Abstract:
A display device, system having the same, and pixel are disclosed. In one aspect, the display device includes a display panel including a plurality of pixels and a plurality of wireless power receivers. The display device also includes a wireless power transmitter configured to generate and wirelessly transmit power to the wireless power receivers. Each of the wireless power receivers is configured to wirelessly receive the power from the wireless power transmitter and provide a first power supply voltage to the pixels. The display device further includes a power supply configured to generate an initial power supply voltage and provide the initial power supply voltage to the wireless power transmitter.
Abstract:
A pixel circuit includes an organic light emitting diode including an anode and a cathode connected to a low power voltage, a first transistor including a gate electrode, a first electrode connected to a high power voltage, and a second electrode connected to the anode, a storage capacitor connected between the high power voltage and the gate electrode of the first transistor, a second transistor including a first electrode which receives a data signal corresponding to an emission sustaining voltage or an emission finishing voltage, a second electrode connected to the gate electrode of the first transistor, and a gate electrode which receives an erase scan signal, and a third transistor including a first electrode connected to an emission starting voltage, a second electrode connected to the gate electrode of the first transistor, and a gate electrode which receives a write scan signal.
Abstract:
A display device includes: a plurality of pixels; a degradation compensator for using a temperature weight value for a reference temperature, a luminance weight value for a reference luminance, and a material weight value for a reference material, for calculating a reference using time when a degradation rate of the pixels is changed to a reference degradation rate of a reference degradation curve, and for generating a control variable according to the reference using time; and a power supply for controlling a voltage difference between a first power source voltage for supplying a driving current to the pixels and a second power source voltage according to the control variable.