Abstract: A method of driving a light source unit of a liquid crystal display panel according to an exemplary embodiment of the present disclosure includes the steps of calculating average and maximum values of image signals applied to the liquid crystal panel; calculating a representative value of the image signals using the average and maximum values; determining the luminance of the light source unit according to the representative value and driving the light source unit accordingly. The representative value may be calculated from Lrep=(1??)×Lavg+?×Lmax, where Lrep is a representative value, Lavg is an average value, Lmax is the maximum value, and ? is a value that decreases as a difference between the maximum and average image signal values increases, and has a range between 0 and 1.

Abstract: A zonal illumination system for use in a projector, comprising a source of illumination; a first modulation stage for dividing light from the source of illumination into a plurality of zones having respective light intensities based on zonal lighting intensity of an image to be projected; and a second modulation stage for modulating light from the first modulation stage to generate the image to be projected.

Abstract: A chromaticity correction device corrects chromaticity of a video signal displayed on a display panel of a display device to correspond to a change in a luminance value of the display panel. The chromaticity correction device includes a luminance detection unit which detects the luminance value, a backlight driving level detection unit which detects a backlight driving level, a temperature detection unit which detects an internal device temperature or an ambient temperature, a reference luminance value calculation unit which estimates a reference luminance value in a characteristic of an initial state, a chromaticity calculation unit which obtains a chromaticity change amount of white point chromaticity and estimated white point chromaticity that is an estimated value of current white point chromaticity, a chromaticity correction value calculation unit which obtains a chromaticity correction value and a chromaticity correction circuit which corrects the chromaticity of the video signal.

Abstract: A method is provided of determining the pixel drive signals to be applied to the pixels of an array of light emitting display elements arranged in rows and columns, with a plurality of the pixels in a row being supplied with current simultaneously along a respective row conductor. Target pixel drive currents are determined from a model of the pixel current-brightness characteristics. These are modified to take account of the voltage on the respective row conductor at each pixel resulting from the currents drawn from the row conductor by the plurality of pixels and the dependency of the pixel brightness characteristics on the voltage on the row conductor at the pixel. This addresses the problem of horizontal cross-talk that occurs in active matrix LED displays due to the finite output impedance of the current providing TFTs as well as the finite resistance of metals used to form power supply lines.

Abstract: Embodiments of the invention relate to an organic light emitting diode (OLED) display and a method for driving the same. The OLED display includes a data driving circuit configured to output a data voltage to the display panel; a scan driving circuit configured to sequentially output a scan pulse synchronized with the data voltage to a display panel; and a timing controller configured to decide whether or not the multicolor data are inputted, to control the scan driving circuit and the data driving circuit in a normal mode when the multicolor data are inputted, and to control the scan driving circuit and the data driving circuit in a current saving mode when the multicolor data are not inputted.

Abstract: An object of the invention is to provide a display device which can reduce the number of times signal writing to a pixel is carried out and power consumption. A display device which can reduce the number of times signal writing to a pixel is carried out and power consumption can be provided. According to an active matrix display device of the invention, in the case a signal to be written to a pixel row is identical with a signal stored in the pixel row, the scan line driver circuit does not output a selecting pulse to a scan line corresponding to the pixel row, and the signal line driver circuit makes the signal lines in a floating state or keeps without changing the state of the signal line from the previous state.

Abstract: The present invention relates to a display apparatus with pixels, wherein each pixel includes a switching device, a micro-electro-mechanical system (MEMS), and a gray scale control device. The switching device can be connected to a gate line and a data line to output a corresponding data signal in response to a gate signal. The MEMS may be connected to an output electrode of the switching device to transmit or block light in response to the corresponding data signal. The gray scale control device may be coupled to the output electrode of the switching device to control a time interval during which the corresponding data signal is applied to the MEMS. Accordingly, each pixel may display a desired gray scale.

Abstract: A drive device that drives a display medium displaying an image includes a setting unit that sets a drive voltage of second particles responsive to a display density of the second particles with respect to the image, and sets threshold characteristics of first particles responsive to the set drive voltage of the second particles and a display density of the first particles, and a voltage application unit that applies between a display substrate and a back substrate an initial drive voltage responsive to the threshold characteristics of the first particles set by the setting unit, and thereafter applies between the display substrate and the back substrate the drive voltage of the second particles responsive to the display density of the second particles set by the setting unit.

Abstract: A method and system are provided for compensating for brightness changes in a display having an array of display pixels. The method includes storing a plurality of look-up tables, where each table has a plurality of brightness signals that provide compensation for a brightness change when the refresh rate is changed during a panel self-refresh. The method also includes using display control circuitry to determine the refresh rate associated with an input signal and to determine a compensation based on the refresh rate. The display control circuitry may, for example, use non-linear interpolation to generate a look-up table for the refresh rate. The display control circuitry may adjust the input signal based on the look-up table to produce an output signal that compensates for a brightness change at the refresh rate. The output signal may be transmitted to the array of display pixels.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for reducing artifacts in an image generated by a display device. In one aspect, data is written to a display and a position of display elements is maintained based on the application of a bias voltage pattern. The bias voltage pattern includes alternating polarities along one dimension in a pattern having a first frequency spectrum, and alternating polarities along a second dimension in a pattern having a second frequency spectrum that is different than the first frequency spectrum. At least one of the first and second frequency spectrums may include a plurality of frequency components.

Abstract: A rollable display screen for use in electronic display systems includes a rollable screen that is mechanically coupled to a roller mechanism and has a plurality of pixel elements disposed thereon. The roller mechanism is configured as a stowing mechanism for the rollable screen, and may be further configured to deploy the rollable screen as a substantially planar viewing surface. The rollable display screen can be advantageously used for a durable and easily transported electronic display device since the rollable display screen is light-weight, durable, and compact.

Abstract: System and methods for automated adjustment of device settings are described. An electronic device comprises a receiver for receiving environmental information related to a surroundings of the device, a setting configurator for determining a desired setting for the device as a function of the environmental information, and a setting adjuster for adjusting a device setting in accordance with the desired setting. Moreover, the device further comprises a sensor for receiving the stimulus from the surroundings, for determining the value of the stimulus, and for sending the value of the stimulus to the receiver. Further, the device setting includes a volume of a speaker or a headphone, a theme or a color of a background displayed by the display, a brightness of the display, a sharpness of the display, a user interface displayed on the display, an intensity of a backlight of the display, or a contrast of the display.

Abstract: A display control apparatus to drive a display panel to display an image and a control method of the display device. It is determined whether or not a number of different bits in a plurality of bits of display image signals that are to be continuously converted into analog signals are different from each other is equal to or more than a predetermined value. If it is determined that the number of different bits is equal to or more than the predetermined value, then the display image signal is modified so that the display panel is driven based on an analog signal converted from the modified display signal to display an image.

Abstract: A display driver circuit configured to be shared by three grey-scale voltage generators to be respectively used with red (R), green (G) and blue (B) colors. In particular, two of the three grey-scale voltage generators share first and second resistor strings, gamma voltage selectors, and gamma adjustment buffers provided in the other grey-scale voltage generator, thereby reducing the size and power consumption of the display driver circuit. Also, when only a single grey-scale voltage is output, it is possible to deactivate the grey-scale voltages provided by two of the grey-scale generators and further reduce power consumption.

Abstract: A display (201) includes a light guide (314) defining a first major face (501), a second major face (502), and one or more edge surfaces (503,504). One or more light sources (315,316) are disposed along the one or more edge surfaces. A diffuser (313) is disposed adjacent to the first major face. A reflector (317) is disposed adjacent to the second major face. The second major face defines a plurality of convex protuberances (507) extending therefrom toward the reflector to direct light from the light guide to the reflector.

Abstract: Reducing energy usage by a monitor includes a map manager between a monitor interface and a processor that divides a display area of a monitor into areas and stores display information in a staging area. The map manager distinguishes an active window selected by a user from the remainder inactive, unselected areas of a display, and further determines a used subset of areas within the active window distinguished from the remainder unused areas as a function of a user preference. Accordingly, the map manager drives the monitor at each of the used area active window areas with the processor display information stored in the staging area at a normal luminance specified by the processor display information, and at each of the remainder unused, inactive and unselected areas of the total display area at a reduced luminance lower than the specified normal luminance.

Abstract: In a display apparatus, a plurality of pixels are arranged in first and second directions, and each pixel includes at least one dot. A plurality of data lines are provided between two adjacent dots while extending in the first direction. A plurality of gate lines are provided between two adjacent dots while extending in the second direction. Among dots arranged in the first direction between an mth data line and an (m+1)th data line, at least one first dot is connected to one of the mth data line and the (m+1)th data line, and at least one second dot is connected to one of an (m?1)th data line and an (m+2)th data line. Accordingly, the display quality of the display apparatus including four dots or an even number of dots is improved.

Abstract: An electrowetting display apparatus includes a first substrate including a first electrode that receives a gray-scale voltage and a second electrode insulated from the first electrode and receiving a reference voltage, a second substrate, a fluid layer, and a color filter. The color filter has a first thickness in an area corresponding to the first electrode and a second thickness in an area corresponding to the second electrode, and the first thickness is larger than the second thickness. Accordingly, a cell gap of the electrowetting display apparatus is reduced, and color reproducibility of the electrowetting display apparatus is improved without sacrificing brightness.

Abstract: This disclosure provides systems, methods and apparatus for improving an aperture ratio of a display apparatus. In particular, display elements are configured to have a length that is greater in one dimension than that in the other dimension. This implementation can reduce overhead costs associated with components such as actuators and actuator circuitry and improves the aperture ratio. Furthermore, display elements within the display apparatus can be arranged in a staggered manner. The staggered arrangement improves the perceived display element density of the display apparatus. In some implementations, the display elements are staggered along the rows of the display apparatus, while in some other implementations, the display elements are staggered along the columns of the display apparatus. In some implementations, multiple image pixels in one dimension are utilized to generate signals for each display elements.

Abstract: A method for fabricating a process substrate includes: providing a first substrate; providing a substrate and an auxiliary substrate; contacting the substrate and the auxiliary substrate with each other in a vacuum state, thereby forming micro spaces of a vacuum state between the substrate and the auxiliary substrate; and increasing a pressure at the outside of the contacted substrate and auxiliary substrate to attach the substrate and the auxiliary substrate to each other by a pressure difference between the micro spaces and the outside of the contacted substrate and auxiliary substrate.

Abstract: Fluorescent screens and display systems and devices based on such screens using at least one excitation optical beam to excite one or more fluorescent materials on a screen which emit light to form images. The fluorescent materials may include phosphor materials and non-phosphor materials such as quantum dots. A screen may include a multi-layer dichroic layer.

Abstract: A display panel comprises a plurality of scan lines and a scan driving circuit having a plurality of stages in series, each of stages comprising a shift register unit and a compensation unit. The shift register unit and the compensation unit in the same stage are at the opposite sides of the display panel. Each of the scan lines is electrically connected with the shift register unit and the compensation unit in the same stage. When a first shift register unit of a first stage located on a side of the display panel outputs a scan signal to a terminal of the scan line, one of a second shift register unit of a previous stage and a third shift register unit of a next stage both located on the other side controls the compensation unit outputting a control signal to the other terminal of the scan line synchronously.

Abstract: A projector, having an illumination modulator having multiple illumination pixels a projection lens projecting the light being modulated in a pixel-individual manner onto an image modulator having multiple image pixels to generate the image. A controller generates illumination control data for the illumination modulator and generates image control data for the image modulator. The illumination control data has either an on-value or an off-value The illumination control data (MS) is generated such that the on-value for each illumination pixel is associated with at least one image pixel that is to represent a brightness value within the image and an off-value for all other illumination pixels, with the exception that the illumination control data for at least one of the other illumination pixels that is at a distance by not more than one predetermined pixel number, has an on-value.

Abstract: The present invention is directed to a highlight color display. One of the key features of the invention is the dark color of the display fluid filled in the microcups, which allows the dark state to appear black. There is no alignment required between the pixel electrodes and the microcups. In practice, a standard active matrix array may be used to drive the display device.

Abstract: A system may include a processor, a graphics controller, and a display. The graphics controller may generate video data to be presented on the display. The display may include a display panel, a backlight unit for providing the display panel with backlight, and a display timing controller for communicating with the graphics controller. The display may be used in non-movie mode and movie mode. The backlight unit may be operated in fixed backlight mode during the non-movie display mode and may be operated in dynamic pixel backlight (DPB) mode during the movie display mode. Backlight level adjustments may be sloped only during the non-movie mode. Backlight level sloping can be handled internally within the backlight unit, can be controlled using pulse width modulation with the display timing controller, and implemented using incremental backlight level adjustments with the processor.

Abstract: A portable electronic device is provided suitable for operation by a single user. The portable electronic device comprises a main body and at least a thin film pattern. The main body has a display region and a non-display region coupled to the display region. The thin film pattern is disposed on a local region of the display region, on a local region of the non-display region, or on both a local region of the display region and a local region of the non-display region. The thin film pattern is visible while a user does not operate the portable electronic device. The thin film pattern is invisible while a user operates the portable electronic device.

Abstract: The present invention relates to an electrowetting system comprising an electrowetting element, a driver stage for applying a voltage to the element, and a switch connecting the electrowetting element to an output of the driver stage. The element comprises a first fluid and a second, immiscible fluid. The instantaneous position of the fluids is dependent on the voltage applied to the element, the voltage being set when the switch is closed. The voltage on the element is substantially maintained during a holding state longer than 70 ms when the switch is open.

Abstract: A pixel circuit includes a compensating circuit that detects a decrease in the driving current from an output node side of a drive transistor and feeds back detection results to an input node side of the drive transistor to compensate for a decrease in the driving current, which decrease is attendant on a secular change of the drive transistor.

Abstract: A projector having an illumination modulator to modulate the intensity of the light in a pixel-individual manner, a projection lens projecting the light being modulated in a pixel-individual manner onto an image modulator to generate the image to be projected such that each illumination pixel is associated with at least one image pixel. A controller which generates illumination control data and generates image control data for the image modulator.

Abstract: Edge lit displays are lit via a set (or individual) lighting elements. Each element projects light onto, for example, a zone which is then utilized directed as a backlight toward an LCD panel. An amount of light incident on any area (e.g., pixel) of the LCD panel (or SLM/series of SLMs) is calculated based on a sum of contributions from each zone. A similar process may be utilized for other lighting configurations. An amount of modulation performed by the LCD panel is then calculated based at least in part on lighting from the zones which may include brightness and varying levels of color content.

Abstract: Method and apparatus for adjusting the display characteristics of an electronic display, such as a computer or television display. The display is color corrected, e.g., at the factory, to measure its white point correction, gamma and gray tracking correction, and the gain correction over time as the display warms up. Moreover the white point correction and the gamma correction are performed on a per unit basis for each individual display to be manufactured. The resulting correction parameters are stored in memory or firmware associated with the display. Thereby when the display is in use, it performs compensation for white point, gray tracking and gain correction as the display warms up, each time it is powered up or when its thermal operation conditions change.

Abstract: A method of performing a multi-time programmable (MTP) operation includes independently setting respective pixel gamma curves for respective pixel circuits, obtaining respective actual gamma curves, the obtaining of the respective actual gamma curves including performing tests based on the respective pixel gamma curves for the respective pixel circuits, and storing respective gamma offsets, the storing of the respective gamma offsets including comparing the respective actual gamma curves with a reference gamma curve for the respective pixel circuits.

Abstract: Described is a device comprising: an array of light modulating elements; and one or more processing elements for controlling each of the light modulating elements, wherein the light modulating elements are arranged in a two-dimensional array, and wherein the one or more processing elements are adapted to skip some bit locations and use other bit locations of bit values when performing multiple bit logical and/or arithmetic operations.

Abstract: To provide an active matrix display device in which power consumption of a signal line driver circuit can be suppressed, so that power consumption of the entire memory can be suppressed. A plurality of memory circuits which can write data of a video signal input to a pixel in one line period and can hold the data are provided in a signal line driver circuit of a display device. Then, the data held in each memory circuit is input to a pixel of a corresponding line as a video signal. By providing two or more memory circuits in a driver circuit, pieces of data of video signals corresponding to two or more line periods can be concurrently held in the memory circuits.

Abstract: In a conventional display device comprising a sub-display, the display device is increased in thickness and in the number of components as the number of displays is increased. In the present invention, a dual emission display device is used so that either surface of a display is used as a main display or a sub-display. Accordingly, the display device can be reduced in thickness and in the number of components. Further, mechanical reliability can be enhanced when the invention is applied to a tablet PC, a video camera and the like.

Abstract: A three-dimensional display device comprises pixel blocks where pixels having a plurality of dots are arranged to be matrix, respectively, a display body formed in a matter that the pixel blocks are arranged in a matrix, lens blocks where a plurality of lenses are arranged to be matrix corresponding to the pixels, respectively, and a lens panel formed in a manner that the lens blocks are arranged in a matrix. A three-dimensional image is displayed by maintaining the display body and the lens panel at predetermined intervals so as to correspond the arrangement positions of the pixel blocks with those of the lens blocks on the matrix, concurrently, and by spatially matching virtual images of the dots, the virtual images being produced by a plurality of the lenses whose arrangement positions are the same among a plurality of the lens blocks.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for halftoning video images for presentation on an electronic display. In one aspect, input frames of video data may be received, where each input frame includes a number of input pixels, each input pixel having a respective first spatial coordinate location. For each input pixel, an output pixel is generated using a selected halftone value. The selected halftone value is substantially identical to a halftone value of a corresponding pixel in a comparison frame, where a spatial coordinate location of the “corresponding pixel” is determined based on a motion vector of an image element with which the pixel is associated.

Abstract: A method and system for applying photo texture acquired from a video resource to a 3D model operates within a 3D modeling system. The modeling system includes a modeling application operating on a workstation and a storage device containing a video resource. A 3D model is created or edited within the 3D modeling system. For a selected surface, the method and system allow selection of a video resource, selection of a video frame of the video resource, and selection of an area of the video frame to use as a photo texture to apply to the selected surface. The selected area of the video frame is copied and mapped to the selected surface of the 3D model.

Abstract: A DC-DC converter and an organic light emitting display comprising: a voltage generator receiving an input voltage through an input terminal to selectively generate a first voltage and a second voltage, outputting the first voltage and the second voltage through first and second output terminals, a capacitor coupled to the output terminal; and a switch unit discharging voltage stored in the capacitor according to the control signal.

Abstract: An electrowetting display panel includes an array substrate, a cover substrate, an electrowetting layer, and a hydrophobic pattern. The array substrate includes a display area and a peripheral area surrounding the display area and the cover substrate faces the array substrate. The electrowetting layer is disposed between the array substrate and the cover substrate and includes a polar fluid as a first fluid and a non-polar fluid as a second fluid. The hydrophobic pattern is disposed in the peripheral area.

Abstract: A method and system for operating a pixel array having at least one pixel circuit is provided. The method includes repeating an operation cycle defining a frame period for a pixel circuit, including at each frame period, programming the pixel circuit, driving the pixel circuit, and relaxing a stress effect on the pixel circuit, prior to a next frame period. The system includes a pixel array including a plurality of pixel circuits and a plurality of lines for operation of the plurality of pixel circuits. Each of the pixel circuits includes a light emitting device, a storage capacitor, and a drive circuit connected to the light emitting device and the storage capacitor. The system includes a drive for operating the plurality of lines to repeat an operation cycle having a frame period so that each of the operation cycle comprises a programming cycle, a driving cycle and a relaxing cycle for relaxing a stress on a pixel circuit, prior to a next frame period.

Abstract: A display device where low power consumption is realized without lowering aperture ratio is provided. A liquid crystal capacitive element Clc is sandwiched between a pixel electrode 20 and an opposite electrode 80. The pixel electrode 20, one end of a first switch circuit 22, one end of a second switch circuit 23 and a first terminal of a second transistor T2 form an internal node N1. The other terminals of the first switch circuit 22 and the second switch circuit 23 are connected to a source line SL and a voltage supply line VSL, respectively. The second switch circuit 23 is a series circuit including a transistor T1 and diode D1. A control terminal of the transistor T1, a second terminal of the transistor T2 and one end of a boost capacitive element Cbst form an output node N2. The other end of the boost capacitive element Cbst and the control terminal of the transistor T2 are connected to a boost line BST and a reference line REF, respectively.

Abstract: A method of driving electromechanical devices such as interferometric modulators includes applying a voltage along a common line to release the electromechanical devices along the common line, followed by applying an address voltage along the common line to actuate selected electromechanical devices along the common line based on voltages applied along segment lines. Hold voltages may be applied along common lines between applications of release and address voltages, and the segment voltages may be selected to be sufficiently small that the segment voltages will not affect the state of the electromechanical devices along other common lines not being written to.

Abstract: A pixel structure for a display device is provided. The pixel structure utilizes light entering from the ambient environment of the display as a light source. The pixel structure comprises a first substrate, a light obstructing layer, an active element and an adjustable light shielding layer. The light obstructing layer is disposed on the first substrate and has a transparent area and an opaque area. The active element is disposed on the opaque area of the light obstructing layer and has a first state and a second state. The adjustable light shielding layer is disposed on the light obstructing layer and the active element. When the active element is in the first state, the adjustable light shielding layer is adapted to cover the transparent area to shield the light from emitting out from the first substrate.

Abstract: An electrowetting display device includes an electrowetting pixel cell and a driving circuit. The electrowetting pixel cell including a polar liquid and a non-polar liquid disposed between a common electrode and a pixel electrode, the pixel electrode configured to receive a fixed voltage and the common electrode configured to receive a variable voltage that varies according to an image signal. The driving circuit configured to control an operation of the electrowetting pixel cell by, providing an image signal to the electrowetting pixel cell at a display interval where the electrowetting pixel cell displays an image, and providing a reset voltage to the electrowetting pixel cell at a reset interval. An absolute value of a difference between the voltage applied to the pixel electrode and the reset voltage is greater than that of a difference between the voltage applied to the pixel electrode and the voltage applied to the common electrode.

Abstract: Provided is a display device, including: a pair of light transmissive substrates disposed to be opposed to each other at an interval; a sealing member which bonds the pair of light transmissive substrates together and defines an encapsulation space between the pair of light transmissive substrates; a plurality of shutters disposed in the encapsulation space so as to optically display an image; liquid having optical isotropy filled in the encapsulation space; and an optical film disposed between the liquid and at least one of the pair of light transmissive substrates. A refractive index of the optical film is different from a refractive index of the pair of light transmissive substrates.

Abstract: A content output device for outputting contents to be displayed to users, including: a storage unit storing a plurality of contents, each being associated with its attribute; a first output control unit for outputting a predetermined content among the contents to a screen; a related content identifying unit for identifying, among the contents stored in the storage unit, a set of related contents whose attributes are related to an attribute of the predetermined content; a user preference identifying unit for identifying, among the contents stored in the storage unit, contents that match the preference of the user; and a second output control unit for outputting, to the screen, one or more contents that belong to both the set of related contents and the contents identified by the user preference identifying unit, thereby outputting images that are most likely to be desired by thy user.

Abstract: A display device includes a plurality of common lines, a plurality of drive lines, a plurality of light emitting elements, a source driver, and a sink driver. At least one charging device is connected to at least one of the common lines and configured to increase a voltage of the common lines to a predetermined value when the voltage of the common lines is lower than the predetermined value during a period while the source driver does not apply the voltage. At least one discharging device is connected to at least one of the plurality of common lines and configured to decrease the voltage of the common lines to the predetermined value when the voltage of the common lines is higher than the predetermined value during the period while the source driver does not apply the voltage.

Abstract: The display device includes an anti-reflection film having a plurality of projections over a display screen surface and a protective layer filling a space between the projections. The number of times of incidence of external light entering the display device on the anti-reflection film is increased; therefore, the amount of external light transmitted through the anti-reflection film is increased. Thus, the amount of external light reflected to a viewer side is reduced, and the cause of a reduction in visibility such as reflection can be eliminated. Further, since the plurality of projections is covered with a protective layer, entry of dust can be prevented, and physical strength of the anti-reflection film can be increased.

Abstract: The present invention is to provide an LCD unit, an LCD apparatus, and a method of setting a drive voltage of the LCD unit with a simple operation. The LCD unit includes a label pasted on a place of the LCD unit, wherein the label includes an information code, which is information-coded from a data of a drive voltage for achieving the best contrast in optical characteristics of the LCD unit. The best drive voltage to drive the LCD unit with the best contrast is thereby easily set.