Abstract: The present disclosure relates to an organic light emitting display device which comprises a plurality of sub-pixels each of which comprises an OLED, a driving TFT, a first TFT for applying a data voltage to a gate electrode of the driving TFT, a second TFT for applying a reference voltage to a source electrode of the driving TFT, and a storage capacitor, a data driver for outputting the data voltage to a data line and the reference voltage to a reference line, and a gate driving unit for outputting signals to a first gate line connected to the gate electrode of the first TFT and a second gate line connected to the gate electrode of the second TFT, wherein two adjacent sub-pixels emitting a same color is supplied with the data voltages through different data lines and share the first gate line and the second gate line.

Abstract: An electroluminescent display and a method of sensing electrical characteristics of the electroluminescent display are disclosed. The electroluminescent display includes a display panel including a plurality of pixels, a plurality of gate lines, and a plurality of data lines and a driver integrated circuit connected to the data line through a channel terminal. The driver integrated circuit includes a data voltage generator configured to generate a data voltage to be supplied to the pixel, a first switch connected between the channel terminal and the data voltage generator, a sensor configured to sense electrical characteristics of the pixel, and a second switch connected between the channel terminal and the sensor.

Abstract: A display device includes a plurality of pixels, and a pixel disposed in a n-th pixel line has a light emitting diode, a driving TFT to control a current flowing the light emitting diode, a capacitor connecting a source of the driving TFT and a gate of the driving TFT, a first TFT controlled by a first gate signal which is transferred through a first gate line to connect the gate of the driving TFT to one of data lines, a second TFT controlled by a second gate signal which is transferred through a second gate line to connect the gate of the driving TFT to an initialization voltage, and a third TFT controlled by the second gate signal transferred to a pixel disposed in a (n?1)-th pixel line to connect the source of the driving TFT to a reference voltage, n being a natural number.

Abstract: An electroluminescent display and a method of sensing electrical characteristics of the electroluminescent display are disclosed. The electroluminescent display includes a display panel including a plurality of pixels, a plurality of gate lines, and a plurality of data lines and a driver integrated circuit connected to the data line through a channel terminal. The driver integrated circuit includes a data voltage generator configured to generate a data voltage to be supplied to the pixel, a first switch connected between the channel terminal and the data voltage generator, a sensor configured to sense electrical characteristics of the pixel, and a second switch connected between the channel terminal and the sensor.

Abstract: A display device includes a plurality of pixels, and a pixel disposed in a n-th pixel line has a light emitting diode, a driving TFT to control a current flowing the light emitting diode, a capacitor connecting a source of the driving TFT and a gate of the driving TFT, a first TFT controlled by a first gate signal which is transferred through a first gate line to connect the gate of the driving TFT to one of data lines, a second TFT controlled by a second gate signal which is transferred through a second gate line to connect the gate of the driving TFT to an initialization voltage, and a third TFT controlled by the second gate signal transferred to a pixel disposed in a (n?1)-th pixel line to connect the source of the driving TFT to a reference voltage, n being a natural number.

Abstract: The present disclosure relates to an organic light emitting display device which comprises a plurality of sub-pixels each of which comprises an OLED, a driving TFT, a first TFT for applying a data voltage to a gate electrode of the driving TFT, a second TFT for applying a reference voltage to a source electrode of the driving TFT, and a storage capacitor, a data driver for outputting the data voltage to a data line and the reference voltage to a reference line, and a gate driving unit for outputting signals to a first gate line connected to the gate electrode of the first TFT and a second gate line connected to the gate electrode of the second TFT, wherein two adjacent sub-pixels emitting a same color is supplied with the data voltages through different data lines and share the first gate line and the second gate line.

Abstract: An organic light emitting display includes a display panel including a plurality of pixels, each of the plurality of pixels including an organic light emitting diode (OLED) and a driving thin film transistor (TFT) to control an emission amount of the OLED, the plurality of pixels connected to respective sensing lines; and at least one sensing unit connected to a corresponding one of the pixels through the respective sensing line, the at least one sensing unit configured to sense an amount of carriers accumulated in a parasitic capacitor of the OLED of the corresponding one of the pixels when a driving current flows in the OLED, the at least one sensing unit thereby sensing a degradation of the OLED.

Abstract: Disclosed is an organic light-emitting display device and operating method thereof that may include an organic light-emitting diode, a first transistor controlled by a sensing signal and connected to a data line, a second transistor controlled by a scanning signal and connected to the data line, and a driving transistor having first to third nodes, wherein a reference voltage is applied to the first node through the first transistor, a data voltage is applied to the second node through the second transistor, and the third node is connected to a driving voltage line.

Abstract: A method for sensing degradation of an organic light emitting display includes an initialization step for applying a sensing data voltage to a gate node of a driving TFT and applying an initialization voltage to a source node of the driving TFT, a boosting step for floating the gate node and the source node of the driving TFT and applying a drain-to-source current of the driving TFT to an organic element, a sensing step for again applying the initialization voltage to the source node of the driving TFT, setting a gate-to-source voltage of the driving TFT depending on a degradation degree of the organic element, and storing the drain-to-source current of the driving TFT determined by the set gate-to-source voltage in a line capacitor, and a sampling step for outputting a voltage stored in the line capacitor as a sensing voltage.

Abstract: A method for sensing degradation of an organic light emitting display includes an initialization step for applying a sensing data voltage to a gate node of a driving TFT and applying an initialization voltage to a source node of the driving TFT, a boosting step for floating the gate node and the source node of the driving TFT and applying a drain-to-source current of the driving TFT to an organic element, a sensing step for again applying the initialization voltage to the source node of the driving TFT, setting a gate-to-source voltage of the driving TFT depending on a degradation degree of the organic element, and storing the drain-to-source current of the driving TFT determined by the set gate-to-source voltage in a line capacitor, and a sampling step for outputting a voltage stored in the line capacitor as a sensing voltage.

Abstract: An organic light emitting display includes a display panel including a plurality of pixels, each of the plurality of pixels including an organic light emitting diode (OLED) and a driving thin film transistor (TFT) to control an emission amount of the OLED, the plurality of pixels connected to respective sensing lines; and at least one sensing unit connected to a corresponding one of the pixels through the respective sensing line, the at least one sensing unit configured to sense an amount of carriers accumulated in a parasitic capacitor of the OLED of the corresponding one of the pixels when a driving current flows in the OLED, the at least one sensing unit thereby sensing a degradation of the OLED.

Abstract: Disclosed is an organic light-emitting display device and operating method thereof that may include an organic light-emitting diode, a first transistor controlled by a sensing signal and connected to a data line, a second transistor controlled by a scanning signal and connected to the data line, and a driving transistor having first to third nodes, wherein a reference voltage is applied to the first node through the first transistor, a data voltage is applied to the second node through the second transistor, and the third node is connected to a driving voltage line.