Abstract: The present invention provides a display device and a method of driving the same.

Abstract: The present invention provides a display device and a method of driving the same.

Abstract: A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.

Abstract: A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.

Abstract: A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.

Abstract: A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.

Abstract: A driving apparatus resets driving circuits provided therein after an internal supply voltage reaches a sufficient voltage level. The driving apparatus includes a reset signal generator that resets the driving circuits when the internal supply voltage exceeds the external supply voltage in a rising period of the internal supply voltage. Accordingly, the driving circuits may be prevented from being reset before the internal supply voltage reaches the sufficient voltage level, thereby preventing an abnormal operation of the driving circuits.

Abstract: The present invention relates to a display device and a driving method thereof. The display device includes a light emitting device, a capacitor connected between a first electrical contact and a second electrical contact, a driving transistor, a switching transistor being controlled by a scanning signal to be connected between a data voltage and the first electrical contact, a first compensation transistor being controlled by a first compensation signal to be connected between the first electrical contact and a first voltage, and a second compensation transistor being controlled by a second compensation signal to be connected between the second electrical contact and a second voltage. The driving transistor includes an input terminal that is connected to a driving voltage, an output terminal that is connected to the second electrical contact, and a control terminal that is connected to the first electrical contact.

Abstract: A display device includes a light emitting element, a capacitor, a driving transistor, and first to third switching units. The capacitor is connected between a first node and a second node. The driving transistor has an input terminal connected with a first voltage, an output terminal, and a control terminal connected with the second node, and it outputs a driving current to the light emitting element. The first switching unit selects and connects one of a data voltage and a second voltage to the first node. The second switching unit switches a connection between the second voltage and the second node. The third switching unit selects and connects one of the second node and the light emitting element to the output terminal of the driving transistor.

Abstract: A display panel includes a gate line dividing a pixel region into a first region and a second region and including a gate electrode, a data line crossing the gate line and including a source electrode, a thin film transistor connected to the gate line and the data line and including the gate electrode, the source electrode, and a drain electrode facing the source electrode, a protective layer disposed on the thin film transistor and comprising a first contact hole and a second contact hole, and first and second sub-pixel electrodes disposed on the first and second regions of the divided pixel region, respectively. The drain electrode is directly connected to the first sub-pixel electrode through the first contact hole, and the drain electrode is directly connected to the second sub-pixel electrode through the second contact hole.

Abstract: A light sensing circuit includes a sensor unit, a voltage generator and a readout circuit. The sensor unit includes a first sensor that detects an external light to output a first current value, a third sensor that detects an internal light generated from the backlight unit to output a third current value, and a second sensor that detects a peripheral light isolated from the external light and the internal light to output a second current value. The sensor unit outputs a first differential value between the third current value and the second current value and a second differential value between the first current value and the second current value. The voltage generator generates a reference voltage based on the first differential value and a sensing voltage based on the second differential value. The readout circuit outputs brightness information of the external light using the reference voltage and the sensing voltage.

Abstract: Disclosed are an organic light emitting display and a method of manufacturing the same. The organic light emitting includes a first substrate, a first electrode, an organic light emitting layer, and a second electrode. The first substrate includes a pixel region showing an image and a peripheral region surrounding the pixel region. The first electrode is formed in the pixel region of the first substrate. The organic light emitting layer is formed on the first electrode. The second electrode is formed on the organic light emitting layer and extends to the peripheral region. An auxiliary electrode is formed on the second electrode to contact the second electrode on an entire surface of the first substrate, thereby applying a voltage having the same voltage level as that of the second electrode.

Abstract: A driving apparatus for a display device includes a gray voltage generator that generates a plurality of gray voltage sets, each including a plurality of gray voltages having different levels, and a signal converter that includes a first selector for selecting one gray voltage set among the plurality of gray voltage sets on the basis of a first portion of an image signal and a second selector for selecting one or more gray voltages among the plurality of gray voltages belonging to the selected gray voltage set on the basis of a second portion of the image signal to output and select gray voltages with a smaller size digital-analog converter.

Abstract: Provided are an illumination sensing apparatus, a driving method thereof and a display device having the illumination sensing apparatus. The illumination sensing apparatus includes an illumination sensor unit configured to generate a sensing signal according to peripheral illumination, an illumination determination unit configured to generate an illumination signal according to the sensing signal, and an illumination judgment unit configured to output a brightness select signal using the illumination signal, wherein the illumination sensor unit controls sensitivity of sensing the peripheral illumination to be varied according to the brightness select signal. Therefore, the sensitivity of an illumination sensor is automatically controlled according to the peripheral illumination, thus improving peripheral illumination sensibility.

Abstract: A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor.

Abstract: A display panel includes a power line supplying power, and a plurality of pixels connected with the power line, each pixel including a plurality of sub-pixel regions, and receiving the power to display an image. Each of the pixels further includes a plurality of driving thin film transistors and a plurality of light emitting units. Each of the driving thin film transistors are positioned in respective sub-pixel regions to receive the power to output driving signals. Each of the light emitting units are connected to respective driving thin film transistors, have relatively longer lengths in a first direction, and have the same width in a second direction substantially perpendicular to the first direction. One among the plurality of light emitting units is longer than the remaining light emitting units to thereby improve a light emitting efficiency and image display quality of a display panel.

Abstract: Disclosed are an organic light emitting display and a method of manufacturing the same. The organic light emitting includes a first substrate, a first electrode, an organic light emitting layer, and a second electrode. The first substrate includes a pixel region showing an image and a peripheral region surrounding the pixel region. The first electrode is formed in the pixel region of the first substrate. The organic light emitting layer is formed on the first electrode. The second electrode is formed on the organic light emitting layer and extends to the peripheral region. An auxiliary electrode is formed on the second electrode to contact the second electrode on an entire surface of the first substrate, thereby applying a voltage having the same voltage level as that of the second electrode.

Abstract: The present invention provides a display device and a method of driving the same.

Abstract: A light sensing circuit includes a sensor unit, a voltage generator and a readout circuit. The sensor unit includes a first sensor that detects an external light to output a first current value, a third sensor that detects an internal light generated from the backlight unit to output a third current value, and a second sensor that detects a peripheral light isolated from the external light and the internal light to output a second current value. The sensor unit outputs a first differential value between the third current value and the second current value and a second differential value between the first current value and the second current value. The voltage generator generates a reference voltage based on the first differential value and a sensing voltage based on the second differential value. The readout circuit outputs brightness information of the external light using the reference voltage and the sensing voltage.

Abstract: The present invention relates to a display device and a driving method thereof. The display device includes a light emitting device, a capacitor connected between a first electrical contact and a second electrical contact, a driving transistor, a switching transistor being controlled by a scanning signal to be connected between a data voltage and the first electrical contact, a first compensation transistor being controlled by a first compensation signal to be connected between the first electrical contact and a first voltage, and a second compensation transistor being controlled by a second compensation signal to be connected between the second electrical contact and a second voltage. The driving transistor includes an input terminal that is connected to a driving voltage, an output terminal that is connected to the second electrical contact, and a control terminal that is connected to the first electrical contact.