Abstract: A display device includes a divided display region that includes pixels and gate drivers each configured to scan gate lines included in the divided display region. The display device also includes source drivers each configured to output, for each of groups of data lines, a video signal based on a grayscale signal in order from a corresponding gate driver side based on each delay amount set in advance and a register unit configured to store the each delay amount. The register unit stores the each delay amount so that, when at least one gate driver scans in a first order from an edge of the divided display region toward a center, the video signal corresponding to the pixels positioned on a centermost side of the display region is output to the pixels, in a period including a part of a vertical flyback period of after one frame period has finished.

Abstract: An image processing device comprising: a conversion unit to receive a first input signal including first color information, a first color being reproduced at pixels on the basis of the first color information, the first input signal including first color information obtained from an input image signal corresponding to a red component, a green component and a blue component, to specify saturation of the first color, and configured to obtain luminance attenuation ratio on the basis of a relationship previously stored between saturation and luminance attenuation ratio, and the saturation of the first color, and to output a second input signal including second color information whose luminance is decreased from the first color information on the basis of the luminance attenuation ratio corresponding to the first color information; and a signal processing unit configured to output an output signal for driving the pixels on the basis of the second input signal.

Abstract: A data driver is disclosed. The data driver includes a first latch unit including a plurality of first latches configured to store data, a selector configured to select and/or output data in two or more first latches, a level shifter unit configured to convert a voltage level of the data in the two or more selected first latches and output the voltage level-converted data, and a second latch unit including a plurality of second latches configured to store the voltage level-converted data.

Abstract: Controlling haptic feedback in a mobile communication device is provided. Metadata associated with a set of objects within requested content is parsed to identify each object within the requested content having an associated frequency pattern included in the metadata. The requested content is displayed in a display device. A touch input is received on the display device at a location of an identified object that has an associated frequency pattern within the requested content. A frequency and a duration of a vibration generated by a variable frequency vibration device simulating a tactile texture of the identified object touched within the requested content is controlled using the associated frequency pattern of the identified object.

Abstract: There is provided an organic light emitting display capable of improving the display quality of a low brightness region. The organic light emitting display includes pixels positioned at intersections of scan lines, emission control lines, and data lines, a converter for receiving data to generate brightness values, a timing controller for extracting emission time values and gamma values to correspond to the brightness values, an emission control line driver for supplying emission control signals to the emission control lines so that emission times of the pixels are controlled to correspond to the emission time values, and a gamma voltage generator for generating gamma voltages corresponding to the gamma values.

Abstract: An image display device is capable of displaying an image, in which occurrence of color unevenness is suppressed. A method of driving the image display device is also disclosed. In an area above the dotted line, red light is transmitted in a first sub-frame period. In second and third sub-frame periods, light blocking data are respectively supplied as green data and blue data. Therefore, green light and blue light cannot be transmitted through the area. Hence, a red image with no color unevenness is displayed in the area. In contrast, in an area under the dotted line, the red light is transmitted in the first sub-frame period, and the green light is transmitted in the second sub-frame period. As a result, in a viewed image of the area, there is color unevenness where green is mixed to red.

Abstract: A shifting register, a gate driving apparatus and a display apparatus comprising the shifting register.

Abstract: A display apparatus includes: a pixel array section including a row of 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 in the holding capacitor, the driving transistor changes the device to a luminous state, the switching transistor becomes ON in advance of the sampling of the video signal to change the light emitting device to a non-luminous state, and the sampling transistor takes in the OFF voltage from the signal line to the driving transistor, thereby preventing a penetration current from flowing from the power source toward the fixed potential.

Abstract: The present invention is directed to driving methods for a color display device which can display high quality color states. The display device utilizes an electrophoretic fluid which comprises three types of pigment particles having different optical characteristics.

Abstract: An image sticking controller includes a gamma conversion unit configured to gamma-convert gray scale values respectively corresponding to a plurality of pixels, and to output the gamma-converted gray scale values as gamma conversion values, a data accumulation unit configured to accumulate the gamma conversion values into an accumulation data, the accumulation data including a minimum accumulation value, a maximum difference value indicating a difference between the minimum accumulation value and a maximum accumulation value, and difference values indicating respective differences between the minimum accumulation value and an accumulation value of each of the pixels, an image sticking analysis unit configured to output an image sticking decrease control signal when the maximum difference value is greater than a reference value, and a data conversion unit configured to convert the gray scale values in response to the image sticking decrease control signal, such that image sticking is reduced.

Abstract: A display device includes a display panel including data lines, a source driver positioned at one side of the display panel, and a timing controller which sequentially stores digital video data in a plurality of line memories, starts to generate an output data enable signal in conformity with a first writing start timing of a last line memory of the line memories, adjusts a pulse width of the output data enable signal of each horizontal pixel line based on a previously determined charge time graph, reads out the digital video data from the line memories in synchronization with rising edges of the output data enable signal, and generates a source output enable signal having the same pulse width each time each line memory finishes reading out the data.

Abstract: Provided is a display device or the like which can illuminate a subject with high-luminance illumination light. Another embodiment of the present invention provides a display device which can be used as a light source for a subject, or a display device which can be used as a light source for a subject, can display images and texts, and can switch these functions. The transistor of the light-emitting device is configured to operate in a saturation region in a period during which the light-emitting device displays text or an image, and is configured to operate in a linear region in a period during which the light-emitting device emits illumination light to a subject.

Abstract: A display device includes a display panel having a plurality of source and gate lines and a plurality of pixels at intersection points of the gate lines and source lines, a gate driver configured to output a plurality of gate driving signals for driving the gate lines, a source driver configured to output a plurality of source driving signals for driving the source lines, a gray voltage generator configured to supply a plurality of gray scale voltages to the source driver, and a common voltage generator configured to generate a plurality of common voltages having different levels and to alternately supply one of the generated common voltages in sequence to the pixels per frame, the source driver being configured to output a source driving signal in response to a data signal in accordance with a level of the common voltage supplied by the common voltage generator.

Abstract: An information processing apparatus includes a touch panel which displays pieces of identification information including letters, figures, and symbols and detects a contact of the panel with a finger of a user or other object. When the touch panel detects the contact of the panel, a detection unit specifies identification information of one or more of the multiple pieces of identification information displayed on the touch panel, indicated by a position at which the contact in question occurred. The detection unit also detects an area of part of the panel where the contact occurred. A storage unit stores reference identification information and a reference area range. A control unit performs particular processing upon matching of the detected identification information with the stored reference identification information and the area of the contact detected by the detection unit falling within the stored reference area range.

Abstract: In one embodiment of the present invention, an overdrive (OD) method includes: acquiring a display grayscale value of a current frame within a display grayscale range; obtaining a target grayscale value of the current frame within a target grayscale range according to the display grayscale value of the current frame, where a minimum target grayscale value is larger than a minimum display grayscale value, and/or a maximum target grayscale value is smaller than a maximum display grayscale value, and each display grayscale value within the display grayscale range correspond one by one to one target grayscale value within the target grayscale range; and obtaining a system grayscale value of the current frame according to the target grayscale value of the current frame and a display grayscale value or a system grayscale value of a previous frame, and outputting a corresponding gamma voltage according to the system grayscale value.

Abstract: A display device which includes pixels, a plurality of gate lines, a plurality of data lines, a gate driver configured to drive the plurality of gate lines, a data driver configured to drive the plurality of data lines, and a timing controller configured to control the gate driver and the data driver. The timing controller receives a first image signal and outputs a second image signal to the data driver. The timing controller sequentially outputs a boosting signal and the first image signal as the second image signal. The boosting signal is based on the first image signal and the previous first image signal.

Abstract: Described herein is a computer-implemented system and method for processing one or more alternate symbols associated or linked to a base symbol. A base symbol is a symbol to which at least one alternate symbol is linked. A base symbol commonly appears on a key of a keyboard or a display of a keyboard, or is a handwritten symbol recognized by handwriting entry software. Examples of alternate symbols are accented characters and punctuation marks that do not appear on a keyboard or are not commonly recognized by a handwriting entry program, and short symbol sequences. An example of a common short symbol sequence is an emoticon used in e-mail messages to convey tone or feelings. An example of a computer device that may embody the system or method is a hand-held computing device.

Abstract: To suppress deterioration of quality of a still image displayed with a reduced refresh rate. A liquid crystal display device includes a display portion that is controlled by a driver circuit and includes normally white mode (or normally black mode) liquid crystals, and a timing controller for controlling the driver circuit. The timing controller is supplied with an image signal for displaying a moving image and an image signal for displaying a still image. The absolute value of a voltage applied to the liquid crystals in order to express black (or white) in an image corresponding to the image signal for displaying the still image is larger than that of a voltage applied to the liquid crystals in order to express black (or white) in an image corresponding to the image signal for displaying the moving image.

Abstract: A method of accumulating data by a processor in a nonvolatile memory to track use of a device. The method includes: retrieving by the processor a next datum for accumulation into a first accumulation stored in the memory, the next datum representing a next use of the device; generating by the processor a next dither offset; adding by the processor the next dither offset to the next datum to produce a first sum; dividing by the processor the first sum by a scale factor to produce a quantized datum; and adding by the processor the quantized datum to the first accumulation. The first accumulation tracks the use of the device.

Abstract: The invention discloses a liquid crystal driving method and apparatus for black frame insertion of an image, and a liquid crystal display device. The method includes, in a black frame insertion period after the frame period ends, sending, by a timing controller, a row of black image data to a register of a source driver; and in the black frame insertion period, maintaining, by the register, the row of black image data being output until the black frame insertion period ends, so as to enable the row of black image data to refresh each row of liquid crystal cells. Accordingly, the complexity of driving processes and the data calculations in the black frame insertion are greatly reduced.

Abstract: The present invention relates to a display device, including a display panel, a backlight module under the display panel and a driving circuit, wherein, a filter substrate of the display panel includes a plurality sets of filters each of which includes a red filter, a blue filter and a transparent filter; the backlight module includes a white backlight and a green backlight; and the driving circuit drives the white backlight to emit light and drives a red and blue pixels corresponding to the red and blue filters respectively to display at odd frames (or even frames), and drives the green backlight to emit light and drives a transparent pixel corresponding to the transparent filter to display at even frames (or odd frames). With the above technical solution, the Adobe RGB color coordinates can be met while a color of a mixed light can be adjusted and brightness can be enhanced.

Abstract: In an embodiment, a method of producing a multi-level RF signal includes producing plurality of pulse-width modulated signals based on an input signal. The method further includes driving a corresponding plurality of parallel amplifiers with the plurality of pulse-width modulated signals by setting a parallel amplifier to have a first output impedance when a corresponding pulse-width modulated signal is in an active state and setting the parallel amplifier to have a second output impedance when the corresponding pulse-width is in an inactive state. The method also includes phase shifting the outputs of the plurality of parallel amplifiers, wherein phase shifting transforms the second output impedance into a third impedance that is higher than the second output impedance, and combining the phase shifted outputs.

Abstract: A display panel module includes: a pixel array section in which a sub-pixel formed by a self-luminous element of a current-driven type and a pixel circuit configured to drive and control the self-luminous element is arranged in a form of a matrix; a signal line driving section configured to drive a signal line; a writing control line driving section configured to control writing of a potential appearing in the signal line to the sub-pixel on a basis of a first scan clock; and a power supply controlling section configured to control supply of driving power to the sub-pixel and stop of the supply of the driving power, the power supply controlling section controlling timing of the supply of the driving power defining a lighting period of the self-luminous element on a basis of a second scan clock having a higher speed than the first scan clock.

Abstract: A display device includes a timing controller for controlling the display of an image. The timing controller forms a frame for an image signal based on a main frame, a compensation frame, and at least one blank frame. The timing controller also determines a driving method for the display pixels to generate output image data. The main frame serves to display the image signal. The compensation frame serves to compensate luminance of the main frame. The blank frame serves to express a black gray scale value.

Abstract: Provided is a display device capable of suppressing reduction in display quality even when pause drive is performed, while allowing the intensity of a light source to be changed in accordance with images to be displayed. In a liquid crystal display device with the CABC function, 7.5-Hz pause drive is performed. A transition period is provided in which images to be displayed are changed gradually from bright image X to dark image Y. In the transition period, the duration of a sub-transition period is five frames. Once the transition period starts, the duration of a vertical display period changes from eight frames to one frame. That is, 7.5-Hz pause drive switches to 60-Hz normal drive. In this manner, the duration of the vertical display period is set to be less than or equal to the duration of the sub-transition period, so that screen refresh is always performed in each sub-transition period of the transition period.

Abstract: A method of displaying a stereoscopic image for an organic light emitting display device that selectively displays a planar image and the stereoscopic image using a digital driving technique. A display mode is set to be a stereoscopic image display mode, a left image frame is divided into a left black data period and a left real data period, a right image frame is divided into a right black data period and a right real data period, and the left image frame and the right image frame are synchronized with a left shutter and a right shutter of shutter glasses, respectively. The left real data period is set to be longer than the left black data period, and the right real data period is set to be longer than the right black data period.

Abstract: A method of driving a display panel includes outputting a data voltage of three-dimensional (“3D”) image data included in a left-eye data frame and a right-eye data frame to the display panel along a scanning direction of a first direction during a first period, blocking the data voltage from being provided to the display panel during a second period and outputting a black data voltage to the display panel during a third period that is less than the first period.

Abstract: A display apparatus includes a light source configured to generate lights having a plurality of colors, the light source configured to be driven in a field sequential color driving method; and a display panel configured to receive the lights to display an image, display the colors at a first area in a first order, and display the colors at a second area different from the first area in a second order different from the first order.

Abstract: An image projection device includes: a drive control unit that generates colors sequentially; a setting unit that sets a color of an illumination image; an image capturing control unit that receives, from the drive control unit, a synchronization signal that specifies a timing at which light of a color closest to the set color of the illumination image is not projected and causes an image of a projection surface to be captured in accordance with the timing that is specified by the synchronization signal; an illumination image detection unit that detects, from captured image data, an illumination image that is produced by illuminating the projection surface by an illuminating device; and an illumination image generation unit that generates projection image data obtained by combining given image data at a position at which the illumination image is detected.

Abstract: A method of digital-driving an organic light emitting display device, which divides one frame into a plurality of sub-frames, is provided. In this method, a total number of scan operations, which are to be performed during the frame, is calculated based on a number of scan-lines and a number of the sub-frames, an emission time of each of the sub-frames is set based on a gray level maximum value and the total number of the scan operations, the emission times of the sub-frames are modified by permitting errors to the emission times of the sub-frames to control a sum of the emission times of the sub-frames to be equal to the total number of the scan operations, and each sub-frame scan timing of the scan-lines is sequentially shifted by N horizontal scan intervals, where N is the number of the sub-frames.

Abstract: Independent color stretch is an improved method for “stretching” the color sequence utilized in color-sequential displays using switchable light sources, such as LED or Laser, to match the frame rate of the video source. It utilizes a stretch factor that is directly proportional to the sequence duration to simplify the calculation of stretch factors and allow them to be combined. Independent color stretch also provides independent stretch factors for each color and allows real-time adjustment of the duty cycle of each color.

Abstract: A backlight driver and a liquid crystal display (LCD) including the same, in which the backlight driver includes an interface unit enabled in response to a first carry signal, receiving serially provided optical data, and outputting a second carry signal; and a plurality of control units controlling one or more light-emitting devices in response to the serially provided optical data.

Abstract: A display apparatus includes a plurality of pixels connected to a plurality of gate lines and a plurality of data lines and a timing controller, in which each pixel includes a first sub-pixel and a second sub-pixel. In such a display apparatus, the timing controller provides the first sub-pixel and the second sub-pixel with a first data signal and a second data signal corresponding to one of a high gray scale curve and a low gray scale curve, alternately every frame, when the image signal is a first type of image signal, and the timing controller provides the first sub-pixel with a first data signal corresponding to the high gray scale curve and the second sub-pixel with a second data signal corresponding to the low gray scale curve when the image signal is a first type of image signal.

Abstract: In method of driving a bistable nematic dot-matrix liquid crystal display panel, a first pulse voltage is applied to nematic liquid crystal molecules to raise the nematic liquid crystal molecules in the longitudinal direction. After application of the first pulse voltage, a second pulse voltage is applied to the nematic liquid crystal molecules for selecting one of two stable orientation states of the nematic liquid crystal molecules. Immediately after the application of the second pulse voltage, an AC pulse waveform of a voltage lower than a last pulse of the second pulse voltage is applied to thereby remove residual electric charges remaining in the bistable nematic dot-matrix liquid crystal display panel.

Abstract: There is provided a display device including a display unit having pixels, each of which includes a luminescence element that individually becomes luminous depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a voltage signal, where the pixels are arranged in a matrix pattern. The display device includes an average luminance calculator (200) for calculating average luminance for a predetermined period of the input picture signal, and also includes a luminous time setter (202) for setting an effective duty depending on the calculated average luminance by the average luminance calculator (200), the effective duty regulating for each one frame a luminous time for which the luminescence element is luminous. The luminous time setter (202) sets the effective duty such that a luminescence amount regulated by a preset reference duty and possible maximum luminance of a picture signal.

Abstract: An active matrix display may include: a panel including a plurality of scan lines which transmit scan signals, a plurality of data lines which transmit data signals in response to the scan signals from the scan lines, a plurality of pixel circuits which are formed in a plurality of pixels, and each of the pixel circuits include a display element and a driving transistor driving the display element, and a power line which supplies a driving current to the driving transistor; a scan driver selectively transmitting the scan signals to the scan lines; a compensation circuit unit generating a compensation signal for compensating a voltage drop of the power line which results from a change in a total driving current flowing through the panel; and a data driver compensating the data signals using the compensation signal and transmitting compensated data signals to the data lines.

Abstract: A process of operating a PWM display system wherein some display data bits are assigned substantially equal time weights. Display data codewords are defined for every pixel intensity value to form display data codeword tables so that there are at least as many display data codeword tables as the number of display data bits with substantially equal time weights. The display pixel is subsequently operated in a digital manner according to the display data codeword in the selected display data codeword table to display a desired pixel intensity value. The display data codeword tables are configured so that immediately adjacent display pixels are operated so that identical pixel intensity values are displayed with different temporal sequences.

Abstract: An organic light emitting diode (“OLED) display comprises a plurality of pixels which receives a first data signal, which is a data signal of a frame, through a plurality of data lines connected thereto, and stores the first data signal during a frame period of the frame, where the pixels simultaneously emit light based on a driving current corresponding to a second data signal, which is a data signal of a previous frame, where the frame period includes a scan period, during which the first data signal is stored, and a light emission period, during which the light is emitted based on the second data signal, the scan period and the light emission period overlap each other in the frame period.

Abstract: A technique for driving a column of pixels that include light emitting elements. The technique incorporates feedback data provided from feedback data sources connected to the data line and to feedback line of the array, pixel driving circuit with feedback path. The technique can also include block of the reference elements for input signal corrections.

Abstract: A lighting apparatus includes a plurality of light sources of which emissions of light are able to be controlled independently of one another, a control unit configured to control brightness of each light source, and a measurement unit configured to measure the brightness of each light source. In cases where the brightness of each light source is measured, the control unit carries out a first control which causes a measurement target light source to turn on and at the same time light sources other than the measurement target light source to turn off, and a second control which decreases the brightness of each of the light sources in a stepwise manner immediately before a turn-off period of time thereof, and which increases the brightness of each of the light sources in a stepwise manner immediately after the turn-off period of time.

Abstract: In a unit drive circuit in each stage in a shift register, a transistor which is maintained in ON state during a period where the unit drive circuit in the stage does not perform an outputting operation is configured not to generate Vth shift. As switches, transistors T6A, T6B are connected between the output terminal OUT and AC power sources VA, VB. At least one of T6A, T6B is brought into ON state and T6A, T6B are alternately brought into OFF state during the period other than the outputting operation period. VA, VB supply L level during a period where T6A, T6B are in ON state, while VA, VB supply a ground potential GND which is an intermediate potential between an H level and an L level during a period where T6A, T6B are in OFF state.

Abstract: A display and methods of driving the display, where the display includes a plurality of pixels, where some colors are present in every pixel, and some colors are only present in less than all of the pixels.

Abstract: Provided is a video display device wherein a light emission luminance control is performed in accordance with a video signal corresponding to each of a plurality of divisional areas of a backlight. In the video display device: while power limiting control is being performed, the contrast can be improved and further the feeling of brightness for a high-luminance video can be increased; and even when an OSD image is displayed, display quality can be prevented from being degraded. A backlight control portion of the video display device defines a first luminance of LED for each divisional areas according to a first feature amount for a video indicated by a video signal after synthesizing of an OSD signal to be displayed in a display area corresponding to the divisional area, and controls the LED light emission by uniformly multiplying the first luminance by constant scale factor in a range where a total value of the LED drive current is equal to or less than a predetermined allowable current value.

Abstract: Embodiments provide techniques for providing copy protection from capturing a displayed image using one or more camera devices. Embodiments generate a plurality of frames, based on the received image, such that when the plurality of frames are displayed using at least a threshold refresh rate, the displayed plurality of frames appears as the received image when viewed by a user, and the displayed plurality of frames appears as one of a plurality of other images when captured by an image capture device. The plurality of frames are then output for display on one or more display devices configured to use at least the threshold refresh rate.

Abstract: An organic light emitting diode (OLED) display includes a display unit including a plurality of pixels connected to a plurality of data lines, a plurality of scan lines, a plurality of initializing control lines, and a plurality of light emission control lines, a scan driver to output scan signals to the scan lines and initializing signals to the initializing control lines, and a data driver to output data signals to respective ones of the data lines. A first pixel and a second pixel may be commonly connected to a scan line and a data line. The scan driver may output at least one first initializing signal and at least one second initializing signal to the first pixel and second pixel, respectively. The scan signals and the first and the second initializing signals may be activated at different points in time.

Abstract: A method for modifying an image to be displayed on a display includes receiving an image to be displayed on the display having a backlight and a transmissive panel. A backlight signal is provided to the backlight for causing the backlight to selectively illuminate different portions of the backlight with different characteristics. The characteristics include at least one of a different color and a difference luminance. A panel signal is provided to the panel for causing the transmissive panel to selectively change its transmittivities. At least one of the backlight signal and the panel signal are modified in a manner to reduce off-axis artifacts in selected regions of the display.

Abstract: A micro-electro-mechanical (MEM) display module including a MEM display panel and a light-emitting apparatus is provided. The MEM display panel includes a plurality of first light-shielding units, a plurality of second light-shielding units, a light-shielding pattern layer and a reflective pattern layer. Each first light-shielding unit includes a first movable light-shielding device having at least one first opening. Each second light-shielding unit includes a second movable light-shielding device having at least one second opening. The light-shielding pattern layer has a plurality of third openings. In a display mode, the first opening of at least one first movable light-shielding device overlaps at least one third opening, and each second movable light-shielding device covers the reflective pattern layer.

Abstract: A display panel driving apparatus includes an image pattern analyzing part, a clock signal generating part and a data driving part. The image pattern analyzing part is configured to analyze an image pattern of an image data. The clock signal generating part is configured to generating a clock signal having a different pulse width according to the image pattern of an image data. The data driving part is configured to drive a data line of a display panel in response to the clock signal. Thus, power consumption and heating of the data driving part may be decreased.

Abstract: A luminous intensity distribution system includes a first optical element extending in a first direction, and distributes, given that a first direction is taken to be leftward-rightward when viewed frontward-rearward, light having entered a light-incident surface from a right-rear direction and emits the light through a light-emitting surface toward a right-forward direction when viewed from the frontward end, and distributes light having entered the light-incident surface from a left-rear direction and emits the light through the light-emitting surface toward a left-forward direction when viewed from the frontward end; and a second optical element extending in the first direction and that diffuses light having entered the light-incident surface and emits the light through the light-emitting side, with the first optical element and the second optical element being arranged in parallel with each other vertically when viewed frontward-rearward.

Abstract: Aspects of the invention can provide a display device, a display method, and a projection type display device that allow a characteristic of a display image such as brightness to be continuously changed. The display device can include a light source capable of emitting a plurality of different color lights and a white light, and an optical modulation device for modulating light corresponding to the lights emitted from the light source. The ratio of the period of emitting the white light relative to the total of the periods of emitting the lights from the light source can be variable.