Abstract: An electronic device includes a constant voltage supply unit which receives a first voltage from an external power supply device and generates a second voltage based on the first voltage, a driving circuit which receives the second voltage from the constant voltage supply unit and operates based on the second voltage, and a voltage adjusting unit which generates a control signal to change the first voltage based on the second voltage and a power source current corresponding to the second voltage.

Abstract: A display device includes: a plurality of pixels coupled to data lines and sensing lines; a data driver configured to supply one of an image data signal and a sensing data signal to the data lines; a voltage supply configured to supply an initialization voltage to the pixels through the sensing lines; and a sensing circuit configured to receive a sensing value from at least one of the pixels through the sensing lines, and compare the sensing value with a sensing reference value to generate a sensing voltage control signal to control at least one of the sensing data signal or the initialization voltage.

Abstract: A display device includes a pixel electrically connected to a first gate line and a second gate line and disposed in a first row, a pixel electrically connected to the second gate line and a reset line and disposed in a second row after the first row, a pixel electrically connected to a third gate line and a fourth gate line and disposed in a third row after the second row, and a gate driver supplying first to fourth gate signals to the first to fourth gate lines and supplying a reset signal to the reset line. The gate driver supplies the reset signal and the third gate signal of a same timing during an active period, and supplies the reset signal having a high level and the third gate signal having a low level during a rest period.

Abstract: A display device according to one or more embodiments comprises a flexible display panel, a connection film at least partially overlapping the display panel, and electrically connected to the display panel, source boards at least partially overlapping the connection film, and electrically connected to the connection film, and a flexible printed circuit portion electrically connecting the source boards, and wound or folded on the source boards.

Abstract: A display device includes a display panel including data lines, line capacitors respectively connected to the data lines, and pixels receiving a data voltage from the data lines, and a data driver supplying the data voltage to the pixels through the data lines and supplying different charging voltages respectively to the line capacitors through the data line. The data driver senses voltage change of at least one of the data lines occurring in case that at least one of the line capacitors is charged or discharged.

Abstract: An apparatus for monitoring a fault of a pipe according to an aspect of the present invention includes a processor, and a memory configured to store instructions executed by the processor, wherein the processor generates an ultrasonic guided signal in a pipe through piezoelectric transducers disposed on a circumferential outer surface of the pipe which is a target of which a fault is to be monitored, and monitors a fault of the pipe through signal processing for performing correlation analysis and noise removal on a reflected signal generated by the ultrasonic guided signal being reflected at an arbitrary point of the pipe.

Abstract: A display device includes pixels; a sensing block generating first sensing data during a first sensing period, and generating second sensing data and third sensing data during a second sensing period; and a timing controller compensating first image data with second image data based on the first sensing data, the second sensing data, and the third sensing data. The sensing block generates the first sensing data corresponding to an initial channel voltage applied to each of sensing channels and at least one auxiliary sensing channel during the first sensing period, generates the second sensing data by sensing characteristic information of the pixels corresponding to an initialization voltage applied to the pixels during the second sensing period, and generates the third sensing data corresponding to a reference voltage applied to the at least one auxiliary sensing channel during the second sensing period.

Abstract: A display device according to an embodiment includes a pixel including a light emitting unit, a data driver that supplies a data voltage to the pixel, and a luminance corrector that corrects image data and generates compensation data corresponding to the data voltage. The light emitting unit includes at least one sub element group. The at least one sub element group includes light emitting elements. The luminance corrector extracts a deterioration value of the at least one sub element group and calculates a luminance value of the at least one sub element group according to a number of the light emitting elements included in the at least one sub element group.

Abstract: A display device includes a pixel electrically connected to a first gate line and a second gate line and disposed in a first row, a pixel electrically connected to the second gate line and a reset line and disposed in a second row after the first row, a pixel electrically connected to a third gate line and a fourth gate line and disposed in a third row after the second row, and a gate driver supplying first to fourth gate signals to the first to fourth gate lines and supplying a reset signal to the reset line. The gate driver supplies the reset signal and the third gate signal of a same timing during an active period, and supplies the reset signal having a high level and the third gate signal having a low level during a rest period.

Abstract: A display device includes: a pixel unit including a plurality of pixels; a data driver configured to supply a data voltage to the pixels through data lines based on a source output enable signal; and a reference voltage controller configured to supply a reference voltage to the pixels through reference voltage lines, wherein each of the pixels includes a light emitting element between a first power source line and a second power source line, and wherein the reference voltage controller is configured to compensate for the reference voltage based on the source output enable signal, and to supply a compensated reference voltage to an anode electrode of the light emitting element.

Abstract: A display device includes a display panel including data lines and pixels electrically connected to the data lines. The data driver supplies data signals to the data lines. The data driver includes: a first output buffer electrically connected to a first data line of the data lines, the first output buffer outputting a first data signal to the first data line; and a first comparator electrically connected to an output terminal of the first output buffer, the first comparator comparing a first slew rate of the first data signal with a first reference slew rate.

Abstract: A display device according to one or more embodiments comprises a flexible display panel, a connection film at least partially overlapping the display panel, and electrically connected to the display panel, source boards at least partially overlapping the connection film, and electrically connected to the connection film, and a flexible printed circuit portion electrically connecting the source boards, and wound or folded on the source boards.

Abstract: A flexible film includes first input pad parts and second input pad parts, first output pad parts corresponding to the first input pad parts and second output pad parts corresponding to the second input pad parts, a first voltage line supplying a first voltage received from the first input pad parts to the first output pad parts, and a second voltage line supplying a second voltage received from the second input pad parts and the second voltage being lower than the first voltage to the second output pad parts. The first voltage line includes first vertical voltage lines electrically connected between the first input pad parts and the first output pad parts, and first horizontal voltage lines electrically connecting adjacent first vertical voltage lines of the first vertical voltage lines to each other.

Abstract: A display device may include a display panel including a gate line, a data line, and a pixel electrically connected to the gate line and the data line, where display panel displays an image based on input image data, a gate driver which outputs a gate signal to the gate line, a data driver which outputs a data voltage to the data line, and a power supply voltage generator which provides a driving voltage to the display panel, the gate driver and the data driver. The power supply voltage generator generates a gate clock signal based on an on-clock signal and an off-clock signal and changes a count value of the on-clock signal or the off-clock signal when the gate clock signal is an abnormal signal.

Abstract: A display device includes a display panel including data lines, line capacitors respectively connected to the data lines, and pixels receiving a data voltage from the data lines, and a data driver supplying the data voltage to the pixels through the data lines and supplying different charging voltages respectively to the line capacitors through the data line. The data driver senses voltage change of at least one of the data lines occurring in case that at least one of the line capacitors is charged or discharged.

Abstract: A display device includes a display panel including a pixel including a light emitting element emitting light and electrically connected to a data line and a sensing line, a timing controller varying a driving frequency of the display panel based on an input frequency of digital video data, and a data driver supplying a data voltage to the data line based on the digital video data during a data addressing period of a frame period and receiving a sensing signal from the sensing line during a sensing period. The data driver electrically connects the sensing line to an initialization voltage line during the data addressing period in case that the digital video data is changed, and electrically connects the sensing line to a high impedance during the data addressing period in case that the digital video data is not changed.

Abstract: A display device includes: a pixel unit including a plurality of pixels; a data driver configured to supply a data voltage to the pixels through data lines based on a source output enable signal; and a reference voltage controller configured to supply a reference voltage to the pixels through reference voltage lines, wherein each of the pixels includes a light emitting element between a first power source line and a second power source line, and wherein the reference voltage controller is configured to compensate for the reference voltage based on the source output enable signal, and to supply a compensated reference voltage to an anode electrode of the light emitting element.

Abstract: A display device includes: a plurality of pixels coupled to data lines and sensing lines; a data driver configured to supply one of an image data signal and a sensing data signal to the data lines; a voltage supply configured to supply an initialization voltage to the pixels through the sensing lines; and a sensing circuit configured to receive a sensing value from at least one of the pixels through the sensing lines, and compare the sensing value with a sensing reference value to generate a sensing voltage control signal to control at least one of the sensing data signal or the initialization voltage.

Abstract: A display device according to an embodiment includes a pixel including a light emitting unit, a data driver that supplies a data voltage to the pixel, and a luminance corrector that corrects image data and generates compensation data corresponding to the data voltage. The light emitting unit includes at least one sub element group. The at least one sub element group includes light emitting elements. The luminance corrector extracts a deterioration value of the at least one sub element group and calculates a luminance value of the at least one sub element group according to a number of the light emitting elements included in the at least one sub element group.

Abstract: A display device includes a display panel including data lines and pixels electrically connected to the data lines. The data driver supplies data signals to the data lines. The data driver includes: a first output buffer electrically connected to a first data line of the data lines, the first output buffer outputting a first data signal to the first data line; and a first comparator electrically connected to an output terminal of the first output buffer, the first comparator comparing a first slew rate of the first data signal with a first reference slew rate.