Samsung Display Co., Ltd.

Hyundai Motor Company

Kia Motors Corporation

Lg Electronics Inc.

Kia Corporation

Soongsil University

Bse Co., Ltd.

Dong Sun Lee

Soo Hee Oh

Chul Kyu Kang

Sung Hwan Kim

Sang Moo Choi

Seon I Jeong

Mu Gyeom Kim

Hyun-Chol Bang

Young Gug Seol

Chui Kyu Kang

Dae Hyun Kim

Jin Woo Park

Min Kyu Woo

Yong Sung Park

Hwa Young Song

Jin Su Park

So Young Lee

Ji Eun Lee

Sung Ryong Hong

Sang Wook Han

Dong-Hwi Kim

Jae-Sic Lee

Min Hee Choi

Il Goo Youn

Jeong In Kim

Jun Young Jo

Dae Suk Kim

Seon Kyoon Mok

Hyoung Joo Kim

Byung Jick Kim

Kyo Shik Park

A gas leak detecting method includes a test article preparation operation of preparing a test article that includes a first coupling region, in which a second component is coupled to one side of a first component, and a second coupling region, in which a third component is coupled to one side of the second component, a test article arrangement operation of arranging the test article in an inner space of a body unit, and a sealing inspection operation of examining a gas discharged from the inner space and inspecting whether or not the first coupling region or the second coupling region is sealed. In the test article arrangement operation, each of the first coupling region and the second coupling region is located inside the inner space.

Gas leak detecting device and gas leak detecting method

A circuit stage including a first transistor including a first electrode and a gate electrode, the first electrode being coupled to a first input terminal and the gate electrode being coupled to a second input terminal configured to receive a first clock signal, an output circuit coupled to the second input terminal and a second power input terminal, an input circuit coupled to a second electrode of the first transistor and to a third input terminal, the third input terminal being configured to receive a first control clock signal, the input circuit being configured to control voltages of the second node and a third node, a first driving circuit coupled to a first power input terminal and to a fourth input terminal configured to receive a second control clock signal, and a second driving circuit coupled to the fourth input terminal and the third node.

Stage and scan driver using the same

A communication device is disclosed. The present communication device may include a master including a communication modem, and multiple slaves including antennas. The communication device may execute an artificial intelligence (AI) algorithm and/or a machine learning algorithm, and may communicate with other electronic devices in a 5G communication environment. Therefore, user convenience can be enhanced.

Communication device and operating method thereof

A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

Scan driver

A display device includes: scan, control, and emission control signal lines, signals transmitted thereby being different from one another; data and driving voltage lines; a first transistor including a first gate electrode and first source and drain; a second transistor including a second gate electrode connected to a first scan line, a second source connected to a first data line, and a second drain connected to the first source; a light-emitting element; a control transistor including a control gate electrode connected to a first control line and between the driving voltage line and the first source or the light-emitting element and the first drain; and an emission control transistor in series between the light-emitting element and the control transistor, the control transistor and the first transistor, or the driving voltage line and the control transistor, and an emission control gate electrode connected to the emission control signal line.

Display device and driving method thereof

A pressure vessel includes a liner including a cylinder part and side parts provided at both ends of the cylinder part, each side part having a dome shape, and a carbon fiber layer including a first hoop layer surrounding a part of an outer circumferential surface of the cylinder part and second hoop layers surrounding other parts of the outer circumferential surface of the cylinder part, each of the second hoop layers having a thickness different from a thickness of the first hoop layer.

Pressure vessel and method of manufacturing same

A display device includes a substrate on which an active region and a non-active region disposed are defined. The non-active region at least partially surrounds the active region. A light-emitting element is disposed in the active region on the substrate. An encapsulation layer is disposed on the light-emitting element. Block patterns are disposed in the non-active region on the substrate and at least partially surround the active region. The non-active region includes a first non-active region positioned at a first side of the active region and a second non-active region positioned at a second side of the active region. There are more block patterns disposed in the first non-active region than in the second non-active region.

Display device including block patterns

A stage and a scan driver including the same for supplying a scan signal using a stage formed of P-type transistors to prevent output of an unwanted noise in a period where the scan signal is not supplied.

Stage and scan driver including the same

A pixel circuit includes: an organic light emitting diode (OLED); a first transistor having first and second electrodes and a first gate electrode; a second transistor connected between a data line and the first electrode, controlled by a first scan line; a third transistor connected between the second electrode and the a electrode of the first transistor, controlled by the first scan line; a fourth transistor connected between the first gate electrode and a first initialization voltage line, controlled by a second scan line; a fifth transistor connected between a power line and first electrode, controlled by a first emission line; a sixth transistor connected between the second electrode and the OLED and controlled by a second emission line; and a storage capacitor connected between the first gate electrode and the power line, wherein the first emission line and the second emission line are located at different nodes.

Pixel circuit in which a driving transistor is allowed to be on-biased to prevent unintended emission

A high pressure tank is provided. The high pressure tank provides improved strength and stiffness by optimizing a laminating pattern and a structure of a fiber reinforced plastic that forms a dome portion of the high pressure tank used in a fuel tank of a fuel cell vehicle. The fiber reinforced plastic having relatively high strength is mixed and used for a weak portion of a dome portion of a support layer of a high pressure tank where stress caused by internal pressure of the high pressure tank is concentrated. In particular, bursting strength and stiffness is increased. The usage amount of the fiber reinforced plastic, the number of windings and a thickness by directly reinforcing a weak point of the dome portion are reduced. Accordingly, manufacturing costs of the high pressure tank are reduced.

High pressure tank

A stage of a scan driver for a display device, the stage includes: an output unit to output to an output terminal either a signal supplied to a first clock terminal corresponding to voltage of a first driving node or a voltage of a second power source corresponding to voltage of a second driving node; an input unit to control the voltage of the first driving node corresponding to signals supplied to a first input terminal, and the input unit to control the voltage of the second driving node corresponding to signals supplied to a second input terminal and a second clock terminal; a first signal processor including a second capacitor coupled between the second driving node and a second node, the first signal processor to control the voltage of the second driving node corresponding to signals supplied to a third clock terminal and a fourth clock terminal, the first signal processor to control a potential difference between both ends of the second capacitor corresponding to the signal supplied to the fourth clock terminal; and a second signal processor to control the voltage of the first driving node corresponding to the signal supplied to the first clock terminal.

Stage for a display device and scan driver having the same

An organic light emitting display device includes: a pixel unit including a plurality of pixels; a scan driver for sequentially supplying a scan signal to the pixels through scan lines, wherein the scan signal includes k (k is a natural number) bias pulses for applying a bias voltage and one write pulse for applying a data voltage; a data corrector for correcting a first grayscale value that is a grayscale value of a (j, i) pixel (i and j are natural numbers) among the pixels, based on a difference between the first grayscale value and a second grayscale value that is a grayscale value of a (j+2k, i) pixel among the pixels; and a data driver for supplying a data voltage corresponding to each of the grayscale values to the pixel unit through a plurality of data lines.

Organic light emitting display device and method for driving the same

Growing community of inventors

Yongin-si, South Korea

Dong Sun Lee