Abstract: A light emitting display apparatus includes a display portion including a plurality of pixel driving lines disposed over a substrate and a plurality of pixels selectively connected to the plurality of pixel driving lines, a light emitting device layer disposed at the display portion, a dam portion including at least one dam having a metal line, a plurality of switching circuit portions disposed to overlap the at least one dam and selectively connected to the plurality of pixel driving lines, and a front pad portion including a plurality of front pads electrically coupled to the plurality of pixel driving lines and the metal line of the at least one dam, each of the plurality of switching circuit portions includes first and second switching circuits each including a gate electrode electrically coupled to the metal line of the at least one dam.

Abstract: The disclosure provides a compensation method, system, device and medium of a IR Drop of a display panel. The compensation method includes: constructing a IR Drop model of the display panel based on a distribution of equivalent resistances between adjacent pixels in the display panel; constructing a vector matrix equation of the IR Drop according to the IR Drop model; performing an equivalent processing on the vector matrix equation of the IR Drop to form a plurality of equivalent sub-matrices; iteratively solving IR Drop data of each node in each equivalent sub-matrix; and performing a voltage compensation on each pixel in the display panel according to the IR Drop data. The disclosure may realize a point-to-point accurate compensation of all nodes in the display panel, and improves a problem of uneven brightness of a high-resolution display panel caused by the IR Drop.

Abstract: A display panel, a method for detecting and compensating the display panel, and a display device are provided. The display panel includes a first voltage terminal, a gate driving circuit, and a detection circuit. The gate driving circuit includes multiple stages of first output terminals; and the detection circuit includes a voltage divider circuit, multiple first switching units, and multiple second switching units. The voltage divider circuit includes multiple stages of voltage output terminals, and the voltage output terminals and the first output terminals are arranged in one-by-one correspondence; the first switching units and the voltage output terminals are arranged in one-by-one correspondence; the second switching units and the first switching units are arranged in one-by-one correspondence; and the second switching units have second terminals connected to a second output terminal.

Abstract: A display device comprises a pixel circuit including a driving element having a gate electrode connected to a first node and a source electrode connected to a second node, a light emitting element connected to the second node, a first switch element that connects a data line and the first node, and a second switch element that connects a reference voltage line and the second node; a gate driver that supplies a scan signal to the gate line; and a sensing circuit that senses a voltage of the reference voltage line during a sensing period, wherein during an initialization period the scan signal is higher than the sensing data voltage, during the sensing period, the scan signal is higher than the first ground voltage and lower than the sensing data voltage, during the sensing period, a voltage of the second node is stored in a sensing capacitor.

Abstract: The present application discloses a display panel and a display device. The display panel comprises pixel circuits, collecting modules and feedback modules, and the pixel circuit comprises a driving module, a data writing module and a light-emitting module; wherein the data writing module is configured to transmit a voltage output by a data signal terminal to the driving module; the driving module and the light-emitting module are electrically connected between a first power supply terminal and a second power supply terminal, and the driving module is configured to generate a driving current according to the voltage from the data signal terminal and a voltage from the first power supply terminal to drive the light-emitting module to emit light; the collecting module is configured to collect at least one of a voltage actually received by the driving module and a voltage actually received by the driving module.

Abstract: A display panel and a display device are provided. A second transistor of a first pixel driving circuit is connected to a reset signal line and a first light emitting device, and a second transistor of a second pixel driving circuit is connected to the reset signal line and a second light emitting device. A first light emitting device emits first color light having a first wavelength and a second light emitting device emits second color light having a second wavelength. The first wavelength is greater than the second wavelength. The reset signal line and first node of the first pixel driving circuit have a first coupling capacitor, the reset signal line and the first node of the second pixel driving circuit have a second coupling capacitor, and a first coupling capacitance of the first coupling capacitor is greater than a second coupling capacitance of the second coupling capacitor.

Abstract: A non-transitory computer-readable storage medium can include instructions stored thereon that, when executed by at least one processor, are configured to cause a computing device to determine, in response to a change in a refresh rate of a display, an encoded intensity of at least a portion of an image presented by the display, determine that the encoded intensity is within a predetermined range, and based on determining that the encoded intensity is within the predetermined range, adjust an intensity of a signal for the portion of the image.

Abstract: A pixel circuit can include a capacitor connected between a first node and a second node, a first transistor connected between a data line and the first node, a driving transistor including a gate electrode connected to the second node, a first electrode connected to a first voltage supply line, and a second electrode connected to a third node, a second transistor connected between the second node and a fourth node, the fourth node being connected to a reference voltage supply line, a third transistor connected between the fourth node and a fifth node, and an emission element connected to the driving transistor and connected to the third transistor through the fifth node.

Abstract: A pixel of a display device may pre-charge a light emitting element in non-emission periods immediately before emission periods by varying a voltage level of an initialization voltage. As a result, a luminance non-uniformity phenomenon that may occur as the result of a deterioration deviation of the light emitting element may be removed or reduced.

Abstract: A display device includes a timing controller configured to generate a first control signal using a first clock signal when driven at a first frame frequency, and generate a second control signal using a second clock signal when driven at a second frame frequency different from the first frame frequency, pixels connected to scan lines, data lines, and emission control lines, and an emission driver configured to supply an emission control signal to the emission control lines in response to an emission start signal included in the first control signal or the second control signal. The number of off periods of the emission control signal included in one frame driven at the first frame frequency is equal to the number of off periods of the emission control signal included in one frame driven at the second frame frequency.

Abstract: In a display apparatus, a display panel includes a pixel array of pixels, each pixel disposed on one of a plurality of row lines and including a plurality of inorganic LEDs, and a sub pixel circuit corresponding to each of the plurality of LEDs. Each sub pixel circuit includes a PMOSFET driving transistor, and drives a corresponding LED based on an applied image data voltage. A sensing part senses a current through the driving transistor of at least one sub pixel circuit based on a specified voltage applied to the sub pixel circuit, and outputs corresponding sensing data. A correcting part corrects an image data voltage applied to the sub pixel circuit based on the sensing data. In each LED, an anode electrode is coupled to a common node to which a driving voltage is applied, and a cathode electrode is coupled to a source terminal of the driving transistor.

Abstract: An embodiment of a display apparatus includes a scan driver, a pixel, a first scan line electrically connecting the scan driver to the pixel, a second scan line electrically connecting the scan driver to the pixel, and a third scan line electrically connecting the scan driver to the pixel, wherein in operation: the pixel receives first, second, and third scan signals from the scan driver by way of the first, second, and third scan lines, respectively; the first and second scan signals produce a display period of a frame period in the pixel; and the third scan signal produces a black insertion period of the frame period in the pixel.

Abstract: An electronic device is provided. The electronic device includes a display including a display driver circuit and a display panel. The electronic device includes a processor. The display driver circuit is configured to obtain information regarding an image from the processor. The display driver circuit is configured to display, based on an on pixel ratio (OPR) of the image that is a first OPR, the image within a first brightness range from a first reference brightness level to a second reference brightness level greater than the first reference brightness level, through the display panel. The display driver circuit is configured to display, based on the OPR that is a second OPR lower than the first OPR, the image within a second brightness range from the first reference brightness level to a third reference brightness level greater than the second reference brightness level, through the display panel.

Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of light emitting controlling units arranged in M rows and N columns, M is an integer equal to or greater than one, N is an integer equal to or greater than one, wherein a respective one of the plurality of light emitting controlling units includes a plurality of light emitting elements arranged in J rows and I columns, J being an integer equal to or greater than one, I being an integer equal to or greater than one, a i-th column of the I columns of light emitting elements includes J rows of light emitting elements, 1?i?I; (M×J) number of first voltage signal lines; and (M×J) number of groups of second voltage signal lines.

Abstract: In a display device including scanning lines, light emission control lines, data lines, pixel circuits, and a drive circuit that drives the scanning lines, the light emission control lines, and the data lines, the pixel circuit includes a light-emitting element and a drive transistor that controls the amount of current flowing through the light-emitting element. The drive circuit has a monitoring mode, and during a frame period in the monitoring mode, the drive circuit sets non-light-emission periods, which are sequentially delayed and have the same length, for rows of the pixel circuits, selects a row to be measured from among the rows of the pixel circuits as a monitoring row, sets a monitoring period that partially overlaps a non-light-emission period of the monitoring row, and measures characteristics of light-emitting elements or drive transistors in pixel circuits in the monitoring row during the monitoring period.

Abstract: A pixel circuit of a display device includes: a light-emitting element; a drive transistor; a write control transistor having one conductive terminal connected to a data line and a control terminal connected to a scanning line; a first capacitor provided between a control terminal of the drive transistor and a conductive terminal of the drive transistor on the light-emitting element side; a second capacitor provided between another conductive terminal of the write control transistor and the control terminal of the drive transistor; and a mode selection circuit provided in parallel to the second capacitor and configured to cause a short-circuit and an open-circuit between electrodes of the second capacitor in accordance with a voltage of a mode selection line. Accordingly, a display device capable of easily performing gradation control is provided.

Abstract: An embodiment of a display apparatus includes a scan driver, a pixel, a first scan line electrically connecting the scan driver to the pixel, a second scan line electrically connecting the scan driver to the pixel, and a third scan line electrically connecting the scan driver to the pixel, wherein in operation: the pixel receives first, second, and third scan signals from the scan driver by way of the first, second, and third scan lines, respectively; the first and second scan signals produce a display period of a frame period in the pixel; and the third scan signal produces a black insertion period of the frame period in the pixel.

Abstract: A display device includes: a display panel including a normal pixel in a display region and a test pixel in a peripheral region, a sensing line coupled to the test pixel, and a sensing circuit configured to sense a mobility characteristic of the test pixel by measuring a current at a source node of the test pixel through the sensing line. The source node of the test pixel is electrically separated from the sensing line in a data writing period of a frame period, and is electrically coupled to the sensing line in an emission period of the frame period.

Abstract: A gate driver includes a plurality of stage groups each including a plurality of stages; and a plurality of start circuits each configured to output a start signal to each of the plurality of stage groups, wherein each of the plurality of start circuits outputs the start signal to an uppermost stage among the plurality of stages of each of the plurality of stage groups, so that an area of the gate driver can be reduced.

Abstract: A timing controller for controlling a plurality of driving circuits of a light-emitting diode (LED) display device is provided. The timing controller comprises: a voltage level conversion circuit and a setting circuit. The voltage level conversion circuit is configured to determine a plurality of voltage level settings with respect to a plurality of image regions of an input image. The setting circuit is configured to respectively set the plurality of driving circuits of the LED display device according to the plurality of voltage level settings, wherein the third circuitry is configured to set each of the plurality of driving circuits to utilize a drive voltage at a specific level that is indicated by a corresponding one of the voltage level settings, to respectively drive LED units of the LED display device.

Abstract: A light-emitting device according to an embodiment of the present disclosure includes: a pixel circuit including a light-emitting part; and a gradation controller that performs gradation control. The pixel circuit includes a light emission time controller that controls a light emission time of the light-emitting part, and an amplitude modulator that includes an output transistor coupled in series to the light-emitting part. The gradation controller performs the gradation control by performing, via the light emission time controller, on/off control on the output transistor of the amplitude modulator, and modulation control on the amplitude modulator.

Abstract: A display device including a display panel including a scan line, a data line, and a pixel connected thereto, a gate driver, and a source driver including a gamma voltage generator to generate gamma voltages having different voltage levels, a digital-to-analog converter to generate the data voltage corresponding to a gray scale value using the gamma voltages, and a source buffer, in which the gamma voltage generator includes a first resistor string to set a voltage range of the gamma voltages, a second resistor string to set tab gamma voltages corresponding to some of the gamma voltages within the voltage range, gamma buffers to output the tab gamma voltages, and a third resistor string including tabs respectively connected to output terminals of the gamma buffers, the third resistor string being configured to divide a voltage between the tabs to generate the gamma voltages.

Abstract: A pixel structure and a display panel are provided. The pixel structure includes a plurality of pixel units. Each pixel unit includes a first sub-pixel, a second sub-pixel and a third sub-pixel. The first sub-pixel and the second sub-pixel are located on the same side of the third sub-pixel along the first direction. Each of the first sub-pixel and the second sub-pixel is arranged opposite to the third sub-pixel, and the first sub-pixel is arranged opposite to the second sub-pixel along the second direction. The areas of the first sub-pixel, the second sub-pixel and the third sub-pixel increase sequentially. The third sub-pixel includes a body portion and an extension portion. The body portion extends in the second direction, the extension portion is connected to the body portion and extends in the first direction towards the first sub-pixel and is arranged opposite to the first sub-pixel.

Abstract: A display device may include a substrate, pixels disposed on the substrate, each of the pixels including a first electrode, a second electrode, and a plurality of light emitting elements electrically connected between the first and the second electrodes, and a first oscillator disposed on the substrate and electrically connected to a first electrode of a first pixel of the pixels, the first oscillator including at least one transistor and at least one capacitor.

Abstract: Disclosed herein is to a display device with high resolution of display image and low current consumption. In the display device of the disclosure, the activation width of a modulation signal that causes a current to flow in a light emitting element of a display panel, reflects an activation width of a micro response signal that can be divided into a short unit time. Accordingly, the light emitting element that emits light with a brightness corresponding to the activation width of the modulation signal, can implement a high-resolution display image. The micro modulation part that includes a high frequency clock generating unit and a micro modulation unit, is disabled in a subframe in which the micro response signal is inactivated. Therefore, according to the display device of the disclosure, current consumption can be reduced with maintaining a high resolution of a display image.

Abstract: A display apparatus includes a display panel including a plurality of pixels, a data modulator configured to modulate input image data with reference to a gray offset to output modulated image data, a gamma voltage generator configured to output gamma compensation voltages including a plurality of gamma reference tap voltages, and a digital-to-analog converter configured to map the modulated image data to the gamma compensation voltages to output data voltages which are to be input to the plurality of pixels, wherein the gray offset has different magnitudes in a plurality of gray levels.

Abstract: Disclosed is a display device including a display panel. The device includes a reference voltage generator, a controller, and a data driver. The controller is configured to receive an input image signal and a dimming value, convert the dimming value into the dimming control signal, and convert the input image signal into image data. The reference voltage generator is configured to receive the dimming control signal and output a correction reference voltage by correcting at least one of a first gamma reference voltage and a second gamma reference voltage based on the dimming control signal. The data driver is configured to receive the correction reference voltage, generate gamma voltages based on the correction reference voltage, convert the image data into data voltages based on the gamma voltages, and output the data voltages to a display panel with pixels.

Abstract: In order to prevent a rapid decrease in luminance of a screen as an average picture level (APL) increases, a display device for controlling luminance of an image through a peak luminance control (PLC) curve may comprise a display unit and a controller configured to obtain a first average picture level (APL) of a first image, to determine whether a second APL of a second image is increased compared to the first APL as the first image is switched to the second image, and to control image quality of the second image to reduce an output level of the second image when the second APL is increased compared to the first APL.

Abstract: A display apparatus includes a display panel, a driving controller and a data driver. The driving controller is configured to predict a panel temperature according to a position in the display panel based on input image data, to calculate a block current of a display block of the display panel and a panel resistance according to the position in the display panel based on the panel temperature, to calculate a voltage drop according to the position in the display panel based on the block current and the panel resistance and to compensate the input image data based on the voltage drop to generate a data signal. The data driver is configured to convert the data signal to a data voltage and to output the data voltage to the display panel.

Abstract: An organic light-emitting display device comprises a first thin-film transistor disposed on a substrate; and a second thin-film transistor disposed on the substrate and spaced apart from the first thin-film transistor. The first thin-film transistor comprises a first semiconductor layer, a first conductive layer disposed on the first semiconductor layer and that overlaps the first semiconductor layer, and a first insulating layer disposed between the first semiconductor layer and the first conductive layer. The second thin-film transistor comprises a second semiconductor layer, and a second conductive layer disposed on the second semiconductor layer and that overlaps the second semiconductor layer.

Abstract: The present disclosure discloses a display device and a driving method of the display device. The display device includes a display panel for displaying an image, a driver for driving the display panel, a controller for controlling the driver, and a duty cycle controller for defining an unknown area in which vertical resolution information is not known and a known area in which the vertical resolution information is known within one frame when a driving frequency of the display panel is changed, and varying a duty cycle for driving the known area.

Abstract: An emission driver includes a plurality of stages. A stage of the plurality of stages receives a start signal, a first clock signal, a second clock signal, a protection signal, a first gate power voltage and a second gate power voltage and outputs an emission signal. The stage of the plurality of stages includes a pull-up switching element connected between a first gate power voltage terminal which receives the first gate power voltage and an emission signal output terminal which outputs the emission signal, a pull-down switching element connected between a second gate power voltage terminal which receives the second gate power voltage and the emission signal output terminal and a protection switching element which applies the first gate power voltage to a control electrode of the pull-down switching element in response to the protection signal.

Abstract: A pixel circuit and a display device including the same are disclosed. The pixel circuit includes a driving element including a first electrode connected to a first node to which a pixel driving voltage is applied, a gate electrode connected to a second node, and a second electrode connected to a third node, and configured to supply an electric current to a light emitting element; a first switch element discharging the second node; and a second switch element configured to supply a data voltage to the second node. The light emitting element and the first switch element are commonly connected to a VSS node to which a low-potential power supply voltage is applied.

Abstract: Disclosed is a display device which includes a display panel, a voltage generator, and a driving controller. The voltage generator generates a driving voltage and determines a voltage level of the driving voltage based on a voltage control signal. A current compensator calculates a load based on previous image data and outputs compensation image data with target luminance by compensating for current image data based on the load. The driving controller turns on the current compensator in a normal mode such that an image is displayed with the target luminance, and turns off the current compensator in a setting mode such that an image corresponding to the current image data is displayed with given reference luminance.

Abstract: The present disclosure provides a light-emission control signal generation circuitry, a light-emission control signal generation method and a display device. The light-emission control signal generation circuitry includes a first control node control circuitry, a second control node control circuitry, a first node control circuitry, a second node control circuitry and an output circuitry. The first control node control circuitry is configured to control a potential at a first control node to be a first voltage at a first stage; the second control node control circuitry is configured to control a second control node to be electrically decoupled from the first control node at the first stage; and the output circuitry is configured to generate a light-emission control signal under the control of a potential at a first node and a potential at a second node.

Abstract: A pixel includes: a first transistor including a gate coupled to a first node, a first terminal, and a second terminal coupled to a second node; a first capacitor coupled between the first and second nodes; a second transistor including a gate receiving a first signal, a first terminal coupled to a data line, and a second terminal coupled to the first node; a third transistor including a gate receiving a second signal, a first terminal receiving a reference voltage, and a second terminal coupled to the first node; a fourth transistor including a gate receiving a third signal, a first terminal coupled to the second node, and a second terminal receiving an initialization voltage; a light emitting element including an anode; and a fifth transistor including a gate receiving a fourth signal, a first terminal coupled to the second node, and a second terminal coupled to the anode.

Abstract: The present disclosure relates to a pixel circuit and a method of driving the same, and a display device. A pixel circuit, including: a light emitting device; a driving sub-circuit configured to drive the light emitting device, the driving sub-circuit including a driving transistor configured to generate a driving current flowing through the light emitting device so that the light emitting device emits light; and a reset sub-circuit configured to reset a voltage between a gate electrode and a second electrode of the driving transistor.

Abstract: The present disclosure provides a pixel driving circuit, a display panel, and a display device. The pixel driving circuit includes a first reset transistor connected between a first reset voltage end and a gate electrode of a driving transistor, a first capacitor connected in series between the gate electrode of the driving transistor and one of a source electrode or a drain electrode of the driving transistor, and a second capacitor connected in series between the first capacitor and a second voltage end, thereby reducing an influence of a threshold voltage of the driving transistor on a driving current and ensuring light emission stability of light-emitting devices.

Abstract: A image sticking compensating device according to example embodiments includes a degradation calculator configured to calculate a degradation weight based on input image data, and to calculate degradation data of a frame, an accumulator configured to accumulate the degradation data, and to generate age data using the accumulated degradation data, and a compensator configured to determine a grayscale compensation value corresponding to the age data and an input grayscale of the input image data, and to output age compensation data by applying the grayscale compensation value to the input image data.

Abstract: The present disclosure provides a technology for converting, into digital data, a sensing signal sensed from each pixel of a display panel and compensating for differences between LED elements.

Abstract: A backlight unit, a control method thereof, and a liquid crystal display device are provided. The control method includes following steps: obtaining backlight data corresponding to each of the partitions, the backlight data including multiple bits of data; dividing a frame of a lighting process of each light-emitting unit of the partitions into a plurality of sub-fields having different durations, wherein each of the sub-fields corresponds to one of the bits of data; and outputting the sub-fields having different durations corresponding to each of the partitions in a preset order.

Abstract: The present disclosure relates to a data processing device, a data driving device, and a system for driving a display device, and more particularly, to a data processing device, a data driving device, and a system capable of reducing power consumption of the display device.

Abstract: A display apparatus includes a display panel, a memory, and a driver. The memory stores at least one set of correspondences, and each set of correspondences includes 2N grayscale data and 2N register values in a one-to-one correspondence with the 2N grayscale data; each register value represents a grayscale voltage value of corresponding grayscale data; and N is a positive integer greater than or equal to 6. The driver obtains the at least one set of correspondences from the memory; receives image data from a signal transmission interface, the image data including a plurality of grayscale data corresponding to a plurality of sub-pixels; for any grayscale data in the image data, obtains a register value corresponding to the grayscale data in a set of correspondences; and outputs a grayscale voltage corresponding to a grayscale voltage value represented by the register value to the display panel according to the register value.

Abstract: A scan driver and an organic light emitting display apparatus including the same, where a narrow bezel is realized, are provided. The scan driver includes a plurality of stages, wherein each of the plurality of stages includes a Q1 node controller controlling a voltage of a Q1 node by using first and second clock signals whose phases are opposite to each other, a QB node controller controlling a voltage of a QB node by using the first and second clock signals, an output clock signal, and a start signal, a first transistor outputting a gate low voltage as a scan signal while the QB node is activated, and a second transistor outputting a gate high voltage as the scan signal while a Q2 node is activated, and outputting the gate low voltage as the scan signal when the Q2 node is bootstrapped to a voltage lower than the gate low voltage.

Abstract: A display device includes a light emitting diode electrically connected between a driving voltage line and a common voltage line; a driving transistor electrically connected between the driving voltage line and the light emitting diode; a second transistor electrically connected between a first electrode of the driving transistor electrically connected to the driving voltage line and a data line; a first scan line electrically connected to a gate electrode of the second transistor; a third transistor electrically connected between a second electrode of the driving transistor electrically connected to the light emitting diode and a gate electrode of the driving transistor; and a connection electrode that connects the gate electrode of the driving transistor and the third transistor, wherein at least a part of a contact portion where the connection electrode contacts the third transistor does not overlap the first scan line.

Abstract: The present disclosure relates to an organic light emitting diode display device capable of changing a frame size. The organic light emitting diode display device includes: a display including a panel, a frame memory configured to store image data in units of frames, and a timing controller configured to control the panel to display an image based on the image data stored in the frame memory; a memory configured to store information of the panel; and a controller configured to, when operating in a preset image mode, change a frame size, which is a size of the image data stored in the frame memory, based on the information of the panel.

Abstract: An OLED display system is provided having visual performance pixel compensation for loss of brightness, including display pixels, where each display pixel has OLED subpixels and pixel drive circuitry; a sensing system having sensors and analog to digital conversion circuitry connected to each of the sensors, and a processor to provide an image data drive signal to each of the display pixels, receive the sensor signal from the ADC circuitry for each sensor, estimate a state of degradation of at least one of the display pixels, determine a drive-signal compensation for each display pixel having an estimated state of degradation and compensate the image data drive signal to each display pixel having an estimated state of degradation. Methods for compensating pixels for an image in a display are also provided.

Abstract: A display panel, a display device and a method for driving a display panel are provided. The display panel includes N types of display areas which includes an i-th type display area and a j-th type display area. The display panel includes M display parts which include a first display part and a second display part. The first display part includes at least one i-th type display area, and the second display part includes at least one i-th type display area. At least one j-th type display area is arranged between the i-th type display area included in the first display part and the i-th type display area included in the second display part. Light-emitting time periods of the i-th type display area and the j-th type display area at least partially do not overlap, to reduce the number of sub-pixels driven at the same time period.

Abstract: A method for control of a pixel array based on a temperature estimate is provided. A method includes sampling an anode voltage of each LED of a plurality of pixels resulting in sampled voltages, determining an average voltage based on the sample voltages, and determining a total voltage to provide to the pixels based on the average voltage and voltage data from a memory coupled to the controller, the voltage data including one or more of a 3-sigma value, a driver headroom value, a resistance value, or a k-factor value.

Abstract: The present disclosure relates to a pixel sensing circuit which extends an operation section of an integrator by using an additional signal and allows securing a time required for a stable output of a sensing voltage.