Abstract: Variations of the techniques, systems, devices, and methods discussed herein pertain to a pixel-level mask for a photo-detector. Such a mask may have a layer of reconfigurable phase-change material (PCM) configured to vary between a first refractive index and a second refractive index. Such a PCM layer may be divided into individual pixel areas such that each individual pixel area may be set to have the first refractive index or the second refractive index. The PCM layer may be disposed on a photo-detector such that incident radiation detected by the photo-detector must pass through the PCM layer in order to be detected. The mask may also include or otherwise be operably connected to a PCM controller that can control the refractive index of an individual pixel area or a group of pixel areas aggregated into a superpixel.

Abstract: A projection display may use pulse width modulation wherein the duty cycle may be varied. This duty cycle variation may improve bit depth in some embodiments. For example, on alternate frames, the duty cycle may be reduced by a given percentage.

Abstract: A liquid crystal display is provided. The liquid crystal display includes a pixel array having a plurality of pixels in a matrix on a substrate. First and second pixels are adjacent to each other along a first direction. The first and second pixels each include first and second switching elements. A first common gate line extends in a second direction different from the first direction and is commonly connected to the first and second switching elements. First and second data lines extend in the first direction and are connected to the first and second switching elements, respectively.

Abstract: In a display device in which a shape of a parallax barrier is changed depending on the relative positional relation to the viewer, the occurrence of crosstalk is suppressed. Images are displayed in a part of a plurality of sub-pixels included in each pixel, and images are not displayed in the other sub-pixels. That is, a display area in the pixel is reduced. Thus, the occurrence of crosstalk can be suppressed. Further, sub-pixels have a square shape or a substantially square shape. Thus, even when sub-pixels which display images are selected depending on the relative positional relation to the viewer, the shape of the display area in the pixel does not change greatly. Therefore, even in the case where the positional relationship is changed (in the case where the arranged parallax barrier is changed), the occurrence of crosstalk can be suppressed without respect to the positional relationship.

Abstract: An image processing apparatus to perform a screen process on color image data using threshold matrices includes an address calculation section, threshold processor and shift section. The address calculation section calculates an address in the threshold matrix. The threshold processor acquires a threshold by the address, and performs an n-valued process (n?2) on a pixel value using the threshold. The shift section divides the image data into blocks in units of the threshold matrix, determines shift amounts for each block, and shifts the address. The threshold processor acquires a threshold by an address after the shift for at least one color, and performs the n-valued process using the threshold. The threshold matrix for a color for which the address is shifted has a screen ruling with a lower number of lines than the address is not shifted.

Abstract: A circuit for compensating color shift of a color sequential display method includes an image processing unit and a timing control circuit. The image processing unit includes a gray level generation unit, a pre-processing unit, and a color compensation unit . The gray level generation generates first gray levels of red, green, and blue sub-pixels. The pre-processing unit generates a pure color uniformity of a display panel and a color compensation value. The color compensation unit generates a color saturation of a pixel, a compensation difference of the pixel, and gray levels of red, green, and blue sub-pixels of a compensated pixel. The timing control circuit sequences the gray levels of the red, green, and blue sub-pixels of the compensated pixel according to the color sequential display method, and outputs the gray levels of the red, green, and blue sub-pixels of the compensated pixel to the display panel.

Abstract: A reflective display device has multiple display pixels. Each pixel has at least three color sub-pixels disposed side-by-side for three primary colors respectively. At least one color sub-pixel has a light shutter with adjustable transmission, a luminescent layer containing a luminescent material that emits light of a selected color, and a mirror for reflecting light corresponding to that selected color.

Abstract: A liquid crystal display (LCD) apparatus and a method of driving the LCD apparatus are provided. The LCD apparatus includes a panel unit including at least one pixel having a plurality of sub-pixels and a controller which inserts gray data into at least one pixel of the plurality of sub-pixels based on a frame period and a polarity of a liquid crystal of the at least one pixel.

Abstract: A circuit for compensating color shift of a color sequential display method includes an image processing unit and a timing control circuit. The image processing unit includes a gray level generation unit, a pre-processing unit, and a color compensation unit. The gray level generation generates first gray levels of red, green, and blue sub-pixels. The pre-processing unit generates a pure color uniformity of a display panel and a color compensation value. The color compensation unit generates a color saturation of a pixel, a compensation difference of the pixel, and gray levels of red, green, and blue sub-pixels of a compensated pixel. The timing control circuit sequences the gray levels of the red, green, and blue sub-pixels of the compensated pixel according to the color sequential display method, and outputs the gray levels of the red, green, and blue sub-pixels of the compensated pixel to the display panel.

Abstract: An image processing method includes: obtaining, based on a plurality of pieces of first luminance information that correspond to fourth sub-pixels contained in a pixel region to which a focused pixel belongs and based on a relative positional relationship between a first sub-pixel and the fourth sub-pixel in a display pixel, second luminance information that corresponds to the fourth sub-pixel of the focused pixel, in which the focused pixel is a display pixel in a display section that includes a plurality of display pixels each having the first sub-pixel, a second sub-pixel, and a third sub-pixel that are configured to emit light of basic colors, and the fourth sub-pixel that is configured to emit light of a color other than the basic colors; and replacing the first luminance information that corresponds to the fourth sub-pixel of the focused pixel with the second luminance information.

Abstract: A display device includes a display panel including red, blue, green and white (RBGW) sub pixels, a signal conversion apparatus for converting an input signal having a first color format and color arrangement into a display signal having a second color format and color arrangement, a color conversion unit configured to convert the first color format into the second color format; a sub pixel position determining signal which determines a color arrangement of a sub pixel position of the display panel, and a sub pixel signal generation unit configured to generate a sub pixel signal having the second color format and color arrangement based on the sub pixel position determining signal.

Abstract: Display systems and image processing methods process pre-subpixel rendered images embedded in input color image data. The display systems include a pre-subpixel rendered (P-SPR) image detector that detects locations of a marking code that marks the portion of the input data that has been pre-subpixel rendered and which is ready for direct display. Several display system embodiments comprise first and second image data paths; the input data that requires subpixel rendering proceeds along the first path while the P-SPR image data proceeds along the second path. Another display system embodiment processes the combined input and P-SPR data along a single data path. Techniques for marking and detecting P-SPR image data using two distinct marking codes are presented in the context of the subpixel layout of the display. Techniques for using P-SPR data to display high-quality graphical symbols (e.g., font glyphs) are suitable for small, low-cost display devices.

Abstract: In an embodiment, a pixel driving circuit comprises: one or more source drivers for enabling a first subpixel of a subpixel pair to receive first data and a second subpixel of the subpixel pair to receive second data; one or more source drivers for driving the first data to the first subpixel and the second data to the second subpixel, wherein the first data is different than the second data.

Abstract: A pixel circuit and an organic light-emitting diode (OLED) display using the pixel circuit is provided. The pixel circuit includes: an OLED; a third N-channel metal-oxide semiconductor (NMOS) transistor coupled to a data line and a first scan line and configured to apply a data signal to a first node; a storage capacitor having one terminal coupled to the first node and the other terminal coupled to a second node; a fourth NMOS transistor coupled between a first power and the second node and configured to apply a voltage of the first power to the second node; a first NMOS transistor having a first electrode, a second electrode, and a gate electrode coupled to the second node; and a second NMOS transistor coupled between the second node and the first electrode of the first NMOS transistor and configured to diode-connect the first NMOS transistor.

Abstract: A portable reading device includes a computing device and a computer readable medium storing a computer program product to receive an image and select a section of the image to process. The product processes the section of the image with a first process and when the first process is finished processing the section of the image, process a result of the first process with a second process. While the second process is processing, repeats the first process on another section of the image.

Abstract: The display device includes a display panel which includes a plurality of pixels, a gate driver which sequentially applies gate-on voltages to the plurality of pixels for a first period and a data driver which generates data voltages for at least two pixels of the plurality of pixels for the first period, and supplies the data voltages to the two pixels of the plurality of pixels, respectively, wherein an application order of the data voltages applied to the at least two pixels of the plurality of pixels is reversed in two adjacent frames.

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 display signal conversion apparatus converts a first signal having a first color format and color arrangement into a second signal having a second color format and color arrangement. The display signal conversion apparatus includes a color conversion unit configured to convert the first color format into the second color format, a pattern determination unit configured to determine a signal pattern of the first signal, a unit configured to determine a color arrangement of a pixel position of the second signal corresponding to a pixel position of the first signal, and a sub pixel signal generation unit configured to generate a sub pixel signal having the second color format and color arrangement based on a result of the signal pattern determination and a result of the color arrangement determination.

Abstract: A panel adjustment method is executed on a host to adjust settings of a panel connected to the host through a serial bus. The method determines whether the panel is supported by the host. When the panel is supported by the host, the settings of the panel is read from a database of the host to accordingly set the panel. It is further determined whether the panel is correctly set or not. When the panel is correctly set, it is further determined whether the panel is of a frame buffer mode or not. When the panel is of a frame buffer mode, it is determined whether a header file generation is required or not. When the header file generation is required, the settings and a panel name are included in an include file. The include file is compiled to thereby generate a binary file which is loaded into the panel.

Abstract: A display and a method for signal transmission of the display are provided. The display has a source driver, a panel, and a timing controller having at least one data pin and a clock signal pin. The timing controller sends a clock signal to the source driver via the clock signal pin, and then sends a start pulse pattern to the source driver via the at least one data pin such that the source driver is notified to receive setting signals and display data signals. The source driver drives the panel according to the setting signals and the display data signals received from the timing controller via the at least one data pin. One or more of the setting signals are received by the source driver within every clock of the clock signal.

Abstract: In a liquid crystal display (LCD) driver circuit, harmonizing a pixel inversion pattern and a dither pattern is disclosed. The pixel inversion pattern and the cooperating dither pattern interact with each other in such a way that there is substantially no discernable video artifacts generated. The cooperating dither pattern can be selected from a plurality of dither patterns using a programmable dither block.

Abstract: A start protection circuit of a gate driver, which is applied in a liquid crystal display, includes a detection circuit and a switch. The detection circuit monitors a gate low voltage to generate a control signal. The switch is electrically connected to the detection circuit and controlled by the control signal, for transmitting a gate high voltage. The detection circuit outputs the gate low voltage first and monitors if the gate low voltage has reached a predetermined level. When the gate low voltage has reached the predetermined level, the detection circuit turns on the switch to output the gate high voltage.

Abstract: A circuit for compensating color shift of a color sequential display method includes an image processing unit and a timing control circuit. The image processing unit includes a gray level generation unit, a pre-processing unit, and a color compensation unit. The gray level generation generates first gray levels of red, green, and blue sub-pixels. The pre-processing unit generates a pure color uniformity of a display panel and a color compensation value. The color compensation unit generates a color saturation of a pixel, a compensation difference of the pixel, and gray levels of red, green, and blue sub-pixels of a compensated pixel. The timing control circuit sequences the gray levels of the red, green, and blue sub-pixels of the compensated pixel according to the color sequential display method, and outputs the gray levels of the red, green, and blue sub-pixels of the compensated pixel to the display panel.

Abstract: A method for driving a display includes following steps. A display panel is divided into a plurality of bright regions and a plurality of dark regions, wherein the dark regions and the bright regions are alternately arranged so that the bright regions within the display panel are not adjacent to each other. Next, a full-color frame is divided into four sub-frames, wherein the sub-frames are matched with the four color-orders one by one. In this way, the display randomly displays the sub-frames in a frame period.

Abstract: A stereoscopic display device has a plurality of sub-pixel units respectively arranged along a first axis and a second axis. Each sub-pixel unit and the adjacent sub-pixel unit along the first axis have a predetermined dislocation in the second axis. Each of the sub-pixel unit includes a first sub-pixel row having a first sub-pixel and two second sub-pixels arranged along the first axis, a second sub-pixel row under the first sub-pixel row having a first sub-pixel and two second sub-pixels arranged along the first axis, and a three sub-pixel row under the second sub-pixel row having three third sub-pixels arranged along the first axis. The stereoscopic display device also has a parallax panel having a plurality of transparent regions and shielding regions alternately parallel to each other.

Abstract: If a pixel (106) of an image is displayed in a subpixel area (124) which does not contain a primary color needed to display the pixel, and saturated colors are present in or adjacent to the subpixel area, then some of the pixel's luminance is shifted (850) to adjacent subpixel areas on one but not both sides of the pixel to avoid blurring the pixel. Other embodiments are also provided.

Abstract: An apparatus and method for controlling picture quality of a flat panel display. The apparatus for controlling picture quality of the flat panel display includes a position determining unit which determines a display position of digital video data; a gray-level determining unit which determines a gray-level value of the digital video data; and a frame rate control unit that disperses a plurality of dither patterns determined by a compensation value for compensating for brightness in a boundary between the panel defect region and the non-defect region during a plurality of frame periods and controls data, which will be displayed in the boundary, by the compensation value, if the digital video data is determined to the data which will be displayed in the boundary between the panel defect region and the non-defect region according to the determined result of the position determining unit.

Abstract: A pixel structure includes a first sub-pixel and a second sub-pixel. The first sub-pixel includes a first switching transistor and a first liquid crystal capacitor, wherein when the first switching transistor is turned on, the first liquid crystal capacitor is biased to a first gray level voltage. The second sub-pixel includes a second switching transistor, a second liquid crystal capacitor, a third switching transistor, a charge sharing capacitor and a fourth switching transistor, wherein when the second switching transistor is turned on, the second liquid crystal capacitor is biased to the first gray level voltage; when the fourth switching transistor is turned on, the charge sharing capacitor is reset to a predetermined voltage; and when the third switching transistor is turned on, the second liquid crystal capacitor and the charge sharing capacitor are charge-shared to a second gray level voltage through the third switching transistor.

Abstract: A method for driving a display is provided. According to the driving method, a display panel is divided into a plurality of bright regions and a plurality of dark regions, wherein the dark regions and the bright regions are alternately arranged so that the bright regions within the display panel are not adjacent to each other. Next, a full-color frame is divided into four sub-frames, wherein the sub-frames are matched with the four color-orders one by one. In this way, the display randomly displays the sub-frames in a frame period.

Abstract: A liquid crystal display device includes a display section which enables color display in each of pixels, and a gradation control unit which controls a gradation level in each of the pixels. The display section includes a first white display structure which is configured to combine primary colors and to display white, and a second white display structure which is configured to include a color with a chromaticity different from a chromaticity of the primary color of the first white display structure and to display white. The gradation control unit has a first control mode in which the gradation level of each pixel is controlled by one of the first white display structure and the second white display structure, and a second control mode in which the gradation level of each pixel is controlled by a combination of the first white display structure and the second white display structure.

Abstract: An apparatus and method of reducing speckle in projection of images is provided that includes the elements or features of producing a first image and displacing the first image to produce a second image that will reduce speckle relating to the first image when the first image and the second image are displayed on a display medium.

Abstract: A liquid crystal display device is disclosed which includes first, second and third data lines arranged in one direction, a data driver for alternately supplying a data signal of a first polarity and a data signal of a second polarity to each of the first, second and third data lines during an interval of two horizontal periods, first and second gate lines arranged to cross the first to third data lines, a gate driver for sequentially driving the first and second gate lines, and first red, first green, first blue, second red, second green and second blue pixels located between the first gate line and the second gate line and arranged in order along the first and second gate lines. The first red pixel cell is connected to one side of the first data line and the second gate line. The first green pixel cell is connected to the other side of the first data line and the first gate line. The first blue pixel cell is connected to one side of the second data line and the first gate line.

Abstract: A data processing system refreshes a display at a first frequency when operating in a first power mode. The data processing system refreshes the display at a second frequency when operating in a second mode. The first frequency is higher than the second frequency, and the second power mode is configured to consume less power than the first power mode.

Abstract: A method for extracting a subset of data from an ordered set of bi-dimensional matrices (data arrays) such as a sequence of pictures or a multi-dimensional matrix, for instance, is implemented by dedicated hardware that may be used each time it is necessary to extract a subset of data from a data array. For each matrix of data, the method calculates very quickly row and column indices of border data of the portion to be extracted, which are obtained by arithmetical operations among row and column indices of vertices of a closed area of interest. The method is implemented in a device for selectively transferring a data stream sampled at a certain bit-rate to a microprocessor unit or to a memory receiving the data stream at a different rate.

Abstract: A portable reading device includes a computing device and a computer readable medium storing a computer program product to receive an image and select a section of the image to process. The product processes the section of the image with a first process and when the first process is finished processing the section of the image, process a result of the first process with a second process. While the second process is processing, repeats the first process on another section of the image.

Abstract: A modulator is controlled in accordance with each sub-frame of a frame of image data. An aiming mechanism is physically adjusted to differently aim each sub-frame. Acoustical noise in physically adjusting the aiming mechanism is reduced.

Abstract: A display for producing either visible or invisible images to the human eyes comprising a plurality of pixels wherein each of the pixels includes one or more visible radiation subpixels capable of producing visible radiations to the human eyes and at least one invisible radiation subpixel capable of producing invisible radiations to the human eyes; and means for selectively operating the display to activate either visible or invisible radiation subpixels to respectively producing visible or invisible images to the human eyes.

Abstract: A three-dimensional image display device includes a display unit having pixels arranged in a form of a matrix, the pixels forming pixel groups configured to display element images, and a mask having windows corresponding to the pixel groups. Preferably, relative positions of the pixel groups to the windows change cyclically.

Abstract: A method of displaying an image is provided. The method comprises receiving interlaced image data for the image where the interlaced data comprises a first field and a second field, generating a first sub-frame and a second sub-frame for the image using the first field, generating a third sub-frame and a fourth sub-frame for the image using the second field, and alternating between displaying the first sub-frame in a first position at a first time, displaying the second sub-frame in a second position horizontally offset from the first position at a second time that is subsequent to the first time, displaying the third sub-frame in a third position vertically offset from the first position at a third time that is subsequent to the second time, and displaying the fourth sub-frame in a fourth position horizontally and vertically offset from the first position at a fourth time that is subsequent to the second time.

Abstract: A method for determining device-specific information for pixels to obtain an optimal display of fine structure monochrome images on an output display device, the method comprising determining a set of device-specific pixel input values that will cause the display system to display a corresponding set of target visual output intensities relative to the output display device, and determining a device-specific sub-pixel geometry for all the pixels of the output display device. Displaying for each of the pixels a selected visual output intensity relative to the output display device at a sub-pixel position according to a corresponding pixel input value will cause an optimal display of fine structure monochrome images to be displayed on the output display device.

Abstract: A color display device, comprising: an array of subpixels of at least four different colors, including at least two relatively higher luminous color subpixels and at least two relatively lower luminous color subpixels, wherein the subpixels are arranged into groups forming at least two distinct types of pixels, each pixel type including the two relatively higher luminous color subpixels and at least one of the two relatively lower luminous color subpixels, and wherein the pixel types are arranged in a pattern such that the relative locations of the two relatively higher luminous color subpixels in each pixel is repeated in adjacent pixels, and the relative location of at least one of the two relatively lower luminance color subpixels is not repeated in at least one adjacent pixel. Various embodiments of the invention enable color display devices with improved image display quality, with both the appearance of jagged lines and the appearance of banding reduced simultaneously.

Abstract: A reading machine that operates in various modes includes image correction processing is described. The reading machine operates in different modes that optimize performance for specific uses of the reading machine. The reading machine receives data that specifies a mode to use for processing an image. The reading machine accesses a knowledge base to provide data to the machine for the specified mode, with the data including specific target visual elements that are expected to be encountered in processing images for the specified mode. The reading machine captures one or several images and processes the one or several images to identify one or more of the target elements in the image using information obtained from the knowledge base.

Abstract: A display apparatus that displays a composite image signal obtained by combining an image signal for a side panel with an input image signal corresponding to a picture region and carries out a picture display based on peak luminance enhancement control, first detects an average brightness level of the input image signals when generating the image signal for the side panel. This sets the brightness level of the image signal for the side panel before the composition based on the detection result of the average brightness level of the input image signals so as to obtain a display brightness level in which the visual brightness of the displayed side panel is substantially constant, as a result of the peak luminance enhancement control. Accordingly, the brightness of the side panel becomes constant, thereby alleviating a burn-in phenomenon.

Abstract: Example embodiments relate to a method for applying a special mark, that is invisible to the naked eye, on a medium. That is, the example embodiments provide a method for generating and applying on a medium a digital spatial mark of X×Y dots in accordance with a resolution of d1x by d1y dots per surface unit, provided that the ratio d1x/d2x and or d1y/d2y is more than 1. The method further includes over-sampling the digital spatial mark in X based on a factor nx=d1x/d2x and in Y based on a factor ny=d1y/d2y; eroding the dots to be applied so as to leave one dot every nx dots in X and one dot every nx dots in Y; and applying the spatial mark on the support.

Abstract: A method and apparatus for driving a liquid crystal display panel that is capable of driving a liquid crystal display panel having five color dots within one pixel. In the method, adjacent first color sub-pixels spaced at a desired distance, of a plurality of first color sub-pixels arranged at the middle portion of a pixel are shorted to apply a first color data to said adjacent first color sub-pixels. A second color data is applied to a plurality of second color sub-pixels arranged at one edge of said middle portion within said one pixel. A third color data is applied to a plurality of third color sub-pixels arranged at other edge of said middle portion within said one pixel.

Abstract: A method of displaying an image with a display device includes receiving image data for the image. The method includes generating a plurality of sub-frames corresponding to the image data. The method includes displaying the sub-frames at a set of spatially offset positions located on a circle.

Abstract: A display device for displaying an image using a first sub-frame and a second sub-frame is provided. The display device comprises an array having a first plurality of pixels and a second plurality of pixels offset from but overlapping the first plurality of pixels and a control unit. The control unit is configured to cause the array to display the first sub-frame using the first plurality of pixels, and the control unit is configured to cause the array to display the second sub-frame using the second plurality of pixels.

Abstract: A method of displaying an image with a display device includes receiving image data for the image. The method includes generating a plurality of sub-frames corresponding to the image data. The sub-frames are generated based on a set of spatially offset sub-frame positions, a first function that represents a simulated high resolution image, and a second function that represents a desired high resolution image. The method includes displaying the sub-frames at the set of spatially offset positions.

Abstract: Display structures and methods are provided that introduce redundancy and use this redundancy with different mapping rules on different interleaved display lines to visually diffuse display artifacts. The artifacts are typically produced by errors in the transmission and recovery of analog display signals that subsequently drive digital displays. This visual diffusion substantially reduces the display artifacts and, because these visual improvements require only one element (an ADC) in the display system to be configured at a higher resolution, the visual advantageous are realized with relatively low cost.

Abstract: An apparatus and method for providing color dot signals of an image for an active matrix display. The apparatus includes a graphic generator that provides an image input to a graphical processing unit. The graphic generator also control the graphical processing unit to form a plurality of sub-images of the image, where the sub-images represent different color dots of a plurality of pixels of the display. A composite image processor includes a color mask that filters the sub-images based on a predetermined color dot topology of the pixels and interleaves the filtered sub-images to form the color dot signals in appropriate positions in a row of pixels based on the topology. The apparatus provides enhanced resolution as well as permits the use of off shelf components for the graphical processing unit.