Lg Display Co., Ltd.

JunHyeok Yang

Chanwoo Lee

Sangyun Kim

Yeonjun Oh

Chulwon Lee

Juyoung Noh

Jaehyeong Kim

A display device includes a substrate which includes an active area and a non-active area and is formed of any one of transparent conducting oxide and an oxide semiconductor layer; a gate driver which is disposed in the non-active area on the substrate and includes a Q node; and a Q node shielding layer disposed between the substrate and the Q node.

Display device

A gate driver and a display device comprising the same are discussed. The gate driver can comprise a plurality of stages for individually driving a plurality of gate lines by a combination of a plurality of group signals, a plurality of block signals, and a plurality of clock signals. Each of the plurality of stages driven independently can include an output buffer including a pull-up transistor configured to generate and output a gate-on level of a scan signal under the control of a first node, and a pull-down transistor configured to generate and output a gate-off level of the scan signal under the control of a second node. Each stage can further include a first controller configured to control the first node, and a second controller configured to control the second node to be opposite to the operation of the first node.

Gate driver without using carry signal and display device comprising the same

An organic light emitting display device is disclosed, which may increase sensing accuracy by solving a problem that a difference between sensing data output from sensing units is generated due to a difference in sensing capability between the sensing units. The organic light emitting display device includes a display panel including data lines, scan lines, sensing lines, and pixels connected to the data lines, the scan lines and the sensing lines; a sensing data output unit outputting first sensing data by sensing currents flowing to the sensing lines; a scan driver supplying scan signals to the scan lines; and a source drive integrated circuit (IC) including a data voltage supply unit supplying data voltages to the data lines and a switching unit connecting the sensing lines to the sensing data output unit in a predetermined order.

Organic light emitting display device

Discussed are a current sensing circuit capable of compensating for degradation of an organic light emitting diode by sensing a current of the organic light emitting diode, and an organic light emitting diode display having the same. The current sensing circuit according to an embodiment includes a plurality of sensing modules configured to sense a pixel current from a display panel having an organic light emitting diode on each of a plurality of pixels, and to output a sensing voltage according to a sensing result; and an analog-to-digital converter configured to convert the sensing voltage into an analog-to-digital voltage, and to output sensing data.

Current sensing circuit and organic light emitting diode display including the same

A liquid crystal display comprises: a liquid crystal panel; a panel driver for driving the liquid crystal panel; a backlight unit providing light to the liquid crystal panel, and comprising light emitting sources having light emitting diodes connected in series and driving transistors driving the light emitting sources; and a backlight unit driver comprising a transistor driver that controls the driving transistors, a DC power source that supplies DC power to the light emitting sources, and a power controller that drives the DC power source, and enables or disables an output of the DC power source with reference to signals supplied to the driving transistors.

Growing community of inventors

Gyeonggi-do, South Korea

JunHyeok Yang