Abstract: Systems and techniques for scanning-beam display are provided to use local dimming on the optical energy of at least one optical beam to minimize the non-uniform image brightness across the screen. This local dimming during the beam scanning can be achieved by adjusting optical energy of at least one optical beam during the scanning based on (1) the location of the scanning optical beam and (2) the predetermined distortion information at the location.

Abstract: An apparatus includes a mirror. The mirror has a transmissivity, a reflectivity, a front side, and a back side. The apparatus further includes a substantially transparent layer, the substantially transparent layer is located on the back side; and a dark layer, the dark layer contains an aperture and is applied to the substantially transparent layer wherein a combination of the mirror, the substantially transparent layer, and the dark layer have a combined reflectivity and a combined color when viewed from the front side which causes a media display device to vanish when the media display device is off and is mounted over the aperture on the back side of the mirror.

Abstract: This disclosure provides systems, methods and apparatus for providing multi-level multi-state shutter assemblies. The shutter assembly includes at least a first shutter at a first height over a substrate and a second shutter at a second height over the substrate. Both the first shutter and the second shutter can be operated in an open or closed state for passing or partially blocking light propagating through an aperture. In some implementations, the shutter assembly can operate in four states: a fully transmissive state, a fully obstructive state and two partially transmissive states based on the open or closed states of the first and second shutters.

Abstract: A method for sealing a liquid within a glass package and the resulting sealed glass package are described herein where the sealed glass package can be, for example, a dye solar cell, an electro-wetting display or an organic emitting light diode (OLED) display.

Abstract: A light sensitive display.

Abstract: The semiconductor device includes an internal clock generator, a shift signal generator and a first control signal generator. The internal clock generator generates a first internal clock signal and a second internal clock signal in response to an external clock signal. The shift signal generator shifts a clock enable signal in response to the first internal clock signal to generate first and second shift signals, and the shift signal generator shifts the clock enable signal in response to the second internal clock signal to generate third and fourth shift signals. The first control signal generator generates a first control signal in response to the first and third shift signals.

Abstract: A display device or optical switch, based on layer break up or layer displacement having at least two different states, in which one fluid, e.g. oil, in a first state adjoins at least a first support plate, and in a second state another fluid at least partly adjoins the first support plate. Sub-picture elements are separated by areas having a hydrophilic surface.

Abstract: Disclosed herein is a local dimming driving method and device of a Liquid Crystal Display (LCD) device, which is capable of preventing color change due to gray scale saturation when data is compensated while enabling local dimming. The local dimming driving method of the LCD device includes detecting maximum values per pixel from input image data, analyzing the maximum values per pixel on a block-by-block basis, and determining local dimming values per block according to the analysis result, calculating a first gain value using the local dimming values per block, calculating a maximum gain value per pixel using the maximum value per pixel as a second gain value, selecting a smaller value of the first and second gain values as a final gain value, compensating the input image data using the final gain value, and controlling luminance of a backlight unit on the block-by-block basis using the local dimming value per block.

Abstract: This disclosure provides systems, methods and apparatus for providing analog control for operating the states of a light modulator in a pixel. In one aspect, a pixel circuit can be coupled to the light modulator, and can control the duration for which the light modulator is operated in an open or closed state based on an analog data voltage. In some implementations, the pixel circuit includes a voltage controlled current source (VCCS), which draws a current of a magnitude that is based on the magnitude of the data voltage. The current drawn by the VCCS can be used to control a charge and a voltage on an actuation capacitor coupled to the light modulator. The rate of change of the voltage on the actuation capacitor, and the duration for which the light modulator is maintained in a particular state, is a function of the data voltage applied to the VCCS.

Abstract: A lighting device configured to output light of predetermined color includes: a plurality of solid-state light sources including at least a first solid-state light source and a second solid-state light source; a drive section configured to drive each of the plurality of solid-state light sources individually; a first phosphor for excitation by first emission light emitted from the first solid-state light source; and a second phosphor for excitation by second emission light emitted from the second solid-state light source, and first fluorescence and second fluorescence are of different color.

Abstract: In an optical modulation device, a driver applies a drive signal based on a data signal to a modulation unit, the modulation unit modulates the light input from an LD by the drive signal, and a bias control unit calculates a bias voltage value so as to make the f0 element closer to “0,” according to a detection result in a synchronization detection unit, and supplies a bias voltage of the calculated voltage value to the modulation unit. The bias control unit stops ABC control when the data signal is in a state different from a predefined state during the ABC control, and, after the stop of the ABC control, restarts the ABC control using, as an initial value, a bias voltage value calculated before the stop of the ABC control.

Abstract: An e-paper printing system comprising a set of electrodes comprising a number of electrodes to erase a portion of e-paper as the e-paper moves relative to the set of electrodes in which the set of electrodes causes a first electric field to be applied to the e-paper with a magnitude of the first electric field increasing at a first rate sufficiently high to cause the erasure of the portion of the e-paper, and causes a second electric field to be applied to the e-paper with a magnitude of the second electric field decreasing at a second rate that is sufficiently low to preserve the erasure of the portion of the e-paper.

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: The disclosure provides an electronic paper display. The electronic paper display includes an electronic paper panel. A light guide plate is disposed on the electronic paper panel. The light guide plate has a first surface and a second surface opposite to the first surface. A conductive pattern structural layer is disposed on the light guide plate. A light source is disposed on a side of the light guide plate. The first surface of the light guide plate is a patterned surface. A light generated by the light source is reflected or scattered to the electronic paper panel by the patterned surface.

Abstract: This disclosure provides systems, methods and apparatus for driving three-terminal electromechanical systems (EMS) devices. The driving systems and methods described herein include a switched capacitor charge injection circuit that is configured to isolate a single EMS device and transfer a desired amount of charge to the isolated device such that the device can be actuated to produce a desired optical, electrical or mechanical effect. The charge injection circuit can include an operational amplifier and can be connected such that the EMS device is placed in the feedback path of the operational amplifier.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for accurately positioning a movable conductive layer of a reflective display element. In one aspect, an initial position of the movable conductive layer with respect to at least one or more fixed conductive layers is sensed. A charging voltage may be determined based at least in part on the initial position. The charging voltage may be applied to the movable conductive layer.

Abstract: It discloses a pixel circuit and a driving method thereof. The pixel circuit includes a light-emitting device (OLED), a driving transistor (DTFT), a storage capacitor (Cst), a first switching transistor (T1), a second switching transistor (T2), a compensating transistor (T3) and a fifth switching transistor (T5). The light-emitting device (OLED) has one terminal connected to a power supply (VDD). The driving transistor (DTFT) has a first electrode connected to another terminal of the light-emitting device (OLED), a second electrode connected to a first electrode of the fifth switching transistor (T5), and a gate connected to a first electrode of the first switching transistor (T1). The first switching transistor (T1) has a second electrode connected to a data line, a gate connected to a scan line, and a first electrode connected to the gate of the driving transistor (DTFT).

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for making and controlling single-mirror interferometric modulators (IMODs), which may be multi-state IMODs or analog IMODs. In one aspect, a movable reflector stack or an absorber stack of an IMOD may include at least one protrusion that is configured to cause the movable reflector stack to be tilted relative to the absorber layer when the movable reflector stack is moved close to the absorber stack. The protrusion may be configured to cause color averaging when the IMOD is in a white state. The absorber stack may include an absorber layer having a lower extinction coefficient value at a red wavelength and a higher extinction coefficient value at a blue wavelength.

Abstract: A display device compresses light-emitting display of modifiable display luminance; a light sensor for detecting the surrounding brightness; and a control for adjusting the display brightness of the light-emitting display in response to a brightness value based on detected results of the brightness sensor. If absolute value of the difference between current and previously determined brightness values is less than a prescribed threshold value, the control determines that there is no change in brightness otherwise the central determines that there has been a change in brightness. Upon a determination of a predetermined a number of times that a brightness change has occurred, the display luminance is adjusted in response to the current brightness value.

Abstract: Various embodiments of a display device described herein include an optical propagation region, at least one optical loss structure, an optical isolation layer, and a plurality of display elements. The propagation region includes a light guide in which light is guided via total internal reflection and turning features configured to redirect the light out of the propagation region. The loss structure would disrupt the total internal reflection of at least some of the light guided within the propagation region if disposed directly adjacent thereto. The optical isolation layer includes a non-gaseous material between the propagation region and the loss structure, and is configured to increase an amount of light that is totally internal reflected in the propagation region. The plurality of display elements are positioned to receive the light redirected out of the propagation region. The loss structure is positioned between the plurality of display elements and the propagation region.

Abstract: A LCD device includes a liquid crystal panel and a control circuit. The liquid crystal panel is configured to display an image in response to various received signals, one of which may include a common voltage signal. The control circuit receives a control signal. In response to the control signal, the control circuit couples the liquid crystal panel to the common voltage signal or to a ground voltage.

Abstract: An organic light emitting display includes a display unit including pixels coupled to scan lines, first control lines, second control lines, and data lines, a control line driver configured to supply a first control signal and a second control signal to the pixels through the first control lines and the second control lines, a first power source driver for applying a first power to the pixels of the display unit, and a second power source driver for applying a second power to the pixels of the display unit. At least one of the first power or the second power is applied to the pixels of the display unit as voltage values having different levels during one frame. The first and second control signals and the first and second powers are concurrently provided to all of the pixels of the display unit.

Abstract: The invention provides an image display device capable of reducing the transmission delay of a scanning signal. A plurality of scanning signal lines are wired in one pixel circuit row. Pixel circuits of the pixel circuit row are connected to any of the plurality of scanning signal lines.

Abstract: A display device includes a display panel and a driving voltage generator. The driving voltage generator generates a first quarter power voltage and a second quarter power voltage. The first quarter power voltage has a level between a power voltage and a half power voltage. The second quarter power voltage has a level between the half power voltage and a ground voltage. A data driver alternately outputs the first quarter power voltage or the second quarter power voltage and a data voltage to the data line. A signal controller controls the driving voltage generator and the data driver. The signal controller includes a pattern recognition unit determining an image pattern of an image based on an input image signal. The signal controller controls the driving voltage generator to adjust the levels of the first quarter power voltage and the second quarter power voltage, based on the determined image pattern.

Abstract: A reflective color display is disclosed. A substrate supports a first conductor layer and pixel wells. A piezoelectric segment is formed in each pixel well over the first conductor layer. A second conductor layer overlies the piezoelectric segments, wherein an electric field created across any piezoelectric segment causes the piezoelectric segment to expand or contract under control of the electric field. A Bragg reflector segment overlies each piezoelectric segment and is compressible by expansion of the underlying piezoelectric segment. A white light LED layer overlies the Bragg reflector segments. By varying the electric field across each piezoelectric segment, the overlying Bragg reflector segment is controlled to reflect a selected wavelength for each pixel of the display. The walls of the pixel wells provide acoustic isolation between adjacent pixel wells. An acoustic membrane isolates the Bragg reflector segment from high frequency vibrations of the piezoelectric segment.

Abstract: A display device includes a display panel including a plurality of scan lines, a plurality of data lines which crosses the plurality of scan lines, and a plurality of pixels that is connected to the plurality of scan lines and the plurality of data lines, a scan driving unit which provides a plurality of scan signals, each of which includes a scan-on signal and a scan-off signal, to the plurality of scan lines, a data driving unit that provides data voltages to the plurality of data lines, and a timing control unit that determines an order in which the scan signals are provided to the plurality of scan lines, where the scan-on signal is provided to each of the plurality of scan lines based on an order of averages of the data voltages transferred to the pixels connected thereto.

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 method for determining the screen brightness in the electronic device includes determining whether a flip cover opens or closes a screen when the screen display event occurs, determining a first brightness value for a full screen display mode when the flip cover is opened, and determining a second brightens value for a flip covered window display. Other embodiments including an apparatus for determining the screen brightness are also disclosed.

Abstract: A driving method of an imaging device, and a driving method of an imaging system set the number of unit cells based on signals output from a plurality of unit cells in a phase difference detection area within an imaging area to a number larger than the number of unit cells based on signals output from a plurality of unit cells in a range other than the phase difference detection area within the imaging area.

Abstract: The present disclosure is related to the liquid crystal display device and the driving method for selectively controlling the average picture level. The liquid crystal display device of the present disclosure comprises: a brightness extractor separating a brightness and a color difference information from an input image; an user interface receiving a limit APL; an APL restrictor calculating an average APL of the input image based on the brightness from the brightness extractor, modulating the brightness of the input image such that the average APL is restricted lower than the limit APL when the average APL of input image is higher than the limit APL, and converting the modulated brightness and the color difference information into a RGB data; and a driving circuit representing the RGB data from the APL restrictor on a liquid crystal display panel.

Abstract: In accordance with the teachings of the present disclosure, a method and system for the timing color of an image display are provided. In one embodiment, a method for displaying image includes sequentially illuminating a spatial light modulator with a plurality of colors by shining light through a color wheel having a plurality of adjacent color segments. The method further includes determining, a time period in which the output of the color wheel is deemed not to correspond solely to either of the two adjacent color segments for at least a portion of the spatial light modulator. The time period is based at least in part on the luminance difference between two adjacent color segments in the color wheel.

Abstract: A method and apparatus for displaying a reflective image in response to light emitted from an emissive display is disclosed. An apparatus includes an emissive display, a processor in communication with the emissive display, and an electronic cover proximate to the emissive display. The electronic cover includes a passive display layer having a plurality of passive display elements and a photosensitive layer responsive to emitted light from the emissive display. A method includes forming an emitted light image on the emissive display and exposing the photoconductor layer of the electronic cover to an emitted light image, causing the plurality of passive display elements to form a reflective image on the passive display layer so that the reflective image corresponds to the displayed image.

Abstract: Methods for activating multi-touch functionality by recognizing and processing multi-touch interactions on a touch surface of non-multi-touch computing devices. The computing device may detect a jump from the location of the first touch event to determine that a multiple touch gesture is being traced. Virtual touch events are detected and stored. Using mathematical formulae, parameters are calculated based on initial and subsequent virtual touch event locations. Based on these parameters the multi-touch functionality is determined, such as a zooming or rotating function. A transform factor may be determined and applied to the image display.

Abstract: An LCD device is discussed in which a level shifter generates two switching signals, and transmits the generated signals to a gate driver of a liquid crystal display panel by the use of one voltage signal transmitted from a timing controller. The LCD device according to an embodiment includes a liquid crystal display panel in which a gate driver for alternately driving two transistors is formed; a data driver which drives data lines of the liquid crystal display panel; a timing controller which generates one voltage signal for switching the two transistors, and outputs the one voltage signal; and a level shifter which generates two of first and second switching signals to switch the two transistors by using the one voltage signal, and outputs the generated switching signals to the gate driver.

Abstract: A display panel, ensuring high photo-detection accuracy in a region near a frame area, is provided. The display panel includes: image display elements disposed in an effective display area of a display screen; a light-shielding layer disposed in a frame area around the effective display area; and photo-detection elements disposed in the effective display area or in both of the effective display area and the frame area. The photo-detection elements detect the invisible light. The light-shielding layer transmits invisible light, while shields visible light.

Abstract: One aspect relates to determining a position of at least one positional display element that can be used to display at least an image portion; and displaying the at least the image portion with the at least one positional display element based at least in part on the determining the position of the at least one positional display element. Another aspect relates to determining a position of at least one positional display element, in which the position can be used to affect a visual presentation.

Abstract: An e-paper printing system comprising a set of electrodes comprising a number of electrodes to erase a portion of e-paper as the e-paper moves relative to the set of electrodes in which the set of electrodes causes a first electric field to be applied to the e-paper with a magnitude of the first electric field increasing at a first rate sufficiently high to cause the erasure of the portion of the e-paper, and causes a second electric field to be applied to the e-paper with a magnitude of the second electric field decreasing at a second rate that is sufficiently low to preserve the erasure of the portion of the e-paper.

Abstract: There is provided a display device in which disadvantageous effects due to unnecessary operations of an image lag alleviating function are minimized. In a display device of active matrix type, for each of the pixels arranged in a matrix, a current-driven emissive element is provided, and the current of the emissive element is controlled using a drive TFT so as to perform display. While a black display period during which an opposite bias voltage is applied between the gate electrode and the source electrode of the drive TFT is inserted in order to alleviate image lag, this insertion is performed only when a predetermined condition is satisfied, and is performed for a certain duration according to a command by a microcomputer (10).

Abstract: A display formed with multiple pixel groups arranged in a matrix manner. Each of the pixel groups has multiple dots arranged in a predetermined identical matrix form, and has at least one first color dot, at least one second color dot and at least one third color dot. Each color dot has multiple sides adjacent to the other dots having a different color. Each color dot represents a luminance and a chrominance of corresponding full color pixel data by grouping with neighboring dots to form a plurality of overlapping full color dynamics pixel groups. The display has good spatial frequency in both X and Y axes, thus giving a higher visual perception of high resolution after performing weighted dot rendering methods, in which each dot in the display represents the luminance and chrominance of each corresponding RGB pixel by forming overlapping dynamic pixels with neighboring color dots.

Abstract: A method of calibrating an optical density sensor comprising calculating a first pigment solid density value of an ink solution using a current first electrical output signal value from a photodetector, a current second electrical output signal value from a photodetector, and a current lens gap value, calculating a second pigment solid density value of the ink solution using a previously measured first electrical output signal value, a previously measured second electrical output signal value, and a previously measured lens gap value, comparing the current first electrical output signal value, the current second electrical output signal value, and the current lens gap value with the previously measured first electrical output signal value, the previously measure second electrical output signal value, and the previously measured lens gap value, and comparing the first pigment solid density value with the second pigment solid density value.

Abstract: A liquid crystal device comprises an active matrix substrate (6) and a counter-substrate (7) provided with homeotropic alignment surfaces (11). A layer of nematic liquid crystal material is provided between the alignment surfaces (11) so as to form a vertically aligned nematic device. The substrates (6, 7) carry a pixel electrode arrangement and a counter-electrode arrangement which define a plurality of pixel regions. Each of least some of these regions has a pixel electrode (13), which may be split into two halves, and a counter-electrode (8) which are arranged to apply an electric field for controlling the liquid crystal director (12) out-of-plane tilt angle. A further electrode (14), for example in the form of a plurality of parallel fingers, cooperates with at least one of the other electrodes (8, 13) to apply a second electric field for controlling the director in-plane azimuth angle. Such a device may be used, for example, as a switchable public/private display.

Abstract: A display apparatus includes a display device and a display driving system having a data input connected to a distributor for providing signals for driving image regions. Each image region has an active display state in which it is driven with an active voltage signal including a first signal level which sets the image region to the active display state and a second signal level applied for a shorter duration than the first signal level. Operation includes (1) applying the first signal level to an image region in response to receiving data on the data input indicating that the image region is to be set to the active display state, (2) applying the second signal level to the image region after said first signal level has been applied, and (3) reapplying the first signal level before receipt of further data for said image region on the data input.

Abstract: The present invention is a method of driving a display device including a transistor, a capacitor one electrode of which is electrically connected to a first terminal of the transistor and the other electrode of which is electrically connected to a gate of the transistor, and a display element a first electrode of which is electrically connected to a second terminal of the transistor, including the steps of: electrically connecting the gate of the transistor, the first terminal of the transistor, and both electrodes of the capacitor to a first line in a first period; electrically connecting the gate of the transistor and the other electrode of the capacitor to a second line in a second period; and electrically connecting the first terminal of the transistor and one electrode of the capacitor to a third line in a third period.

Abstract: A screen includes a light diffusion layer in which microcapsules, each having therein a light diffusion liquid that scatters light for displaying a video image, are planarly arranged. The light diffusion layer is fixed to a supporting sheet by a binder material. On a surface of the supporting sheet, a Fresnel lens is formed. A light diffusion plate is made up of the light diffusion layer and the supporting sheet. The screen is made up of the light diffusion plate and a light diffusion plate. Scattering distribution of a scattered wave of light that passes through the light diffusion layer temporally changes.

Abstract: An electrophoretic display apparatus includes a display unit, a signal voltage application circuit, and a common voltage application circuit. The display unit includes a first substrate having a first electrode formed thereon, a second substrate facing the first substrate and having a second electrode formed thereon, and a partition wall. A pixel space surrounded by the partition wall, the first substrate, and the second substrate contains dispersant suspending positively-charged particles and negatively-charged particles. The signal voltage application circuit applies a signal voltage to the first electrode. The signal voltage includes a write signal voltage to display an image on the display unit, and a post-write signal voltage which gradually changes from the write signal voltage to a hold signal voltage, the hold signal voltage maintaining a display state of the display unit. The common voltage application circuit applies a common voltage to the second electrode.

Abstract: The present invention solves the motion blur of moving images in hold-type display devices. An amount of a moving image is detected from image data included in frames and an image at the intermediate state between an image of the current frame and an image of the next frame is made as an interpolation image. Thus, the movement of the image can follow the movement of human eyes and the luminance of the interpolation image is changed, and thus, display can be made close to pseudo impulse type display. In this manner, hold-type display devices without motion blur and methods of driving the hold-type display devices can be provided.

Abstract: A controller or control method may be designed or configured to operate without information about the current temperature of the device and/or the device's environment. Further, in some cases, the controller or control method is designed or configured to control transition of an optical device to an intermediated state between two end states. For example, the controller may be configured to control a transition to a state of transmissivity that is intermediate between two end states of transmissivity. In such case, the device has three or more stable states of transmissivity.

Abstract: The present invention relates to device and method for adjusting white balance in a laser display system, which enables to adjust white balance taking an optical characteristic of a laser beam into account.

Abstract: A signal adapting chromacity system to control that may include a signal conversion engine to receive a source signal designating a color of light defined by a two spatial plus luminance dimensional color space, such as the xxY color space. The signal conversion engine may convert the source signal to a three dimensional color space defined within a subset gamut of a full color gamut, such as an RGW, RBW, or GBW color space. The subset gamut may include a first color light, a second color light and a high efficacy light. The signal conversion engine may perform a conversion operation to convert the source signal to an output signal, using the output signal to drive light emitting diodes (LEDs). The conversion operation may be a matrix, angular or linear conversion operation.

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.