Abstract:
There is provided an organic light emitting display device capable of reducing power consumption by adjusting a voltage according to an input image and deterioration of the organic light emitting display device and a method of driving the same.
Abstract:
A power voltage generator includes an analog reference voltage generator configured to generate an analog reference voltage based on a first input voltage, a resistance string configured to generate distribution voltages by performing voltage distribution on the analog reference voltage, a decoding unit configured to generate reference voltages by decoding the distribution voltages, and a regulator unit configured to generate driving voltages based on the reference voltages.
Abstract:
A signal generator may include a reference horizontal synchronization signal generation block which generates reference horizontal synchronization signals based on a number of clock signals per a horizontal time, a frame clock calculation block which calculates a first frame clock number based on a number of the clock signals per the horizontal time, a frame clock comparation block which calculates a clock offset by comparing the first frame clock number and a second frame clock number generated based on a number of the clock signals per a frame time, a clock distribution block which generates horizontal synchronization signals by distributing a number of the clock signals corresponding to the clock offset to the reference horizontal synchronization signals, and a vertical synchronization signal generation block which generates a vertical synchronization signal based on the horizontal synchronization signals.
Abstract:
A pixel capable of minimizing power consumption is disclosed. In one embodiment, the pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current supplied from a first power supply to the OLED to correspond to a voltage applied to a first node, and a second transistor and a third transistor coupled between a second node electrically coupled to a data line and the first node in parallel in a period where a scan signal is supplied.
Abstract:
A data driver includes output channels configured to output data signals, output controllers selectively outputting data signals having a first arrangement or data signals having a second arrangement to output channel groups each of which includes N output channels in response to arrangement control signals, where N is a positive integer greater than or equal to 2, and a control signal generator outputting the arrangement control signals to the output controllers to control the output controllers.
Abstract:
A display device includes a plurality of pixel rows including a plurality of pixel circuits; a scan driver supplying scan signals to the plurality of pixel rows; and a data driver supplying a data voltage to the plurality of pixel circuits of the plurality of pixel rows, wherein the plurality of pixel circuits each include driving transistors and an organic light emitting diode which emit light depending on a current flowing in the driving transistors, the plurality of pixel rows are divided into a plurality of blocks, each of the blocks including at least one pixel row, and a period for which the data voltage is written in the plurality of pixel circuits in a first block among the plurality of blocks and a period for which a threshold voltage of the driving transistors of the plurality of pixel circuits in a second block temporally close to the first block is compensated partially overlap each other.
Abstract:
A display device includes a plurality of pixel rows including a plurality of pixel circuits; a scan driver supplying scan signals to the plurality of pixel rows; and a data driver supplying a data voltage to the plurality of pixel circuits of the plurality of pixel rows, wherein the plurality of pixel circuits each include driving transistors and an organic light emitting diode which emit light depending on a current flowing in the driving transistors, the plurality of pixel rows are divided into a plurality of blocks, each of the blocks including at least one pixel row, and a period for which the data voltage is written in the plurality of pixel circuits in a first block among the plurality of blocks and a period for which a threshold voltage of the driving transistors of the plurality of pixel circuits in a second block temporally close to the first block is compensated partially overlap each other.
Abstract:
There is provided an organic light emitting display device capable of reducing power consumption by adjusting a voltage according to an input image and deterioration of the organic light emitting display device and a method of driving the same.
Abstract:
A pixel capable of minimizing power consumption is disclosed. In one embodiment, the pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current supplied from a first power supply to the OLED to correspond to a voltage applied to a first node, and a second transistor and a third transistor coupled between a second node electrically coupled to a data line and the first node in parallel in a period where a scan signal is supplied.