Samsung Electronics Co., Ltd.

Hyundai Motor Company

Kia Motors Corporation

Skhynix Inc.

General Electric Company

Lg Display Co., Ltd.

Kia Corporation

Soongsil University

Samsung Electro-Mechanics Co., Ltd.

Sungkyunkwan University

Sap Se

Industry-University Cooperation Foundation Hanyang University

Seoul Viosys Co., Ltd.

Doosan Heavy Industries & Construction Co., Ltd

Kmw Inc

Dong Hun Lee

Sung Do Kim

Chang Seok You

Heum Yong Park

Seog Heon Ham

Min Woo Kang

Kwi Sung Yoo

Jung Shik Jang

Wun-Ki Jung

Min Ho Kwon

Min Su Kang

Jae Youl Jeong

Shin Hyoung Kim

Sung Jin Park

Soon Il Jeon

Min Jae Kim

Young Do Kwon

Dong Min Shin

Chang Seok Ryu

Soon Woo Kwon

Kyung Rok Kim

Hyun Surk Kim

Dong Hyun Lee

Jae Hong Kim

Dae Jong Kim

Dong Il Bae

Seung Min Song

Joon Yong Lee

Jung Gil Yang

Jung Dal Choi

Chang Woo Sohn

Jin Ho Seo

Seung Hyun Lim

Jung Hwan Ryu

Dong Soo Shin

Boung Ho Min

Tae Wan Lee

Hee Youl Lee

Sunghoon Kim

Ki Hong Lee

Sang Jin Lee

Jun Young Lee

Jeong Hwan Kim

Dong Sun Sheen

Jin Kook Kim

Seo Ho Choi

Dong-Hyun Lee

Jun Hwa Lee

Jin Sung Kim

Jun Pyo Hong

In Su Park

Woo Ram Chung

Seonkeun Yoo

Sung Wook Jung

Seunghee Yoon

Hyo Sung Kim

Min Kyu Jeong

Chang Yeong Kim

Sunjae Kim

Keun Bong Ham

Heejun Park

Inbum Song

Sungjin Park

Hyunseok Ryu

Hoon Moo Choi

Jin Young Yoon

Woo Young Lee

Dong Wook Kim

Tae Ho Lee

Min Jung Jang

Jae Won Jung

Sang Uk Kwon

Sang Sik Yoon

Kyunghoon Lee

Mirco Cantoro

Hyung-Jin Choi

Wonjun Hwang

Kevin Farrelly Nolan

Shuichi Shimokawa

Sung Il Park

Ji Hyun Seo

Chang Ha Lee

Sunhom Steve Paak

Hyeok Jong Lee

Kang Sik Jeon

Seong Cheol Jeong

Jea Yun So

Tae Gyun Kim

Dong Woo Ha

Jicheol Shin

Young Kyun Jeong

Sangbeom Kim

Kyoung Ku Ha

Yeon Kyu Jeong

Jung Kwon Kim

Woo Suk Sung

Jin Min Cheon

Jung Gun You

Sun Soon Park

A method for diagnosing valve failure of a fuel cell system is proposed. The method comprises determining failure diagnosis target pressure from atmospheric pressure that is a real-time sensing value of an atmospheric sensor by means of a controller, controlling opening of a fuel supply valve installed in a hydrogen supply line such that stack anode-side pressure reaches the determined failure diagnosis target pressure by means of the controller, performing control for opening an integrated discharge valve installed at a water trap when the stack anode-side pressure reaches the failure diagnosis target pressure, counting a time passed after the opening, and determining whether the integrated discharge valve fails based on the time, the stack anode-side pressure, and the atmospheric pressure.

Method for diagnosing valve failure of fuel cell system

A semiconductor device and a method of manufacturing the semiconductor device. The semiconductor device including a stacked body including conductive patterns and insulating patterns that are alternately stacked, a filling layer configured to pass through the stacked body, a first channel layer configured to pass through the stacked body and coupled to the filling layer, a second channel layer configured to pass through the stacked body and coupled to the filling layer, a first interposed layer configured to pass through the stacked body and disposed between the first channel layer and the filling layer, a second interposed layer configured to pass through the stacked body and disposed between the second channel layer and the filling layer, and a memory layer surrounding the filling layer, the first and second channel layers, and the first and second interposed layers.

Semiconductor device and method of manufacturing the semiconductor device

A fuel cell system includes a fuel cell connected to a main bus through a converter, an auxiliary power supply connected in parallel to the main bus at an output side of the converter, and a controller electrically connected to the converter and configured to control the converter to adjust output of the fuel cell by changing a target input voltage of the converter, configured to increase the target input voltage of the converter when an output voltage of the converter is a set maximum value or more than the set maximum value, and configured to decrease the target input voltage of the converter when the output voltage of the converter is a set minimum value or less the set minimum value. Furthermore, a method of controlling the fuel cell system is disclosed.

Fuel cell system and control method thereof

The present technology includes a semiconductor memory device. The semiconductor memory device includes a first channel pattern and a second channel pattern each extending in a vertical direction and facing each other, a channel separation pattern formed between the first channel pattern and the second channel pattern and extending in the vertical direction, a stack including conductive patterns each surrounding the first channel pattern, the second channel pattern, and the channel separation pattern and stacked apart from each other in the vertical direction, a first memory pattern disposed between each of the conductive patterns and the first channel pattern, and a second memory pattern disposed between each of the conductive patterns and the second channel pattern.

Semiconductor memory device

A method of manufacturing a semiconductor device is provided. The method may include forming a stack, forming a preliminary stepped structure by patterning the stack, forming a first stepped structure, a second stepped structure, and an opening located between the first stepped structure and the second stepped structure by etching the preliminary stepped structure, forming a passivation layer that fills the opening and covers the first stepped structure, and forming a third stepped structure by etching the second stepped structure using the passivation layer as an etching barrier.

Method of manufacturing semiconductor device

There are provided a memory device and a manufacturing method of the memory device. The memory device includes: a peripheral circuit disposed on a substrate; and a gate stack structure overlapping with the peripheral circuit. The gate stack structure includes a plurality of first cell plugs having substantially a cylindrical structure and a plurality of second cell plugs having substantially a hexagonal prism structure.

Memory device and manufacturing method of the memory device

A memory device includes a plurality of memory cells, a peripheral circuit, and control logic. The peripheral circuit is configured to perform an incremental step pulse program (ISPP) on the plurality of memory cells. The control logic is configured to control the peripheral circuit to perform the ISPP using bit line voltages set based on different bit line step voltages according to a target program state of each of the plurality of memory cells among a plurality of program states.

Memory device performing program operation and method of operating the same

A system for operating a fuel cell includes a controller configured to derive an output limit value of the fuel cell through an interval average value corresponding to an average of output values of the fuel cell for a designated time and a cumulative average value corresponding to an average of the output values of the fuel cell until the current point in time after starting to operate the fuel cell, and to control operation of the fuel cell based on the derived output limit value.

System and method for operating fuel cell

A water discharge control system and method for a fuel cell are provided. The water discharge control system includes a fuel cell stack that generates power through an internal chemical reaction, a fuel supply line that recirculates fuel discharged from the fuel cell stack and supplies the fuel to the fuel cell stack, and a water trap that is disposed in the fuel supply line to store water generated in the fuel cell stack. A drain valve is disposed in an outlet port of the water trap to block discharge of the water stored in the water trap to the outside when closed. A drain controller determines whether fuel in the fuel supply line is being discharged through the outlet port when the drain valve is in an open state and closes the drain valve upon determining that fuel is being discharged.

Water discharge control system and method for fuel cell

Provided are a cleaning robot and a method of controlling the same, and more specifically, a cleaning robot provided to detect an obstacle in various directions and a method of controlling the same. The cleaning robot includes a light emitter configured to radiate light, a plurality of light receivers configured to receive a radiation of the light in a predetermined direction among radiations of the light reflected from an obstacle when the radiated light is reflected from the obstacle, a support plate to which the light emitter and the light receiver are fixed and which is rotatably provided, and a controller configured to detect the obstacle on the basis of output signals transmitted from the light emitter and the plurality of light receivers and rotation information of the support plate.

Cleaning robot and control method therefor

A cleaning robot having an improved structure capable of improving a user convenience and method for controlling the same are disclosed herein. A cleaning robot includes a main body to form an outer appearance and having an inlet port provided to suck a foreign matter present in a cleaning area, an operation unit detachably coupled to the main body and provided to be gripped, at least one motion sensor provided to detect a motion of the operation unit, and a control unit electrically connected to the at least one motion sensor to drive a driving motor of the main body based on the motion of the operation unit detected by the at least one motion sensor.

Cleaning robot and method for controlling the same

Disclosed is an organic electroluminescent device with lowered driving voltage, and enhanced efficiency and lifetime.

Organic compound and organic electroluminescent device comprising the same

Growing community of inventors

Gyeonggi-do, South Korea

Dong Hun Lee