Abstract: A display device is disclosed which is capable of suppressing characteristic changes due to a long period of conduction, thereby achieving high-quality video display, and also to provide a drive method therefor. In at least one embodiment, while sequentially activating n first scanning signal line groups G1(1) to G1(n), a predetermined voltage, which is the same as a voltage for turning off a thin-film transistor included in each pixel formation portion in that the polarity thereof is negative and is at a higher level than that voltage, is applied simultaneously to n second scanning signal line groups G2(1) to G2(n). Thereafter, while sequentially activating the n second scanning signal line groups G2(1) to G2(n), the predetermined voltage is applied simultaneously to the n first scanning signal line groups G1(1) to G1(n). By repeating this, charges accumulated in the vicinity of the thin-film transistors are eliminated, thereby suppressing changes in off characteristics thereof.

Abstract: A method of driving a display panel includes applying a common voltage to the display panel, sensing a frequency of the display panel to generate a frequency signal, adjusting a gain of an operational amplifier based on the frequency signal, receiving a feedback common voltage from the display panel, and compensating the common voltage using an input resistor, the operational amplifier and a feedback resistor based on the feedback common voltage to apply the compensated common voltage to the display panel. The operational amplifier includes an inverting input terminal connected to the input resistor, a non-inverting input terminal to which a reference common voltage is applied and an output terminal. The feedback resistor is between the inverting input terminal and the output terminal.

Abstract: A liquid crystal display and a driving method thereof are provided. The liquid crystal display includes a plurality of pixels, a plurality of scan lines, and a plurality of data lines. Each pixel includes a plurality of sub-pixels. Each sub-pixel is coupled to the data line, and includes a switch, a storage capacitor, and a sub-pixel electrode. The switch is coupled to a scan line to receive a scan signal. The switch is turned on by the scan signal to receive a data signal transmitted from the data line. The storage capacitors of the sub-pixels of each pixel are coupled to the scan lines, or the storage capacitor of one of the sub-pixels of each pixel is coupled to a common electrode and the storage capacitors of the other sub-pixels are coupled to the scan lines. The switch and the storage capacitor of each sub-pixel are coupled to different scan lines.

Abstract: A display device where a memory circuit is installed into each pixel without generating flicker, including a plurality of pixels arranged in a matrix, wherein each pixel has a light-transmissive element controlling the amount of transmissive light in response to a voltage difference between a first electrode and a second electrode, a memory circuit storing the voltage level of the first electrode, and a controller. In the case where the first electrode has a positive voltage level with respect to the second electrode at a refreshing timing, the controller makes the memory circuit store the voltage level of the first electrode, applies a first predetermined voltage to the second electrode to increase the voltage level of the first electrode by the first predetermined voltage, and discharges the first electrode so that the first electrode has a negative voltage level with respect to the second electrode.

Abstract: A method for driving a liquid crystal display (LCD) is disclosed. The LCD includes a common electrode, a pixel electrode, and a liquid crystal layer having a plurality of impurity ions. The method includes: separating the impurity ions toward the common electrode and the pixel electrode to form an internal electric field in the liquid crystal layer; and providing a common voltage for the common electrode, and providing a first compensation voltage and a second compensation voltage for the pixel electrode. The first compensation voltage and the second compensation voltage herein are utilized to compensate the internal electric field so that a difference between the first compensation voltage and the common voltage is equal to a difference between the second compensation voltage and the common voltage. Charge accumulation is formed intentionally, and then the first compensation voltage and the second compensation voltage are provided to correctly display images.

Abstract: An improved drive scheme for a segmented polarizing modulator (or Polarization Control Panel) for use in an electronic stereoscopic display. The segmented polarization modulator segments are arranged contiguously in a direction of the sequential scan. The liquid crystal material used in each segment is driven in a manner to reduce the visibility of segment boundaries, by applying a positive or negative transition voltage (+T or ?T volts) for a short period of time prior to applying +H and ?H drive voltages. Optionally, the transition voltage may also be applied in transitioning from +H and ?H drive voltages.

Abstract: A driving method of a liquid crystal display panel having a source line and a counter electrode, includes driving the counter electrode to a first potential, driving the, counter electrode to a second potential being different from the first potential, setting the counter electrode and the source line to a third potential by short-circuiting the counter electrode and the source line to an interconnection having a potential between the first potential and the second potential, and driving the source line to a potential corresponding to an image data. The setting of the counter electrode and the source line to the third potential occurs in a period of one frame.

Abstract: Each of pixels of a liquid crystal display device according to the present invention includes a reflective region R and a transmissive region T. A pixel electrode 14 includes a reflective pixel electrode 15 and a transparent pixel electrode 14. The liquid crystal display device includes a pair of vertical alignment films 32a, 32b respectively provided between the pixel electrode 14 and a liquid crystal layer 42 and between a counter electrode 24 and the liquid crystal layer 42; and a pair of alignment sustaining layers 34a, 34b respectively provided on surfaces of the pair of vertical alignment films on the liquid crystal layer side and formed of a photopolymerization product. The first substrate or the second substrate has a plurality of protrusions 23A provided in correspondence with the reflective regions of the plurality of pixels and protruding toward the liquid crystal layer.

Abstract: Disclosed herein are a liquid crystal display device which is capable of driving a liquid crystal using image signals supplied to two adjacent data lines, and a driving method thereof. The liquid crystal display device has a plurality of liquid crystal cells formed respectively in pixel areas defined by intersections of n gate lines and m data lines. Each of the liquid crystal cells includes a thin film transistor connected to any one of the gate lines and any one of two data lines adjacent respectively to left and right sides of a corresponding one of the liquid crystal cells, among the data lines, and a liquid crystal capacitor and a storage capacitor each formed between the other one of the two adjacent data lines and the thin film transistor.

Abstract: Provided is a display device including: a control portion; a display panel including one or more pixel circuits and an image signal line connected to the pixel circuits; and an image signal line driving circuit. The control portion includes a difference acquiring circuit for acquiring difference data between a value of a gray-level potential, which is to be applied to one of the pixel circuits from the image signal line, and a value of a precharge potential based on the gray-level potential. The image signal line driving circuit calculates the precharge potential based on the value of the gray-level potential and the difference data, and supplies the image signal line with the precharge potential and the gray-level potential in sequence.

Abstract: A display apparatus includes: a pixel array section including a row of first and second scanning lines, a column of signal lines, and pixels in a matrix, each of the pixels disposed at an intersection of both of the lines; and a drive section. The drive section performs line progressive scanning on the pixels. The pixel includes a light emitting device, a sampling transistor, a driving transistor, a switching transistor, and a holding capacitor. The sampling transistor samples a video signal on the signal line to hold the signal potential in the holding capacitor, the driving transistor makes the light emitting device conductive to be in a luminous state in accordance with the held signal potential, and the switching transistor becomes ON in accordance with the control signal supplied in advance of the sampling of the video signal to change the light emitting device to a non-luminous state.

Abstract: The display device includes a signal line and a pixel. The pixel includes a first switching element, a capacitor having a first electrode which is electrically connected to the signal line through the first switching element, a display element electrically connected to the first electrode of the capacitor, a second switching element, and an electric charge supply terminal electrically connected to a second electrode of the capacitor through the second switching element. A potential difference between a potential of the signal line and a potential of the electric charge supply line is applied to the capacitor. Voltage of the capacitor at the time of writing is set higher than that of the display element. Accordingly, drop in voltage held in the capacitor due to degradation of the first switching element is reduced, and desired voltage applied to the display element is maintained.

Abstract: The exemplary embodiment relates to a liquid crystal display device.

Abstract: Display driving arrangements including: generation circuit dividing a reference voltage by variable resistors for plural levels of voltages; a decoder circuit decoding gray scale voltage corresponding to the display data among the levels of voltages; and a register setting variable resisters resistance values to adjust amplitude and gradient of the gamma characteristic curve of the gray scale voltages with respect to the gray scale number, the generation circuit having a group of resistive voltage dividing circuits dividing the reference voltage, a variable resister amplitude adjusting the gamma characteristic curve in accordance with register setting values connected with a side of the reference voltage in series, being closer to the side of the reference voltage than the group of resistive voltage dividing circuits, a variable resister to adjust the gradient of the gamma characteristic curve per the register setting values connected within the group of resistive voltage dividing circuits in series.

Abstract: A control circuit and a method for charge sharing are provided. The control circuit and method are applied to a flat panel display including a plurality of pixel units. The control circuit includes a power supply unit, a data driver, a first switch set, a second switch set, a second switch set, and a timing controller. The control method includes steps of: outputting a first control signal to optionally switch on the switches in the first switch set in a first duration to re-allocate charges stored in the plurality of pixel units; and outputting a second control signal to optionally switch on the switches in the second switch set in a second duration to discharge charges stored in the plurality of pixel units via the voltage output pin.

Abstract: A liquid crystal display device of at least one embodiment of the present invention includes a TN-mode liquid crystal display panel which is constituted by pixels of three colors (red, green, and blue) and a color filter. A thickness of a liquid crystal layer (cell thickness) is determined on a basis of a retardation value of green light or red light, which has a larger wavelength than blue having shortest wavelength among the three colors. A display data switching circuit carries out gradation conversion of shifting input gradation values to lower gradation values with respect to image data supplied to pixels of blue. Thus, grayscale inversion is prevented. The liquid crystal display device of the present invention produces an effect of improving transmittance of pixels of colors having wavelengths other than the wavelength of blue.

Abstract: A power sequence control circuit receives an input positive voltage and an input negative voltage. The control circuit includes a pull-up stage, having a first terminal receiving the input positive voltage, a second terminal coupled to a node, and a control terminal receiving feedback of an output positive voltage. A pull-down stage has a first terminal coupled to the node and a second terminal coupled to an output negative voltage. A current-limit switching unit has a first terminal receiving the input positive voltage, a second terminal outputting the output positive voltage, and a control terminal coupled to the node. When the output negative voltage decreases, and if the pull-down stage decreases a control voltage at the node and the control voltage is less than a threshold value, the current-limit switching unit is conducted to transmit the input positive voltage as the output positive voltage.

Abstract: A method of driving a display panel includes generating a gate on voltage, generating first and second gate off voltages based on an external voltage in a first operating mode, and first and second gate off voltages based on the gate on voltage in a second operating mode, generating a clock signal based on the gate on voltage and the second gate off voltage and outputting a gate voltage generated based on the clock signal and the first and second gate off voltages to a gate line of the display panel.

Abstract: A bistable electro-optic display has a plurality of pixels, each of which is capable of displaying at least three gray levels. The display is driven by a method comprising: storing a look-up table containing data representing the impulses necessary to convert an initial gray level to a final gray level; storing data representing at least an initial state of each pixel of the display; receiving an input signal representing a desired final state of at least one pixel of the display; and generating an output signal representing the impulse necessary to convert the initial state of said one pixel to the desired final state thereof, as determined from said look-up table. The invention also provides a method for reducing the remnant voltage of an electro-optic display.

Abstract: The invention provides a method of driving an electro-optical device and an electronic apparatus which are capable of reducing the time for writing data without providing special circuits. In the electro-optical device pixel circuits having reset transistors for controlling an electric connection between drains and gates of driving transistors between the drains and the gates of the driving transistors are arranged on a display panel in a matrix. The pixel circuits arranged in a matrix are electrically connected to a scanning line driving circuit via scanning lines. The scanning line driving circuit sequentially switches on the reset transistors from the pixel circuit connected to first scanning lines in accordance with scanning line control signals supplied from a control circuit and then lets organic EL elements emit light.

Abstract: A method and apparatus for providing a LED backlight to a LCD display screen is disclosed. In one embodiment, the apparatus includes: N LED strings, wherein N is an integer greater than or equal to two; a first circuit operable to synchronize a LED clock signal to a LCD timing signal; and a second circuit operable to generate N PWM drive signals synchronized with the LED clock signal, wherein the N PWM drive signals are phase offset from each other by a multiple of 360/N degrees and used to drive respective ones of the N LED strings.

Abstract: Elements of the present invention relate to systems and methods for generating, modifying and applying backlight array driving values.

Abstract: The present invention directs to a method for automatically compensating a common electrode voltage, comprising: calculating an average shift amount of a common electrode voltage according to gray scale data in a line on a displayed image, processing the average shift amount of the common electrode voltage to be a digital signal then converting it into an analog signal then into an average shift amount voltage waveform, and superposing it with a common electrode voltage waveform to form a new output signal waveform for driving the common electrode; the present invention also directs to a device for automatically compensating a common electrode voltage, comprising a data input module, a looking up module, a data operation module, a data encoding and converting module, a waveform generator and an operational amplification module.

Abstract: A display device, including a substrate; an array of pixels arranged in rows and columns forming a light-emitting area over the substrate, each pixel including a first electrode, one or more layers of light-emitting material located over the first electrode, and a second electrode located over the one or more layers of light-emitting material; a first serial buss having a plurality of electrical conductors, each electrical conductor connecting one chiplet in a first set of chiplets to only one other chiplet in the first set in a serial connection, the chiplets being distributed over the substrate in the light-emitting area, each chiplet including one or more store-and-forward circuits for storing and transferring data connected to its corresponding electrical conductor; and a driver circuit in each chiplet for driving at least one pixel in response to data stored in the store-and-forward circuit.

Abstract: A driving apparatus for a display device includes: a reference gamma voltage generator configured to generate a reference gamma voltage according to an MTP control signal, a write control signal, and an erase control signal; and a data driver configured to convert a data signal into a data voltage corresponding to the reference gamma voltage. The reference gamma voltage generator includes: a protection unit configured to output a first voltage as a first internal voltage when the MTP control signal is at a first level, and to interrupt the output of the first voltage when the MTP control signal is at a second level; an MTP cell configured to program a bit signal by utilizing the first internal voltage and a second internal voltage according to the write control signal and erase control signal; and a gamma register configured to determine the reference gamma voltage corresponding to the bit signal.

Abstract: The present invention aims to reduce flickers of the liquid crystal display device and enable the use of liquid crystal material exhibiting a high response speed, and to enhance light usage efficiency of the field sequential type liquid crystal display device. After writing the video signal to all the pixels in each sub-frame period, a correction voltage signal or an alternating signal having a frequency of greater than or equal to a certain frequency is input to the data line, so that the magnitude of the leakage current of each pixel TFT caused by the difference in polarity of the video signal with respect to the opposing electrode written to the pixel electrode is equalized, and the flickers are greatly reduced.

Abstract: A liquid crystal display device is configured to improve display quality by minimizing flickers and residual images through inversion. The inversion may include changing the polarity of the data voltages. A first liquid crystal cell may be charged with a potential difference between a first data voltage supplied to a first pixel electrode and a second data voltage supplied to an adjacent second pixel.

Abstract: A LCD display device includes a LCD panel including a plurality of LCD units with trapezoid structure, and three sides of the LCD unit all include three liquid crystal molecules (LCM), the LCMs of all of the first side of the LCD unit constitute a first LCM array and form a first display interface, the LCMs of all of the second side constitute a second LCM array and form a second display interface, and the LCMs of all of the third side constitute a third LCM array and form a third display interface. The LCD display device also includes three signal conversion modules configured to convert three display signals into three control signals respectively, and three driving modules configured to drive the three LCM arrays according to the control signals and cause the first, the second, and the third display interface to display corresponding images.

Abstract: A liquid crystal display and a method of driving the same are disclosed. The liquid crystal display includes a liquid crystal display panel including data lines and gate lines crossing each other and liquid crystal cells, a timing control signal generating unit, a data drive circuit supplying a data voltage to the data lines, and a gate drive circuit. The timing control signal generating unit generates a first gate timing control signal for controlling a scan direction of the liquid crystal display panel in a sequential direction and a second gate timing control signal for controlling the scan direction in a reverse sequential direction. The gate drive circuit supplies a gate pulse to the gate lines while a shift direction of the gate pulse changes in response to the first and second gate timing control signals.

Abstract: A liquid crystal display device is provided, which may reduce flicker in all display gray levels. The liquid crystal display device includes a scan line drive circuit, a signal line drive circuit and a common connection line drive circuit. The common connection line drive circuit applies a voltage, the voltage having polarity opposite to polarity of the signal line, to a common connection line corresponding to a liquid crystal element as a selection object in a write period for writing into the liquid crystal element as a selection object, and applies one or multiple voltages, each voltage having a value different from a center value between an upper limit value and a lower limit value of voltages applied to the common connection lines in the write period, to the common connection lines in a holding period after writing into the liquid crystal element as a selection object is performed.

Abstract: A method and apparatus for ambient light detection and power control using photovoltaics is disclosed. In an embodiment, a device includes a display and a photovoltaic cell. The photovoltaic cell acts as both an ambient light sensor and a power source. Based on the detected ambient light level, the brightness of the display is increased or decreased to save power, and energy captured by the photovoltaic cell is converted into a useable power signal which is stored or used by device components.

Abstract: An organic light emitting display device is disclosed. The device has a drive circuit which generates a reference clock to be used for synchronizing data signals supplied to the pixels. The reference clock is based on the frame frequency. As a result, the display will provide images of consistent quality which do not vary with input data frequency.

Abstract: A drive control circuit includes a timing controller for detecting a change of a horizontal scanning frequency, a gate voltage generating circuit for generating two kinds of gate-on voltages Va and Vb (Va<Vb), and a switch for outputting one of the gate-on voltages Va and Vb from the gate voltage generating circuit in accordance with an output of the timing controller. The timing controller includes a counter for counting the number of clocks for one horizontal period, and a comparator for comparing a count result with a threshold value. When the horizontal scanning frequency is in a normal state, the low gate-on voltage Va is outputted, and when the horizontal scanning frequency exceeds a predetermined threshold value, that is, the count value falls below a threshold value, the high gate-on voltage Vb is outputted.

Abstract: A switch device for source drivers of liquid crystal displays includes a first switch module; a first switch; a second switch; a second switch module; a third switch module; a fourth switch module; a third switch; and a fourth switch; wherein when a first driving signal with a voltage level between a first voltage level and a second voltage level through the second switch module is sent to a second output terminal and a second driving signal with a voltage level between a third voltage level and a fourth voltage level through the third switch module is sent to a first output terminal, the first switch is turned on such that a first node is connected to a first voltage source with the first voltage level and the fourth switch is turned on such that a second node is connected to a fourth voltage source with the fourth voltage level.

Abstract: In a transflective liquid crystal display having a transmission area and the reflection area, the transmissive electrode is connected to a switching element to control the liquid crystal layer in the transmission area, and the reflective electrode is connected to the switching element via a separate capacitor to control the liquid crystal layer in the reflection area. The separate capacitor is used to shift the reflectance in the reflection area toward a higher voltage end in order to avoid the reflectance inversion problem. In addition, an adjustment capacitor is connected between the reflective electrode and a different common line. The adjustment capacitor is used to reduce or eliminate the discrepancy between the gamma curve associated with the transmittance and the gamma curve associated with the reflectance.

Abstract: During first period, TFTs: and are set in ON and OFF states, respectively. Potential Va is fed into a source line Sj so that potential of pixel electrode is Va. During second period, the TFTs: and are set in the OFF and ON states, respectively. The potential Va is continuously fed into the source line Sj. This sets potential of node to Va, thereby changing the potential of the pixel electrode. During third period, the TFTs: and are set in the OFF state. This realizes a display device where high cost factors and power consumption increase are suppressed, and the effective value of voltage expressed by difference between potential applied to a driving potential input terminal and reference potential can have variance larger than amplitude of signal voltage fed into a data signal line, the variance corresponding to variation in the signal voltage.

Abstract: A liquid crystal display device includes a display section, an image signal drive circuit, a scan signal drive circuit, a common electrode potential control circuit, and a synchronous circuit. The display section has scan electrodes, image signal electrodes, a plurality of pixel electrodes arranged in a matrix, a plurality of switching elements for transmitting an image signal to the pixel electrodes, and a common electrode. The common electrode potential control circuit changes an electric potential of the common electrode into a pulse shape, after the scan signal drive circuit has scanned all the scan electrodes and the image signal has been transmitted to the pixel electrodes. Otherwise, the image signal is overdriven. Otherwise, torque for returning to a no-voltage-application state is increased.

Abstract: A method is arranged to process a frame for an LCD with a modified polarity pattern. The pattern employs a polarity reversal scheme that results in line inversion and/or dot inversion patterns that are observable by pixel locations within the frame. The drive polarity for the column drivers in the LCD is toggled according to the modified polarity pattern. The scanning sequence for each row on the display is modified for cooperation with the pattern. A first subframe is scanned during a first interval while applying a first set of drive polarities. A second subframe is scanned during a second interval that is non-overlapping with the first time interval. The application of the method enables the column drivers in the LCD to operate with reduced power while retaining the benefits of line and dot inversion techniques.

Abstract: A driving apparatus for a display device includes: a signal controller that generates a pre-clock signal, a charge sharing control signal and a scanning start signal; a clock signal generator that generates a clock signal swinging between a first voltage and a second voltage based on the pre-clock signal and the charge sharing control signal; and a gate driver that generates gate signals based on the scanning start signal and the clock signal, where the clock signal generator includes: a voltage generator that generates a third voltage; and a clock generator that receives one of the first to third voltages in response to the pre-clock signal and the charge sharing control signal, and outputs an output signal based on the one of the first to third voltages as the clock signal, where the third voltage is lower than the first voltage and higher than the second voltage.

Abstract: A liquid crystal display (LCD) and methods of driving same. In one embodiment, the LCD) includes a plurality of gate lines, {Gn}, spatially arranged along a row direction; a plurality of data lines, {Dm}, spatially arranged along a column direction perpendicular to the row direction, and a plurality of pixels, {Pn,m}, spatially arranged in the form of a matrix, where m=1, 2, . . . , M, n=1, 2, . . . , N, and M and N are positive integers.

Abstract: There is provided a liquid crystal display, which prevents a blur on a display image by periodically varying a common voltage of the liquid crystal display panel. The liquid crystal display comprises: a liquid crystal display panel having pixel electrodes for supplying data voltages and a common electrode for supplying a common voltage; a common voltage generator for generating common voltages of different potentials; and a common voltage supply unit for periodically changing the potential of a common voltage supplied to the common electrode by switching the common voltages from the common voltage generator.

Abstract: A liquid crystal display device comprises a display area including a plurality of pixels arranged in a matrix. A driving unit to drive the plurality of pixels each having a pixel switch is connected to signal lines and scan lines. An auxiliary capacitance voltage is interposed to a pixel electrode connected to the pixel switch through auxiliary capacitance lines arranged along the pixels in a row direction. The driving unit includes an auxiliary capacitance line driving circuit to supply a first voltage, a second voltage smaller than the first voltage and a third voltage smaller than the second voltage to the auxiliary capacitance lines. The voltage difference between the first voltage and the second voltage is smaller than that between the second voltage and the third voltage.

Abstract: A power saving mode includes a plurality of levels that are different in recovery time to a normal mode and in power consumption of a main body system. The plurality of levels are set to correspond to remaining heat temperature of a fixing device so that the recovery time to the normal mode becomes shorter as the remaining heat temperature is higher, and the power consumption of the main body system becomes lower as the remaining heat temperature is lower. Depending on a change in the remaining heat temperature, a power control section switches to a level corresponding to the remaining heat temperature, of the plurality of levels of the power saving mode of the main body system.

Abstract: A driving device for quickly changing the gray level of the liquid crystal display and its driving method are disclosed. The driving device includes a group of thin film transistors with matrix array, a plurality of gate lines and a plurality of data lines. The driving method for the thedriving device includes: two gate lines in the liquid crystal display are simultaneously or synchronously turned on according to in the bright period or in the black period, the voltage for displaying the present frame interval data or the voltage for displaying black image is given to the thin film transistors connected with the gate lines, and scanning continues in turn. The present invention is suitable for the picture treatment of various liquid crystal displays, organic light emitting diode (OLED) display or plasma display panel (PDP).

Abstract: An exemplary liquid crystal display includes a liquid crystal panel having a plurality of pixel units arranged in rows, a scanning circuit configured to activate the pixel units row by row by outputting a plurality of corresponding scanning signals, a data circuit configured to provide data voltage signals to the activated pixel units, and a common voltage circuit. Each pixel unit includes a coupling member. When a row of pixel units is activated, all the coupling members in the row of pixel units cooperatively generate a coupling signal according to the data voltage signals applied to the activated row of pixel units, and superpose the coupling signal to the corresponding scanning signal so as to form a feedback signal. The common voltage circuit adjusts a reference voltage signal according to the feedback signal, and provides at least one common voltage signal to the pixel units.

Abstract: In one embodiment of the present application, a display is disclosed in which any defective pixel is rendered less noticeable even if a full-screen white display or suchlike is effected. In a normally-white liquid crystal display device, which transitions after power activation from non-display state through display starting state, where a full-screen blank white display is effected, to normal display state, an auxiliary electrode driver portion controls an auxiliary capacitance line voltage Vcs to be applied to auxiliary capacitance lines in accordance with the state of the liquid crystal display device in the following manner.

Abstract: A method for driving an LCD panel and an LCD using the same are provided. The method includes following steps. Firstly, a number of scan signals are provided sequentially, and an enabling time of the scan signals excluding the last scan signal is adjusted according to a compensation time, so as to unfix the enabling time of these scan signals. Next, the scan signals having the unfixed enabling time are sequentially provided to an LCD panel, so as to turn on a number of row pixels of the LCD panel one by one. Thereby, the entire brightness of the LCD can be uniformed by applying the method disclosed in the present invention.

Abstract: A method of improved reduced energy let through (RELT) mode selection in a switching apparatus includes receiving a request to disable a RELT mode of the switching apparatus, and, if the RELT mode of the switching apparatus is active, increasing a current threshold of the switching apparatus after a configurable amount of time has elapsed from the receipt of the request to disable the RELT mode.

Abstract: A liquid crystal display comprising: a receiver for receiving power and differential signal; a backlight power supply which supplies the power to a backlight unit; a power-off sensor which senses power-off of the backlight power supply and distorts one of the differential signals; and a controller which senses the distortion of the differential signal and generates an after-image removing gray-scale signal.

Abstract: An array substrate and a liquid crystal display (LCD) device having the array substrate are provided. The array substrate may include a pixel electrode, a coupling electrode and an opposite electrode. The pixel electrode may include a first sub-electrode having first electrode bars receiving a first voltage and a second sub-electrode having second electrode bars. The first electrode bars and the second electrode bars may be spaced apart from each other. The coupling electrode may be electrically connected to a portion of the first electrode bars, may have a opposite electrode bars and may overlap a portion of the second electrode bars to form coupling capacitor. The opposite electrode may be disposed between the first electrode bars and the second electrode bars to receive a second voltage different from the first voltage.