Abstract: Methods of compensating for common unwanted signals present in pixel data measurements of a pixel circuit in a display having a plurality of pixel circuits each including a storage device, a drive transistor, and a light emitting device. First pixel data is measured from a first pixel circuit through a monitor line. Second pixel data from the first pixel circuit or a second pixel circuit is measured through the monitor line or another monitor line. The first measured pixel data or the second measured pixel data or both are used to clean the other of the first measured pixel data or the second measured pixel data of common unwanted signals to produce cleaned data for parameter extraction from the first pixel and/or second pixel.

Abstract: The present disclosure provides a display substrate and a display device, wherein the positional relationship between the input signal lines and the first internal circuit is changed by disposing the first internal circuit between any two adjacent input signal lines, such that the input signal lines that are all arranged on one side of the first internal circuit before are distributed on two sides of the first internal circuit.

Abstract: Disclosed are a display device and a method for repairing and detecting a thin film transistor of the display device. The display device includes a plurality of thin film transistors, a gate line, a data line, and a testing circuit. The testing circuit includes a first detection pad, a second detection pad, a third detection pad, a first detection metal wire, and a second detection metal wire. The first detection metal wire is connected to the second detection pad. The second detection metal wire has a first branch, a detection metal pad, and a second branch. The first branch connects the first detection pad and the detection metal pad. The second branch connects the third detection pad and the detection metal pad. The detection metal pad overlaps with the first detection metal wire in a vertical direction. The first detection metal wire has a width same as that of the gate line, and the detection metal pad has a width same as that of the data line.

Abstract: The present disclosure enables sensing of a touch input at one or more edges of a touch enabled device while preventing touch drive signals for driving pixels of a touch panel of the device to be grounded. One aspect of the present disclosure provides a display device including a first substrate and a second substrate; a plurality of touch electrodes between the first substrate and the second substrate; a ground wire coupled to a portion of the first substrate via a resistor; and a conductive layer coupled to the ground wire via a conductive member.

Abstract: A proximity-detection method, a non-transitory computer readable medium and an electronic device are disclosed. The proximity-detection method is applied to the electronic device. The electronic device may include a display screen and an infrared-light proximity sensor covered by the display screen and configured to detect whether an object is proximity to the electronic device, the display screen has a capability of allowing infrared lights to pass through. The proximity-detection method may include setting an operation timing of the display screen as a target timing when the infrared-light proximity sensor is enabled, wherein the target timing comprises a target duration and the display screen is controlled to emit no lights during the target timing; controlling the infrared-light proximity sensor to emit the infrared lights during the target duration; and performing proximity detection based on the infrared lights.

Abstract: The present disclosure provides a display apparatus and a manufacturing method thereof. The display apparatus includes a silicon substrate, a plurality of metal data interfaces disposed on the silicon substrate, and a plurality of conductive patterns covering upper surfaces of the metal data interfaces respectively. The plurality of the conductive patterns is formed by enabling a semiconductor material to be conductive and the plurality of conductive patterns are not contacted with each other.

Abstract: A micro light emitting diode display panel including a plurality of pixels and a control element is provided. One of the pixels include a first sub-pixel. The first sub-pixel includes two micro light emitting diodes having different light wavelengths and controlled independently. The control element controls driving currents to the two micro light emitting diodes according to a gray level of the first sub-pixel, wherein a ratio of the driving current of the micro light emitting diode with larger light wavelength to the driving current of the micro light emitting diode with smaller light wavelength increases as the gray level of the first sub-pixel increases. A driving method of the micro light emitting diode display panel is also provided.

Abstract: Disclosed is a display driver integrated circuit which includes a first booster that generates a first boosting voltage by boosting at least one of first and second power supply voltages, a second booster that generates the first boosting voltage or a second boosting voltage by boosting at least one of the first and second power supply voltages, a first regulator that generates a first output voltage based on at least one of the first boosting voltages generated by the first and second boosters, and a second regulator that generates a second output voltage based on the second boosting voltage.

Abstract: A transparent display panel and a transparent display device including the same, including a plurality of data lines, a plurality of gate lines, and a plurality of pixel regions disposed in a matrix. The pixel region is configured by a plurality of sub pixels and includes transmission areas, circuit areas, and a plurality of emission areas which overlap with a part of the transmission areas and the circuit areas.

Abstract: An active-matrix display device includes pixels arranged in a matrix, and each of the pixels includes subpixels that are arranged along an X direction and emit light of mutually different colors. Each of the subpixels includes a TFT element provided on a TFT substrate and an organic EL element provided on the TFT substrate. The organic EL element has an opening which is a region from which emitted light exits, and the TFT substrate includes a first layer and a second layer. When same-colored subpixels of two of the pixels adjacent in the X direction are seen in a plan view, the first layer has a portion arranged in line symmetry between the same-colored subpixels and the second layer is disposed at an identical position in the openings of the same-colored subpixels.

Abstract: Provided is a display device, including: a plurality of gate lines extending in a first direction; a plurality of source lines extending in a second direction; a gate driver configured to output a gate signal; and a plurality of gate lead-out lines extending in the second direction and being configured to transmit the gate signal to the plurality of gate lines, in which each of the plurality of gate lines is electrically connected to at least one of the plurality of gate lead-out lines, and at least one of the plurality of gate lines is electrically connected to at least two of the plurality of gate lead-out lines.

Abstract: A display panel detection method and a display panel detection device, the detection method comprising the following steps: storing an image used for detection in a source driver circuit board of a display panel; electrically connecting a power board generating a power signal directly to the source driver circuit board; transmitting a power signal and a clock signal to the source driver circuit board, the clock signal being directly generated by a source driver chip of the source driver circuit board; connecting a data transmission port of the display panel to a serial interface of a computer system, a detection program for comparing a sample image and an image being configured in the computer system; and comparing the pixel consistency of the image and the sample image so as to produce a comparison result.

Abstract: A LED sensing system and a display panel sensing system are disclosed. The LED sensing system comprises LEDs and a driver. The LEDs are arranged in a LED array, and the driver is disposed on a central portion of the LED array and electrically connected to the LEDs respectively. The driver can receive an activation maintenance signal, and receive an input address, and turn on one of the LEDs corresponding to the input address, so as to obtain a magnitude of a voltage of the LED corresponding to the input address for determining performance of the LED and a yield rate of the LED array.

Abstract: A display has an array of light emitting elements. For a given frame of a series of frames that present images on the display at a refresh rate of the display, the light emitting elements may be driven by loading individual subsets of the light emitting elements in sequence with light output data, and by illuminating the individual subsets of the light emitting elements in the sequence and in accordance with the light output data, wherein an illumination time period is within a range of about 2% to 80% of a frame time of the frame, the frame time derivable from the refresh rate. This “rolling burst illumination” technique is characterized by the relatively short illumination time period (e.g., as compared to the frame time), and it can stabilize a scene (or mitigate unwanted visual artifacts) for a viewing user during head motion, as well as optimize display bandwidth utilization.

Abstract: A flexible substrate, a manufacturing method thereof, a flexible display substrate and a manufacturing method thereof are provided. The flexible substrate includes a first organic thin film, an inorganic thin film on the first organic thin film, a barrier structure on the inorganic thin film and at an inner side of a periphery of the inorganic thin film, and a second organic thin film in a region defined by the barrier structure, wherein an orthographic projection of the second organic thin film onto the first organic thin film is located at an inner side of the periphery of the first organic thin film.

Abstract: An isolated power supply circuit has a first reference ground, a second reference ground, a power source, a first receiving circuit, a second receiving circuit, a first inverter circuit, a second inverter circuit and an isolated conversion circuit. The first reference ground and the second reference ground are isolated from each other. The first receiving circuit is coupled to the first reference ground. The second receiving circuit is coupled to the second reference ground. The power source provides a first power signal for the first receiving circuit directly. The first inverter circuit and the second inverter circuit receive the first power signal and produce a first inverter signal and a second inverter signal. And the isolated conversion circuit outputs a second power signal to the second receiving circuit based on the first inverter signal and the second inverter signal.

Abstract: An organic light emitting diode display with improved aperture ratio includes: a substrate; first and second pixels disposed in a first row of the substrate and third and fourth pixels disposed in a second row adjacent to the first row and respectively disposed in the same columns as the first and second pixels; a scan line and a previous scan line applying a scan signal and a previous scan signal, respectively, to the pixel units; a data line and a driving voltage line applying a data signal and a driving voltage, respectively, to the pixel units; and a common initialization voltage line disposed between the first and second pixels and between the third and fourth pixels, commonly connected to the pixel units, and applying an initialization voltage. One common initialization contact hole connected to all pixels units and one initialization voltage line connected to the common initialization contact hole are surrounded by the pixel units.

Abstract: There is provided a display device including: a light emitting element; and a drive transistor (DRTr) that includes a coupling section (W1) and a plurality of channel sections (CH) coupled in series through the coupling section (W1), wherein the drive transistor (DRTr) is configured to supply a drive current to the light emitting element.

Abstract: There is provided a display device including: a light emitting element; and a drive transistor (DRTr) that includes a coupling section (W1) and a plurality of channel sections (CH) coupled in series through the coupling section (W1), wherein the drive transistor (DRTr) is configured to supply a drive current to the light emitting element.

Abstract: What is disclosed are display systems and methods of compensation of images produced by active matrix light emitting diode device (AMOLED) and other emissive displays. Anomalies in luminance produced by pixel circuits due to hysteresis effects are corrected through in-pixel compensation and resetting of the driving transistor.

Abstract: An electronic device having a biometric sensor is provided. The electronic device includes a first region including a plurality of first pixels arranged in a first manner and a second region including a plurality of second pixels arranged in a second manner, a biometric sensor disposed in at least a part of the first region, and a processor electrically coupled with the display and the biometric sensor, and configured to receive a user input through the first region, and control the biometric sensor to detect biometric information corresponding to the user input.

Abstract: An organic light-emitting display apparatus including: a first electrode of a first group; a first organic functional layer covering the first electrode of the first group and including a first emission layer; a second electrode of the first group covering the first organic functional layer; a first electrode of a second group separate from the first electrode of the first group; a second organic functional layer separate from the first organic functional layer, covering the first electrode of the second group, having a larger area than the first organic functional layer, and including a second emission layer; a second electrode of the second group covering the second organic functional layer; and a common electrode integrally and commonly disposed on the second electrode of the first group and the second electrode of the second group.

Abstract: An organic light emitting display is capable of reducing variation in power transmitted to pixels to reduce or prevent non-uniformity of brightness from being generated. The organic light emitting display includes a pixel including a red sub pixel, a green sub pixel, and a blue sub pixel and first pixel power source lines for supplying a first pixel power from a first pixel power source to the red sub pixel, the green sub pixel, and the blue sub pixel, wherein the first pixel power source lines coupled to at least two different color sub pixels of the red, green and blue sub pixels have different widths. The first pixel power source lines have widths that may correspond to a voltage drop of the first pixel power source or may correspond to deterioration of the respective sub pixels to which they are coupled.

Abstract: Herein disclosed a display apparatus including: a pixel array having a matrix of pixel circuits each including respective electrooptical elements for determining a display brightness level and respective drive circuits for driving the electrooptical elements; wherein adjacent two of the pixel circuits are paired with each other, and each of the drive circuits of the adjacent two pixel circuits includes at least one transistor having a low-concentration source/drain region or an offset region of an offset gate structure, the electrooptical elements and the drive circuits of the adjacent two pixel circuits being laid out such that a line interconnecting a drain region and a source region of the at least one transistor extends parallel to a direction of pixel columns of the pixel circuits of the pixel array.

Abstract: A display device includes (a) a non-volatile memory containing corrective data for compensating input image data received; (b) display hardware receiving control and data signals for displaying an image; and (c) an image processing circuit that retrieves the corrective data from the non-volatile memory to generate the data signals for the display hardware, after applying the corrective data to each color component of each pixel in the input image data.

Abstract: A book includes a book cover, pages operably attached to the book cover, and a sheet of lightpaper pivotably attached to an edge of the book cover. The lightpaper sheet, when lit and inserted behind a page may provide light through the page for a user to read or write on the page even in a dark room or in a room without otherwise appropriate lighting.

Abstract: A system reads a desired circuit parameter from a pixel circuit that includes a light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input, and a storage device to store a programming signal. One embodiment of the extraction system turns off the drive device and supplies a predetermined voltage from an external source to the light emitting device, discharges the light emitting device until the light emitting device turns off, and then reads the voltage on the light emitting device while that device is turned off. The voltages on the light emitting devices in a plurality of pixel circuits may be read via the same external line, at different times. In-pixel, charge-based compensation schemes are also discussed, which can be used with the external parameter extraction implementations.

Abstract: A light emitting element display device with a narrow frame and high light emission efficiency is provided even when high definition is achieved. The light emitting element display device includes: a light emitting element which emits light at each of a plurality of subpixels forming one pixel; a drive transistor in which one of a source and a drain is connected to an anode of the light emitting element; and an output control circuit which selectively sets the other of the source and the drain of the drive transistor into one of a state of being connected to a power-supply voltage, a state of being connected to a reset voltage that is a lower voltage than the power-supply voltage, and a high-impedance state of not being connected to any of these voltages.

Abstract: An electroluminescent display and a method of sensing electrical characteristics of the electroluminescent display are disclosed. The electroluminescent display includes a display panel including a plurality of pixels, a plurality of gate lines, and a plurality of data lines and a driver integrated circuit connected to the data line through a channel terminal. The driver integrated circuit includes a data voltage generator configured to generate a data voltage to be supplied to the pixel, a first switch connected between the channel terminal and the data voltage generator, a sensor configured to sense electrical characteristics of the pixel, and a second switch connected between the channel terminal and the sensor.

Abstract: Larger displays formed by multiple sub-displays, e.g., integrated light-emitting diode (LED) pixel array micro-displays, and methods of operating and making the larger displays are provided. An example larger display includes a plurality of sub-displays arranged on a display substrate. Each sub-display includes an array of light-emitting pixels formed on a first side of a substrate, each pixel including at least one light-emitting element, integrated circuits formed on a second side of the substrate, conductive electrodes penetrating through the substrate and coupling the array of light-emitting pixels to the integrated circuits, and a conductive grid array package, e.g., a ball grid array (BGA) package, formed on the second side of the substrate and conductively coupled to the integrated circuits. Interconnects are conductively coupled to the conductive grid array packages of the plurality of sub-displays to form the larger display.

Abstract: A signal transmitter of the invention is coupled to a plurality of signal receivers by a bus, and is configured to transmit display data through the bus for displaying a line. The signal transmitter includes a first data sequence and a second data sequence. The first data sequence has an electronic characteristic of a first value and is transmitted to a first signal receiver of the signal receivers, and the second data sequence has the electronic characteristic of a second value and is transmitted to a second signal receiver of the signal receivers. Wherein, a first signal transmission path from the signal transmitter to the first signal receiver is shorter than a second signal transmission path from the signal transmitter to the second signal receiver, and the first value is larger than the second value.

Abstract: A system is provided for controlling an array of pixels in a display in which each pixel includes a light-emitting device and a reference voltage source that controllably supplies a reference voltage having a magnitude that turns off the light-emitting device. While the reference voltage is coupled to a drive transistor, a control voltage is supplied to the gate of the drive transistor to cause the drive transistor to transfer to a node common to the drive transistor and the light-emitting device, a voltage that is a function of the threshold voltage and mobility of the drive transistor. During an emission cycle, the current conveyed through the light emitting device via the drive transistor is controlled by a voltage stored in the storage capacitor, which is a function of the threshold voltage and mobility of the drive transistor so that the current supplied to the light-emitting device remains stable.

Abstract: Provided are an OLED (Organic Light-Emitting Diode) display panel and a manufacturing method thereof. The OLED display panel comprises a plurality of scan lines (Sn), data lines (D1 and D2), and power lines (VDD), wherein the scan lines (Sn) and the data lines (D1 and D2) define a plurality of pixel groups arranged in a matrix; wherein each pixel group has two sub-pixels, two sub-pixels in a same pixel group connected to a same power line (VDD) and arranged in mirror symmetry with respect to the power line (VDD), and wherein the data lines (D1 and D2) connected to the two sub-pixels in the same pixel group are located on different structural layers. On one hand, the probability of occurrence of a short circuit between the data lines (D1 and D2) is effectively reduced, and crosstalk between the data lines (D1 and D2) is significantly eliminated.

Abstract: The embodiments of the application disclose a control device for a gate driving circuit, a display panel and a display device. The control device for a gate driving circuit provided in the embodiment comprises a level shifter and a control module electrically connected with an output of the level shifter. The control module is used for controlling an output signal of the level shifter to be a low level signal when each input clock signal for the level shifter is low.

Abstract: A pixel circuit performs a threshold voltage correcting function. A sampling transistor becomes conductive in response to a control signal supplied from a scan line and samples a video signal supplied from a signal line to a pixel capacitor during a horizontal scanning period. The pixel capacitor applies an input voltage to a gate of a drive transistor in response to the sampled video signal. The drive transistor supplies an output current in accordance with the input voltage to a light-emitting device. A threshold voltage correcting period is provided to be part of the horizontal scanning period, to detect the threshold voltage of the drive transistor, and to write the threshold voltage in the pixel capacitor.

Abstract: What is disclosed are systems and methods of compensation of images produced by active matrix light emitting diode device (AMOLED) and other emissive displays. Anomalies in bias currents produced by current biasing circuits for driving current biased voltage programmed pixels are corrected through calibration and compensation while re-using existing data or other lines that can be controlled individually to perform said calibration and compensation.

Abstract: An organic light emitting diode display device includes: a substrate; a scan line configured to transfer a scan signal; a data line and a driving voltage line configured to transfer a data voltage and a driving voltage, respectively; a switching transistor including a switching drain electrode configured to output the data voltage; a driving transistor including a driving gate electrode connected with the switching drain electrode; a storage capacitor including a first storage electrode connected with the driving gate electrode and a second storage electrode connected with the driving voltage line; and an organic light emitting diode connected with a driving drain electrode of the driving transistor. The storage capacitor includes: a connector in which an edge of the second storage electrode is offset from an edge of the first storage electrode in a direction toward the center of the second storage electrode, and a storage compensator facing the connector.

Abstract: A dimming circuit for an indicator switch has a control input, a dimming state and a non-dimming state. The dimming circuit is responsive to the presence of a backlight PWM signal at the control input of the dimming circuit to switch to the dimming state and responsive to the absence of the backlight PWM signal at the control input of the dimming circuit to switch to the non-dimming state. In the dimming state a high resistance of the dimming circuit is coupled in series with the indicator LED and a LED drive output of the function control module and in the non-dimming state a low resistance of the dimming circuit is coupled in series with the indicator LED and the LED drive output of the function control module. The high resistance has a resistance higher than the low resistance.

Abstract: The present invention provides a backlighting dimming circuit and a liquid crystal display. The backlighting dimming circuit includes an external dimmer module (200) that receives a pulse dimming signal (PWM) to control a current regulation tube (Q1) included in the external dimmer module (200) to conduct on or cut off so as to control an LED light bar (300) to conduct on or cut off. A constant current driving chip (100) needs only one first terminal pin (1) provided thereto and through comparison of a voltage level at the first terminal pin (1) with a preset protection voltage level built in the constant current driving chip (100), an operation of conducting on or cutting of the LED light bar (300) can be carried out so that the number of the terminal pins necessary for the constant current driving chip can be reduced and thus, a packaging size of the constant current driving chip is reduced and the efficiency of tuning and testing of the backlighting dimming circuit is increased.

Abstract: A pixel circuit, a driving method therefor, and a display device. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a storage capacitor, and a light-emitting device. The pixel circuit can avoid the influence of drifting of a threshold voltage on brightness uniformity and constancy of a display.

Abstract: An organic light emitting diode (OLED) display of the present inventive concept includes: pixels connected to scan lines, data lines, and control lines; a data driver for supplying a data signal to the pixels via the data lines; a scan driver for supplying a scan signal to the pixels via the scan lines; and a control driver for supplying a first control signal to the pixels via the control lines. The control driver feeds back the first control signal supplied to the pixels so as to compensate a ripple voltage included in the first control signal, and generates a compensated first control signal by using the fed-back first control signal.

Abstract: An organic light-emitting diode display may have thin-film transistor circuitry formed on a substrate. The display and substrate may have rounded corners. A pixel definition layer may be formed on the thin-film transistor circuitry. Openings in the pixel definition layer may be provided with emissive material overlapping respective anodes for organic light-emitting diodes. A cathode layer may cover the array of pixels. A ground power supply path may be used to distribute a ground voltage to the cathode layer. The ground power supply path may be formed from a metal layer that is shorted to the cathode layer using portions of a metal layer that forms anodes for the diodes, may be formed from a mesh shaped metal pattern, may have L-shaped path segments, may include laser-deposited metal on the cathode layer, and may have other structures that facilitate distribution of the ground power supply.

Abstract: A method of power control of a display system, the method including receiving dynamic metadata corresponding to input image data, determining a panel load level of the display system based on the dynamic metadata, and applying a first net power control (NPC) function to the display system during a first scene based on the panel load level.

Abstract: A display device may include a switching device, a gate line, a data line, a pixel electrode, and an auxiliary line. The switching device includes a first electrode, a second electrode, and a third electrode. The gate line is electrically connected to the first electrode. The data line crosses the gate line in a plan view of the display device and is electrically connected to the second electrode. The pixel electrode is electrically connected to the third electrode. The auxiliary line is electrically connected through the first gate line to the first electrode and crosses the gate line in the plan view of the display device.

Abstract: A display device including a light emitting element, a drive transistor connected to the light emitting element, a first switching element connected to the drive transistor and a main power supply line, a second switching element connected to the drive transistor and a reset power supply line, a third switching element connected to the drive transistor and a signal line, a fourth switching element connected to the third switching element and an initialization power supply line, and a capacitor element connected to the drive transistor and the third switching element, wherein two horizontal periods ON signal is supplied to a gate terminal of each of the second switching element, third switching element and fourth switching element respectively.

Abstract: A liquid crystal display apparatus including a gate driving circuit disposed on a liquid crystal display is provided. The apparatus further includes a data driving chip, disposed on the liquid crystal display panel, to apply data driving signals to data lines. The gate driving circuit includes a plurality of stages connected to one another in parallel. The odd-numbered stages of the stages each apply gate driving signals to odd-numbered gate lines of the gate lines, in response to a first clock signal and the even-numbered stages of the stages each apply the gate driving signals to even-numbered gate lines of the gate lines, in response to a second clock signal having an opposite phase from a phase of the first clock signal.

Abstract: An active matrix display wherein each cell comprises: two thin-film transistors (TFTs) connected in series, the first TFT having its drain connected to a high supply line and the second TFT having its source connected to a low supply line. Gates of the first and second TFTs are selectively connected to respective first and second data driver signals under the control of a scan line signal. A storage capacitance is connected to a node joining the first and second TFT. A driving TFT has a gate connected to the joining node and is connected to drive a light emitting device with a bias current. In one embodiment, the first and second TFTs are sized relative to one another and the first and second data driver signal voltages are related proportionally, so that the data driver signals and the bias current are related to one another by a function substantially independent of a threshold voltage of the driving TFT.

Abstract: Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate.

Abstract: The invention describes an LED lighting module (1) comprising input terminals (13hi, 13lo) for connecting to an input voltage (Uin); an LED load (10) realized to operate at an upper threshold voltage level (Vdim); and a regulation circuit (11, 12) realized to decrease LED current (ILED) through the LED load (10) when the input voltage (Uin) is greater than the upper threshold voltage level (Vdim). The invention further describes an LED lighting arrangement (4) and a method of driving an LED load (10).

Abstract: The invention provides an LED chip having an integrated electrostatic switch for electromechanical control of the LED. A suspended beam switch floats above a conductive control electrode, and by a charging of the electrode may be attracted downward to make connection between an LED structure and an external electrode. Components are mounted on a common substrate so that a fully integrated LED with MEMS switch is formed. Methods for producing the LED chip are further provided, in which production of the switching mechanism is fully integrated with the production of the LED structure.