Lg Display Co., Ltd.

Youngju Park

Sungwook Yoon

Sanghyun Lim

Dohyung Kim

Kiyoung Sung

SeHwan Na

Chungwan Oh

SangHoon Jeong

Sang-Il Shin

Daegyu Jo

ChungWan Oh

Sanghoon Jeong

SangIl Shin

SungWook Yoon

Sehwan Na

Sangil Shin

A display device includes a substrate including a plurality of sub-pixels; a planarization layer disposed on the substrate and including a trench adjacent to the plurality of sub-pixels; a plurality of light emitting elements disposed in the plurality of sub-pixels and sharing an organic layer and a cathode; and an auxiliary electrode disposed in the trench and connected to the cathode. A side surface of the auxiliary electrode has a concave shape. The organic layer has an open portion that is disconnected by the auxiliary electrode. Therefore, it is possible to minimize current leakage through the common layer and prevent an increase in resistance of the cathode by the auxiliary electrode.

Display device including concave shaped auxiliary electrode

An organic light-emitting diode display and a method of manufacturing the same are provided. An organic light-emitting diode display includes a plurality of pixels, each pixel includes an organic light-emitting diode, and the organic light-emitting diode display includes: a substrate, a horizontal line on the substrate, at least one first insulating layer on the horizontal line, a shielding electrode on the at least one first insulating layer, at least one second insulating layer on the shielding electrode, a data line on the at least one second insulating layer, the data line crossing the horizontal line, the shielding electrode overlapping the horizontal line and the data line at a crossing of the horizontal line and the data line, and a constant voltage source connected to the shielding electrode.

Organic light-emitting diode display and method of manufacturing the same

Provided is an electroluminescence display device. The electroluminescence display device includes a display area, a non-display area positioned the outer periphery of the display area, a thin film transistor in the display area, and a power supply line in the non-display area and connected to the thin film transistor. The power supply line includes a first part and a second part separated from each other, and a third part connected to the first part and the second part, and also includes a first layer formed along an edge portion of the power supply line and covering the edge portion of the power supply line.

Electroluminescence display device

In an embodiment, an organic light emitting display device includes a first substrate, a display region, a pad portion, lines, and a moisture-transmission delay layer. The display region includes sub-pixels disposed on the first substrate. The pad portion is disposed on the first substrate and electrically connected to an external device. The lines are disposed between the pad portion and the display region and electrically connected to the external device, and transfer a signal or power to the external device. The moisture-transmission delay layer covers edges of the lines.

Organic light emitting display device including moisture-transmission delay layer which covers edges of lines

A display device, an AOD control method for the same, and a mobile terminal using the same are provided. An event view is displayed on a display panel in a first screen mode, and preset information is displayed on the display panel in a second screen mode. A display position of the information in the second screen mode is changed when the second screen mode is resumed after the first screen mode is finished.

Display device, always-on-display control method and mobile terminal using the same

Disclosed is an Organic Light Emitting Diode (OLED) display including pixels and a shift register for driving transistors arranged in the pixels. The pixels include a first group of pixels disposed on a first row, and a second group of pixels disposed on a second row. The shift register applies a first scan signal to the first group of pixels and the second group of pixels simultaneously. In addition, the shift register applies a second scan signal to the first group of pixels and the second group of pixels sequentially.

Organic light emitting diode (OLED) display

Provided are a pixel, a display device including the same, and a driving method thereof. A pixel includes: an organic light-emitting diode including an anode and a cathode, a first transistor configured to provide a driving current flowing through the organic light emission diode, a second transistor configured to provide data to a gate of the first transistor in response to a scan signal, a capacitor configured to maintain a difference between a voltage level of the data and a threshold voltage of the first transistor, and a third transistor configured to: sense a change of the threshold voltage of the first transistor in response to a sensing signal, and transfer a reference voltage to a node coupled to the anode when the sensing signal is enabled, wherein a level of the reference voltage is lower than a threshold voltage of the organic light-emitting diode.

Pixel, display device including the same, and driving method thereof

Disclosed is an organic light emitting diode (OLED) display including a plurality of pixels, first and second scan signal stages, and emission control signal stages. The pixels are respectively arranged along n number of lines (n is a natural number), and each of the pixels include a first scan transistor, a driving transistor, a second scan transistor, and an emission control transistor. The first scan signal stages output first scan signals sequentially to the first scan transistors. The second scan signal stages output second scan signals sequentially to the second scan transistors. The emission control signal stages output emission control signals having a same phase to emission control transistors of two adjacent horizontal lines.

Organic light emitting diode display

An organic light emitting display, and a driving method thereof are discussed. The organic light emitting display according to an embodiment includes a plurality of pixels sharing a sensing path, a first switch circuit configured to supply a sensing data voltage to the pixels sharing the sensing path through data lines in response to a first scan pulse, a second switch circuit configured to electrically connect an Organic Light Emitting Diode (OLED) of each of the pixels with the sensing path in response to a second scan pulse to simultaneously supply currents of the pixels to the sensing path in a sensing period, and a sensing circuit configured to sense a sensing value through the sensing path. The sensing path includes a reference voltage line connected to the pixels to provide the currents of the pixels to the sensing circuit. The pixels simultaneously sensed by the sensing circuit have a same sensing value.

Organic light emitting display and method of driving the same

An organic light emitting diode display and a method for driving the same are disclosed. The organic light emitting diode display includes a display panel including data lines and gate lines crossing each other, blocks each including a plurality of subpixels, and sensing paths, each of which is shared by the plurality of subpixels included in each block, a data driver supplying a sensing data voltage to each subpixel through the data lines and outputting a sensing value of each block obtained through the sensing path, and a data modulator selecting a compensation value of each block based on the sensing value of each block, modulating data of an input image using the compensation value, and transmitting the modulated data of the input image to the data driver.

Organic light emitting diode display and method for driving the same

An organic light emitting display comprises a display panel having data lines, scan lines, emission signal lines, and pixels. The display also comprises a data driver configured to provide a data voltage corresponding to an input image to one of the data lines connected to a pixel and a gate driver configured to provide an N-th scan pulse to an N-th scan line to charge the pixel with the data voltage during a scan period within a frame period. The display further comprises an emission driver configured to receives shift clocks and the N-th scan pulse from the gate driver to provide an N-th emission control signal to the N-th emission signal line and to control a current path through the OLED based on the N-th emission control signal during a duty driving period following the scan period within a frame period.

Organic light emitting display and driving method thereof

An organic light emitting display is discussed. The organic light emitting display includes a display panel including subpixels; and a driving part for supplying a driving signal to the display panel, wherein, in a first subpixel on an (N-)th line and including a first transistor, and a second subpixel on an Nth line and including a second transistor, which are disposed adjacent to each other, gate electrodes of the first and second transistors are connected to one scan line.

Organic light emitting display having shared scan lines

An organic light emitting display device according to an embodiment includes a display panel including n (n is a natural number) number of horizontal lines, an ith (i is a natural number satisfying a condition of 1&#x3c;i&#x3c;n&#x2212;2) scan signal generating unit and an ith emission control signal generating unit. The ith scan signal generating unit generates an ith scan signal and provides the generated ith scan signal to an ith horizontal line and an (i+2)th horizontal line. The ith emission control signal generating unit generates an ith emission control signal to be provided to the ith horizontal line.

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Seoul, South Korea

Youngju Park