Lg Display Co., Ltd.

Samsung Electronics Co., Ltd.

Jaesung Kim

HoYoung Lee

Sungwook Chang

Youngwoo Kim

JungChul Kim

Juhnsuk Yoo

Dawoon Jeong

Hyoungryeol In

Seongmin Je

Seungbo Shim

Jungchul Kim

Mihee Shin

Sangmyoung Lee

Hyungsoo Kim

Chungsik Kong

Honggyu Han

Kiwoo Kim

MinWoo Oh

Kyungsun Kim

Jaebin Kim

A plasma processing apparatus includes a wafer support fixture in the chamber and configured to support a wafer, an upper electrode in the chamber and spaced apart from the wafter support fixture, a magnet assembly configured to apply a magnetic field into a chamber, the magnet assembly including a plurality of first magnets and a plurality of second magnets arranged in an annular shape, and a horizontal distance from a central axis of the chamber to each of the plurality of first magnets and each of the plurality of second magnets is less than a radius of the wafer.

Plasma processing apparatus

A pixel for an organic light emitting display device includes an organic light emitting diode that emits light by a driving current, a driving transistor configured to control the driving current, a first transistor to connect the second node and the third node, a second transistor to apply a data voltage to the first node, a third transistor to apply a high-potential driving voltage to the second node, a fourth transistor that forms a current path between the driving transistor and the organic light emitting diode, a fifth transistor to apply an initial voltage to the driving transistor, a sixth transistor configured to apply a reset voltage to a fourth node which is an anode electrode of the organic light emitting diode, a seventh transistor configured to apply the high-potential driving voltage to the fifth node, and an eighth transistor configured to apply a reference voltage to the fifth node.

Pixel and organic light emitting display device comprising the same

A pixel circuit can include a first oxide transistor, a second oxide transistor, and a driving transistor. The driving transistor can include a gate electrode, a source electrode and a drain electrode. A capacitor, the first oxide transistor, and the second oxide transistor are connected to the gate electrode of the driving transistor. The pixel circuit can further include an emission element and a first transistor connected to the source electrode or drain electrode of the driving transistor.

Pixel circuit and display apparatus having the same

According to an aspect of the present disclosure, an organic light emitting display apparatus includes an organic light emitting diode; a driving transistor which supplies a driving current to the organic light emitting diode; and a plurality of switching transistors to transmit a reference voltage and a data voltage to a gate electrode of the driving transistor, respectively. According to the present disclosure, one frame is divided into a refresh period in which a data voltage is written and a hold period in which the data voltage written in the refresh period is held. The refresh period includes an initialization period, a sampling period, a programming period, and an emission period, and the sampling period and the programming period may be separate from each other.

Organic light emitting display apparatus

A semiconductor device includes a substrate having a first region and a second region, gate electrodes stacked and spaced apart from each other in a first direction, perpendicular to an upper surface of the substrate in the first region and extending in different lengths along a second direction, perpendicular to the first direction in the second region, first separation regions penetrating the gate electrodes in the first and second regions, extending in the second direction, and spaced apart from each other in a third direction, perpendicular to the first and second directions, second separation regions penetrating the gate electrodes in the second region and spaced apart from each other in the second direction between the separation regions, and a first vertical structure penetrating the gate electrodes in the second region and closest to the first region, wherein a width of the second separation regions in the third direction is greater than a width of the first vertical structure, a first end point of the second separation regions adjacent to the first region is spaced apart from a central axis of the first dummy structure in the second direction, away from the first region.

3D semiconductor memory device

A light emitting display apparatus includes a pixel driving circuit including a driving transistor and an anode reset capacitor connected to a gate of the driving transistor and a light emitting device configured to emit light with a current supplied through the driving transistor. An anode reset period, where a data voltage is not supplied to the driving transistor, is between refresh periods where the light emitting device emits the light with the data voltage supplied to the driving transistor, and an anode reset voltage supplied to the anode reset capacitor in the refresh period is higher than an initial voltage which is input to the gate of the driving transistor in the refresh period.

Light emitting display apparatus

An electroluminescent display device comprises subpixels each including a pixel driving circuit driven in accordance with an initialization period, a sampling period and a light emission period. The pixel driving circuit includes a light emitting diode, a driving transistor including a gate connected to a first node, a drain connected to a second node, and a source connected to a third node, a first switching circuit turned on for the initialization period, providing an initialization voltage to the first node and providing a fixed voltage to the third node, a second switching circuit turned on for the sampling period, applying a data voltage to the third node and providing the initialization voltage to an anode of the light emitting diode, and a light emitting control circuit controlled by an emission signal and turned on for the light emission period to provide a high potential voltage to the third node.

Electroluminescent display device having pixel driving

Electronic payment methods of an electronic device are provided. An electronic payment method of a first electronic device includes executing, at the first electronic device, an electronic payment application, transmitting, by the first electronic device to a payment server, a request for registration of a common use group including a second electronic device to be registered as a group member, receiving, at the first electronic device, device information of the second electronic device, performing, at the first electronic device, authentication of the second electronic device by using the device information, and transmitting, by the first electronic device, a result of the authentication to the payment server.

Mobile electronic device and method for electronic payment

There is provided an electroluminescence display device comprising a display panel having a display area where images are displayed and a non-display area where images are not displayed, a subpixel located in the display area, and a voltage transfer part that is located in the non-display area and transfers a reference voltage to the subpixel in response to a signal applied from outside the display panel or a signal generated on the display panel.

Electroluminescent display device for minimizing a voltage drop and improving image quality and driving method thereof

The present disclosure relates to a display element comprising an organic light emitting diode including a first electrode and a second electrode, a driving transistor including a first node to be supplied with a data voltage, a second node connected to the first electrode of the organic light emitting diode, and a third node electrically connected to a driving voltage line, a first transistor electrically connected between a data line configured to supply the data voltage and the first node of the driving transistor, a second transistor electrically connected between an initialization voltage line configured to supply an initialization voltage and the second node of the driving transistor, and a capacitor electrically connected between the first node and the second node of the driving transistor.

Growing community of inventors

Paju-si, South Korea

Jaesung Kim