Abstract: A method and system to show information on a display while reducing power consumption of the display includes using a color cylinder to filter light from a light source. The color cylinder is to rotate around the light source to enable different primary color light to be delivered to a display system in a time-domain sequence. Frames are shown on the display in multiple sub-frames. Each sub-frame is associated with a primary color and is shown in synchronization with the same primary color being displayed.

Abstract: A liquid crystal display, including a signal controller having a logic circuit correcting n-bit source image data inputted from an external device into m-bit first corrected data and a multilevel graying unit converting the m-bit first corrected data into second corrected data with a bit number equal to or less than n bits, and a data driver outputting data voltages corresponding to the second corrected data from the signal controller, is provided. The signal controller classifies the source image data into at least two sections and corrects the source image data into the first corrected data based on gamma correction data predetermined by gamma characteristics of the source image data for each of the at least two sections.

Abstract: A display apparatus is disclosed. The display apparatus includes: a plurality of scan signal lines and a plurality of data signal lines that cross each other; a plurality of pixels formed at each crossing of the scan signal lines and the data signal lines, wherein each of the pixels includes a sub-pixels that display red color, green color, blue color and white color in response to a scan signal from the scan signal lines and a data signal from the data signal lines, wherein the sub-pixels are arranged in a 2×2 matrix; a scan signal driving circuit including a plurality of stages that supplies the scan signal to the scan signal lines; and a data signal driving circuit that supplies the data signal to the data signal lines, wherein the scan signal driving circuit, the pixels, the scan signal lines and the data signal lines are formed on a same substrate.

Abstract: It is an object of the present invention to reduce a cause of pseudo contour when display is performed with a time gray scale method. According to the present invention, one pixel is divided into m sub-pixels so that an area ratio of each sub-pixel becomes 20:21:22: . . . :2m?3:2m?2:2m?1 (m is an integer number of m?2), and one frame is divided into n sub-frames so that a ratio of a lighting period in each sub-frame becomes 20:2m:22m: . . . :2(n?3)m:2(n?2)m:2(n?1)m (n is an integer number of n?2). Then, a gray scale is expressed by controlling a manner of lighting in each of the m sub-pixels in each of the n sub-frames.

Abstract: A liquid crystal display and a method of modifying gray signals are provided. A gray signal modifier of the liquid crystal display includes a frame memory storing current gray signals and outputting previous gray signals stored therein, a case selector classifying pairs of the current gray signals and the previous gray signals into at least two groups based on characteristics of the difference between the current gray signals and the previous gray signals from the frame memory and generating corresponding signals, a lookup table outputting variables corresponding to MSBs of the current gray signals and the MSBs of the previous gray signals from the frame memory, and a calculator calculating the variables from the lookup table, LSBs of the current gray signals and the LSBs of the previous gray signals from the frame memory in a manner determined by the signals from the case selector and generating the modified gray signals.

Abstract: A pixel structure for a vertical emissive-reflective (emi-flective) display is provided. The pixel structure has a substrate, a self-light emitting pixel unit arranged on the substrate, and a reflective pixel unit arranged on the self-light emitting pixel unit. By using the vertical pixel structure, the aperture of the display can be increased, and the power consumption can also be decreased.

Abstract: A liquid crystal display device includes a plurality of pixel electrodes to which a data voltage is supplied, a plurality of common electrodes arranged to form electric fields with the pixel electrodes, a plurality of common wire lines commonly connected to the common electrodes in each horizontal line, a plurality of common voltage drive circuits to supply a common voltage to each of the corresponding common wire lines, and a controller for generating clock signals to control the common voltage drive circuits to invert an electric potential of the common voltage to be output from each of the common voltage drive circuits for each frame period.

Abstract: An organic light-emitting device and an organic light-emitting display having the same are provided. The organic light-emitting device comprises: an organic light-emitting diode emitting light using an output current; a storage capacitor for receiving a data voltage from a data line, and storing the received data voltage; a driving thin film transistor connected between a source voltage and the organic light-emitting diode and having a gate connected to one terminal of the storage capacitor; a first switching unit connected between the one terminal of the storage capacitor and the data line and having a gate connected with a first scan line; a second switching unit connected between the other terminal of the storage capacitor and an initialization voltage line and having a gate connected with the first scan line; and a third switching unit connected between the other terminal of the storage capacitor and the data line and having a gate connected with a second scan line.

Abstract: A light emitting display device and a method for driving the same are disclosed. Each pixel of the light emitting display device includes: a light emitting element that emits light in response to a drive current based on a gray-scale current on the associated data line; a first switching element that supplies the drive current to the light emitting element; a first voltage line that supplies a first voltage to a source electrode of the first switching element; a second switching element connected with the first switching element that forms a current mirror with the first switching element; a second voltage line that supplies a second voltage of the second switching element; and a voltage supply circuit that divides the first voltage from the first voltage line and the second voltage from the second voltage line and supplyies the resulting voltage to a source electrode of the second switching element.

Abstract: A method of driving and a liquid crystal display that are adaptive for preventing a motion blur phenomenon inserting a black data without reducing a data charging time are disclosed. In the liquid crystal display, a first gate line supplies a first scanning signal. A second gate line supplies a second scanning signal. A data line supplies a data signal. A common line supplies a common voltage. A first thin film transistor supplies the data signal in response to the first scanning signal. In a liquid crystal cell, a pixel electrode is connected to the first thin film transistor and a common electrode is connected to the common line. A second thin film transistor supplies the common voltage to the pixel electrode in response to the second scanning signal.

Abstract: A method of forming fine pattern includes providing a film, forming a photo-resist pattern on the film, ashing the photo-resist pattern and patterning the film by using the ashed photo-resist pattern as a mask.

Abstract: A liquid crystal display includes an array substrate which includes scanning lines, signal lines, pixel circuits each including a pixel switch and a pixel electrode, a first circuit switching a state of the scanning lines between a first state that they are electrically connected to one another and a second state that they are electrically disconnected from one another, and a second circuit switching a state of the signal lines between a third state that they are electrically connected to one another and a fourth state that they are electrically disconnected from one another, a counter substrate which includes a counter electrode, and a liquid crystal layer which is interposed between the array and counter substrates and contains a high-molecular weight material and a low-molecular weight liquid crystal material, the low-molecular weight liquid crystal material forming a bend configuration before energizing the display.

Abstract: The polarity inversion cycle of a voltage applied to a liquid crystal layer is set to at least 2-frame cycle, or more preferably to as long as about 10 sec. Accordingly, a flicker that could not have been prevented at a polarity inversion cycle of about one frame can be prevented, and a longer inversion cycle can reduce power consumption. A material low in ion reactivity and small in residual polarization is used as a liquid crystal material or an orientation film material, thereby preventing the occurrence of a residual DC component in a liquid crystal layer and the deterioration of display quality despite a longer polarity inversion cycle. In the case of an LCD provided with a minimal transmittance with respect to an applied voltage, black can be accurately displayed by, for example, regulating a common electrode potential so that an applied voltage at which the transmittance of a liquid crystal shows a minimum value during an anodic application period is equal to that during a cathodic application period.

Abstract: A driving circuit of a liquid crystal display device capable of processing interlace type video signals, includes a data driver inverting a polarity of a pixel data at least every two-field period, converting the pixel data every field period according to a variable gamma voltage, and supplying the inverted pixel data to a liquid crystal display panel, a value of the gamma voltage changing every field period.

Abstract: A driving circuit for driving a liquid crystal display device includes at least one first driving integrated circuit receiving a first polarity control signal, and at least one second driving integrated circuit receiving a second polarity control signal, the first polarity control signal being different from the second polarity control signal, the first and second driving integrated circuits respectively modifying a polarity of a set of video signals in accordance with the first and second polarity control signals.

Abstract: A liquid crystal display device including a liquid crystal display panel in which data lines and gate lines cross and a plurality of liquid crystal cells are arranged; a data discrimination part to detect data in which a dominant polarity is generated; a data driver to shift a polarity of the data in which the dominant polarity is generated in a horizontal direction and to supply the data to the data lines; and a gate driver to sequentially supply a scanning signal to the gate lines.

Abstract: A liquid crystal display (LCD) panel module and scan driver thereof is disclosed. The LCD panel module includes a LCD panel having data electrodes and scan electrodes, a scan driver and a data driver. The scan driver includes a timing controller, a scale-adjusting function circuit and an image gamma modulation circuit. The timing controller generates a first control signal and second control signal according to a first clock signal. The scan driver is controlled by the first control signal to drive the scan electrodes. The scale-adjusting function circuit adjusts an image scale corresponding to a first display signal and outputting a second display signal accordingly. The image gamma modulation circuit performs a gamma modulation on the second display signal to output a third display signal. The data driver, disposed on the LCD panel, drives the data electrodes to display pictures on the LCD panel according to the second control signal.

Abstract: A display device comprising: a display panel including a plurality of scan lines and a plurality of data lines; and an integrated circuit device including a display memory which stores data for at least one frame displayed in the display panel. The display memory (or RAM block) includes a plurality of wordlines, a plurality of bitlines, and a plurality of memory cells. The integrated circuit device has a side parallel to the scan lines of the display panel, and the bitlines of the display memory extend in a first direction parallel to the side.

Abstract: An integrated circuit device has a display memory which stores data for at least one frame displayed in a display panel which has a plurality of scan lines and a plurality of data lines. The display memory includes a plurality of RAM blocks, each of the RAM blocks including a plurality of wordlines WL, a plurality of bitlines BL, a plurality of memory cells MC, and a data read control circuit. Each of the RAM blocks is disposed along a first direction X in which the bitlines BL extend.

Abstract: An integrated circuit device having a display memory which stores data for at least one frame among the data displayed in a display panel which has a plurality of scan lines and a plurality of data lines. The display memory includes a plurality of wordlines, a plurality of bitlines, a plurality of memory cells, and a data read control circuit. The data read control circuit controls data reading so that data for pixels corresponding to a plurality of signal lines is read out by N times reading in one horizontal scan period of the display panel (N is an integer larger than 1).

Abstract: An integrated circuit device includes first to Nth circuit blocks CB1 to CBN disposed along a direction D1, a first interface region provided on the D2 side of the circuit blocks CB1 to CBN, and a second interface region provided on the D4 side of the circuit blocks CB1 to CBN. The circuit blocks CB1 to CBN include a data driver block DB and a circuit block other than the data driver block DB. When the widths of the first interface region, the circuit blocks CB1 to CBN, and the second interface region in the direction D2 are respectively W1, WB, and W2, the integrated circuit device has a width W in the direction D2 of “W1+WB+W2?W<W1+2×WB+W2”.

Abstract: An integrated circuit device includes: first to Nth circuit blocks CB1 to CBN disposed along a direction D1, the circuit blocks CB1 to CBN includes a data driver block DB. A data driver DR included in the data driver block DB includes Q driver cells DRC1 to DRCQ arranged along a direction D2, each of the driver cells outputting a data signal corresponding to image data for one pixel. When a width of each of the driver cells DRC1 to DRCQ in the direction D2 is WD, each of the circuit blocks CB1 to CBN has a width WB in the direction D2 of “Q×WD?WB<(Q+1)×WD”.

Abstract: An integrated circuit device including first to Nth circuit blocks CB1 to CBN disposed along a first direction D1, when the first direction D1 is a direction from a first side of the integrated circuit device toward a third side which is opposite to the first side, the first side being a short side, and when a second direction D2 is a direction from a second side of the integrated circuit device toward a fourth side which is opposite to the second side, the second side being a long side. The circuit blocks CB1 to CBN include a logic circuit block LB, a grayscale voltage generation circuit block GB, data driver blocks DB1 to DB4, and a power supply circuit block PB. The data driver blocks DB1 to DB4 are disposed between the logic circuit block LB and the grayscale voltage generation circuit block GB, and the power supply circuit block PB.

Abstract: An integrated circuit device includes: first to Nth circuit blocks CB1 to CBN disposed along a first direction D1, when the direction D1 is a direction from a first side of the integrated circuit device toward a third side which is opposite to the first side, the first side being a short side, and when a second direction D2 is a direction from a second side of the integrated circuit device toward a fourth side which is opposite to the second side, the second side being a long side. The first to Nth circuit blocks CB1 to CBN includes a logic circuit block LB which sets grayscale characteristic adjustment data; and a grayscale voltage generation circuit block GB which generates grayscale voltages based on the set adjustment data. The logic circuit block LB and the grayscale voltage generation circuit block GB are disposed adjacent to each other along the direction D1.

Abstract: An integrated circuit device, including first to Nth circuit blocks CB1 to CBN disposed along a first direction D1, when the first direction D1 is a direction from a first side of the integrated circuit device toward a third side which is opposite to the first side, the first side being a short side, and when a second direction D2 is a direction from a second side of the integrated circuit device toward a fourth side which is opposite to the second side, the second side being a long side. The circuit blocks CB1 to CBN include a scan driver block SB, a power supply circuit block PB, a data driver block DB, and a memory block MB. The scan driver block SB and the power supply circuit block PB are disposed adjacent to each other along the direction D1; and the data driver block DB and the memory block MB are disposed adjacent to each other along the direction D1.

Abstract: An LCD device, which is cost effective, is discussed. According to one embodiment, the LCD device includes a timing controller to generate an initial POL signal; a signal stabilizer to receive the initial POL signal from the timing controller and a constant voltage from a source, and to generate a stabilized POL signal using the received constant voltage and the received initial POL signal; and a common voltage generator to generate a common voltage signal using the stabilized POL signal and to supply the generated common voltage signal to an LCD panel.

Abstract: A gamma correction device for use in a display device includes a gamma voltage controller to generate a digital gamma signal in a unit of a predetermined interval, and a gamma voltage generator to generate an analog gamma voltage corresponding to the digital gamma signal.

Abstract: A liquid crystal display device having an output buffer connected to at least one of a common electrode and a data line of a liquid crystal display panel as well as a power switch for driving the output buffer by dividing into an on-period and an off-period.

Abstract: This invention relates to a method of forming fine pattern that is adaptive for forming a fine pattern without limit of an exposure resolution, a liquid crystal display device and a fabricating method. The method of forming fine pattern comprises forming a photo-resist pattern on a transparent conductive layer. The photo-resist pattern having a minimum line width corresponding to an exposure resolution of an exposure device. The method further comprises over-etching the transparent conductive layer by an etching process using the photo-resist pattern as a mask to form an electrode pattern having a line width narrower than the exposure resolution of the exposure device.

Abstract: Timing controllers, display devices and methods of operating the same are provided. The timing controller of a display device includes a timing generator, a frame counter unit and an initial operation control unit. The timing generator generates a source driver control signal and a gate driver control signal for controlling a source driver and a gate driver, respectively, based on a synchronization signal input from an external device. The frame counter unit operates a frame counter based on the synchronization signal. The initial operation control unit controls the gate driver control signal based on an output of the frame counter unit in order for an output of the gate driver to be disabled during a period of time after the display device is powered-on.

Abstract: In a driver unit for driving a display panel and a nonvolatile memory, a level shifter circuit receives a driver control signal to generate a level-shifted driver control signal. A display panel driver circuit drives the display panel in accordance with the level-shifted driver control signal. A nonvolatile memory driver circuit drives the nonvolatile memory in accordance with the level-shifted driver control circuit. A selection circuit selects one of the display panel driver circuit and the nonvolatile memory driver circuit.

Abstract: An integrated circuit device includes first to Nth circuit blocks CB1 to CBN, a first interface region disposed along a fourth side and on the D2 side of the first to Nth circuit blocks CB1 to CBN, and a second interface region disposed along a second side and on the D4 side of the first to Nth circuit blocks CB1 to CBN. A local line LLG formed using a wiring layer lower than an Ith layer is provided between the adjacent circuit blocks as at least one of a signal line and a power supply line. Global lines GLG and GLD formed using the Ith or higher wiring layer are provided along the direction D1 over the circuit block disposed between the nonadjacent circuit blocks as at least one of a signal line and a power supply line.

Abstract: An integrated circuit device includes a data driver block for driving data lines. The data driver block includes a plurality of subpixel driver cells, each of which outputs a data signal corresponding to image data of one subpixel. When a direction along the long side of the subpixel driver cell is a direction D1 and a direction perpendicular to the first direction is a direction D2, the subpixel driver cells are disposed in the data driver block along the direction D1 and the direction D2. Pads are disposed on the D2 side of the data driver block. A rearrangement wiring region for rearranging the order of pull-out lines of output signals from the subpixel driver cells is provided in the arrangement region of the subpixel driver cells.

Abstract: An integrated circuit device includes a scan driver block SB which generates a control signal for driving a scan line, a pad PDt electrically connected with the scan line, and transistors pDTrt and nDTrt of which a connection node DNDt is electrically connected with the PDt pad and which are push-pull connected between a high-potential-side power supply and a low-potential-side power supply. The transistors pDTrt and nDTrt are gate-controlled based on the control signal from the scan driver block SB. The pad PDt is disposed in an upper layer of at least one of the transistors pDTrt and nDTrt so that the pad PDt overlaps part or the entirety of at least one of the transistors pDTrt and nDTrt.

Abstract: The present invention provides a display device which is capable of fetching input signals of a small amplitude into the inside thereof. A level converting circuit includes a first-conductive-type first transistor having a gate electrode to which input signals are applied through a first capacitive element, a second-conductive-type second transistor having a gate electrode to which input signals are applied through a second capacitive element, a first bias circuit which applies a first bias voltage to the gate electrode of the first transistor and a second bias circuit which applies a second bias voltage to the gate electrode of the second transistor. Here, the first bias voltage is a voltage which turns off the first transistor when a voltage applied to the gate electrode of the first transistor assumes a maximum value and the second bias voltage is a voltage which turns off the second transistor when a voltage applied to the gate electrode of the second transistor assumes a minimum value.

Abstract: A level shifter includes a first switch, a second switch, an energy storing device, a loading device, a third switch, a diode, a forth switch, a transistor, and a fifth switch. The first switch, coupled to a first voltage, is controlled by an input signal. The second switch, coupled to the first switch, is controlled by a control signal. The energy storing device is coupled to the first and second switches. The loading device is coupled to the energy storing device. The third switch, coupled to the loading device, is controlled by a shift register anti-phase signal. The diode is coupled to the loading device and third switch. The forth switch, coupled to the diode, is controlled by the shift register anti-phase signal. The transistor is coupled to the diode for outputting an output signal. The fifth switch, coupled to the transistor, is controlled by the shift register anti-phase signal.

Abstract: An LCD device includes a plurality of gate lines formed in an LCD panel; a plurality of driving stages, each of which sequentially outputting a respective enabling scan pulse to a corresponding one of the plurality of gate lines; at least one dummy stage responsive to an enabling scan pulse from a first one of the plurality of driving stages and supplying a disabling scan pulse to a second one of the plurality of driving stages to disable outputting of the enabling scan pulse; and a dummy gate line electrically connected to the at least one dummy stage.

Abstract: A line-on-glass liquid crystal display device includes data lines for supplying data signals to drive sub-pixel units on a substrate, gate lines for supplying gate signals, and a gate low voltage stabilization circuit connected to a gate low voltage line from a data printed circuit board for applying a gate low voltage signal to the sub-pixel units.

Abstract: An analog sampling apparatus for a liquid crystal display device includes: a data driver to generate an analog data voltage; a data output bus line to receive the analog data voltage; a first sampling and holding circuit connected to the data output bus line to compensate an offset voltage in the analog data voltage and to supply the analog data voltage to a data line of a liquid crystal display panel; and a second sampling and holding circuit connected to the data output bus line arranged to sample the analog data voltage while the analog data voltage is supplied to the data line by the first sampling and holding circuit. The first sampling and holding circuit is arranged to supply the analog data voltage while the second sampling and holding circuit samples the analog data voltage, and to sample the analog data voltage while the second sampling and holding circuit supplies the analog data voltage.

Abstract: A shift register having a plurality of stages in which each of the stages includes: an input circuit part arranged to receive an input signal; an exclusive OR circuit arranged to generate a toggle signal by an exclusive OR operation on a non-inversion output and an inversion output of the input circuit part; and an output circuit part arranged to supply one of a clock signal and a feedback signal from an output terminal to the output terminal and an input terminal of the next stage in response to the toggle signal.

Abstract: A driving circuit of a display device and a method for driving the display device are disclosed which are capable of reducing distortion of scan pulses supplied to gate lines of a liquid crystal panel. The driving circuit includes a first shift register for sequentially supplying first scan pulses to one-side ends of gate lines included in a display, respectively, to sequentially drive the gate lines, the first shift register simultaneously driving at least two adjacent ones of the gate lines for a predetermined period of time, and a second shift register for sequentially supplying second scan pulses to the other-side ends of the gate lines, respectively, to sequentially drive the gate lines, the second shift register simultaneously driving at least two adjacent ones of the gate lines for a predetermined period of time.

Abstract: There are provided an LCD and a driving method thereof for charging each data line of the LCD with sufficient data voltage. The present invention has a switching device installed between every adjacent data line, and the switching device connects the data line before a gate-on voltage is applied to the gate line thereby pre-charging the data line by charge sharing effect between the connected adjacent data lines and significantly reducing the change of the data line voltage by parasitic capacitance.

Abstract: A plasma display device has a power module having a plurality of power devices, and temperature detecting means installed in the power module. The power module drives a plasma display panel in accordance with a signal from input signal control means, and has a plurality of power devices for generating a drive signal for the plasma display panel, and temperature detecting means for detecting the temperature of the power module. The temperature of the power module is controlled by feeding temperature information detected by the temperature detecting means back to the input signal control means.

Abstract: Some embodiments of the invention provide a device, system and method for displaying a color image. According to some exemplary embodiments of the invention a device for displaying a color image may include an illumination source including a plurality of light-producing elements able to produce light of each of m different wavelength spectra, wherein m is equal to or greater than three. The device may also include an array of attenuating elements able to spatially selectively attenuate the light produced by the illumination source according to an attenuation pattern corresponding to a gray-level representation of the color image, and an array of color sub-pixel filter elements able to receive selectively attenuated light from the array of attenuating elements, each sub-pixel filter element able to transmit light of one of n different primary colors, wherein n is equal to or greater than four.

Abstract: An apparatus for driving a backlight includes a controller for driving a lamp; a limiter for preventing the controller from driving the lamp during a contact condition of the lamp; and means for disabling the limiter during a first time of the controller, wherein the controller drives the lamp from a zero condition to the contact condition during the first time of the controller.

Abstract: A method of manufacturing a liquid crystal display (LCD) without an aging process. The method of manufacturing the LCD includes: assembling an LCD panel; heating a local area of the assembled LCD panel up to a predetermined target temperature; and adjusting a white balance by setting color coordinate and luminance when the predetermined target temperature is reached. Accordingly, an equipment investment cost and an equipment maintenance cost for the aging process can decrease, and a consumed power can decrease.

Abstract: A driving apparatus and method of an LCD device improves the brightness and the contrast ratio of an image. The driving apparatus includes an LCD panel for displaying an image corresponding to a data signal. A data driver supplies the data signal to the LCD panel. A gate driver supplies a scan signal to the LCD panel. A picture quality improving unit generates a histogram by dividing brightness components of input data into levels, generates data with an extended contrast ratio, and then generates a brightness control signal according to the average value of the histogram. A timing controller supplies reordered data, and controls the data driver and the gate driver. A backlight provides light to the LCD panel. An inverter drives the backlight based on the brightness control signal.

Abstract: A flat panel display device, LCD controller and associated method is provided. The flat panel display device includes a display panel, a lamp for providing a backlight source for the display panel, a power transformation module for providing a power source for the lamp, a non-volatile storage unit for storing program code, and a display controller. The display controller includes an image processing module for processing image data and outputting processed results to the display panel, and a digital pulse width modulation module for adjusting on and off time of the power transformation module according to a synchronization signal.

Abstract: A flat panel display device, LCD controller and associated method is provided. The flat panel display device includes a display panel, a lamp for providing a backlight source for the display panel, a power transformation module for providing a power source for the lamp, a non-volatile storage unit for storing program code, and a display controller. The display controller includes an image processing module for processing image data and outputting processed results to the display panel, and a digital pulse width modulation module for adjusting on and off time of the power transformation module with reference to a synchronization signal.

Abstract: A liquid crystal display (LCD) and corresponding driving method. The LCD includes a liquid crystal display panel for displaying images, a gate driver and a source driver for supplying scan signals and analog pixel signals to gate and data lines of the liquid crystal panel, a backlight unit having a side radiation type LED array that is driven sectionally by a plurality of unit areas to irradiate light to the liquid crystal display panel, and a luminance controller for controlling a luminance of the LED array by unit areas according to surrounding units areas.