage applying unit which sets gate potential of the thin film transistor higher than source potential. The voltage applying unit applies the electrical stress between the gate terminal and the source terminal at a time when the thin film transistor is not driven, so as to drive the thin film transistor in a region that the threshold voltage is saturated to the electrical stress.

Abstract: A DC/DC module comprises a buck-boost circuit, which is used to convert the input voltage of the DC/DC module into a gate off-state voltage VGL; a LDO circuit, which is used to convert the input voltage of the buck-boost circuit into a lower limit output voltage VBB of a liquid crystal driver; a BUCK circuit, which is used to convert the input voltage of the DC/DC module into an operating voltage VDD of a specific IC; a charge pump circuit, which is used to convert the input voltage of the DC/DC module into a gate on-state voltage VGH; wherein, the input voltage of the DC/DC module is used directly as an upper limit output voltage VAA. The DC/DC module according to the present invention has simple circuit structure, low hardware cost, and high load capacity.

Abstract: The invention provides an image display device capable of reducing the transmission delay of a scanning signal. A plurality of scanning signal lines are wired in one pixel circuit row. Pixel circuits of the pixel circuit row are connected to any of the plurality of scanning signal lines.

Abstract: A pixel includes an organic light emitting diode (OLED), a driving transistor for controlling a current supplied to the OLED, a first transistor for transmitting a data signal to the driving transistor, and a capacitor coupled between the driving transistor and the first transistor. A driving method of the pixel includes initializing a gate voltage of the driving transistor, compensating a threshold voltage of the driving transistor, and transmitting a data signal to the driving transistor through the capacitor. A period for compensating the threshold voltage is longer than a period for transmitting the data signal to the driving transistor. Sufficient time to compensate the threshold voltage of the driving transistor of the pixel may be obtained under high resolution and high frequency driving to realize a display device of high image quality.

Abstract: A ubiquitously mountable image display system includes a shape-reconfigurable display screen component to which is attached a plurality of circuit modules each having at least one light source. The shape-reconfigurable display screen component is formed of a material that accommodates flexing of the display screen component without creating a perceivable aberration in separation distance between two or more picture elements of an image that is rendered upon a viewing plane of the display screen component when light from the plurality of light sources is directed towards the viewing plane.

Abstract: A handheld device includes a backlight driving unit and a power supply circuit for powering the backlight driving unit. The power supply circuit includes a power management unit, a battery, a first electronic switch, a second electronic switch, and a control unit. When a voltage of a second terminal of the second electronic switch is less than a reference voltage of the control unit, the control unit turns on the first electronic switch and turns off the second electronic switch. The backlight driving unit is powered by the battery through the first electronic switch. When the voltage of the second terminal of the second electronic switch is more than the reference voltage of the control unit, the control unit turns off the first electronic switch and turns on the second electronic switch. The backlight driving unit is powered by the PMU through the second electronic switch.

Abstract: A wavefront analyzer comprises a network of adjustable converging microlenses dividing an incident wavefront into multiple beams and creating a respective focal point for each beam, and a network of light-sensitive detectors placed behind to detect positions of these focal points. The microlenses network is formed from a liquid crystal layer operating in transmission with an array of electrodes forming liquid crystal pixels whose refractive index is controllable by a voltage applied individually to each electrode. Each converging microlens comprises a subset of pixels grouped in a region constituting the microlens, the pixels of a subset having indices that vary radially in a monotonic manner by distance from a central point of the region to its edges, enabling the microlens to operate in refractive mode. The number, position, size and focal length of the microlenses can be adjusted by the profile of the voltages applied to the array of pixels.

Abstract: The present invention relates to a method for driving a ferroelectric liquid crystal panel. A liquid crystal display device according to the present invention includes a ferroelectric liquid crystal panel having a ferroelectric liquid crystal provided between a pair of substrates, a plurality of scanning electrodes and a plurality of drive electrodes, and a plurality of pixels constituted by intersections between the plurality of scanning electrodes and the plurality of signal electrodes, and a controller for applying driving pulses to the plurality of scanning electrodes and the plurality of signal electrodes. The controller applies to the plurality of pixels first reset pulses, first selection pulses for switching the plurality of pixels, second reset pulses having a voltage or pulse width different from that of the first reset pulses, and second selection pulses having a voltage or pulse width different from that of the first selection pulses and for switching the plurality of pixels.

Abstract: A voltage generator for providing a plurality of output voltages having different levels includes: a reference block and a plurality of digital-to-analog conversion blocks. The reference block is employed for providing a plurality of reference voltages according to a supply voltage. The plurality of digital-to-analog conversion blocks is coupled to the reference block, and each of the digital-to-analog conversion blocks receives the reference voltages and generates a digital-to-analog output voltage according to a digital code, wherein digital-to-analog output voltages generated by the digital-to-analog conversion blocks have different levels, respectively. In addition, a range of the digital-to-analog output voltage generated by a first digital-to-analog conversion block of the digital-to-analog conversion blocks is different from that of the digital-to-analog output voltage generated by a second digital-to-analog conversion block.

Abstract: A display driving method including the following steps is provided. A common voltage is provided to define a reference voltage of a display. The reference voltage is sequentially switched between a plurality of AC voltage swings, between a plurality of DC voltage levels, or between one or more AC voltage swings and one or more DC voltage levels. Each of the plurality of AC voltage swings is provided for a time length of one or more frames. The step of providing the common voltage is repeated one or more times. A display driving circuit using the same is also provided.

Abstract: A display device includes: a plurality of pixels; a data driver connected to the plurality of pixels by a plurality of data lines and applying data signals to the plurality of pixels; a scan driver connected to the plurality of pixels by a plurality of scan lines and applying scan signals to the plurality of pixels for the data signals to be applied to the plurality of pixels; a boost driver connected to the plurality of pixels by a plurality of boost lines and applying boost signals, boosting the pixel voltage charged to the plurality of pixels by the data signals, to the plurality of pixels; and a boost voltage maintaining unit applying a restoring voltage restoring the voltage in the plurality of boost lines by the scan signal to the plurality of boost lines. The voltage generated in the boost line by the coupling may be quickly restored and the crosstalk may be minimized, thereby improving the image quality.

Abstract: An object of the present invention is to provide a liquid crystal display device capable of improving a viewing angle, while not decreasing an aperture ratio and preventing an increase in electricity consumption. A liquid crystal display device (1) of the present invention includes an active matrix substrate including a plurality of drain electrodes (14) disposed in a matrix form, a counter substrate including a plurality of common electrodes, and a liquid crystal layer being sandwiched between the active matrix substrate and the counter substrate, each of the plurality of drain electrodes (14) having formed (i) a subpixel (16a) part facing a first common electrode (11) among the plurality of common electrodes, across the liquid crystal layer, and (ii) a subpixel (16b) part facing a second common electrode (12) among the plurality of common electrodes, across the liquid crystal layer.

Abstract: The driving circuit of the liquid crystal display device according to the present invention classifies a combination of a displayed gray-scale level of a previous vertical scanning period and a regular gray-scale level corresponding to an input image signal in a current vertical scanning period into either a first group or a second group. The driving circuit is capable of supplying the gray-scale voltage corresponding to the regular gray-scale level for any combination belonging to the first group, and supplying a gray-scale voltage corresponding to an alternative gray-scale level which is different from the regular gray-scale level for any combination belonging to the second group.

Abstract: A LCD driving method is described. The driving method includes the steps of: (a) applying first scan voltage to first scan line for switching on first TFT, wherein data voltage of data line is transmitted to first pixel electrode via first drain electrode and first source electrode; (b) discharging first scan voltage, wherein first pixel voltage of first pixel electrode decreases first feed-through voltage; (c) applying second scan voltage to second scan line for switching on second TFT, wherein data voltage of data line is transmitted to second pixel electrode via second drain electrode and second source electrode for charging second LC capacitor in a second pixel voltage; and (d) discharging second scan voltage, wherein second pixel voltage of second pixel electrode decreases a second feed-through voltage, and first and second scan voltages are positively relative to the first and second feed-through voltages respectively.