Abstract: An over-driving method and apparatus for a display device, a display device, an electronic device, and a storage medium are provided. The display device includes a plurality of pixels, and the plurality of pixels are arranged in a plurality of rows and a plurality of columns as an array. The method includes: obtaining an initial compensation parameter according to a first average brightness level and a second average brightness level of a row of pixels; obtaining a first gain coefficient according to a value of a target pixel in the current frame and the second average brightness level corresponding to the row in which the target pixel is located, the target pixel being one pixel in the row of pixels; and obtaining a target compensation parameter of the target pixel according to the initial compensation parameter and the first gain coefficient.

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 a display panel including a plurality of pixels each having an organic light emitting element that emits light according to a current corresponding to a data voltage, and a panel driver configured to divide the display panel into first to Mth blocks, calculate an average picture level of each block from data to be displayed in each of the plurality of pixels of each block, convert the data to be displayed by each of the plurality of pixels of each block into the data voltage, and supply the data voltage to each of the plurality of pixels of each block, where the panel driver controls the data voltage to be supplied to an ith block on the basis of the average picture levels of M number of blocks previous to the ith block, where i is a natural number from 1 to M.

Abstract: An organic light-emitting display device includes: an organic light-emitting panel in which a plurality of pixel regions are arranged, the pixel regions each including a drive transistor configured to drive an organic light emission element and a sensing transistor configured to detect a threshold voltage of the drive transistor during a sensing interval; and a controller configured to compare a pixel number of a low grayscale range and a pixel number of a high grayscale range, which are obtained from an image signal, and adjust the sensing interval according to a compared resultant.

Abstract: There are provided a light emitting display comprising at least a light emitting unit comprising at least two light emitting diodes which are electrically connected to the same driving unit to emit light, and a plurality of voltage sources whereby one voltage source supplies a voltage different from the other voltage(s) supplied from the other voltage source(s) to each of the light emitting diodes.

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 a display panel including a plurality of pixels each having an organic light emitting element that emits light according to a current corresponding to a data voltage, and a panel driver configured to divide the display panel into first to Mth blocks, calculate an average picture level of each block from data to be displayed in each of the plurality of pixels of each block, convert the data to be displayed by each of the plurality of pixels of each block into the data voltage, and supply the data voltage to each of the plurality of pixels of each block, where the panel driver controls the data voltage to be supplied to an ith block on the basis of the average picture levels of M number of blocks previous to the ith block, where i is a natural number from 1 to M.

Abstract: An organic electro luminance display device according to the present invention comprises a plurality of gate lines and data lines to define a plurality of pixels and a plurality of power lines to apply a signal to the pixels; a data driving unit for supplying the signal to the data line; an emitting unit at each pixel to emit; a first thin film transistor at each pixel, the first thin film transistor being turned on by the signal inputted through the gate line; a second thin film transistor at each pixel, the second thin film transistor being turned on to apply the signal to the emitting signal through the power line when the first thin film transistor is turned on; a ground terminal voltage controlling unit for controlling a first ground terminal voltage and a second ground terminal voltage to determine respectively the voltage output from the data driving unit and the voltage applied to the emitting unit according to the first ground terminal voltage and the second ground terminal voltage, wherein the secon

Abstract: Disclosed are an apparatus and method for driving an organic light emitting display device. The driving apparatus includes a display panel, a data converter, a timing controller, and a panel driver. The data converter gamma-corrects three-color input data having red, green, and blue, performs color coordinate conversion based on the gamma-corrected blue data to generate three-color conversion data and a color gamut determination signal, inversely gamma-corrects the three-color conversion data, and generates four-color image data to be supplied to a unit pixel according to the color gamut determination signal on the basis of the three-color input data and the inversely gamma-corrected three-color conversion data.

Abstract: A line-on-glass liquid crystal display device includes data lines for supplying data signals to drive sub-pixel units on a substrate, gate lines for supplying gate signals, and a gate low voltage stabilization circuit connected to a gate low voltage line from a data printed circuit board for applying a gate low voltage signal to the sub-pixel units.

Abstract: An organic electroluminescent display device includes: a plurality of sub-pixels in a matrix form along a plurality of row and column lines and each including a light emitting diode; first and second driving transistors in the sub-pixel, connected in parallel with each other, and connected to the organic light emitting diode; first and second switching transistors in the sub-pixel, and connected to the first and second driving transistors, respectively; first and second gate lines along the row line and connected to the first and second switching transistors, respectively; and a data selecting portion selecting a refresh data or an image data, wherein the data selecting portion selects one of the refresh data and the image data when the first switching transistor is turned on, and selects the other one of the refresh data and the image data when the second switching transistor is turned on, and wherein the plurality of sub-pixels include sub-pixels an input sequence of the refresh data and the image data to w

Abstract: The present invention relates to a method for properly controlling the drive current when driving an Active Matrix OLED (AMOLED) in order to prevent the brightness from being changed due to temperature changes in a panel or the performance deterioration of the OLED. The present invention comprises: an OLED (organic light emitting diode) panel that displays an image; pixel driving circuit including: a drive current control unit that outputs a current control signal corresponding to a detected current supplied to the OLED panel; and a comparator that compares the current control signal with a power supply voltage and outputs a bias voltage; and a transistor that receives the power supply voltage and that supplies a drive current to the OLED panel corresponding to the bias voltage.

Abstract: An organic electroluminescent display device includes a display panel that includes sub-pixels which include organic light emitting diodes, respectively, to display a frame image made by image data by every frame; a data drive IC that outputs data voltages to the sub-pixels, respectively, by every frame, wherein the data voltages correspond to the image data, respectively; a current detecting portion that detects a first panel current, and generates a first comparison value corresponding to the first panel current; a current estimating portion that estimates a second panel current from the image data of the frame and generates a second comparison value corresponding to the second panel current; and a brightness control portion that compares the first and second comparison values and adjusts a brightness of a frame image after the frame according to the comparison result.

Abstract: An organic light-emitting display device includes: an organic light-emitting panel in which a plurality of pixel regions are arranged, the pixel regions each including a drive transistor configured to drive an organic light emission element and a sensing transistor configured to detect a threshold voltage of the drive transistor during a sensing interval; and a controller configured to compare a pixel number of a low grayscale range and a pixel number of a high grayscale range, which are obtained from an image signal, and adjust the sensing interval according to a compared resultant.

Abstract: An electro-luminescence display having a plurality of pixels is disclosed. One of the pixels of the electro-luminescence display includes an electro-luminescence diode electrically connected between first and second voltage sources; first and second thin film transistors adjusting an amount of current flowing to the electro-luminescence diode; and a control circuit complementarily operating the first and second thin film transistors in an active mode and a refresh mode.

Abstract: An organic electroluminescent display device includes an organic light-emitting diode, a first transistor outputting a data voltage by an nth scan signal (n is a natural number), a second transistor providing a current to the organic light-emitting by the data voltage, a capacitor storing the data voltage, and a third transistor supplying the second transistor and the capacitor with a pre-charge voltage by an (n?1)th scan signal, the pre-charge voltage having an opposite polarity to the data voltage.

Abstract: An electro-luminescence display having a plurality of pixels is disclosed. One of the pixels of the electro-luminescence display includes an electro-luminescence diode electrically connected between first and second voltage sources; first and second thin film transistors adjusting an amount of current flowing to the electro-luminescence diode; and a control circuit complementarily operating the first and second thin film transistors in an active mode and a refresh mode.

Abstract: Disclosed are an apparatus and method for driving an organic light emitting display device. The driving apparatus includes a display panel, a data converter, a timing controller, and a panel driver. The data converter gamma-corrects three-color input data having red, green, and blue, performs color coordinate conversion based on the gamma-corrected blue data to generate three-color conversion data and a color gamut determination signal, inversely gamma-corrects the three-color conversion data, and generates four-color image data to be supplied to a unit pixel according to the color gamut determination signal on the basis of the three-color input data and the inversely gamma-corrected three-color conversion data.

Abstract: An electro-luminescence display having a plurality of pixels is disclosed. One of the pixels of the electro-luminescence display includes an electro-luminescence diode electrically connected between first and second voltage sources; first and second thin film transistors adjusting an amount of current flowing to the electro-luminescence diode; and a control circuit complementarily operating the first and second thin film transistors in an active mode and a refresh mode.

Abstract: An organic light emitting diode display for removing a voltage which is charged into a gate electrode of a driving transistor before a current frame is changed to a next frame is disclosed. In the organic light emitting diode display, a display panel has a plurality of pixels that include an organic light emitting diode. A timing controller controls a driving timing of the inputted video data and controls a supply timing of a refresh voltage. A data driver converts a digital data which is outputted from the timing controller for a current frame into an analog data voltage to supply it to the pixels, and then supplies the refresh voltage to pixels which are selected among the pixels in accordance with a control of the timing controller.