Abstract:
A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.
Abstract:
A method of driving a display device includes calculating an average load and an asymmetry by analyzing an input image data, and adjusting at least one of a high data voltage and a low data voltage, which are supplied to a display panel of the display device, based on the average load and the asymmetry.
Abstract:
A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.
Abstract:
A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.
Abstract:
A method of driving a display device includes calculating an average load and an asymmetry by analyzing an input image data, and adjusting at least one of a high data voltage and a low data voltage, which are supplied to a display panel of the display device, based on the average load and the asymmetry.
Abstract:
A display device includes a display panel including a plurality of pixels, a power supply transmitting driving power to the pixels via a power line and stopping transmission of the driving power in response to a crack signal, a panel driver provides a driving signal to the pixels, the driving signal for displaying a black image during a non-emission period of each frame period and displaying a valid image during an emission period of each frame period, and a crack detector senses a current flowing through the power line and conditionally generate the crack signal according to values of the current sensed over M successive frame periods, where M is an integer greater than 1.
Abstract:
A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.
Abstract:
A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.
Abstract:
A method of driving an organic light emitting display device includes performing a digital driving on a display panel supplied with a first power voltage through a first power supply line, generating a target voltage signal of the first power voltage by analyzing input image data provided to the display panel, measuring an output current that flows through the first power supply line, and changing the first power voltage based on a measured output current and the target voltage signal.
Abstract:
A display apparatus includes a display panel, a gate driver, a data driver and a coupling voltage generator. The display panel includes a plurality of pixels. The gate driver provides a gate signal to the display panel. The data driver provides a data voltage to the display panel. The coupling voltage generator provides a coupling voltage to the display panel. The coupling voltage has a plurality of levels.