Abstract: An electroluminescent display apparatus includes a display panel including first and second pixel, a data voltage supply unit supplying the first pixel with a first data voltage of a first gate signal and supplying the second pixel with a second data voltage of a second gate signal in a vertical active period of a first frame and continuously supplying the second pixel with a sensing data voltage and a recovery data voltage of a third gate signal in a vertical blank period of the first frame, and a sensing circuit sensing an electrical characteristic of the second pixel based on the sensing data voltage in the vertical blank period. The recovery data voltage is supplied to the second pixel later than the sensing data voltage. The recovery data voltage supplied to the second pixel in the vertical blank period includes the first and second data voltages.

Abstract: A display device according to an embodiment of the specification includes a display panel including a pixel including a driving element and a light emitting device; a host system configured to render image data, which is to be applied to the pixel, change a length of a vertical blank period, and output a rendering completion signal prior to outputting the rendered image data; a timing controller configured to set a sensing period on the basis of the rendering completion signal in the vertical blank period; and a sensing circuit configured to sense an electrical characteristic of the driving element in the sensing period, wherein the sensing period starts at a first timing which is a predetermined time earlier than an end time of the vertical blank period, and a length of the predetermined time is fixed regardless of a length variation of the vertical blank period.

Abstract: An electroluminescent display apparatus may include: a display panel including a pixel; a data voltage supply circuit configured to supply a sensing data voltage to the pixel in a sensing period within a vertical blank period of a first frame, to supply a recovery data voltage to the pixel in a recovery period following the sensing period, and to supply a display data voltage to the pixel in a vertical active period of a second frame following the first frame; and a sensing circuit configured to sense an electrical characteristic of the pixel based on the sensing data voltage in the sensing period within the vertical blank period of the first frame. A level of the display data voltage to be supplied to the pixel in the vertical active period of the second frame may be determined based on a length of the vertical blank period of the first frame.

Abstract: A data driver can include a white data voltage output circuit having an Ath channel for outputting a first white data voltage and a Bth channel for outputting a second white data voltage different from the first white data voltage. The data driver can further include red, green, and blue data voltage output circuits configured to output a red data voltage, a green data voltage, and a blue data voltage, respectively. One of the Ath channel and the Bth channel can operate in a first driving condition, and the Ath channel and the Bth channel can operate together in a second driving condition.

Abstract: A display apparatus includes a display panel including data lines extending in a first direction, gate lines extending in a second direction which differs from the first direction, and unit pixels connected to the data lines and the gate lines, wherein each of the unit pixels includes a white pixel and a plurality of color pixels, an nth white pixel arranged at an nth position among white pixels arranged in the first direction is connected to an odd white data line (where n is an odd number), and an n+1th white pixel arranged at an n+1th position among white pixels arranged in the first direction is connected to an even white data line.

Abstract: An electroluminescent display apparatus includes a display panel including first and second pixel, a data voltage supply unit supplying the first pixel with a first data voltage of a first gate signal and supplying the second pixel with a second data voltage of a second gate signal in a vertical active period of a first frame and continuously supplying the second pixel with a sensing data voltage and a recovery data voltage of a third gate signal in a vertical blank period of the first frame, and a sensing circuit sensing an electrical characteristic of the second pixel based on the sensing data voltage in the vertical blank period. The recovery data voltage is supplied to the second pixel later than the sensing data voltage. The recovery data voltage supplied to the second pixel in the vertical blank period includes the first and second data voltages.

Abstract: An electroluminescent display apparatus includes a display panel including first and second pixel, a data voltage supply unit supplying the first pixel with a first data voltage of a first gate signal and supplying the second pixel with a second data voltage of a second gate signal in a vertical active period of a first frame and continuously supplying the second pixel with a sensing data voltage and a recovery data voltage of a third gate signal in a vertical blank period of the first frame, and a sensing circuit sensing an electrical characteristic of the second pixel based on the sensing data voltage in the vertical blank period. The recovery data voltage is supplied to the second pixel later than the sensing data voltage. The recovery data voltage supplied to the second pixel in the vertical blank period includes the first and second data voltages.

Abstract: An electroluminescent display apparatus includes a display panel including first and second pixel, a data voltage supply unit supplying the first pixel with a first data voltage of a first gate signal and supplying the second pixel with a second data voltage of a second gate signal in a vertical active period of a first frame and continuously supplying the second pixel with a sensing data voltage and a recovery data voltage of a third gate signal in a vertical blank period of the first frame, and a sensing circuit sensing an electrical characteristic of the second pixel based on the sensing data voltage in the vertical blank period. The recovery data voltage is supplied to the second pixel later than the sensing data voltage. The recovery data voltage supplied to the second pixel in the vertical blank period includes the first and second data voltages.

Abstract: An electroluminescent display apparatus may include: a display panel including a pixel; a data voltage supply circuit configured to supply a sensing data voltage to the pixel in a sensing period within a vertical blank period of a first frame, to supply a recovery data voltage to the pixel in a recovery period following the sensing period, and to supply a display data voltage to the pixel in a vertical active period of a second frame following the first frame; and a sensing circuit configured to sense an electrical characteristic of the pixel based on the sensing data voltage in the sensing period within the vertical blank period of the first frame. A level of the display data voltage to be supplied to the pixel in the vertical active period of the second frame may be determined based on a length of the vertical blank period of the first frame.

Abstract: A data driver can include a white data voltage output circuit having an Ath channel for outputting a first white data voltage and a Bth channel for outputting a second white data voltage different from the first white data voltage. The data driver can further include red, green, and blue data voltage output circuits configured to output a red data voltage, a green data voltage, and a blue data voltage, respectively. One of the Ath channel and the Bth channel can operate in a first driving condition, and the Ath channel and the Bth channel can operate together in a second driving condition.

Abstract: An electroluminescent display apparatus may include: a display panel including a pixel; a data voltage supply circuit configured to supply a sensing data voltage to the pixel in a sensing period within a vertical blank period of a first frame, to supply a recovery data voltage to the pixel in a recovery period following the sensing period, and to supply a display data voltage to the pixel in a vertical active period of a second frame following the first frame; and a sensing circuit configured to sense an electrical characteristic of the pixel based on the sensing data voltage in the sensing period within the vertical blank period of the first frame. A level of the display data voltage to be supplied to the pixel in the vertical active period of the second frame may be determined based on a length of the vertical blank period of the first frame.

Abstract: A display device according to an embodiment of the specification includes a display panel including a pixel including a driving element and a light emitting device; a host system configured to render image data, which is to be applied to the pixel, change a length of a vertical blank period, and output a rendering completion signal prior to outputting the rendered image data; a timing controller configured to set a sensing period on the basis of the rendering completion signal in the vertical blank period; and a sensing circuit configured to sense an electrical characteristic of the driving element in the sensing period, wherein the sensing period starts at a first timing which is a predetermined time earlier than an end time of the vertical blank period, and a length of the predetermined time is fixed regardless of a length variation of the vertical blank period.

Abstract: A display apparatus includes a display panel including data lines extending in a first direction, gate lines extending in a second direction which differs from the first direction, and unit pixels connected to the data lines and the gate lines, wherein each of the unit pixels includes a white pixel and a plurality of color pixels, an nth white pixel arranged at an nth position among white pixels arranged in the first direction is connected to an odd white data line (where n is an odd number), and an n+1th white pixel arranged at an n+1th position among white pixels arranged in the first direction is connected to an even white data line.

Abstract: An electroluminescent display apparatus includes a display panel including first and second pixel, a data voltage supply unit supplying the first pixel with a first data voltage of a first gate signal and supplying the second pixel with a second data voltage of a second gate signal in a vertical active period of a first frame and continuously supplying the second pixel with a sensing data voltage and a recovery data voltage of a third gate signal in a vertical blank period of the first frame, and a sensing circuit sensing an electrical characteristic of the second pixel based on the sensing data voltage in the vertical blank period. The recovery data voltage is supplied to the second pixel later than the sensing data voltage. The recovery data voltage supplied to the second pixel in the vertical blank period includes the first and second data voltages.

Abstract: An electroluminescent display apparatus may include: a display panel including a pixel; a data voltage supply circuit configured to supply a sensing data voltage to the pixel in a sensing period within a vertical blank period of a first frame, to supply a recovery data voltage to the pixel in a recovery period following the sensing period, and to supply a display data voltage to the pixel in a vertical active period of a second frame following the first frame; and a sensing circuit configured to sense an electrical characteristic of the pixel based on the sensing data voltage in the sensing period within the vertical blank period of the first frame. A level of the display data voltage to be supplied to the pixel in the vertical active period of the second frame may be determined based on a length of the vertical blank period of the first frame.

Abstract: An electroluminescent display device includes a display panel including a plurality of pixels each including a light-emitting element driven according to a driving current flowing between a high-level power supply voltage and a low-level power supply voltage, and an EVDD adjustment circuit configured to cut off the high-level power supply voltage for a black period in which emission of light from the light-emitting element stops in one frame such that the high-level power supply voltage is not applied to the pixels.

Abstract: An electroluminescent display device includes a display panel including a plurality of pixels each including a light-emitting element driven according to a driving current flowing between a high-level power supply voltage and a low-level power supply voltage, and an EVDD adjustment circuit configured to cut off the high-level power supply voltage for a black period in which emission of light from the light-emitting element stops in one frame such that the high-level power supply voltage is not applied to the pixels.

Abstract: An electronic device includes a processor configured to control a system, a main memory including a first region configured to store normal data according to a normal operation and a second region configured to store monitoring data, a first cache configured to be activated in response to a monitoring enable signal of the processor and to access the second region, and a second cache configured to load the normal data according to the normal operation of the processor.

Abstract: A display device includes: a display panel having a plurality of sub-pixels sharing a single reference voltage line, each of the sub-pixels comprising a switching transistor, a driving transistor, a sensing transistor, a storage capacitor, and a light-emitting element; a data driver configured to supply a data voltage to the plurality of sub-pixels; a gate driver configured to supply a gate signal to the plurality of sub-pixels; a timing controller configured to control the data driver and the gate driver; and a detector configured to sense a threshold voltage and mobility of the driving transistor to detect if there is a short-circuit between a gate electrode and an output terminal of the driving transistor.

Abstract: A display device includes a display panel having a plurality of gate lines, a plurality of data lines, and a plurality of subpixels; a gate driver circuit driving the plurality of gate lines; a data driver circuit driving the plurality of data lines; and a timing controller controlling signals applied to the gate driver circuit and the data driver circuit, wherein the timing controller controls the data driver circuit for a black data to be applied to at least one of designated subpixels among the plurality of subpixels, and controls the gate driver circuit for a gate signal, which is a signal for sensing a characteristic of a driving transistor of the designated subpixel, to be applied in an interval between times at which the black data are applied, such that the gate signal does not overlap the black data.