Abstract: Provided is a liquid crystal display device wherein it is possible to specifically prevent the pseudo contouring of an area in which an image having a large motion vector is displayed, such as a telop area. A telop area (R1) (an example of a component image area) in which the motion vector is set in advance and which has a magnitude greater than or equal to a predetermined magnitude is detected. The intermittent lighting timing of an illumination portion is controlled in a manner such that the turn-off period having a predetermined length is set between the point in which the detected telop area (R1) writes a video signal to a liquid crystal element and the point in which the liquid crystal element responds.

Abstract: A light sensing circuit using an oxide semiconductor transistor, a method of manufacturing the light sensing circuit, and an optical touch panel including the light sensing circuit. Because the light sensing circuit includes only one light sensor transistor and one switch transistor formed on the same substrate, a structure of the light sensing circuit is simplified. Furthermore, because the light sensor transistor and the switch transistor have the same structure, a method of manufacturing the light sensing circuit is also simplified. Also, since an optical touch panel or an image acquisition apparatus using the light sensing circuit uses the light sensing circuit having a simple structure and does not use a capacitor, the optical touch panel or the image acquisition apparatus may be made thinner and larger.

Abstract: A system for displaying images including a display panel and a fabrication method thereof are provided. The method includes forming a first gate line and a second gate line at each row of pixels of the display panel, wherein the first gate lines and the second gate lines are separated and electrically isolated from each other. A first insulating layer is formed to cover the first gate lines and the second gate lines, and a plurality of via holes are formed in the first insulating layer to expose the first gate lines and the second gate lines. Then, a first conductive pattern is formed on the first insulating layer, such that the first gate line at each row of the pixels is electrically connected to the second gate line at an adjacent row of the pixels, by the first conductive pattern, through the via holes.

Abstract: A method for an electronic device with a display unit and an electronic device are provided. The method may comprise: obtaining an environmental parameter under an environment where the electronic device is disposed when the display unit is in a first display status, the environmental parameter including at least an environmental color temperature parameter of the environment and configured for adjusting the display status of the display unit; determining whether to adjust the display status based on at least the environmental color temperature parameter included in the environmental parameter to get a first determination result; and adjusting the display status from the first display status to a second display status different from the first display status if the first determination result indicates that it is to adjust the display status.

Abstract: A plurality of transistors in which ratios of a channel length L to a channel width W, ?=W/L, are different from each other is provided in parallel as output side transistors 105a to 105c in a current mirror circuit 101 which amplifies a photocurrent of a photoelectric conversion device and an internal resistor is connected to each of the output side transistors 105a to 105c in series. The sum of currents which flow through the plurality of transistors and the internal resistor is output, whereby a transistor with large amount of ? can be driven in a linear range with low illuminance, and a transistor with small amount of ? can be driven in a linear range with high illuminance, so that applicable illuminance range of the photoelectric conversion device can be widened.

Abstract: An image display apparatus includes: an image forming device; an optical system converting light emitted from the image forming device into parallel light; and an optical device to which the light beams converted into the parallel light by the optical system enter, in which the light beams are guided, and from which the light beams are emitted, wherein a central light beam emitted from the center of the image forming device, passing through the nodal point of the optical system and entering the optical device at an optical device center point intersects an XY plane defined by an X axis that passes through the optical device center point, and is parallel to the axis direction of the optical device and a Y axis that passes through the optical device center point, and coincides with the normal axis of the optical device at angles other than 0 degree.

Abstract: Embodiments of the present invention comprise systems, methods and devices for increasing the perceived brightness of an image. In some embodiments this increase compensates for a decrease in display light source illumination.

Abstract: An apparatus for setting a display device includes a target value obtainer, a measured value obtainer, and a determiner. The target value obtainer acquires a target value of a display setting including color temperature and brightness for a display device configured to display an image. The measured value obtainer acquires a measured value of display characteristics including the color temperature and the brightness in each of multiple states specific to the display device, from the display device for which the display setting is sequentially changed to the multiple states. The determiner determines a setting value in the display setting including the color temperature and the brightness from among the multiple states, on the basis of the target value and multiple measured values acquired by the measured value obtainer.

Abstract: A system and method for characterizing the power and luminance values for a display. This may include testing a device to determine a luminance value for a display of a given device at a given current and determining whether the first current is to be adjusted during future uses based on a comparison of the luminance with at least one threshold value. This may also include storing an adjusted current value if it is determined that the first current is to be adjusted.

Abstract: A small sensor surface designed to control a smart phone or Mobile Internet Device (MID). The sensor surface may be mounted on the side of the proposed device in a position where a user's thumb or finger naturally falls when holding the device in his/her hand. The sensor surface is simultaneously convex and concave, providing both visual and physical cues for the use of the sensor surface. The sensor may include capacitive sensing, optical sensing and pressure sensing capabilities to interpret thumb gestures into device control.

Abstract: A display light measurement method which can measure color representation of a various types of display devices regardless of the specification of the display device; a computer program, and a measurement system. A measurement device connected to an optical sensor can communicate with a target display device (information terminal) to be measured. The measurement device transmits content including a color patch to the display device to cause the display device to display the content and performs a measurement on the displayed content using the optical sensor. To perform measurements on many color patches, the measurement device repeats the following: when a measurement on one color patch being displayed is complete, the measurement device transmits content including another color patch to the display device to cause the display device to display the content and performs a measurement on the content being displayed.

Abstract: A measuring device for measuring a response speed of a display panel is provided. The measuring device includes a microcontroller and at least one photo sensor. The microcontroller provides a control command, according to which a display controller of the display panel provides test pattern to the display panel. The photo sensor senses a test frame displayed corresponding to the test pattern by the display panel, and provides a corresponding sensing signal associated with brightness and a response signal. According to the response signal, the response speed of the display panel is calculated.

Abstract: In order to make visible the image in a region which is hidden by an image sensor provided on a display unit when performing color calibration, an image display device of the present invention includes a sensor position detecting unit that detects a position on a screen where the image sensor is provided, and an image processing unit that displays, at another region on the screen, an image at the position on the screen that is detected by the sensor position detecting unit.

Abstract: Illustrated is a system and method to use a photometer to receive a light vector, the photometer to determine intensity of the light vector. The system and method also uses a processor to determine a location of a light source that generates the tight vector. Additionally, the system and method uses a touch-sensitive screen to display an icon pixel shaded based upon the intensity of the light vector and the location of the light source.

Abstract: Systems and methods for initializing real-time, vision-based hand tracking systems are described. The systems and methods for initializing the vision-based hand tracking systems image a body and receive gesture data that is absolute three-space data of an instantaneous state of the body at a point in time and space, and at least one of determine an orientation of the body using an appendage of the body and track the body using at least one of the orientation and the gesture data.

Abstract: A display system configured for multi-touch input is provided. The display system comprises a display surface, a local light source to illuminate the display surface with infrared light, and an image-producing display panel. The image-producing display panel comprises a plurality of image sensor pixels positioned within a sensor layer of the image-producing display panel. The image-producing display panel further comprises an angularly-selective layer positioned between the display surface and the sensor layer, wherein the angularly-selective layer is configured to transmit light having a first range of incidence angles with the surface normal of the angularly-selective layer to a first sensor pixel of sensor layer, and to reflect light having a second range of incidence angles from a second sensor pixel of the sensor layer, where the second range is greater than the first range of incidence angles with respect to a surface normal of the sensor layer.

Abstract: A calibration apparatus including: a measuring unit configured to measure optical characteristics at a measurement position on a screen of an image display apparatus; a storing unit configured to store information on correspondence determined in advance among the optical characteristics at the measurement position and optical characteristics at a plurality of prescribed positions on the screen; an acquiring unit configured to acquire a representative position of an image displayed on the screen; and a calibrating unit configured to perform calibration based on the measurement value measured by the measuring unit, information on the correspondence, and a positional relationship among the plurality of prescribed positions and the representative position.

Abstract: A preferred embodiment relates to controlling the amount of backlight power in an electronic display to account for the temperature in the backlight cavity. Another embodiment relates to a system for controlling the amount of backlight based on both the temperature of the backlight and the amount of ambient light.

Abstract: An image display apparatus includes: a plurality of light emitting units; a display panel; a first acquisition unit configured to acquire brightness information, a first control unit configured to determine light emission quantity for each of the light emitting units; a second acquisition unit configured to acquire a detected value of light from a predetermined region; a first determination unit configured to determine whether a change due to a difference of the light emission quantity between the light emitting units is generated in the light from the predetermined region; a calibration unit configured to perform calibration of display characteristics; and a second control unit configured to control the calibration on the basis of a determination result of the first determination unit.

Abstract: Methods and devices are provided for controlling the brightness of a display for an electronic device based on ambient light conditions. In one embodiment, an electronic device may employ one or more brightness adjustment profiles for changing the brightness of a display based on the ambient light level. The brightness adjustment profiles may include two or more sections, each corresponding to different ambient light levels, which may be adjusted independently of one another. The different sections may allow a user to customize brightness adjustments for different ambient light conditions. In certain embodiments, the slope and/or offset of a section may be adjusted in response to receiving a user input that changes the brightness setting for a certain ambient light level.

Abstract: A multi-display system includes a test pattern display controller that causes a test pattern to be displayed in a predetermined display region on a periphery of an LCD module of each image display device, an optical transmitting unit that constitutes a plurality of transmission channels each capable of transmitting an emitted light from each of the display regions, a spectral radiance sensor that detects spectral characteristics of the emitted light transmitted by each of the transmission channels, and an adjustment unit that adjusts, based on the spectral characteristics detected by the spectral radiance sensor, luminance and chromaticity of the image display device having the LCD module that has outputted the emitted light having the spectral characteristics so that the difference from luminance and chromaticity of the adjacent image display devices decreases.

Abstract: A touch panel includes a plurality of active pixel sensors arranged in an array to sense a touch event. Each sensor element includes a photo-sensing element coupled to a single amplifier. The sensor element is arranged to provide a sensing voltage indicative of a light level received by the photo-sensor in a sensing period. The sensing voltage is amplified by the amplifier into an output voltage in the sensing period. Following the sensing period, the output voltage and the sensing voltage are reset to a predetermined voltage level. Following the reset period, the photo-sensor as well as the amplifier is disabled for a period so that the sensing level is caused to drop below the predetermined voltage level.

Abstract: Ambient light is detected by a photodiode circuit by measuring the time taken for a digital output of the photodiode circuit to change state in response to exposure of a photodiode of the photodiode circuit to that ambient light. A nominal time for state change is calculated based on photodiode circuit characteristics. Furthermore, an effective time for the photodiode circuit digital output to change state is determined in a calibration mode where the photodiode has been disconnected and a reference current is applied to the circuit. An illumination value of the detected ambient light is then calculated as a function of: the measured time, the effective time and the nominal time.

Abstract: A scan projection device and a controlling method are projected. The scan projection device comprises a light source module, a scanning module and a scan driving device. The light source module is for providing an image beam. The scanning module has a first direction scanning frequency and a second direction scanning frequency. The first direction scanning frequency is 2N+1 times of the second direction scanning frequency, wherein N is an integer. The scanning module is for projecting the image beam towards a particular direction and scanning a projection surface. The scan driving device controls the scanning module to scan the projection surface back and forth along a scan trace at the first direction scanning frequency and the second direction scanning frequency.

Abstract: A medical therapy machine includes: an enclosure; a medical therapy machine component located inside the enclosure; a video monitor supported by the enclosure and displaying at least one of information and indicia relating to the medical therapy; an ambient light sensor positioned with respect to the enclosure so as to be able to sense a level of ambient light impinging the enclosure; and a logic implementor configured to control a level of backlight brightness for the video monitor based on the level of ambient light sensed by the sensor.

Abstract: An electronic device may be provided with an image sensor for capturing digital images. The image sensor may be used as part of image-sensor-based ambient light sensing circuitry for producing ambient light sensor readings. The image-sensor-based ambient light sensing circuitry may include a reference array. The reference array may be formed from an array of light sensor elements that are matched to elements in the image sensor but that are covered with a light blocking material. Control circuitry can measure current flow into the reference array and the image sensor array and can use current measurements from these arrays in producing a calibrated ambient light sensor reading. The control circuitry may make current measurements by measuring a decay time associated with the voltage of a discharging capacitor. A comparator, pulse generator, and switch may be used in periodically recharging the capacitor. The capacitor may be adjusted to ensure accurate readings.

Abstract: An organic light emitting display device with a touch screen function, the apparatus including a first substrate including a pixel region and a nonpixel region, a second substrate disposed above the first substrate so as to be spaced apart from the first substrate, a plurality of pixel units disposed in the pixel region, and a sensor unit disposed in the nonpixel region and detecting light, where each of the plurality of pixel units includes a red subpixel, a green subpixel and a blue subpixel, and the red subpixel is arranged so as not to be adjacent to the sensor unit.

Abstract: A module circuit (11) comprises a sensor terminal (43) for feeding a sensor signal (SP) and a clock terminal (41) for feeding a pulse width-modulated clock signal (ST) having a first and a second clock phase (A, B). A signal processing circuit (40) of the module circuit (11) is coupled on the input side to the sensor terminal (43) and the clock terminal (41) and is designed to provide an output signal (SAL) dependent on the sensor signal (SP) that can be tapped in the first clock phase (A) and independent of the sensor signal (SP) that can be tapped in the second clock phase (B).

Abstract: Embodiments of the present invention disclose a method and an apparatus for controlling a conference place environment in video communication, in which, the method for controlling a video communication conference place environment includes: generating illumination feedback information indicating an illumination effect of a video communication conference place, in which the illumination feedback information comprises: a parameter indicating an illumination flaw or a parameter indicating correction of the illumination flaw; and outputting the illumination feedback information, so that a lighting controlling device in the video communication conference place controls lighting in the video communication conference place according to the illumination feedback information. By use of technical solutions provided by the embodiments of the present invention, a conference place environment in video communication is able to be remotely controlled.

Abstract: The enhancement of images to be displayed on a liquid crystal display (LCD) comprises remapping initial pixel values to remapped pixel values in accordance with an equation that raises an initial pixel value to an exponent of a modified gamma value ratio. The modified gamma value ratio is based on a backlight level, an ambient light level and/or other light levels associated with the LCD. The enhancement can selectively increase image brightness in response to a reduction in the backlight level or an increase in the ambient light level, or selectively reduce image brightness in response to a reduction in the ambient light level. The image or a portion of the image can be enhanced. An image portion to be enhanced can be a user-specified bounding box or one or more windows selected by a user or associated with one or more applications running on a computing device.

Abstract: A scanning position of laser light applied to a projection plane is detected, and based on the detected scanning position, a synchronization signal is generated to designate a scan timing. A correction region detection portion detects whether or not a part corresponding to a prescribe region of an image on the projection plane is scanned by laser light, based on the generated synchronization signal. When the part corresponding to the prescribed region is scanned, a correction amount derivation portion corrects a gradation signal based on the difference between the detected quantity of laser light and a prescribed quantity of light to be output from the laser for displaying the image in the prescribed region.

Abstract: In a method for adjusting brightness of a backlight of an electronic device, an association between ambient light intensity of the electronic device and brightness of the backlight is established. An image in front of the electronic device is captured. A current ambient light intensity of the electronic device is calculated according to the image, and a corresponding brightness of the backlight is determined. The backlight is controlled to emit light with the determined brightness.

Abstract: A display device includes a monolithic gate driver with drive signal trunk wiring lines that transmit drive signals (such as clock signals) made of a source metal in a region on the opposite side of a display region with respect to a shift register region. A VSS trunk wiring line arranged to transmit a low-level direct-current power supply potential is made of a source metal in a region between the shift register region and the display region. Each of bistable circuits defining a shift register and a drive signal trunk wiring line are connected by a drive signal branch wiring line made of a gate metal. Each bistable circuit and the VSS trunk wiring line are connected by a VSS branch wiring line made of a source metal.

Abstract: A method for controlling characteristics of an electronic device based on ambient light levels is provided. In one embodiment, the method includes receiving light at an ambient light sensor of a device and measuring components, such as color components, of the visible light. The component levels may be weighted differently by factors that vary based on the intensity of the light received by the ambient light sensor. Also, the brightness level of a light source in the device or color output of the device may be controlled based on the weighted component levels. Additional methods, systems, and devices relating to control of an electronic device based on sensed ambient light are also disclosed.

Abstract: This invention provides an electro-optical module with reduced noise in driving voltage. The invention can include a power supply substrate that is arranged separately from the flexible substrate having a driver, so that the noise of the driving voltage supplied from the power supply substrate is reduced.

Abstract: A method of producing a color image using a display comprised of pixels comprising red, green and blue primary color subpixels. The method comprises reducing the color gamut and increasing the brightness of the image relative to a base level, decreasing power to the display to reduce the brightness of the image, restoring color to the image to approximately the base level by modifying image pixel data using a three-dimensional lookup table to produce output image pixel data, and communicating the output image pixel data to the display. The display may be an LCD display, an LED display, an OLED display, a plasma display, and a DMD projector. Reducing the color gamut and increasing the brightness of the image may be accomplished by adding white to the image. The white may be added adaptively according to an algorithm by which the amount of white added decreases with increasing color saturation.

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 display apparatus includes a pointing device including a light emitting unit and a light receiving unit to detect a position of an object inserted into an optical path between the light emitting unit and a light receiving unit, wherein the pointing device includes an optical intensity store unit configured to store an optical intensity distribution detected by the light receiving unit in a memory unit upon detection of a change in a position or location of a display, and a position calculating unit configured to detect the position of the object by detecting a dark point in the optical intensity distribution caused by the insertion of the object based on a difference between the optical intensity distribution stored in the memory unit and an optical intensity distribution subsequently detected by the light receiving unit.

Abstract: An outdoor readable liquid crystal display device (200) includes a liquid crystal panel (210), a backlight device (220) and a light source control device. The backlight device (220) includes a plurality of red light emitting diodes (220r), green light emitting diodes (220g) and blue light emitting diodes (220b). The light source control device is used to adjust the backlight device (220) based on the light intensity of ambient light. When the light intensity of ambient light is lower than a predetermined light intensity of the liquid crystal display device (200), the red light emitting diodes (220r), the green light emitting diodes (220g) and the blue light emitting diodes (220b) of the backlight device (220) are sequentially energized to emit lights at a predetermined time lag.

Abstract: An image display unit comprises a display area including pixels, and an imaging unit disposed at its rear side behind the display area. Light transmissive sections are located within the display area and correspond to the pixels. The light transmissive sections are configured to separately receive light incident upon the image display unit, and pass the received light to the imaging unit.

Abstract: The invention relates to the field of LCDs, and more particularly to a frame for an LCD device and an LCD device including the frame. The frame includes side frames. A pair of parallel side frames of the side frames are correspondingly provided with folding points, and the frame is folded and superposed along the folding points. The frame for an LCD device of the invention is of a rectangle structure in general, and includes four side frames; a pair of parallel side frames are correspondingly provided with folding points, and the frame is folded and superposed along the folding points; because the frame is folded and superposed along the folding points, the area of the frame is significantly reduced during packaging and transportation, thereby facilitating transportation, saving packaging material, and increasing packaging efficiency. When assembling the LCD device, the frame can be conveniently expanded.

Abstract: Disclosed is a liquid crystal display device that has a function of detecting the position where light emitted from an input pointer 50 has been inputted to an image display surface 10a of an display panel and that switches the display direction (vertical direction) of a display image on the display panel on the basis of the radiation direction of the light emitted from the input pointer 50. Thus, a display device having a position detection function that enables the display direction of a display image to be switched using a simple structure can be provided.

Abstract: A display device includes: a screen unit; a drive unit; a signal processing unit; and a selector, wherein the screen unit includes rows of scanning lines, columns of signal lines, matrix-state pixel circuits and a light sensor, the drive unit includes a scanner supplying a control signal to the scanning lines and a driver supplying a video signal to the signal lines, the screen unit is sectioned into plural regions each having plural pixel circuits, the pixel circuit emits light in accordance with the video signal, the light sensor is arranged with respect to each region and outputs a luminance signal in accordance with the light emission, the selector supplies plural luminance signals to the signal processing unit by switching the signals, and the signal processing unit corrects the video signal in accordance with the luminance signals and supplies the video signal to the driver.

Abstract: An image processing method and apparatus using the image processing method are provided. The apparatus comprises a processor configured to scale color values of input image data, thereby simulating the optical characteristics of paper. The simulation takes into consideration varying ambient light conditions around the display to imitate the optical characteristics of physical paper in the same ambient light conditions.

Abstract: The occurrence of the halo phenomenon caused in a display panel unit is detected in a liquid crystal display device that displays an image in the display panel unit including color filters of a plurality of colors by respectively controlling emission ratios of a plurality of LEDs emitting lights of colors respectively corresponding to the plurality of color filters. Upon detection, a part of the display panel unit, for example, the channel number and the vicinity thereof are set as a non-detection area in which the detection of the halo phenomenon is restricted and the remaining area is set as a detection area. The chroma of light, which corresponds to mixed light from the plurality of LEDs, is reduced by controlling the emission ratios of the LEDs on the basis of the detection result in the detection area, so that the color of light is closer to white.

Abstract: A method of testing analog and digital paths of a pixel in a row of an imager, includes the following steps: (a) injecting first and second charges into the analog path of the pixel, wherein the first charge is in response to a light exposure, and the second charge is in response to a built-in test; (b) sampling the first and second charges to form an image signal level and a test signal level, respectively; and (c) converting, by an analog-to-digital converter (ADC), the image signal level and the test signal level to form image data and test data, respectively. The method then validates the image data based on the test data.

Abstract: A system and method for producing an image having high dynamic range is described. The system comprises: a light source for providing light along an optical path; a digital micromirror device for directing portions of the light to off-state and on-state light paths, thereby producing an image; and a deformable optical element disposed in the optical path between the light source and the digital micromirror device for steering at least some of the light from the off-state light path to the on-state light path to increase dynamic range of the image produced by the digital micromirror device. The deformable optical element can comprise at least one steerable segment and at least one static element.

Abstract: A glare reduction system is provided for glare reduction. The glare reduction system includes an imaging source configured to receive light from an object, and a display driver configured to process the received light to generate an input signal. The glare reduction system further includes a display device configured to receive the input signal. A glare reduction panel is positioned anteriorly to the display device. The glare reduction panel including a liquid crystal layer configured to receive the input signal and an end polarizer with an axis of transmission relative to an angle of transmission of a second polarizer of the display device.

Abstract: An electronic device may have a display with a brightness that is adjusted based on data gathered from one or more ambient light sensors (ALSs). In one suitable arrangement, an ALS may include a photodiode, a temperature sensor, a scaler, an analog-to-digital converter (ADC), and a subtractor. The subtractor may have a first input coupled to the photodiode via the ADC, a second input coupled to the temperature sensor via the scaler, and an output on which a leakage-compensated sensor output is provided. In another suitable arrangement, the ALS may include first and second photodiodes, a light blocking layer formed over the second photodiode, a scaler, and a subtractor. The subtractor may have a first input coupled to the first photodiode, a second input coupled to the second photodiode via the scaler, and an output on which a leakage-compensated sensor output is provided.

Abstract: The present invention relates to an apparatus for automatically controlling illuminance, which transmits a dimming signal based on the zero-crossing of AC power using an illuminance control electronic switch. An apparatus for automatically controlling illuminance of Light-Emitting Diode (LED) lighting according to an embodiment of the present invention includes a dimming control electronic switch for, if manipulation of a switch by a user is sensed during supply of Alternating Current (AC) power to an LED lamp, interrupting supply of the AC power during a preset period of time based on zero-crossing of the AC power, and an LED lamp control device for controlling illuminance of the LED lamp by detecting supply and interruption of the AC power.