Abstract: The present invention provides a temperature sensing system integrated in a liquid crystal display panel and a liquid crystal display panel. The temperature sensing system includes a sensing unit (11), located in a display region (1) of the liquid crystal display panel, and a calculation and control unit (12), located outside the display region (1); the sensing unit (11) includes a first metal conductor (A) and a second metal conductor (B) located in the display region (1), and as a short circuit point exists between the two, a voltage difference generates between the two, and the voltage difference is converted into a digital signal with an analog to digital converter (122) after it is amplified by an operational amplifier (121), and finally, the micro controller unit (123) processes the digital signal to obtain a temperature in the liquid crystal display panel and to determine whether the protect temperature is reached.

Abstract: A luminance compensator in a display device includes a temperature sensor that detects a temperature of a display panel, a temperature estimator that calculates an estimated temperature of each of a plurality of pixel blocks based on an average luminance of each pixel block and the temperature of the display panel, a first weight calculator that detects a displacement of the display panel and calculates a first temperature compensation weight for first compensation pixel blocks of the pixel blocks, the first compensation pixel blocks being adjacent to an upper side of an image pattern area displayed on a portion of the display panel, and a temperature compensator that calculates temperature compensation data by applying the first temperature compensation weight to the estimated temperature to compensate the average luminance, and outputs the temperature compensation data.

Abstract: A head-up display device for a vehicle includes a housing, a temperature detector, and a light source control unit. The head-up display device projects, toward an external projection member, lights indicating display information for displaying an image produced by the reflected lights to a user positioned at a predetermined position. The housing houses the display portion and the light source disposed facing each other via heat transfer space. The temperature detector is disposed in a surrounding area of the display portion and the light source, and detects a temperature of the surrounding area. The light source control unit increases brightness of the emitted lights by increasing driving current of the light source when the detected temperature is lower than a reference low-temperature. The heat generated by the increased driving current is transferred to the display portion via the heat transfer space, and increases a temperature of the display portion.

Abstract: An organic light-emitting display device includes an organic light-emitting display panel displaying an image that includes a plurality of frames, a data driver providing a plurality of data signals, which correspond to the image, to the organic light-emitting display panel, and a gamma voltage generator providing a gamma voltage, which varies in a same period as each of the frames, to the data driver.

Abstract: An electronic device may generate content that is to be displayed on a display. The display may have an array of liquid crystal display pixels for displaying image frames of the content. A charge accumulation tracker may analyze the image frames to determine when there is a risk of excess charge accumulation. The charge accumulation tracker may implement a physically derived circuit model of the pixels. A charge accumulation input response matrix and a charge accumulation state response matrix for the model may be stored in look-up table circuitry and used in computing a current charge accumulation state based on current pixel voltage information and previous state information. The impact of temperature, backlight illumination level, frame duration, and other factors may be taken into account in evaluating the current charge accumulation state.

Abstract: Systems and methods may apply global contrast correction to a plurality of thermal images. For example, a vehicle may capture a plurality of aerial thermal images for use in generating a composite image. Each individual thermal image may be individually contrasted based on the temperature range of pixels in that image, so the contrast range of the thermal images may vary. The plurality of thermal images may be analyzed to determine a global contrast range. Extreme temperatures may be excluded from the global contrast range. Based on the global contrast range, a contrast level of each of the plurality of thermal images may be adjusted. For example, the individual temperature range of each thermal image may be scaled to a global temperature range. A composite image having consistent contrasting may be generated from the plurality of thermal images.

Abstract: A power supply device and a display device including the same disclosed. In one aspect, the power supply device includes a DC-DC converter including a power supply having an input voltage and configured to generate a power voltage and a power current based at least in part on the input voltage and a feedback voltage and supply the power voltage to an output line. A detector is configured to detect the power voltage and the power current, a feedback circuit configured to generate the feedback voltage based at least in part on the power voltage and the power current and supply the feedback voltage to the DC-DC converter. A memory is configured to store a power error voltage signal corresponding to a power error voltage including the difference between the power voltage and a reference power voltage.

Abstract: The present invention provides a thin film transistor gate voltage supply circuit, and the thin film transistor gate voltage supply circuit is employed to supply a gate voltage for a thin film transistor, and the thin film transistor gate voltage supply circuit comprises a voltage generation circuit and a temperature compensation circuit, and the voltage generation circuit is employed to generate an original voltage, and the temperature compensation circuit is electrically coupled to the voltage generation circuit, and the temperature compensation circuit is employed to detect an ambient temperature, and as the ambient temperature is smaller than a preset temperature, the temperature compensation circuit compensates the original voltage according to a difference value of the ambient temperature and the preset temperature to obtain a first voltage, and supplies the first voltage to a gate of the thin film transistor to drive the thin film transistor normally work.

Abstract: According to an aspect, a light emitting device includes a base that includes at least a frame body; a light source that emits light; and a temperature sensor with which the base is provided and that detects changes in temperature of the light source. A space is provided between the temperature sensor and a portion of the base corresponding to a portion in which the temperature sensor is provided.

Abstract: A display device includes a substrate, a thin film transistor disposed on the substrate, where the thin film transistor includes a drain electrode, a passivation layer disposed on the substrate covering the thin film transistor, a common electrode disposed on the passivation layer, where the common electrode receives a common voltage, a liquid crystal layer disposed in a microcavity layer on the common electrode, a roof layer disposed covering the liquid crystal layer, and a pixel electrode disposed on the roof layer, and a method of manufacturing the display device is provided.

Abstract: A display device and an operation method thereof are provided. The display device includes a frame scaler, a timing controller, a LCD panel and a source driver. The frame scaler provides a plurality of image data according to an image signal and determines whether the image data are repeatedly transmitted according to a frame control signal. When the image data are repeatedly transmitted, the image data transmitted firstly are set to correspond to gray scale data, and the image data retransmitted are set to correspond to a display image transmitted by the image signal. The timing controller receives the image data to provide a plurality of image display data and receives the frame control signal to determine a data transmission rate of the image display data. The source driver provides a plurality of display voltages to the LCD panel according to the image display data.

Abstract: A liquid crystal display device is configured so that one frame is divided into two fields and a pixel of a liquid crystal panel is driven. The liquid crystal display device performs overdrive when a gray-scale level to be supplied to the pixel is different between a previous frame and a current frame. The liquid crystal display writes a voltage corresponding to the gray-scale level of the pixel with a positive voltage in a first field, and writes a voltage corresponding to the gray-scale level to be supplied to the pixel with a negative voltage in a second field. When performing overdrive, the liquid crystal display device performs overdrive in both of the first field and the second field. Also, when performing overdrive, the liquid crystal display device corrects the gray-scale level to be supplied to the pixel.

Abstract: A gate driving circuit includes a plurality of stages for providing gate signals, wherein a k-th stage (k is a natural number greater than 3) includes a first output transistor including a control electrode connected to a first node, an input electrode for receiving a clock signal, and an output electrode for outputting a k-th gate signal, a second output transistor including a control electrode connected to the first node, an input electrode for receiving the clock signal, and an output electrode for outputting a k-th carry signal, a pull-down unit connected to a discharge node to pull down the output electrode of the first output transistor in response to a signal of the discharge node, and a discharge unit configured to output a (k?1)-th carry signal output from a (k?1)-th stage to the discharge node in response to a (k+1)-th carry signal output from a (k+1)-th stage.

Abstract: The present invention discloses methods of adjusting display device driving voltage and a display device, which are used for improving pressing unevenness (Trace Mura) of the display device caused by pressing or paddling. The method comprises: comparing the driving voltage of a display device with a driving voltage threshold; and if the driving voltage is larger than the driving voltage threshold, adjusting the driving voltage to make the adjusted driving voltage be smaller than or equal to the driving voltage threshold.

Abstract: A liquid crystal display apparatus includes a backlight configured to emit red light, green light, and blue light for forming an image, a liquid crystal panel including a plurality of pixels through which light components supplied by the backlight respectively pass, configured to control transmittances of the plurality of pixels to form an image, and a backlight controller configured to control respective intensities of the red light, the green light, and the blue light emitted by the backlight. The backlight controller is configured to compensate for a black color coordinate value generated with respect to a predetermined color by controlling the backlight such that a second red light intensity and a second green light intensity are larger than a first red light intensity and a first green light intensity and a second blue light intensity are smaller than a first blue light intensity. A black color coordinate value may be made correspond to a white color coordinate value.

Abstract: The present disclosure discloses a driving circuit for electrophoretic display, including a data line driving integrated circuit and a gate line driving integrated circuit, characterized in that the output terminal of each data line in the data line driving integrated circuit is configured with a modulation unit including a thermosensitive element, and the modulation unit adjusts the pulse width of the voltage signal outputted at the output terminal of the data line according to change of temperature to realize temperature compensation for the dielectric characteristic of the electrophoretic film of the electrophoretic display. The present disclosure also discloses an implementation method of the driving circuit and an electrophoretic display device. According to the present disclosure, the workload of the early stage experiment process of the product design can be saved, the production efficiency of the products can be improved, and the storage space of the chip can also be saved.

Abstract: A safety protection arrangement is provided for a lighting arrangement. An electrical parameter is measured with the driving of the lighting arrangement with particular driving settings and it is compared with an estimated expected value of the electrical parameter so that a safety warning signal or a shutdown can be provided in the event of a detected system failure.

Abstract: A drive circuit has a ferroelectric liquid crystal panel that operates at a given switching angle and response speed, a sensor that measures temperature, a drive circuit that supplies driving voltage to the ferroelectric liquid crystal panel, a waveform generation circuit that supplies a waveform signal to the drive circuit, and a control circuit that controls the waveform generation circuit; and in a first frame of the driving voltage, outputs during a first interval, a first voltage that is positive and outputs during a second interval that is longer than the first interval, a second voltage that is positive, and in a second frame, outputs during the first interval, the first voltage that is negative and outputs during the second interval that is longer than the first interval, the second voltage that is negative. The control circuit varies the first voltage and the second voltage according to the measured temperature.

Abstract: Described herein are technologies related to a method of initializing and configuring a display pipeline for a graphic support in a pre-operating system (pre-OS) environment.

Abstract: The present disclosure discloses a driving apparatus of a display panel and a display apparatus. A temperature detection module for detecting a temperature of the switching power supply is provided, so that when the temperature of the switching power supply is larger than or equal to a preset temperature value, the temperature detection module may feed back to the clock controller a first control signal. The clock controller may switch a polarity inversion mode of displaying an image on the display panel according to the received first control signal, i.e., switching the polarity inversion mode from the first polarity inversion mode with a large power consumption into a second polarity inversion mode with a small power consumption, thereby reducing the power consumption of the switching power supply and thus reducing the temperature of the switching power supply.

Abstract: Provided is a display device, including: a plurality of pixels; a scan driver connected to a plurality of scanning lines connected to the plurality of pixels; and a gate signal generator configured to determine a level of a gate-on voltage according to ambient temperature and to supply the gate-on voltage to the scan driver, wherein the gate signal generator is further configured to apply a hysteresis characteristic to a thermistor voltage to vary according to the ambient temperature.

Abstract: Disclosed are a voltage adjustment circuit for a common electrode and a display apparatus, which are capable of improving a sensitivity and a precision in an adjustment of a voltage of the common electrode. The voltage adjustment circuit for the common electrode includes a first fixed resistor, a second fixed resistor and a first adjustable resistor and the voltage adjustment circuit for the common electrode further includes an adjustment module, which is connected to an output terminal of the voltage adjustment circuit for the common electrode and an adjustable terminal of the first adjustable resistor, and is configured to cooperate with the first adjustable resistor to adjust a resistance of the voltage adjustment circuit for the common electrode in order to adjust the output voltage of the common electrode.

Abstract: An improved Liquid Crystal Display (LCD) heating system is provided. Resistor meshes, in particular VCOM resistor heating meshes, in the pixel array improve capacity of the display heater (heating system) so that the display is heated faster from low temperatures. The resistor mesh design provides much lower resistance from one point in the pixel array to an edge than pixel-to-pixel horizontal VCOM resistance, thus reducing horizontal crosstalk. Further, the approach permits the display to be active during the warm-up process.

Abstract: An electro-optic display includes an electro-optic medium, a pixel electrode for applying an electric field to the medium and a column electrode associated with the pixel electrode. To reduce power consumption, when it is necessary to change the voltage on the column electrode from a first value to a second value to change the optical state of the electro-optic medium, the column electrode voltage is first changed to a third value intermediate the first and second values to permit charge to flow to or from the column electrode, and thereafter the column electrode voltage is changed from the third voltage to the second voltage.

Abstract: The performance of an electro-optic display, for example, a bistable electro-optic display, can be improved by modifying the frame rate of a base waveform used to drive a transition between gray states. Such modifications permit fine control of gray levels with reduced artifacts. The described methods additionally require less memory to store all of the waveforms needed to achieve good performance of an electro-optic display over a range of temperatures.

Abstract: A signal processing device of a liquid crystal apparatus detects a boundary between a first pixel to which a first voltage lower than a first reference voltage is applied and a second pixel to which a second voltage higher than a second reference voltage is applied on the basis of a signal for controlling a voltage applied to pixels, corrects a signal correlated with M pixels including the first pixel to a third voltage which is higher than the first voltage and lower than the second voltage, outputs the third voltage as an applied voltage to the M pixels in a first period, outputs the first voltage as an applied voltage to the M pixels in a second period, and outputs the third voltage as an applied voltage to the M pixels in a third period.

Abstract: An ink jet recorder includes a support unit configured to support a recording medium, and a mobile unit including a plurality of containers containing inks of identical composition and a head configured to eject the ink supplied from any one of the plurality of containers. The ink jet recorder is configured to record an image on the recording medium in such a manner that the head performs main scanning by ejecting the ink while changing positions in a first direction, and the mobile unit performs sub-scanning by moving in a second direction intersecting with the first direction.

Abstract: An array substrate includes a substrate, a plurality of gate lines and a plurality of data lines intersecting each other and being insulating from each other, and a plurality of pixel units arranged in an array and surrounded by the intersecting gate lines and data lines. The array substrate also includes at least one temperature measuring unit and at least one gate signal start control line. The temperature measuring unit includes at least one thin film transistor. The array substrate further includes a signal input line, a signal output line, and resistor is arranged on the signal input line. The temperature measuring unit includes a first terminal electrically connected with the signal input line and a second terminal electrically connected with the signal output line.

Abstract: A light source device includes a light source module having a light-emitting block, an image analysis part, a duty ratio calculation part, a duty ratio determination part and a signal generation part. The image analysis part extracts representative luminance data of the light-emitting block based on pixel data. The duty ratio calculation part calculates duty ratio data of the light-emitting block based on the representative luminance data. The duty ratio determination part generates determined duty ratio data of the light-emitting block based on the duty ratio data from a first period, and the signal generation part generates a driving signal having a duty ratio corresponding to the determined duty ratio data to drive the light-emitting block.

Abstract: An image projection device includes: a centrifugal fan that sends air circulating through a casing to a light source; a heat generator that generates heat with supply of power and that is provided in the vicinity of an ejection port of the centrifugal fan; a temperature sensor that is provided to be adjacent to the heat generator; and a controller that monitors lowering of the velocity of the air, which is sent from the centrifugal fan, on the basis of the value of a temperature measured by the temperature sensor.

Abstract: A display device includes a plurality of display pixels, a plurality of data lines that are connected to the display pixels, and a plurality of sensing lines that are connected to the display pixels. Each display pixel includes a driving transistor comprising a first terminal, a second terminal, and a third terminal, a capacitor connected to the first terminal of the driving transistor, a first switching transistor connected to the data line and the first terminal of the driving transistor, a light-emitting element connected to the third terminal of the driving transistor configured to emit light, a second switching transistor connected between the sensing line and the light-emitting element, and a third switching transistor connected between the third terminal of the driving transistor and the light-emitting element.

Abstract: A liquid crystal display device includes: a liquid crystal display unit that displays, for each of frames, an image based on an input image signal; a drive unit that applies a voltage based on the input image signal to pixels of the liquid crystal display unit; and a control unit that controls an amplitude of the voltage applied to the pixels. The drive unit applies, in one of the frames, a voltage of the same polarity to the pixels connected to one of the source signal lines. The control unit includes: a temperature-information acquiring unit that acquires temperature information of the drive unit; and a filter unit that acquires high-frequency and low-frequency components of the input image signal in a substantial extending direction of the source signal lines. The control unit controls the amplitude of the applied voltage using the temperature information and an output value of the high-frequency component.

Abstract: A liquid crystal display panel includes: a liquid crystal layer including a liquid crystal material with positive dielectric constant anisotropy; a vertical alignment film being in contact with the liquid crystal layer; a first substrate and a second substrate disposed to face each other with the liquid crystal layer in between; and an electrode disposed on a surface of one or both of the first substrate and the second substrate and generating, in the liquid crystal layer, an electric field in a direction orthogonal to or intersecting with a normal to the first substrate.

Abstract: A micon unit (11) performs, along at least one direction within the plane of planar light, brightness correction processing for adjusting brightness distribution of the planar light on light source color video signals (RSd, Gsd and BSd) so as to change them into light source color video signals (RSd?, GSd? and BSd?), and the micon unit (11) further calculates the total light emission power of all LEDs (52) based on the light source color video signals (RSd?, GSd? and BSd?), and performs, when the total light emission power exceeds an allowable light emission power, light emission power correction processing on the light source color video signals (RSd?, GSd? and BSd?).

Abstract: The embodiments of the present invention provide a color control method and communication apparatus, the color control method includes: acquiring color temperature information of ambient light; calculating a suitable color parameter based on the color temperature information; adjusting display of the communication apparatus according to the suitable color parameter. Through the embodiments of the present invention, the quality of display image can be improved to a higher degree. Furthermore, the communication apparatus can change WB of display dynamically and can provide a way to optimize color to ambient light condition automatically.

Abstract: A method of compensating image data, the method includes generating a compensation data of an image data in accordance with a temperature value by using a compensation data of a previous frame and a compensation data generated through a look-up table which is mapped with corresponding to a compensation data of a previous frame and a set temperature value which is smaller than and closest to the temperature value or which is greater than and closest to the temperature value among set temperature values.

Abstract: A liquid crystal display device which includes a plurality of OCB liquid crystal pixels arrayed substantially in a matrix, and a driver circuit which cyclically writes a non-video signal and a video signal as a pixel voltage in each of the liquid crystal pixels. The liquid crystal display device further includes a control circuit which sets a first period and a second period different in length from the first period such that a total time length of the first period and the second period does not exceed one frame period, and controls the driver circuit to execute write of the non-video signal for the liquid crystal pixels in the first period and to execute write of the video signal for the liquid crystal pixels PX in the second period.

Abstract: A display apparatus is provided which includes a display panel; a gate driver configured to drive a plurality of gate lines, a data driver configured to drive a plurality of data lines, a level shifter configured to generate a gate on voltage corresponding to an atmospheric temperature and to generate a gate clock signal, the gate on voltage becoming higher depending on a decrease in an atmospheric temperature, and a timing controller configured to control the gate driver and the data driver and to generate agate pulse signal having a pulse width corresponding to a voltage level of the gate on voltage.

Abstract: A display device including a voltage generator is disclosed. The voltage generator includes an analog driving voltage generator to convert a source voltage from an external source to an analog driving voltage and to output the analog driving voltage through an output terminal, a capacitor connected between the output terminal and a ground voltage node, and a discharge circuit connected between the output terminal and the ground voltage node to discharge a current at the output terminal in response to a blank synchronization signal.

Abstract: A source driver and a method for determining polarity of pixel voltage thereof are provided. The source driver includes a data register unit, a plurality of data groups and a plurality of polarity determining units. The data register unit receives an image data signal and provides a plurality of display data. The data groups have at least two data channels respectively. The data channels are coupled to the data register unit to receive the corresponding display data and provide a plurality of pixel voltages. The polarity determining units are respectively coupled to the data channels corresponding to different data groups, and each of the polarity determining units determines whether to invert polarities of a part of the pixel voltages provided by the coupled data channels according to the received display data of the coupled data channels and previous display data corresponding to the received display data.

Abstract: A process transmitter includes at least one sensor which monitors a process variable, and analog-to-digital (A/D) converter circuitry coupled to the at least one sensor and configured to provide process variable data indicative of process variable values. A digital signal processor (DSP) is coupled to the A/D converter circuitry to receive the process variable data. The DSP comprises a co-processor configured to receive and perform calculations on the process variable data from the A/D converter circuitry to generate output data. Communications circuitry of the process transmitter is configured either to control communication over loop wiring which can be coupled to the process transmitter, or to control wireless communications with the process transmitter. A microprocessor, separate from the co-processor of the DSP, is coupled between the co-processor and the communications circuitry to control movement of the output data from the DSP to the communications circuitry.

Abstract: An image rewriting process includes a first pulse application process for using a driving pulse signal with the pulse width of a first electric potential being a first width; a driving stop process for stopping generation of an electric field between pixel electrodes and a common electrode, performed after the first pulse application process; and a second pulse application process for using the driving pulse signal with the pulse width of the first electric potential being a second width, performed after the driving stop process.

Abstract: A device and method for testing a display panel are disclosed. The display panel includes a plurality of pixels arranged in a matrix. Each of the pixels is controlled by a charging gate line and a sharing gate line. The testing circuit includes a first, second, third data testing pad electrically coupling a plurality of red, green, and blue sub-pixels respectively, and k gate testing pad. The sharing gate line of m-th sub-pixel row electrically connects to the charging gate line of (m+2n)-th sub-pixel row, wherein m is a positive integer, and n is the positive integer not less than 2. A row number of the sub-pixel row is divided by k to obtain a remainder q. The q-th gate testing pad electrically connects to the charging gate lines coupled with the sub-pixel row, and k and q are positive integers. And 2n is not divisible by k.

Abstract: System and method for video processing. At least one overdrive (OD) look-up table (LUT) is provided, where the at least one OD LUT is dependent on input video levels and at least one parameter indicative of at least one attribute of the system or a user of the system. Video levels for a plurality of pixels for an image are received, as well as the at least one parameter. Overdriven video levels are generated via the at least one OD LUT based on the video levels and the at least one parameter. The overdriven video levels are provided to a display device for display of the image. The reception of video levels and at least one parameter, the generation of overdriven video levels, and the provision of overdriven video levels, may be repeated one or more times in an iterative manner to display a sequence of images.

Abstract: Provided is a cup to which a transparent display is applied, the cup including a body comprising a display unit capable of showing contents in the body or displaying content; and a support being attached to or detached from the body, generating a control signal so as to control the content displayed on the display unit, and transmitting the control signal to the body.

Abstract: The present invention relates to an output voltage stabilization circuit. Specifically, the present invention relates to an output voltage stabilization circuit of a display device driving circuit, which generates a reference current dependent on a high source voltage using a current source independent of a magnitude of the high source voltage, generates a reference current dependent on a low source voltage using a current source independent of a magnitude of the low source voltage, and then generates a control signal by comparing the magnitudes to each other, whereby the output voltage stabilization circuit may stabilize an output voltage regardless of an order in which the low source voltage and the high source voltage are turned off in a circuit using both the low source voltage and the high source voltage.

Abstract: Examples of the present invention disclose system and method timing adjustment of a backlight module for a display. According to one example, a temperature of the display is monitored and a response time associated with the display is determined based on the temperature. Furthermore, a power-on timing and/or a power-off timing of the backlight module is adjusted based on the determined response time and the monitored temperature.

Abstract: A liquid crystal display includes a pixel, a memory configured to store a plurality of look-up tables, an image signal modification unit configured to obtain a modified look-up table based on a first look-up table and a second look-up table among the plurality of look-up tables and modify an input image signal based on the modified look-up table to generate a modified image signal, and a data driver configured to convert the modified image signal generated by the image signal modification unit into a data voltage and to supply the data voltage to the pixel. The liquid crystal display includes a plurality of regions. The liquid crystal display is configured to maintain temperature information of the plurality of regions, and the image signal modification unit is configured to modify the input image signal based on the temperature information.

Abstract: An LCD device (1) includes a liquid crystal display panel (2) and a liquid crystal driving section (4) for driving the liquid crystal display panel (2) from a region with a lower temperature to a region with a higher temperature in in-screen temperature distribution of the liquid crystal display panel (2) in operation. This configuration allows a scan direction (6) in which the liquid crystal display panel (2) is driven to correspond to temperature distribution direction (8) from a portion with a lower temperature to a portion with a higher temperature. As a result, image quality of images to be displayed by the general-purpose liquid crystal display panel (2) is improved.

Abstract: A control circuit for a display device includes a shift register circuit which includes at least one transistor and outputs a gate signal in response to at least one voltage signal, a temperature information acquisition unit configured to acquire temperature information at the control circuit for a display device, and a voltage switching unit configured to switch a voltage of the at least one voltage signal based on the acquired temperature information.