Abstract: Disclosed is a display device including a display panel including subpixels, and a data driver connected to the display panel, wherein the data driver outputs data voltages for displaying an image on the basis of the subpixels during a driving period of the display panel, and outputs a first data voltage, a second data voltage having a level different from the first data voltage, and a third data voltage having a level different from the second data voltage during a sensing period of the display panel.

Abstract: An electroluminescent display apparatus includes a display panel including a plurality of pixels configuring a screen, a host system configured to output a first enable signal toggled based on an input of a power-off command signal and a second enable signal toggled based on an input of a power-on command signal, and a timing controller configured to change a display mode, which is for displaying an input image on the screen of the display panel, to an off sensing mode for sensing an electrical characteristic value of each of the plurality of pixels, based on the first enable signal, and activate a quick start mode for stopping the off sensing mode and shortening a restart time of the display mode when the second enable signal is input while the off sensing mode is being performed.

Abstract: A frequency variable display apparatus includes a display panel where a plurality of pixels are provided, an image analyzer configured to analyze image data, which is to be written in the plurality of pixels, to determine whether a frame image implemented in the display panel is a still image or a moving image, and a first controller configured to fix a variable frame frequency, varying within a certain frequency range, to one reference frame frequency of the certain frequency range and implement a real-time sensing & compensation operation in a vertical blank period of a fixed frame time, while the still image is being implemented in the display panel, wherein a length of the vertical blank period of the fixed frame time is longer than or equal to a minimum desired time needed for the real-time sensing and compensation operation.

Abstract: A data processing method and an apparatus for an organic light emitting diode (OLED) display device are provided.

Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.

Abstract: An organic light-emitting display device includes: an organic light-emitting panel defined into a plurality of pixel regions which each includes a drive transistor configured to drive an organic light emission element and a load capacitor configured to charge a threshold voltage of the drive transistor; and a controller configured to calculate an offset information on the basis of the threshold voltage and derive a second image signal by reflecting the offset information to a first image signal.

Abstract: Disclosed is an organic light emitting display device and a method for driving the same to prevent luminance variations caused by degradation variations, and to prevent picture quality from being deteriorated by residual images caused by the luminance variations. The device includes a display panel having a plurality of sub-pixels, each sub-pixel having an organic light emitting diode; a memory which stores accumulated data of each sub-pixel therein; and a panel driver which accumulates input data of each sub-pixel every accumulation period, stores the accumulated data in the memory, generates a degradation compensation gain value of each sub-pixel, generates modulated data of each sub-pixel by modulating the input data of each sub-pixel in accordance with the degradation compensation gain value of each sub-pixel, converts the modulated data into the data voltage, and supplies the data voltage to each sub-pixel.

Abstract: An organic light-emitting display device includes: an organic light-emitting panel defined into a plurality of pixel regions which each includes a drive transistor configured to drive an organic light emission element and a load capacitor configured to charge a threshold voltage of the drive transistor; and a controller configured to calculate an offset information on the basis of the threshold voltage and derive a second image signal by reflecting the offset information to a first image signal.

Abstract: An organic light-emitting display device includes: an organic light-emitting panel defined into a plurality of pixel regions which each includes a drive transistor configured to drive an organic light emission element and a load capacitor configured to charge a threshold voltage of the drive transistor; and a controller configured to calculate an offset information on the basis of the threshold voltage and derive a second image signal by reflecting the offset information to a first image signal.

Abstract: A data processing method and an apparatus for an organic light emitting diode (OLED) display device are provided.

Abstract: Disclosed is a light emitting display device capable of minimizing deviation of current driving capability between driving switching devices of respective pixels, thereby achieving enhanced screen quality. A method of driving the light emitting display device includes sensing the threshold voltage and mobility of driving Thin Film Transistor (TFT) of each pixel through each data line or each power line using a first sensing voltage; correcting an error of the mobility between the driving TFTs by again sensing the mobility of the driving TFT of each pixel through each data line or each power line using a second voltage; and compensating for video data to be displayed on a display panel using the threshold voltage and the corrected mobility.

Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.

Abstract: Disclosed is an organic light emitting display device and a method for driving the same to prevent luminance variations caused by degradation variations, and to prevent picture quality from being deteriorated by residual images caused by the luminance variations. The device includes a display panel having a plurality of sub-pixels, each sub-pixel having an organic light emitting diode; a memory which stores accumulated data of each sub-pixel therein; and a panel driver which accumulates input data of each sub-pixel every accumulation period, stores the accumulated data in the memory, generates a degradation compensation gain value of each sub-pixel, generates modulated data of each sub-pixel by modulating the input data of each sub-pixel in accordance with the degradation compensation gain value of each sub-pixel, converts the modulated data into the data voltage, and supplies the data voltage to each sub-pixel.