Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

Abstract: The present disclosure discloses a pixel driving circuit and a display device, wherein the circuit includes: a data writing switch (T1), a first reset switch (T2), a second reset switch (T3), a driving transistor (T4), an organic light-emitting diode OLED, and a first storage capacitor (C1) and a second storage capacitor (C2). The embodiments of the present disclosure can compensate for the drift of driving the threshold voltage of the thin film transistor to improve the display quality.

Abstract: An electronic device includes a display having a reference array that includes a first pixel. The display also includes a first emission power supply coupled to the first pixel. The display further includes an active array having a second pixel. The display also includes a second emission power supply coupled to the second pixel.

Abstract: A system for driving a display that includes a plurality of pixel circuits arranged in an array, each of the pixel circuits including a light emitting device and a driving transistor for conveying a driving current through the light emitting device. Methods of measuring characteristics of circuit elements of pixels sharing a monitor line include the control of biasing to selectively turn off circuit elements or render their response known while measuring other circuit elements of interest.

Abstract: Disclosed is a method for driving a pixel circuit. The method includes steps of obtaining an actual threshold voltage and an actual current-to-voltage conversion factor of a driving thin film transistor as well as actual luminous efficiency of an organic light emitting diode in sequence; and calculating a compensation data signal inputted to a source of a switching thin film transistor based on the obtained actual threshold voltage and actual current-to-voltage conversion factor of the driving thin film transistor and the obtained actual luminous efficiency of the organic light emitting diode.

Abstract: Disclosed is a method for compensating a pixel driving circuit of an OLED display panel. In the compensation method, a driving transistor is enabled to operate stably in a saturation region for twice, and a threshold voltage of the driving transistor is calculated based on a collected charging voltage and charging time. A pixel driving circuit is compensated by establishing a threshold-voltage compensation table. The compensation method is easy to operate and can significantly improve a detecting speed of a threshold voltage. Moreover, an effect of a voltage-current conversion factor on detecting accuracy of a threshold voltage can be avoided.

Abstract: An organic light-emitting display (OLED) device includes an anode, an organic emitting layer on the anode, and a cathode on the organic emitting layer. The cathode is configured to transmit at least a part of light emitted from the organic emitting layer and is formed of an alloy having a first metal and an oxide of a second metal. The cathode contains an alloy of a metal and a metal oxide and has an increased thickness, such that the process margin for the cathode can be improved.

Abstract: Disclosed is an organic light emitting display having a mirror function. In an embodiment, a light-shielding reflective layer overlaps areas of the organic light emitting display except for emission areas provided with light emitting devices formed therein. The light-shielding reflective layer prevents light from entering channel regions of active layers and reflects external light, for example, when the organic light emitting device is not operated to display an image, and thus the organic light emitting display may stably implement a mirror function.

Abstract: A display device includes: a timing controller to provide data including a pre-emphasis value and an image data value; a gamma reference voltage supplier to selectively supply one of a first gamma reference voltage and a second gamma reference voltage different from the first gamma reference voltage; and a data driver to supply a pre-emphasis voltage, that is generated based on the pre-emphasis value and the first gamma reference voltage, to data lines during a first period of a horizontal period, and to supply a data voltage, that is generated based on the image data value and the second gamma reference voltage, to the data lines during a second period of the horizontal period. The timing controller is to control the gamma reference voltage supplier to supply the first gamma reference voltage during the first period and to supply the second gamma reference voltage during the second period.

Abstract: Example embodiments of the present disclosure provide a display device including: a plurality of pixels; a first scan gate line and a second scan gate line configured to transfer scan signals to a first pixel row of the pixels; a plurality of first gate bridges connected with the first scan gate line to transfer the scan signals to a plurality of first pixels at the first pixel row; a plurality of second gate bridges connected with the second scan gate line to transfer the scan signals to a plurality of second pixels at the first pixel row; a plurality of first data lines configured to supply a plurality of data voltages corresponding to the first pixels; and a plurality of second data lines configured to supply a plurality of data voltages corresponding to the second pixels, wherein two of the first data lines are positioned between two first pixels corresponding thereto, and two of the second data lines are positioned between two second pixels corresponding thereto.

Abstract: An embodiment provides an organic light emitting diode display including: a substrate; a scan line disposed on the substrate to transfer a scan signal; a data line disposed on the substrate to transfer a data signal; a driving voltage line disposed on the substrate to transfer a driving voltage; a switching transistor connected with the scan line and the data line; a driving transistor connected with the switching transistor; and an organic light emitting diode electrically connected to the driving transistor, wherein the driving transistor includes a gate electrode, a source electrode, a drain electrode, and a plurality of channels, and each of the channels includes a plurality of curved portions.

Abstract: Sub-pixel compensation is described. In at least some implementations, a computing device includes a plurality of sub-pixels within a pixel which may generate an alternating display to approximate the display of a single sub-pixel. In other implementations, a voltage is applied to sub-pixels of a color such that a voltage across a first sub-pixel is proportional to a voltage across one or more additional sub-pixels. In other implementations, a change in a voltage drop across a sub-pixel is detected, and the change is compensated for by altering a voltage of a second sub-pixel within the pixel.

Abstract: A pixel driving circuit and a driving method thereof, and a display device. The pixel driving circuit includes a light-emitting driving circuit, a light-emitting component and a gate-source voltage adjustment circuit. A control end, a first end and a second end of the light-emitting driving circuit are electrically connected with a first node, a second node and the light-emitting component respectively; the gate-source voltage adjustment circuit is electrically connected with at least one of the first node and the second node, the gate-source voltage adjustment circuit is also electrically connected with an adjustment voltage terminal, and the gate-source voltage adjustment circuit is configured to adjust at least one of a voltage of the first node and a voltage of the second node, so as to increase a modulus value of a voltage difference between the control end and the first end of the light-emitting driving circuit.

Abstract: A pixel circuit for a display device is operable in a compensation phase, a data programming phase, and an emission phase, whereby the one horizontal time is minimized while maintaining accurate compensation of the threshold voltage of the drive transistor. The pixel circuit includes: a storage capacitor having a first plate connected to a third terminal of the drive transistor that receives a voltage input, and a second plate connected to the gate of the drive transistor; and a programming capacitor having a first plate connected to second and third transistors, and a second plate of the programming capacitor is electrically connected to a data voltage input during the data programming phase, wherein the first plate of the programming capacitor is electrically connected to the second plate of the storage capacitor when the second transistor is in an on state.

Abstract: A pixel circuit, a method for driving the same, a display panel, and a display device are provided. The pixel circuit includes: a drive controlling sub-circuit, a data writing sub-circuit, a light-emission controlling sub-circuit, a first resetting sub-circuit, a second resetting sub-circuit, a charging sub-circuit, a capacitor sub-circuit, and a light-emitting element; and the respective sub-circuits cooperate in operation so that charges in the drive controlling sub-circuit in the pixel circuit can be reset, and driving current of the drive controlling sub-circuit to drive the light-emitting element to emit light can be made dependent upon the voltage of a data signal, and independent of threshold voltage of the drive controlling sub-circuit.

Abstract: A method and system for operating a pixel array having at least one pixel circuit is provided. The method includes repeating an operation cycle defining a frame period for a pixel circuit, including at each frame period, programming the pixel circuit, driving the pixel circuit, and relaxing a stress effect on the pixel circuit, prior to a next frame period. The system includes a pixel array including a plurality of pixel circuits and a plurality of lines for operation of the plurality of pixel circuits. Each of the pixel circuits includes a light emitting device, a storage capacitor, and a drive circuit connected to the light emitting device and the storage capacitor. The system includes a drive for operating the plurality of lines to repeat an operation cycle having a frame period so that each of the operation cycle comprises a programming cycle, a driving cycle and a relaxing cycle for relaxing a stress on a pixel circuit, prior to a next frame period.

Abstract: The present disclosure provides a pixel compensation circuit, a scan driving circuit and a display panel. The compensation circuit includes a first switch, its control terminal connecting to the first scanning signal, its first terminal connecting to the reference voltage, its second terminal connecting to the second terminal of the driving switch; a second switch, its control terminal connecting to the second scanning signal, its first terminal connecting to the data voltage, and its second terminal connecting to the control terminal of the driving switch and the second terminal of the first switch; a third switch, its control terminal connecting to the second scanning signal, its first terminal connecting to the voltage terminal, and its second terminal connecting to the first terminal of the driving switch, so as to eliminate the influence of the threshold voltage, improve panel display uniformity, brightness and luminous efficiency.

Abstract: A surface light source device which illuminates a transmission-type liquid crystal display unit from the back surface includes P×Q surface light source units with individually controlled light sources. Each of the light sources includes a plurality of light-emitting element units. Each of the light-emitting element units includes at least one red light-emitting element that emits red light, at least one green light-emitting element that emits green light, and at least one blue light-emitting element that emits blue light. The center of mass of a luminance profile based on each of a plurality of red light-emitting elements, a plurality of green light-emitting elements, and a plurality of blue light-emitting elements in each surface light source unit substantially coincides with the center of mass of the surface light source unit.

Abstract: According to an aspect, a display device includes: a first translucent substrate; a second translucent substrate facing the first translucent substrate; a liquid crystal layer including polymer dispersed liquid crystal sealed between the first and second translucent substrates; at least one light emitter facing at least one of side surfaces of the first and the second translucent substrates; and a display controller. The display controller includes: an external light analyzer setting, in accordance with a received signal of external light information, a second color gamut different from a first color gamut displayable when the external light is not present; and a signal adjuster converting in color a first pixel input signal into a second pixel input signal that reduces a color shift of a second reproduced color in the second color gamut from a first reproduced color in the first color gamut in accordance with the first pixel input signal.

Abstract: Provided are a multi zone backlight controlling method and a device thereof. The method includes: obtaining original grayscale values of pixels of the image; obtain a backlight control coefficient correction factor according to the original grayscale value; obtaining a first backlight control coefficient and a second backlight control coefficient based on the backlight control coefficient correction factor and the original grayscale values, and adjusting backlight brightness according to the first backlight control coefficient and the second backlight control coefficient, thereby reducing difference between the display image and the real image.

Abstract: A display apparatus including a display panel, a gate driving part and a data driving part. The display panel is configured to display an image, and includes a gate line and a data line. The gate driving part is configured to output a gate signal to the gate line. The data driving part is configured to output a data signal to the data line, and to change a transition time when the data signal transits from a low level to a high level, according to at least one of a change of an inversion method for driving the display panel, and a change of a frame frequency of the image.

Abstract: A display device includes a display panel including unit areas. Each of the unit areas includes pixels arranged in a matrix formation; and data lines (DLs) connected to the pixels. The display device is configured to: apply data voltages of a same polarity to first DLs positioned between adjacent pixel columns; and apply DVs of different polarities to second DLs positioned at respective sides of each pixel column. Each of the pixels is connected to one of the second DLs. A connection direction between the pixels and the DLs in each of a plurality of pixel rows is changed in a determined pixel column interval. Connection directions between the pixels and the DLs are opposite each other in odd-numbered pixel rows adjacent in a column direction. Connection directions between the pixels and the DLs are opposite each other in even-numbered pixel rows adjacent in the column direction.

Abstract: The present disclosure relates to a method of displaying an image on a low refresh rate mode and a display implementing the same, and the display in accordance with an exemplary aspect of the present disclosure includes a timing controller to set D display frame and S skip frame in N frame configuring a group of an unit on the low refresh rate mode and control a polarity change of the pixels in the skip frame according to a ratio of D and S.

Abstract: During a drive period, luminance momentarily decreases when the value ?(A?B) is positive and momentarily increases when the value ?(A?B) is negative. When the luminance increases during a pause period in accordance with the balance in time constant between an alignment film and a liquid crystal material that are included in a pixel forming portion, primary and secondary parasitic capacitances are adjusted so as to set the value ?(A?B) to be negative.

Abstract: A common voltage compensation unit and compensation method, a driving circuit and a display panel are disclosed. In the common voltage compensation unit provided by the disclosure, the first compensation module may be used for outputting a first common voltage to the common electrode line in the pixel charging period of time, and the second compensation module may be used for outputting a second common voltage to the common electrode line in the pixel non-charging period of time.

Abstract: To improve the appearance of a light distribution pattern. A liquid crystal element having a first substrate, a second substrate, and a liquid crystal layer, where the first substrate has a counter electrode, where the second substrate includes inter-pixel electrodes, wiring parts, an insulating layer provided above the inter-pixel electrodes and the wiring parts, and pixel electrodes provided above the insulating layer, where the pixel electrodes are arranged along a first direction and a second direction, where the inter-pixel electrodes are arranged to at least overlap with a gap between the two pixel electrodes adjacent to each other in the first direction among the pixel electrodes and are connected to one of the two pixel electrodes through a through hole provided in the insulating layer, and where the wiring parts are connected to one of the inter-pixel electrodes and are arranged on the lower layer side of the pixel electrodes.

Abstract: A semiconductor device with a small circuit area that consumes low power is provided. The semiconductor device includes a shift register, a sample-and-hold circuit, a first buffer circuit, and a second buffer circuit. The sample-and-hold circuit includes a first input terminal, a second input terminal, and an output terminal. An output terminal of the first buffer circuit is electrically connected to the first input terminal. The shift register is electrically connected to the second input terminal. An input terminal of the second buffer circuit is electrically connected to the output terminal of the sample-and-hold circuit. In the semiconductor device, the potential of an input analog signal is retained in the sample-and-hold circuit and the analog signal is output from an output terminal of the second buffer circuit.

Abstract: The present disclosure provides a scan-driving circuit and a display device. The scan-driving circuit includes a plurality of series-connecting scan-driving units including an input circuit generating a pull-up control signal and a pull-down control signal; a latch circuit pulling up or pulling down a pull-up control signal point; a processing circuit generating a current scan-driving signal, a cache circuit driving an output of a current scan-driving signal, and a reset circuit clearing the pull-up control signal point. Therefore, it improves driving flexibility and reduces driving power consumption of the display device, and is beneficial to narrow bezel design.

Abstract: A shift register unit and a driving method thereof, a gate driving circuit and a display panel are disclosed. In the shift register unit of the embodiments of the present disclosure, at least two transistors are configured to be coupled to a DC signal supplying terminal. The at least two transistors are controlled to be alternatively turned on by an inputting signal from the DC signal supplying terminal.

Abstract: The present disclosure provides a display substrate such that each pixel unit of the display substrate includes a switching circuit and a control circuit, and the switching circuit is connected to a corresponding gate line, a control circuit of a respective pixel unit, and a corresponding pixel electrode. The control circuit is configured to transmit a data signal on a corresponding data line to a switching circuit of the respective pixel unit under control of a corresponding control signal line, and n is an integer not less than 2. The present disclosure further provides a display device including the above display substrate and a driving method for the above display substrate.

Abstract: A differential amplifier circuit includes a differential input stage, a first current mirror, a second current mirror, a first current source circuit, and a second current source circuit. The first current source circuit has a first transistor of a first conductivity type with a control terminal supplied with a first bias voltage, and a second transistor of a second conductivity type with a control terminal supplied with a second bias voltage. An output amplifier circuit includes a third transistor of the first conductivity type and a fourth transistor of the second conductivity type. A control circuit has a fifth transistor of the first conductivity type with a first terminal connected to a connection point between the other end of the second current source circuit and the control terminal of the fourth transistor in the output amplifier circuit, with a second terminal connected to an output node of the second current mirror, and with a control terminal receiving the first bias voltage.

Abstract: Provided is an output amplifier including a differential unit which sends a current corresponding to a voltage difference between a gradation voltage and an amplified gradation voltage to a first current line; a current mirror unit which sends an amount of current corresponding to the current flowing through the first current line, to a second current line; and an output unit including a first and a second drive line, an output line through which the amplified gradation voltage is output, a first output transistor which sends a current based on a voltage of the first drive line, and a second output transistor which sends a current based on a voltage of the second drive line. The output unit includes a voltage regulation circuit which controls the voltage of the first drive line being higher than the voltage of the second drive line.

Abstract: A display device includes: a display panel comprising a display area configured to display an image, wherein the display area includes a measurement area including a plurality of sub-measurement areas, and each of the plurality of sub-measurement areas includes a plurality of pre-map areas; a data driver configured to provide data voltages to the display panel; a signal controller; and a common voltage generator configured to provide a common voltage to the display panel, wherein an afterimage reduction mode is driven to change a level of the common voltage provided by the common voltage generator when the determined pre-map areas are adjacent to each other.

Abstract: A display device includes a display panel, and a power management circuit including a switching regulator for supplying a power in a discontinuous conduction mode or in a continuous conduction mode, and a sensing circuit for sensing whether the switching regulator is operated in the discontinuous conduction mode, the switching regulator including a comparator for monitoring the supplied power, and an RS latch for receiving an output signal from the comparator, and the sensing circuit including a phase lock loop circuit for generating a first clock signal, a phase delay circuit for generating a second clock signal having a phase delayed from the first, and a determination circuit for outputting a first value when a pulse width of the output signal from the RS latch is small, and for outputting a second value when the pulse width of the output signal from the RS latch is not small.

Abstract: A technique for controlling release of data associated with an account is described. During this data-privacy management technique, a computer system provides at least a subset of data associated with an account to a third party based on a first consent (which may be received from a user of the account). This subset may have a first classification based on a taxonomy. Subsequently, the third party may notify the computer system that additional data has been derived from the data. In response, the computer system may determine a second classification of the additional data based on a taxonomy. If this second classification is other than a subset of the first classification, the computer system may request a second consent (for example, from the user).

Abstract: A display control device includes an image creating unit, a display output unit, an update time measuring unit, and a blinking control unit. The blinking control unit determines a bright time and a dark time to be integral multiples of an update time so that a blinking frequency is within a tolerance frequency range. In a blinking control, the blinking control unit executes an on-display control to instruct the image creating unit to create a bright image for a number of times of a value obtained by dividing the bright time by the update time, and then executes an off-display control to instruct the image creating unit to create the dark image for a number of times of a value obtained by dividing the dark time by the update time, and repeats the on-display control and the off-display control until the blinking control ends.

Abstract: An information processing device includes: a timing controller; a system device; and a display panel. The system device operates in accordance with at least a first operating system (OS) and a second OS, and outputs first original image data from the first OS and second original image data from the second OS to the timing controller. The display panel includes a plurality of pixels arranged in a predetermined display area. The timing controller includes: a memory; a writing unit; and a reading unit. The memory has a storage area associated with the display area. The writing unit stores the first original image data in a first individual storage area assigned to the first OS in the storage area, and stores the second original image data in a second individual storage area assigned to the second OS in the storage area. The reading unit reads image data stored in the storage area, frame by frame, and outputs the image data to the display panel.

Abstract: A display device includes a power generator to supply a driving voltage to the display and a controller to control the display and the power generator and to generate a power control signal. The power generator includes a DC-DC converter and bypass cut-off logic. The DC-DC converter receives an input power voltage and the power control signal, selectively boosts the input power voltage based on the power control signal, and generates the driving voltage. The bypass cut-off logic selectively cuts off supply of the input power voltage to the DC-DC converter based on the power control signal.

Abstract: A display device according to an embodiment of the present invention may process an input image with higher resolution than allowed easily without reconfiguring a hardware system through an image processing unit which divides input image data with first resolution into image blocks of an acceptable size and generating processed image data with second resolution lower than the first resolution.

Abstract: An image processing apparatus includes: a signal receiver configured to receive an input image; an image processor configured to process the input image and generate an output image; a storage configured to store a first patch corresponding to a first pixel of the input image; and a controller configured to control the image processor to generate the output image by applying the first patch stored in the storage to the first pixel.

Abstract: A display apparatus transmits a picture acquisition request for getting picture information to an external image apparatus connected through a predetermined interface to the display apparatus from the external image apparatus at predetermined intervals and gets a plurality of pieces of picture information from the external image apparatus to be displayed. The plurality of pictures may be switched at predetermined intervals, for example, to be displayed, so that the plurality of pictures may be displayed in a so-called slide show manner. A plurality of pictures for thumbnail may be produced from the plurality of pieces of picture information and be arranged together to be displayed in one picture screen of a display device.

Abstract: An input device and an air conditioner including the same, wherein the input device receives operation input of an air conditioner including an outdoor unit and an indoor unit, and the input device includes a display unit, a communication unit to communicate with the indoor unit, an interface unit to provide an interface for exchanging data with an external device, and a controller to perform control such that a home screen including a plurality of icon items is displayed on the display unit and to perform control such that temperature information set through a temperature setting item in the home screen is transmitted to the external device through the interface unit.

Abstract: The present disclosure provides a method and a device for adjusting color temperature of a screen, and an electronic device. The method includes: obtaining multiple groups of adjustment parameters corresponding to multiple adjustment operations on initial color temperature of a screen; performing calculation on the multiple groups of adjustment parameters according to a preset algorithm, to obtain an average color temperature difference; and calculating preference color temperature based on the initial color temperature and the average color temperature difference to obtain, and setting the color temperature of the screen of the user according to the preference color temperature.

Abstract: A technique for enhancing an image includes manipulating a base image to highlight pixels showing a particular material based on the energy absorption information of each pixel. In another technique, pixels in a base image are each converted to an output value to produce a converted image. Another technique allows imaging an obstructed object within a base image which is made of pixels, each representing a captured signal from a source emitting a source signal I0. An obstruction region contains pixels representing a combined signal I3 having traversed the obstructed object and an obstructive layer. Knowing a layer signal I2 representing a signal having traversed the obstructive layer outside of the obstruction region, the layer signal I2 may be removed from the combined signal I3, in order to reveal the original signal I1 representing an image of the obstructed object.

Abstract: An image of an HDR signal, in which deterioration in luminance due to adjustment of white balance is suppressed while variations of a color of an image of an SDR signal is suppressed, is displayed. A television (1) that displays an image is which white balance is adjusted includes a determination unit (12) that determines whether an image signal is an HDR signal or an SDR signal, and a display control unit (14) that, in a case where the determination unit determines that the image signal is the HDR signal, changes gain of at least one primary color among primary colors to a value higher than a set value.

Abstract: MicroLED arrays offer a small form factor solution for the HMD image sources since they do not need a separate illumination optics. Features of the present disclosure implement a MicroLED display system that incorporate a plurality of monochrome projectors (e.g., three MicroLED projectors) to generate three monochrome images (e.g., red, blue, and green images) that are separately input into a single waveguide of the HMD and combined to form an image that is displayed to the user. By utilizing a single waveguide that includes a plurality of spatially separated input regions (e.g., a region for inputting blue light, a region for inputting red light, a region for inputting green light), the MicroLED display system of the present disclosure may reduce the form factor of the HMD device because of the reduced number of plates that may be required to combine the three monochrome images.

Abstract: An automatically brightness adjusting electronic device and a brightness adjusting method are provided. The method comprises: sensing an environmental light intensity; generating a brightness adjustment signal according to the environmental light intensity via a second control unit; and adjusting a display brightness of a display unit according to the brightness adjustment signal via a first control unit or the second control unit.

Abstract: A vehicle includes a display device for displaying a screen divided into regions, and a controller for changing the divided regions of the screen displayed by the display device in accordance with an upward movement or downward movement of the display device.

Abstract: Systems and techniques for mapping the position of multiple display screens include receiving an image of multiple display screens having a unique encoding mechanism (e.g., QR code) displayed on each of the display screens, where the multiple display screens are configured in an arrangement. A virtual map of the unique encoding mechanisms is created by determining coordinates of the unique encoding mechanism displayed on each of the display screens using the image. A virtual map of the multiple display screens in the arrangement is created by determining coordinates of the multiple display screens using the virtual map of the unique encoding mechanisms. Electronic content is rendered on the arrangement of the multiple display screens using the virtual map of the multiple display screens.

Abstract: Provided are a method and apparatus for controlling display screen statuses. The method includes the following. A detection signal is transmitted by a signal emitter. A proximity light reflection signal of the detection signal reflected by an external object is received by a first signal receiver and a distant light reflection signal of the detection signal reflected by the external object is received by a second signal receiver. Intensity of the reflection signal received by the first signal receiver is compared with a first threshold to obtain a first comparison result. Intensity of the reflection signal received by the second signal receiver is compared with a second threshold to obtain a second comparison result. Control statuses of the display screen according to the first comparison result and the second comparison result.