Abstract: A display device includes a display panel, a back light module, a printed circuit board and a ground slice. The back light module includes a first frame, a second frame and a light source disposed between the first frame and the second frame. The first frame has a first side plate having an opening, and the second frame has a second side plate opposite to the first side plate. The printed circuit board includes a control circuit electrically connected to the display panel. The printed circuit board is disposed at a side of the back light module, and the control circuit is disposed at the outer side of the first side plate and the second side plate, such that the control circuit is opposite to the second side plate through the opening. The ground slice is connected between the control circuit and the second side plate through the opening.

Abstract: A display device includes a display panel, a flexible printed circuit and a back light module. The flexible printed circuit is suitable for supporting the driving element and is electrically connected to the display panel. The back light module includes at least one light source, a first frame and a second frame. The light source is disposed between the first frame and the second frame, and the display panel and the flexible printed circuit are disposed at one side of the first frame, wherein the first frame has at least an opening, the second frame has a element contacting surface, the driving element is disposed on the flexible printed circuit, and the element contacting surface protrudes from the opening for being connected to the driving element.

Abstract: An image display system includes an array of movable micromirrors each controlled by a mirror control system to oscillate between a fully ON and fully OFF positions. The mirror control system further includes at least electrode for applying voltages thereon according to an analog scale for controlling each of the micromirrors to oscillate substantially around a central angle of oscillation varying between the fully-On and fully-OFF angular positions, according to an analog angular scale corresponding to the analog scale of the voltage applied to the electrode(s). The brightness of a reflection from each of these micromirrors are therefore controllable according to an analog scale to generate a corresponding grayscale substantially according to an analog scale.

Abstract: A display apparatus includes a spatial light modulator, such as a digital micromirror device or an LCD panel, and a lighting unit that illuminates the spatial light modulator. The lighting unit may include red, green, and blue lamps which emit light that impinges on a DMD from at least two different directions. The lamps may be flash tubes which are fired at different binary levels in accordance with the rank of the bits that are being displayed on the DMD. The lamps may be fluorescent lamps which are driven steadily at predetermined levels while the rows of micromirrors are turned on in sequence and subsequently turned off in sequence. Resetting to dislodge micromirrors that have become stuck can be accomplished by emitting current pulses through the micromirrors while exposing them to a magnetic field. The illumination unit may include a lamp unit and a color wheel.

Abstract: System and method for driving solid-state light sources utilizing saturation mode current drivers. A preferred embodiment comprises charging a first drive circuit, discharging the first drive circuit into the solid-state light source, charging a second drive circuit, and discharging the second drive circuit into the solid-state light source. The alternating of the charging and discharging of two drive circuits ensures that there is a minimum amount of time without the capability of providing the drive current to solid-state light source. The use of saturation mode drive circuits ensures that it is possible to rapidly switch the solid-state light source on and off, improving the performance of the solid-state light source by minimizing the minimum amount of light producible by the solid-state light source, while reducing power consumption by eliminating the need to provide a headroom voltage.

Abstract: A light emitting apparatus and a method of displaying an image therewith is disclosed. The light emitting apparatus includes a spine and a rib. The rib is attached to the spine and includes a plurality of alternating nodes and connection links. At least one of the connection links is thinner in cross-section than at least one of the nodes. The light emitting apparatus then further includes a connector to attach multiple light emitting apparatuses together. The light emitting apparatus further includes a plurality of pixels, in which the pixels are configured to receive a data signal and power.

Abstract: An electro-optical device is configured to be capable of using a region of a gate line drive circuit efficiently and preventing rising speed of a gate line selection signal from decreasing (rising delay), and a shift register circuit is composed of a single conductivity type transistor which is suitable for the device. The gate line drive circuit including an odd driver to drive odd rows of a plurality of gate lines, and an even driver to drive even rows thereof. Each unit shift register in the odd and even drivers receives a selection signal in the second previous row and activates its own selection signal two horizontal periods later. A start pulse of the even driver is delayed in phase by one horizontal period with respect to a start pulse of the odd driver.

Abstract: An illumination unit may include at least one luminous means; a detector, which is configured to be used to detect at least one brightness of an image; at least one controller connected to the at least one luminous means and to the detector, wherein the at least one luminous means can be driven in a manner dependent on the at least one brightness of the image with the aid of the controller; a plurality of luminous means whose brightnesses can be set in each case at least one of individually and in clusters with the aid of the controller; and at least one switch which is configured to be used to short-circuit at least one luminous means.

Abstract: A thin-film semiconductor device includes a temperature sensor formed of a thin-film semiconductor and sensing a temperature as current, and a current-voltage converter formed of a thin-film semiconductor and having temperature dependence in which its current-voltage characteristic is different from that of the temperature sensor. A temperature sensed by the temperature sensor is converted to a voltage by the current-voltage converter.

Abstract: At a writing time, a first transistor 412 is turned on so that a data signal Xj is supplied to one end of a capacitor 420. At this time, since a second transistor 414 is turned off, driving current does not flow to an organic light emitting diode (OLED) device 430. A power supply voltage Vdd is supplied to the other end of a capacitor through a power supply line L. However, since the driving current does not flow at the writing time, the power supply voltage Vdd is not reduced by the wiring line resistance of the power supply line L. On the other hand, at an emission time, the first transistor 412 is turned off and the second transistor 414 is turned on. Therefore, the driving current is supplied to the OLED device 430.

Abstract: Disclosed is an illumination device. The device includes a light engine in an acoustic tile that introduces light into a plurality of optical fibers using an LED. In between the LED and the fiber ends, an LCD is used to modify the light introduced. To do this, the LCD is programmed to display petal-shaped sections which individually change in contrast to become more occluded and then more transparent. This creates an aesthetically pleasing effect resembling stars.

Abstract: A method for manufacturing the following device is provided: an electro-optical device which includes a pair of substrates holding a display material having optical properties varied by electric stimulation and which has a curved shape. The method includes covering the front and rear faces of a display with a pair of protective films and then bonding end portions of the protective films to each other with an adhesive containing a thermoplastic resin, the end portions being located outside the display; heating the bonded end portions to melt the adhesive and then bending the display depending on applications; and solidifying the melted adhesive by cooling to allow the protective films to hold the display bent.

Abstract: A method for driving a normal black type liquid crystal display (LCD) includes driving the LCD by applying uncompensated source signals corresponding to gray levels; recording first optimized common signal voltages (Vcom-opt1) of common signals corresponding with the gray levels; adjusting the source signal to drive the LCD so second optimized common signal voltages (Vcom-opt2) of common signals corresponding with the gray levels conform to the following conditions: (1) when the gray level is lower than a predetermined gray level, the Vcom-opt2 exceeds a predetermined voltage of the common signal and the absolute difference between the Vcom-opt2 and the predetermined voltage is less than or equal to that between the Vcom-opt1 and the predetermined voltage; and (2) when the gray level exceeds the predetermined gray level, the absolute difference between the Vcom-opt2 and the predetermined voltage is less than or equal to that between the Vcom-opt1 and the predetermined voltage.

Abstract: A transmissive backlit display is disclosed. In one aspect, the backlit display comprises a backlight and an array of transmissive interferometric modulators. Each interferometric modulator comprises a fixed and moving dielectric mirror stack. The interferometric modulators cause light within the desired wavelength range to be transmitted while reflecting at least a portion of the remaining light.

Abstract: A display device prevents luminance unevenness that occurs in the case of inversion driving being performed, and performs high quality image display, while selectively scanning two lines of picture elements constituting a single pixel using a single gate wiring, as in the case of multi-primary color image display.

Abstract: A drive circuit of an electro-optical device comprising electro-optical elements of which each gray scale is controlled in accordance with a data signal output to a data line includes a reference current that generates unit generating reference current and a signal output unit that generates the data signal corresponding to a current value of the reference current generated by the reference current generating unit on the basis of gray-scale data and outputs the generated data signal to the data line. The reference current generating unit performs a refresh operation of setting the current value of the reference current to a predetermined value plural times.

Abstract: In a mobile phone having a liquid crystal display unit, the entire liquid crystal display unit is displayed in a simple display mode at lest in a non-operating standby mode. In the simple display mode, the entire liquid crystal display unit is driven by reducing the number of gradation levels or by decreasing a liquid crystal driving voltage. By using such a controlling method, the power consumption of the liquid crystal display unit can be reduced in the non-operating standby mode. On the other hand, necessary information such as time and the amount of remaining battery is displayed such that the information can be read.

Abstract: A liquid crystal device includes a liquid crystal panel; light sources; a light guide plate, opposed to the light sources, for guiding light emitted from the light sources to the liquid crystal panel; a flexible printed circuit board electrically connected to the liquid crystal panel; and a housing accommodating the liquid crystal panel and the light guide plate. The flexible printed circuit board is fixed to the rear face of the light guide plate in such a state that the flexible printed circuit board is curved. The liquid crystal panel is fixed to the housing with a light-shielding double-faced tape placed outside a display region including a sub-region containing the light sources. The light sources are spaced from the light-shielding double-faced tape with an adhesion-preventing member disposed therebetween or adhesion-preventing treatment is performed.

Abstract: A projection display apparatus has a light source for emitting a white spotlight, a color wheel on which a plurality of transmission areas having different light transmission characteristics are arranged in the circumferential direction, a modulation unit which modulates the spotlight based on image data in a mixed-color period in which, along with the rotation of the color wheel, the spotlight from the light source passes through the color wheel at the boundary between a first transmission area and a second transmission area adjoining each other and having different transmission characteristics, and a timing change unit which changes the timing at which image data based on which the spotlight is modulated is switched to another one.

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 wireless sensor communication network supporting a plurality of electronic-ink display sensor devices adapted for use in environments where a local source of electrical power is not available at the point of sensing/monitoring, and there is a need to display sensed data at the point of sensing/monitoring, and minimize the level of servicing required to maintain the wireless sensors. The wireless sensor communication network includes a network gateway device, one or more wireless network routers, a plurality of wireless electronic-ink display sensor devices, and a network coordinator. Each wireless electronic-ink display sensor device comprises: an addressable electronic-ink based display module providing a display surface on which to display graphics.

Abstract: A display device includes a plurality of scan lines that extend in a first direction and transfer a plurality of scan signals, a plurality of data lines that extend in a second direction intersecting the first direction and transfer data signals corresponding to input video signals, a plurality of sub-pixels formed in an area defined by the plurality of scan lines and the plurality of data lines, a plurality of pixels defined by the plurality of sub-pixels, and a barrier structure corresponding to the plurality of pixels, the barrier structure including a transmitting area and a non-transmitting area, wherein at least two adjacent sub-pixels arranged in the second direction form one pixel.

Abstract: The invention relates to methods and apparatus for forming images on a display utilizing a control matrix to control the movement of MEMs-based light modulators.

Abstract: In a display driver, one scanning period is divided into a period P and a subsequent period D. In the period P, a pre-charge voltage equal to an original data voltage is applied in a time-sharing manner to data lines in one block, and in the period D after the period P, the original data voltage is applied again.

Abstract: A field sequential liquid crystal display maintains its white colour point through compensation values to at least one colour light emitting diode that illuminates the display. The compensation values may be impedances to control the current or pulsing of the current source according to a pulse width modulation technique. A degradation curve may be used to calculate extrapolate the theoretical forward voltage of the light emitting diode. Additional complexity arises from the need for calculating uptime for multiple light emitting diodes of different colours. Brightness levels may also be factored in. Additional processing of a display element may be provided when a grey scale image is being generated.

Abstract: In an active matrix substrate, a plurality of pixels are arranged to correspond to a display region of a liquid crystal panel that has a shape other than a rectangular shape. Further, scan lines that are arranged along rows with the smaller number of the pixels than the other rows among a plurality of scan lines and data lines that are arranged along columns with the smaller number of the pixels than the other columns among a plurality of data lines intersect each other at a position other than the display region.

Abstract: The invention relates to methods and apparatus for forming images on a display utilizing a control matrix to control the movement of MEMs-based light modulators.

Abstract: A pixel array including scan lines, data lines and pixels is provided. Scan lines extend along a row direction and include first and second scan lines. The first and second scan lines are arranged alternately along a column direction. Data lines extend along the column direction in a zigzag manner and include a first data line, a second data line connected to the first data line, a third data line disposed between the first and second data lines, and a fourth data line connected to the third data line. The pixels connect with corresponding scan lines and data lines. Pixels connected with the same data line are not aligned in the column direction; pixels connected with the same data line are only arranged at the same side of the data line. Pixels of any two adjacent rows are separated by a first scan line and a second scan line.

Abstract: The subpixel rendering component of a display system provides the capability to substitute a second subpixel rendering filter for a first subpixel rendering filter for computing the values of certain subpixels on the display panel when the input image data being rendered indicates an image feature that may give rise to a color balance error at some portion of the displayed output image. An image processing method of correcting for color balance errors detects the location of a subpixel being rendered and for certain subpixels, detects whether the input image data indicates the presence of a particular image feature. When the image feature is detected for particular subpixels being processed, a second subpixel rendering image filter is substituted for a first subpixel rendering image filter.

Abstract: In a light emitting display apparatus requiring power supply lines, excellent uniformity in display luminance is provided over a relatively large screen by disposing at least one of input terminals for the power supply lines between input terminals for signal lines.

Abstract: A reliable image display apparatus is provided that is capable of preventing a direct current from being applied to liquid crystal of a spatial light modulating element so that damage such as burns in the liquid crystal and screen flicker may be prevented and a high resolution image with high image quality may be displayed. The image display apparatus is configured to divide a frame into 2i sub frames (i corresponding to a natural number) and sequentially display the sub frames using the liquid crystal spatial light modulating element. The image display apparatus includes a polarity switching unit configured to reverse the polarity of a drive voltage for a pixel of the spatial light modulating element for every j sub frame(s) (j corresponding to a natural number that is less than 2i) and for every n frame(s)(n corresponding to a natural number).

Abstract: An electroluminescent panel includes a partial electroluminescent panel base, a layer of electrically isolated conductive areas next to the partial electroluminescent panel base, and an activatable conductive layer next to the layer of electrically isolated conductive areas. The activatable conductive layer is selectively activated to electrically connect selected electrically isolated conductive areas together to define one or more electrically isolated conductive electrode regions.

Abstract: An image display apparatus includes: a light modulation device having an electro-optic effect in which a refractive index changes according to electric field intensity; a plurality of control points provided on a surface of the light modulation device; and an electric field control section configured to control voltage values to be applied to the plurality of control points, and to form electric field displacement surfaces having a predetermined image pattern in the light modulation device.

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: 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: An organic light emitting display device is provided. The device includes a photo sensor adapted to: sense a brightness of ambient light; output a pulse width of an emission control signal corresponding to a sensed brightness of the ambient light; and output a gamma compensation coefficient corresponding to the sensed brightness of the ambient light and a user selected brightness. The device also includes a gamma compensation circuit adapted to adjust a magnitude of a voltage between a plurality of gradation voltages according to the output gamma compensation coefficient. The device also includes a scan driver and a data driver. The device also includes a pixel portion including a pixel adapted to: emit light according to the data signal, the scan signal, and the emission control signal; and display an image corresponding to the user selected brightness.

Abstract: Provided is an organic EL display apparatus capable of opening and breaking a defective portion without degrading a normal portion of a pixel, and a method of producing the same. The method of producing an organic EL display apparatus in which a plurality of pixels including organic EL devices are arranged includes the steps of: forming an organic EL device formed of a light emitting layer made of an organic compound between a cathode electrode and an anode electrode (Step S1); detecting a defective pixel in which a cathode electrode and an anode electrode are short-circuited (Step 2); and repairing the defective pixel to be opened by selectively applying a voltage between the cathode electrode and the anode electrode with respect to the defective pixel (Step S3).

Abstract: A method for driving an LED backlight device using pulse width modulation with an additional timer to manage the power consumption, thermal output, and lighting level of the device with improved resolution. The method includes receiving a commanded brightness level, and using an n bit pulse width modulator that has a nominal time period (Pn) to assert a plurality of pulses in accordance with an output of the n bit pulse modulator. A modulator output value is assigned to each one of K states of a K state timer that has a timer period (PT). The plurality of pulses is output according to the modulator output value during each nominal time period occurring within the timer period. Power to the display is supplied in accordance with the plurality of pulses.

Abstract: To provide an on-vehicle display apparatus which can suppress the limit to the size of a flat display to enhance the marketability. The on-vehicle display apparatus includes a flat display 21b capable of displaying various types of information, a light-transmitting substrate 21a provided on a front-face side of the flat display 21b, a pointer 22 provided in the light-transmitting substrate 21a, a pointer drive means 25 and 26 provided on a back-face side of the flat display 21b for rotating the pointer 22, a movement mechanism 5 for moving the light-transmitting substrate 21a to the outside of a display range, a first magnet 22c provided for the pointer 22, and a second magnet 22c provided for the pointer drive means 25 and 26 to be opposite to the first magnet 22c.

Abstract: In an OELD panel capable of decreasing a cross-talk and an OELD apparatus having the OELD panel, a switching part is formed in a unit pixel defined by a data line and a scan line to control the output of a data signal in response to a scan signal. A current supply line is disposed on at least two sides of the unit pixel to transfer a current. The sides of the unit pixel are disposed adjacent to one another. An organic electro luminescent part generates a light in response to the current. A driving part is disposed between the organic electro luminescent part and the current supply line to control the current in response to the data signal outputted from the switching part. Therefore, the current supply line forms a net shape to decrease a cross-talk.

Abstract: A brightness adjustment circuit for an electroluminescent display is provided. The brightness adjustment circuit is electrically connected to an electroluminescent panel and a power supply. The brightness adjustment circuit provides a feedback voltage to the power supply. The power supply provides a working voltage to the electroluminescent panel in response to the feedback voltage. The brightness adjustment circuit includes a circuit module and a switch or a circuit module and a voltage supply unit. The feedback voltage is modulated by operating the switch in accordance with a control signal or by a control voltage provided by a voltage supply unit.

Abstract: A display is formed with a plurality of reflective display pixels arranged in a curvilinear configuration, and a plurality of electrodes, where each electrode is electrically coupled to two or more reflective display pixels. In some embodiments, the array is at least partially curvilinear. The reflective display pixels include interferometric modulators.

Abstract: A driving method and a transreflective display apparatus are provided herein. In the driving method, a plurality of voltage-to-transparency curves are provided. An ambient light intensity of the display apparatus is detected for determining a display mode, wherein the display mode is either a transmissive mode or a reflective mode. Next, one of the voltage-to-transparency curves is selected according to the display mode and the ambient light intensity for driving the display apparatus. Therefore, by referring a proper voltage-to-transparency curve to drive the display apparatus, the display quality of the display apparatus can be enhanced.

Abstract: A display or light-modulating device incorporates one or more measures of liquid that obstruct or filter light that passes onto or through the liquid; a space distribution of different light-modulating filters, optical instrument or materials or of materials that change the frequency or color of light passing onto or through them, to emit a different frequency or color of light; and means to apply electrowetting effect to controllably modulate the location or shape of one or more measures of a polar or conductive liquid, so that at least some portion of one or more light-obstructing or light-filtering measures of liquids is caused to be located between one or more light sources and the space distribution of light-modulating filters, optical instruments or light-modulating materials, or said space distribution of materials that change the frequency or color of light passing onto or through them, to emit a different frequency or color of light, thereby controllably modulating properties of light emitted from sa

Abstract: According to one embodiment, a method for providing position feedback for a device includes providing a photointerrupter having a light-emitting diode, a phototransistor, and an aperture between the light-emitting diode and the phototransistor. For a given size aperture, a current through the phototransistor is a function of a current through the light-emitting diode. The method also includes controlling the current through the light-emitting diode current such that a change in the effective aperture size results in a desired approximately proportional change in current through the phototransistor. While controlling the current through the light-emitting diode, a portion of the aperture is blocked by an arm that has a position indicative of the position of the device. The method also includes providing a signal indicative of the change in current through the photodiode as an indication of the change in position of the device.

Abstract: A light-emissive module (114), typically utilizing one or more LEDs (132R, 132G, and 132B), is configured so that the maximum intensity of the module's light emission occurs along a direction (138) materially non-perpendicular to the back surface (136) of the module's supporting body (130). An active image-generating screen (102) contains a plurality of block facets (112), each containing a plurality of the light-emissive modules arranged so that their maximum light-intensity directions are largely the same. The block facets are configured to approximate a curved surface. The maximum light-intensity directions (158) of the block facets are thus materially slanted to one another. The image-generating screen presents a video image. A display system suitable for a motion simulator, such as a flight simulator, is formed by combining the screen with a reflective collimator (104).

Abstract: A method for driving an electrophoretic device that includes an electrophoretic element between a common electrode and a pixel electrode, the electrophoretic element including electrophoretic particles, the method including applying voltages on the common electrode and the pixel electrode, thereby conducting an image rewrite process, wherein the image rewrite process includes a first reset period process, during which a voltage-equivalent of a first gradation, which has a higher level of brightness than an intermediate gradation, is applied between the common electrode and the pixel electrode, thereby causing electrophoretic particles to migrate; and a second reset period process, during which a voltage-equivalent of a third gradation which is between a second gradation and the first gradation is applied between the common electrode and the pixel electrode, the second gradation being at a lower level of brightness than the intermediate gradation, thereby causing the electrophoretic particles to migrate.

Abstract: An image display device and image display method are provided. The device and method can prevent changes in image density and contrast, which are caused by repeated displaying over long periods of time and changes in environment, by employing accurate electric current detection, due to the following operations. Voltage measurement is initiated with a detection circuit. Next, the application of drive voltage is initiated with a drive power source. An electric current value is calculated from the measured voltage value and the electric current value is temporarily stored. The electric current values are stored every set amount of time and the storage thereof accumulates. Application of the drive voltage is terminated and the integral value of the electric current is calculated in accordance with formulas.

Abstract: A light-emitting element (OLED) is caused to emit light with preferred brightness and gradation level depending on display data. During a precharge period, a data driver applies a precharge voltage (Vpre) to a capacitor (Cs) via a data line (Ld). After the application of the precharge voltage, a voltage converter reads, after a transient response period (Ttrs), a reference voltage Vref to generate a compensation voltage (a·Vref). A voltage calculator compensates, based on the compensation voltage (a·Vref), an original gradation level voltage Vorg having a value in accordance with display data generated by a gradation level voltage generator. As a result, the voltage calculator generates a compensated gradation level voltage Vpix corresponding to a variation amount of an element characteristic for a transistor Tr13 for driving light emission to apply the compensated gradation level voltage Vpix to a data line Ld.

Abstract: Disclosed is an electrowetting device. The electrowetting device includes a conductive or polar liquid material, and an electrode applying voltage to the liquid material through a dielectric layer. In the electrowetting device, the dielectric layer is formed as an anodized portion made of a metal oxide formed by anodizing the electrode, and a voltage applying unit applying voltage between the electrode and the liquid material and a polar capacitor are placed between the electrode and the liquid material.