Abstract: A method of converting 10-bit pixel data (e.g. 10:10:10:2 data) into 8-bit pixel data involves converting the 10-bit values to 7-bits or 8-bits and generating error values for each of the converted values. Two of the 8-bit output channels comprise a combination of a converted 7-bit value and one of the bits from the fourth input channel. A third 8-bit output channel comprises the converted 8-bit value and the fourth 8-bit output channel comprises the error values. In various examples, the bits of the error values may be interleaved when they are packed into the fourth output channel.

Abstract: Systems and methods are provided for providing Response Time Compensation (RTC) by generating multiple overdrive look-up tables (LUTs) for a display device are described. In some embodiments, an Information Handling System (IHS) may include a controller and a memory coupled to the controller, the memory having program instructions stored thereon that, upon execution, cause the controller to generate multiple LUTs each having alternate grey levels selected to implement RTC in a Liquid Crystal Display (LCD), wherein the alternate grey levels of each of the LUTs is calculated, at least in part, by taking into account one of a plurality of pixel lines of a video stream.

Abstract: A display controller, comprising a 3D_LUT random access memory, which stores at least a 3D Lookup table; and a display control processing unit, comprising: a computing unit, a register, a color signal booster, and a color signal attenuator; wherein after input color signals are received by the color signal booster, and the color signal booster amplifies color signals by a first predetermined factor, wherein the computing unit calculates the address of the 3D Lookup table, and loads the 3D Lookup table from the 3D_LUT random access memory according to the register, wherein the color signal attenuator attenuates color signals by a second predetermined factor. The present disclosure significantly increases the precision of color conversion from one RGB color space to another RGB color space, and does not increase the RAM cost, since the cost of multiplying or dividing by power of 2, for example, is limited.

Abstract: This disclosure relates to techniques for a driving apparatus including a reordering circuit and a source driving circuit. The reordering circuit can be configured to reorder a plurality of sub-pixel data of an input data string to generate a reordered data string so as to reduce a color switching number associated with a target data line. The source driving circuit can be coupled to the reordering circuit to receive the reordered data string. The source driving circuit can be configured to drive the target data line of a display panel according to the reordered data string.

Abstract: A display device includes: a display panel including first and second display areas adjacent to each other; and first and second data drivers configured to drive the first and second display areas, respectively, wherein the first data driver includes: a first afterimage detector configured to receive an input image and to detect a first afterimage area including an afterimage of the first display area from the input image; a first comparator configured to compare an afterimage detection result of the first display area with an afterimage detection result of the second display area received from the second data driver; and a first coordinate corrector configured to correct coordinates of the first afterimage area in response to the afterimage detection result of the first display area and the afterimage detection result of the second display area satisfying a preset reference.

Abstract: The present disclosure relates to an image display apparatus. The image display apparatus includes: a display including an organic light emitting diode panel (OLED panel); and a controller configured to control the display, wherein the controller calculates an Average Picture Level (APL) of an input image, and in response to the calculated APL being greater than or equal to a first reference value in a high-dynamic range (HDR) mode, the controller decreases the APL and perform luminance conversion based on the decreased APL, and in response to the calculated APL being greater than or equal to the first reference value in a normal mode rather than the HDR mode, the controller performs luminance conversion based on the calculated APL. Accordingly, luminance representation may be improved during displaying image.

Abstract: Embodiments of the disclosure relate to a compensation device of luminance uniformity and a controlling method thereof, more particularly, to a technology of predicting a level of maximum luminance value that is changed in compensating luminance uniformity of an image displayed on a display apparatus and providing it to a user.

Abstract: Embodiments of the present disclosure relate to a data driving circuit and a display device. In the process of a display device converting an image data received from an outside into a data signal supplied to a data driving circuit, a final color temperature target represented by the image is variably set based on a panel driving current, so that the power consumption of a display panel displaying an image can be minimized. In addition, since the final color temperature target is varied, the luminance of the image and the user's recognition level are maintained constant, thereby improving the efficiency of the display device.

Abstract: A display apparatus includes a substrate including a display area and a sensor area, the sensor area including an auxiliary display area and a transmitting area, first display elements arranged over the display area, second display elements arranged over the auxiliary display area, transmitting units arranged in the transmitting area and configured to transmit at least a portion of light incident on the transmitting units, and an optical layer including a mesh pattern covering at least the second display elements.

Abstract: An opening, which is provided on the inner side of a first pixel electrode, which is a first electrode formed in a display region, is larger than an opening, which is provided on the inner side of a second pixel electrode, which is the first electrode formed in a dummy display region. Further, a light-emitting layer (a first light-emitting layer) formed in the display region has the same shape and the same size as a light-emitting layer (a second light-emitting layer) formed in the dummy display region.

Abstract: A display device comprising: a display; and an image obtaining unit configured to obtain an image; and a display control unit configured to perform control such that a pixel having a brightness gradation value that is included within a setting range, which is a range of brightness gradation values and which is a range set to include at least a certain number of pixels in a target frame of the image, is displayed in the display in a display appearance different from that of a pixel having a brightness gradation value that is not included within the setting range in the target frame.

Abstract: Provided is a display panel and a display apparatus, the display panel includes a first display area including a plurality of first light-emitting devices and a plurality of first pixel driving circuits; and a light-transmitting display area including a plurality of second light-emitting devices and a plurality of second pixel driving circuits. Each of the plurality of light-emitting devices is electrically connected to one of the plurality of first pixel driving circuits. Each of the second light-emitting devices is electrically connected to one of the plurality of second pixel driving circuits. The second pixel driving circuits electrically connected to the second light-emitting devices in at least two columns are located in the same column. The second pixel driving circuits located in the same column and connected to the second light-emitting devices in different columns are respectively connected to different data signal wires.

Abstract: Methods and apparatuses relating to controlling an emission of a display panel. In one embodiment, a display driver hardware circuit includes row selection logic to select a number of rows in an emission group of a display panel, wherein the number of rows is adjustable from a single row to a full panel of the display panel, column selection logic to select a number of columns in the emission group of the display panel, wherein the number of columns is adjustable from a single column to the full panel of the display panel, and emission logic to select a number of pulses per data frame to be displayed, wherein the number of pulses per data frame is adjustable from one to a plurality and a pulse length is adjustable from a continuous duty cycle to a non-continuous duty cycle.

Abstract: A display device according to an embodiment of the present disclosure includes a light-emitting element configured to emit light, a driving transistor configured to provide a high-level voltage to the light-emitting element, and a switching transistor configured to transfer a voltage input through a data line to a gate node of the driving transistor. The driving transistor operates in a saturation mode in which a voltage of a source node is saturated in response to a first data voltage input to the gate node, and operates in a switch mode in which the driving transistor operates as a switch in response to a second data voltage higher than the first data voltage, so that a driving current generated in the driving transistor is able to be sensed through the source node.

Abstract: An LED-driving device includes a displaying section including a plurality of displaying groups, each composed of a plurality of connected LED elements, each with a built-in light emission-controlling element, a power-supplying section configured to provide a supply of an electric power to the displaying section, switching sections configured to selectively make or break connections between the power-supplying section and those displaying groups respectively, and a controlling section configured to make a decision as to whether, when the power-supplying section is powered on, an output value from the power-supplying section is normal or not, and as a result of determining that the output value from the power-supplying section is normal, perform such a control of the connections between the power-supplying section and those displaying groups as to enable the switching sections to in turn connect supplies of the electric power from the power-supplying section to those displaying groups, respectively.

Abstract: A display device including: first and second scan drivers; a data driver; a display unit including pixels connected to first and second scan lines, and data lines; and a controller controlling the first and second scan drivers, and the data driver, a first pixel includes: a light emitting element, a first transistor including a gate connected to a first node, wherein the first transistor is connected between a second node and a third node, a second transistor including a gate connected to a first scan line, the second transistor is connected between a data line and the second node, and a storage capacitor connected between the first node and a first power voltage; the first transistor is reverse biased by a second scan signal applied to a second scan line; and a first scan signal applied to the first scan line is different from the second scan signal.

Abstract: A pixel arrangement structure includes a plurality of pixel groups that are periodically arranged. Each pixel group includes four pixels, a first pixel (310) and a second pixel (320) are arranged in a same row, a third pixel (330) and a fourth pixel (340) are arranged in adjacent another row, the first pixel (310) and the third pixel (330) are arranged in a same column, and the second pixel (320) and the fourth pixel (340) are arranged in adjacent another column. An arrangement of sub-pixels in the first pixel (310) is different from an arrangement of sub-pixels in the second pixel (320), an arrangement of sub-pixels in the third pixel (330) is same as the arrangement of the sub-pixels in the second pixel (320), and an arrangement of sub-pixels in the fourth pixel (340) is same as the arrangement of the sub-pixels in the first pixel (310).

Abstract: A display apparatus includes an active area, an inactive area surrounding the active area, a pixel disposed in the active area, and a driver IC, a gate driver, a low-potential power supply line, a high-potential power supply line and a subframe controller disposed in the inactive area, wherein the subframe controller is disposed between the pixel and the gate driver.

Abstract: Provided is a display device with extremely high resolution, a display device with higher display quality, a display device with improved viewing angle characteristics, or a flexible display device. Same-color subpixels are arranged in a zigzag pattern in a predetermined direction. In other words, when attention is paid to a subpixel, another two subpixels exhibiting the same color as the subpixel are preferably located upper right and lower right or upper left and lower left. Each pixel includes three subpixels arranged in an L shape. In addition, two pixels are combined so that pixel units including subpixel are arranged in matrix of 3×2.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a base substrate, a plurality of sub-pixels, a plurality of data lines, a plurality of first power lines, a plurality of data line leads; and the array substrate further includes: a plurality of selector switches; a plurality of data signal input lines, at a side of the plurality of selector switches away from the display region, each of at least a part of the plurality of selector switches being connected to one data signal input line; a first power bus, at a side of the plurality of selector switches away from the display region; and a plurality of connecting portions, connected to the first power bus and the plurality of first power lines, the plurality of connecting portions extending towards the display region along regions between the plurality of selector switches.

Abstract: A foldable mobile electronic device is provided.

Abstract: An organic light emitting diode display device calculates a cumulative current of each of the plurality of pixels, calculates a consumed current consumed by each of the plurality of pixels during a reproduction period of the image, estimates an expected deterioration time of each of the pixels based on a difference between the cumulative current and the consumed current, and operates the display unit in a normal output mode as an image output mode when a number of pixels expected to burn in among the plurality of pixels based on the estimated expected deterioration time is less than a preset number.

Abstract: An image display device includes: an image signal reception unit configured to receive an image signal of a pattern image in which N partial images having a different gradation level value are regularly arranged; a conversion unit configured to convert a part of gradation level values included in the image signal in accordance with a predetermined conversion rule; and a display unit configured to display by using an image signal that undergoes conversion by the conversion unit. The conversion unit converts a gradation level value corresponding to a term of a predetermined arithmetic progression in accordance with the predetermined conversion rule.

Abstract: A digital PSF for use in a dual modulation display. The invention allows the use of less than optimal point spread (PSF) functions in the optics between the pre-modulator and primary modulator of a dual modulation projection system. This technique uses multiple halftones per frame in the pre-modulator synchronized with a modified bit sequence in the primary modulator to produce a compensation image that reduces the errors produced by the sub-optimal PSF. The invention includes the application to dual modulation and dual modulated 3D viewing systems.

Abstract: Disclosed are a text boundary processing method, a display panel and a computer-readable storage medium. The method includes: acquiring a grayscale value of each sub-pixel in a display panel; determining a current sub-pixel is a text boundary according to a grayscale value of the current sub-pixel and grayscale values of sub-pixels adjacent to the current sub-pixel; and interchanging grayscale values of a red sub-pixel and a blue sub-pixel in a sub-pixel group where the current sub-pixel is located, where, the sub-pixel group consists of the current sub-pixel and two sub-pixels adjacent to the current sub-pixel in a same row where the current sub-pixel is located.

Abstract: An organic light emitting diode (OLED) display device supporting a variable frame mode includes an OLED display panel, a data driver configured to provide a data signal to the OLED display panel, a scan driver configured to provide a scan signal to the OLED display panel, an emission driver configured to provide an emission control signal to the OLED display panel, and a controller configured to control the data driver, the scan driver and the emission driver, to count a time of a current frame, and to control the emission driver to decrease an off period ratio of the emission control signal as the counted time of the current frame increases.

Abstract: Disclosed are an image sensing device and an operating method thereof, and the image sensing device may include: an image sensor including a plurality of pixels and suitable for generating an image based on incident light; and an image processor suitable for generating a high dynamic range (HDR) image based on the image and two or more pieces of tone mapping information, which are divided according to luminance.

Abstract: Examples of the present disclosure provide a method and an apparatus for processing a brightness of a display screen, and an electronic device. The method includes: obtaining a subject object of an image based on image information of the image; obtaining a first contrast of the subject object and a first gray level of the image; and adjusting a brightness of a display screen displaying the image based on the first contrast and the first gray level.

Abstract: Provided is a display device for providing a constant brightness for each area by including an area sensing part configured to determine a position value of an input image in the display device, and determine an area range according to the position value to output an area value, a gradation value determining part configured to output a first gradation value corresponding to a brightness of the input image according to the area value, a control part configured to output a corrected gradation value corresponding to the first gradation value, and a display part configured to display a corrected image having the corrected brightness corresponding to the corrected gradation value.

Abstract: A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.

Abstract: A display driving circuit and a display device including the same are provided. The display driving circuit includes a source driver which applies source data to a display panel, a power supply unit which receives an external voltage from a power module to generate an internal voltage and a logic unit which is supplied with the internal voltage to control the source driver, wherein the logic unit includes a voltage variable determination logic which determines whether a supply voltage including the internal voltage and the external voltage is changed, thereby generating a voltage variable signal, and a voltage control logic which receives the voltage variable signal to change the supply voltage.

Abstract: The present disclosure provides a display device that includes a preprocessor, a controller, and a display panel. The preprocessor includes an area determiner outputting area data, a modulator outputting modulated data, and a synthesizer converting first image data and outputting second image data including the area data and the modulated data.

Abstract: A display device and a driving method thereof are disclosed, and the display device includes a first pixel connected to a first data line, a first scan line, and a first power source line, emitting light in a first period, and not emitting light in a second period following the first period; a second pixel connected to a second data line, the first scan line, and the first power source line, not emitting light in the first period, and emitting light in the second period; a current sensor sensing a current flowing through the first power source line in the first period to provide a first sensing current value, and sensing the current flowing through the first power source line in the second period to provide a second sensing current value; and a memory storing a first block target current value corresponding to the first sensing current value and a second block target current value corresponding to the second sensing current value.

Abstract: Provided is a device and method for designing a light guide plate pattern, the device including a camera configured to capture a liquid crystal display device module mounted in a curved display device, a mura position detector configured to detect a position of mura on the basis of image information and luminance information captured by the camera, a mura shape detector configured to detect shape of the mura on the basis of the image information and the luminance information captured by the camera, a dot pattern density adjuster configured to adjust a density of dot patterns of a light guide plate based on a shape for removing the mura corresponding to the shape of the mura generated in the liquid crystal display device module.

Abstract: The present disclosure relates to a data driving device and a panel driving method of the data driving device. More particularly, it relates to a data driving device and a panel driving method of the data driving device in which a programmable gamma circuit is applied to a gamma voltage circuit of the data driving device and some components of a channel circuit are used in common so as to reduce the size of the data driving device.

Abstract: Provided are a display device and a method of operating the same. The method of operating the display device, which includes a display panel including a plurality of pixels and a data driver configured to provide data signals having different voltage levels to all data lines connected to pixels, comprises steps of applying a data signal having a first data voltage to all the data lines, determining whether a preset sensing current flows in a target wire, and applying a data signal having a second data voltage to all the data lines, wherein the second data voltage is offset from the first data voltage by a certain voltage level.

Abstract: One embodiment provides a method, including: producing, using one or more optical engines of an augmented reality display, an augmented reality scene; determining, using at least one sensor, a location of a gaze of the user on the augmented reality display; identifying, based upon the location of the gaze, at least one object a user is viewing; and adjusting, based upon identification of the at least one object, luminance within the augmented reality scene. Other aspects are described and claimed.

Abstract: A display panel includes a display panel displaying an image including a moving image and a static image; a controller generating first image data to the first area in a first arrangement type, and generating second image data to the second area in a second arrangement type; a scan driver sequentially supplying scan signals to all of pixel rows of the first area during a first period of a first frame and sequentially supplying scan signals to a part of pixel rows of the second area exclusively during a second period of the first frame; and a data driver supplying data signals corresponding to the first image data to data lines during the first period, and supplying data signals corresponding to the second image data to the data lines during the second period.

Abstract: The power consumption of a display device is reduced. The power consumption of a driver circuit in a display device is reduced. A pixel included in the display device includes a display element. The pixel is configured to have a function of retaining a first voltage corresponding to a first input pulse signal and a function of driving the display element with a third voltage obtained by addition of a second voltage corresponding to a second input pulse signal to the first voltage.

Abstract: A method is provided for adjusting a luminance profile of an image displayed on a look-through display to a user. The method comprises: determining a field of view of the user based on a spatial configuration of the user's head. Determining one or more lighting conditions in the field of view. Adjusting the luminance profile for the image based on the field of view, wherein, as a result of the adjusted luminance profile, the image is reconciled with the field of view.

Abstract: A pixel circuit includes a data writing sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The data writing sub-circuit is connected to the driving sub-circuit, and is configured to write a data voltage signal into the driving sub-circuit and compensate it, in response to a first gate signal and a second gate signal. The light-emitting control sub-circuit is connected to the driving sub-circuit, and is configured to close a line between a first power supply voltage terminal and a second power supply voltage terminal, in response to a first enable signal and a second enable signal. The driving sub-circuit is configured to provide a driving current to a light-emitting device through the closed line according to the written data voltage signal. Phases of the first enable signal and the first gate signal are opposite, and phases of the second enable signal and the second gate signal are opposite.

Abstract: An output buffer is provided, which including an input circuit, output circuits, a first multiplexer, a second multiplexer and a demultiplexer. The input circuit is for generating a first control signal and a second control signal according to a feedback signal and an input signal. Each output circuit is controlled by a first gate signal and a second gate signal to provide a corresponding one of output signals. The first multiplexer is for providing the first control signal and the second control signal to one of the output circuits as the first gate signal and the second gate signal, respectively. The second multiplexer is for providing a first reference voltage and a second reference voltage as the first gate signal and the second gate signal, respectively, to other of the output circuits. The demultiplexer is for providing one of the output signals as the feedback signal.

Abstract: The disclosure provides a display device and a driving method thereof. The display device includes a light emitting module and a display panel. The light emitting module includes an optical sensor and multiple light emitting diodes (LEDs). The LEDs are adjacent to the optical sensor. The LEDs emit red, green, and blue light. The LEDs dynamically convert brightness of the red, green, and blue light. The display panel is disposed on the light emitting module. The display device of the disclosure may achieve a full-screen display or have a higher resolution.

Abstract: A current-voltage (IV) relationship of a pixel having a diode is initially determined. A first voltage is determined that does not cause the diode to emit light, and a first current across the diode is sensed by applying the first voltage. A predetermined current is determined based on the first voltage and the IV relationship. A ratio is determined based on the first current, a target current, and the predetermined current. A ratio voltage is determined by applying the ratio to a predetermined target voltage. If the first current is less than the predetermined current, then the ratio voltage is applied to supply a target current to the diode. If the first current is greater than the predetermined current, then a second voltage is determined by averaging the first test voltage and the ratio voltage, and the second voltage is applied to supply the target current to the diode.

Abstract: A video data processor converts input video data into sub-frame data in which one frame is composed of a plurality of sub-frames. A liquid crystal display device includes a display pixel unit in which a greater number of pixels than the number of pixels of the camera to be evaluated are arranged, and switches a display image to be captured by a camera for each frame asynchronously with the camera based on the sub-frame data to display the display image in a frame-sequential manner. The video data processor includes a sub-frame data conversion table which differs for each of a plurality of pixels corresponding to one pixel of the camera, and a sub-frame data converter configured to convert the video data into the sub-frame data for each of the plurality of pixels based on the sub-frame data conversion table.

Abstract: The present application discloses a display panel and a display apparatus. The display panel includes: a first substrate, pixels, data lines, and scan lines. The pixels include first pixels and second pixels. The first pixels each include a first primary pixel and first secondary pixel, and the second pixels each include a second primary pixel and a second secondary pixel. The first primary pixel and the first secondary pixel are connected to an nth row of scan line and an nth row of data line, and the second primary pixel and the second secondary pixel are connected to the nth row of scan line and the nth row of data line. The first secondary pixel is connected to a first pull-down circuit, and the second secondary pixel is connected to a second pull-down circuit.

Abstract: To provide a display device capable of displaying a plurality of images by superimposition using a plurality of memory circuits provided in a pixel. A plurality of memory circuits are provided in a pixel, and signals corresponding to images for superimposition are retained in each of the plurality of memory circuits. In the pixel, the signals corresponding to the images for superimposition are added to each of the plurality of memory circuits. The signals are added to the signals retained in the memory circuits by capacitive coupling. A display element can display an image corresponding to a signal in which a signal written to a pixel through a wiring is added to the signals retained in the plurality of memory circuits. Reduction in the amount of arithmetic processing for displaying images by superimposition can be achieved.

Abstract: A method for acquiring luminance compensation data, which includes: collecting an image of a first grayscale value and an image of a second grayscale value displayed by a display panel to be compensated; calculating a luminance difference between the image of the first grayscale value and image of the second grayscale value for each display unit of the display panel; determining a target luminance difference based on the luminance difference between the image of the first grayscale value and the image of the second grayscale value for each display unit; determining a preset compensation data calculation scheme corresponding to the display panel and acquiring images of grayscale values required by the preset compensation data calculation scheme, based on a preset condition that the target luminance difference meets; and determining the luminance compensation data for the display panel, based on the determined images of grayscale values.

Abstract: A liquid crystal display device includes a pixel array including a plurality of rows of gate lines, a plurality of columns of source lines, a plurality of switches, and a plurality of liquid crystal cells; a gate driver IC connected to the gate lines; a source driver IC connected to the source lines; a timing control IC arranged to control operation timings of the gate driver IC and the source driver IC; and a system power supply IC arranged to supply a power supply voltage to the source driver IC. Each of the timing control IC and the system power supply IC has a function of detecting an abnormality in the gate driver IC and an abnormality in the source driver IC.

Abstract: The present disclosure provides a driving method of a display module, a driving system thereof, and a display device. The driving method of the display module includes a display panel driving process, and a backlight module driving process driven synchronously with the display panel driving process. The display panel driving process includes steps: receiving first color signals, and converting into second color signals to drive the display panel. The backlight module driving process includes steps: using the light source adjustment coefficient to adjust a first brightness value to obtain a second brightness value to driven first color light sources and/or second color light sources.