Abstract: Display driving method and device capable of selecting driving pulse types. The display device includes a plurality of pixels, each of the plurality of pixels including a luminous element and a pixel circuit connected to the luminous element; and a data driver configured to provide image data and luminance data of the pixels to the pixel circuit, wherein the image data comprises multi-bit values including a Most Significant Bit (MSB) and a Least Significant Bit (LSB); and a processor configured to generate a Pulse Width Modulation (PWM) signal based on the multi-bit values when the luminance data is greater than a threshold value, and control light-emission and non-emission of the luminous element through the PWM signal, and drive the LSB using an impulse signal when the luminance data is less than the threshold value.

Abstract: Provided is a pixel driving circuit connected to a light-emitting element, the pixel driving circuit including a first memory storing a bit value of bit data associated with image data of a single frame including a plurality of subframes, a controller configured to generate a pulse width modulation (PWM) signal and a control signal for controlling light emission or non-light emission of the light-emitting element, based on data stored in the first memory, a driving unit configured to supply power to the light-emitting element based on the PWM signal and the control signal, received from the controller, and a bias circuit configured to supply bias power to the driving unit based on the control signal received from the controller.

Abstract: A pixel module comprises a scan driver to output first signals, a data driver to output second signals, and a plurality of pixel circuits for driving an LED with PWM signals. Each pixel circuit comprises a first memory configured to store image data to drive the light-emitting diode, a second memory configured to store charging control data indicating charging timings or a number of charging times of a capacitor, and a PWM pixel driver comprising the capacitor configured to be chargeable when a supply of a bias voltage is turned on based on the charging control data, a charge controller configured to output a charging control signal according to the charging control data, and a PWM control element configured to control a power supply to the light-emitting diode, wherein the second signals transmit the image data to the first memory and the charging control data to the second memory.

Abstract: Provided is a pixel driving circuit operatable in a low-definition mode and a high-definition mode using the same pixel memory, and a display device including the same. The pixel driving circuit may include a driving line configured to connect between an emitter and a positive power source or between the emitter and a negative power source, a first transistor connected in series on the driving line and turned on in response to a pulse width modulation (PWM) signal, a first driving unit and a second driving unit that are connected in series on the driving line and electrically connected in parallel to each other, and a second transistor connected between a reference voltage source, which is connected to apply a reference voltage to the first driving unit and the second driving unit, and the second driving unit and turned on or off in response to a display mode selection signal.

Abstract: A display apparatus is capable of improving a dynamic false contour. The display apparatus may control to change an order of a plurality of pulses of which widths are modulated for an emission time set within one frame, or divide pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data among the pulses into two or more sub-pulses, and output the sub-pulses.

Abstract: Provided is a pixel driving circuit capable of reducing power consumed for pixel driving by reducing the number of times a capacitor is charged. The pixel driving circuit includes: a video memory configured to store video data related to driving of a plurality of light-emitting devices; a plurality of sub-pixel driving units, respectively corresponding to the plurality of light-emitting devices, configured to supply power to the plurality of light-emitting devices according to the video data stored in the video memory, each of the plurality of sub-pixel driving units having a capacitor unit for charging power required for driving each of the plurality of light-emitting devices; a charge control memory configured to store data related to charging of the capacitor unit; and a charge controller configured to control whether the capacitor unit is charged according to charge control data stored in the charge control memory.

Abstract: Provided is a display device that controls brightness using a plurality of PWM source signals. The display device includes a display panel including a plurality of pixels forming a plurality of rows and a plurality of columns, and a PWM driving circuit including a unit driving circuit connected to each of a plurality of lines corresponding to the plurality of rows or the plurality of columns, wherein the PWM driving circuit sequentially applies PWM signals output from the unit driving circuits to the plurality of lines to control the brightness of the plurality of pixels for each line the brightness of the plurality of pixels may be controlled for each line.

Abstract: The present invention is related to pixels and a display apparatus including: a display unit including a plurality of pixels; a signal control unit for generating a first voltage signal and a second voltage signal; a column driver connected to each of the pixels to transmit the first voltage signal to the pixel through a column line; and a row driver connected to each of the pixels to transmit the second voltage signal to the pixel through a row line, wherein the signal control unit generates the second voltage signal so that a voltage level of the second voltage signal rises to be higher than or equal to a predetermined level value during a non-emission period of the pixel.

Abstract: The present embodiments disclose a display device. A display device according to an embodiment of the present disclosure may include an array of pixels, each pixel connected to a respective luminous element. The array of pixels comprises a first pixel comprising a first memory to configured to store image data to drive a first luminous element; and at least one pixel directly adjacent to the first pixel, each of the at least one pixel comparing a second memory electrically connected to the first memory, wherein the second memory is configured to receive the n-bit data from the first memory.

Abstract: Provided is a pixel driving circuit capable of reducing power consumed for pixel driving by reducing the number of times a capacitor is charged. The pixel driving circuit includes: a video memory configured to store video data related to driving of a plurality of light-emitting devices; a plurality of sub-pixel driving units, respectively corresponding to the plurality of light-emitting devices, configured to supply power to the plurality of light-emitting devices according to the video data stored in the video memory, each of the plurality of sub-pixel driving units having a capacitor unit for charging power required for driving each of the plurality of light-emitting devices; a charge control memory configured to store data related to charging of the capacitor unit; and a charge controller configured to control whether the capacitor unit is charged according to charge control data stored in the charge control memory.

Abstract: The present invention is related to pixels and a display apparatus including: a display unit including a plurality of pixels; a signal control unit for generating a first voltage signal and a second voltage signal; a column driver connected to each of the pixels to transmit the first voltage signal to the pixel through a column line; and a row driver connected to each of the pixels to transmit the second voltage signal to the pixel through a row line, wherein the signal control unit generates the second voltage signal so that a voltage level of the second voltage signal rises to be higher than or equal to a predetermined level value during a non-emission period of the pixel.

Abstract: A display apparatus is capable of improving a dynamic false contour. The display apparatus may control to change an order of a plurality of pulses of which widths are modulated for an emission time set within one frame, or divide pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data among the pulses into two or more sub-pulses, and output the sub-pulses.

Abstract: The present invention is related to pixels and a display apparatus including: a display unit including a plurality of pixels; a signal control unit for generating a first voltage signal and a second voltage signal; a column driver connected to each of the pixels to transmit the first voltage signal to the pixel through a column line; and a row driver connected to each of the pixels to transmit the second voltage signal to the pixel through a row line, wherein the signal control unit generates the second voltage signal so that a voltage level of the second voltage signal rises to be higher than or equal to a predetermined level value during a non-emission period of the pixel.

Abstract: Provided are a pixel having two contacting points and an operating method of the pixel. The pixel includes a positive power terminal and a negative power terminal which are related to power required for driving of a pixel driving circuit unit driving a plurality of light-emitting elements, wherein the positive power terminal is connected to a data driving circuit, and the negative power terminal is connected to a scan driving circuit. The pixel may be driven according to a potential difference between a signal output from the data driving circuit and a signal output from the scan driving circuit.

Abstract: A display apparatus is capable of improving a dynamic false contour. The display apparatus may control to change an order of a plurality of pulses of which widths are modulated for an emission time set within one frame, or divide pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data among the pulses into two or more sub-pulses, and output the sub-pulses.

Abstract: Provided is a pixel driving circuit capable of reducing power consumed for pixel driving by reducing the number of times a capacitor is charged. The pixel driving circuit includes: a video memory configured to store video data related to driving of a plurality of light-emitting devices; a plurality of sub-pixel driving units, respectively corresponding to the plurality of light-emitting devices, configured to supply power to the plurality of light-emitting devices according to the video data stored in the video memory, each of the plurality of sub-pixel driving units having a capacitor unit for charging power required for driving each of the plurality of light-emitting devices; a charge control memory configured to store data related to charging of the capacitor unit; and a charge controller configured to control whether the capacitor unit is charged according to charge control data stored in the charge control memory.

Abstract: Provided is a pixel driving circuit operatable in a low-definition mode and a high-definition mode using the same pixel memory, and a display device including the same. The pixel driving circuit may include a driving line configured to connect between an emitter and a positive power source or between the emitter and a negative power source, a first transistor connected in series on the driving line and turned on in response to a pulse width modulation (PWM) signal, a first driving unit and a second driving unit that are connected in series on the driving line and electrically connected in parallel to each other, and a second transistor connected between a reference voltage source, which is connected to apply a reference voltage to the first driving unit and the second driving unit, and the second driving unit and turned on or off in response to a display mode selection signal.

Abstract: A display apparatus is capable of improving a dynamic false contour. The display apparatus may control to change an order of a plurality of pulses of which widths are modulated for an emission time set within one frame, or divide pulses corresponding to the most significant bit (MSB) and the second significant bit (MSB-1) of image data among the pulses into two or more sub-pulses, and output the sub-pulses.

Abstract: Provided are a pixel having two contacting points and an operating method of the pixel. The pixel includes a positive power terminal and a negative power terminal which are related to power required for driving of a pixel driving circuit unit driving a plurality of light-emitting elements, wherein the positive power terminal is connected to a data driving circuit, and the negative power terminal is connected to a scan driving circuit. The pixel may be driven according to a potential difference between a signal output from the data driving circuit and a signal output from the scan driving circuit.

Abstract: The present specification provides a display apparatus allowing brightness of a display panel to be more finely controlled as compared with the related art. The display apparatus according to the present specification includes a display panel in which a plurality of pixels are arranged in m×n, and K shift register units configured to sequentially output pulse signals having a width adjusted to adjust brightness of the display panel to m horizontal pixel lines, wherein each of the shift register units includes m main flip-flops and m?1 sub-flip-flops connected between the in main flip-flops.