Lg Electronics Inc.

Hyundai Motor Company

Kia Corporation

Amkor Technology, Inc.

Pribit Technology, Inc.

Aconic Inc.

Kia Motors Corporation

Seoul National University

Gwangju Institute of Science and Technology

Other

Electronics and Telecommunications Research Institute

Lg Innotek Co., Ltd.

Korea Institute of Science and Technology

Yonsei University

Kyungpook National University Industry-academic Cooperation Foundation

Min Jae Lee

Young Rang Kim

Joo Tae Kim

Pil Ho Song

Byung Wook Kim

Gang Ho Woo

Jin Woo Kwak

Ha Na Kim

Hoo Dam Lee

Min Kyun Yoo

Dai Hyung Ryu

Woo Ju Lee

Deok Woo Yun

Min Ji Seo

Ho Young Joo

Min Uk Heo

You Shin Chung

Hoon Jung

So Young Lee

Young Sun Kim

Hyoung-Juhn Kim

Jong Hyun Jang

Suk Woo Nam

Hyun Seo Park

Jae Jin Lee

Kyong Hwa Song

Ji Yeon Lee

Cheon Soo Kim

Ki Wook Lee

Byung Jun Kim

Ja Yol Lee

Hee Kyung Jin

Jae Dong Kim

Young Won Jeong

Yeong Cheon Kim

Jae Sung Bae

Sun Ha Park

Seung Ju Lee

Yoon Jin Kim

Hwi-Cheol Kim

Seong Ahn Jeon

Hye Jin Lim

Seung Hwan Ko

Young Suk Jo

Myung Shik Lee

Gwan Sik Kim

Jin Hee Ahn

Hong Youl Choi

Haushabhau Shivaji Pagire

Sung Wan Jeon

Na Kyong Yun

Heo Kyoung Park

Da Ul Jung

Jin Woo Lee

Jun Su Lee

Yeong Ju Jung

According to an embodiment, provided is a direct current/direct current converter comprising: a first switch unit located between a direct current link capacitor and a bridge circuit unit; a second switch unit connected in parallel with the first switch unit; a sensing unit for sensing a voltage across both ends of an inverter and a voltage across both ends of a second switch; and a control unit which controls an on-off operation of the first switch unit and the second switch unit, and determines whether a short circuit or a disconnection occurs by using the voltage across both ends of the inverter and the voltage across both ends of the second switch unit, wherein the control unit determines whether a short circuit or a disconnection occurs by using a voltage across both ends of the inverter and a voltage across both ends of the second switch unit, which are measured when the first switch unit is in an on state and the second switch unit is in an off state, and determines whether a disconnection occurs by using a voltage across both ends of the inverter, which is measured when the second switch unit is in an on state and the first switch unit is in an off state.

Direct current/direct current converter and control method thereof

A network access control device generates, in a tunnel-based access control network environment, a tunnel that connects a terminal application to the gateway of a destination network, on the basis of a tunnel between the terminal application and a gateway and a tunnel between gateways, thereby enabling safe transmission of a data packet from the terminal application to a destination node. It can include: a memory for storing a tunnel policy, a tunnel routing policy, and a tunnel table; and a control unit which generates tunnel information and data flow information on the basis of the tunnel policy, the tunnel routing policy, and the tunnel table according to a network access request of the terminal, and which transmits the generated tunnel information and data flow information to the terminal and the gateway of each network so that a tunnel between the terminal and the destination network is generated.

Network access control system and method therefor

A method of preparing a conductive composite includes immersing a porous base material in a conductive coating solution, and drying the conductive coating solution on the porous base material to form a conductive coating layer on the porous base material. The conductive coating solution includes conductive particles and a solvent, and the surface tension of the solvent is lower than the surface tension of the porous base material by 8 mN/m or more, and a conductive composite is prepared therefrom.

Preparing method for conductive composite, conductive composite and piezoresistive device using the same

In an embodiment a method for preparing a laminate includes forming a cured film by coating a source material composition including a polymer for a base layer and an inorganic particle for forming a pore, obtaining a porous base layer having a spherical pore derived from the inorganic particle by removing the inorganic particle from the cured film through an etching process and forming a coating layer, which has a repeated pattern, on a surface of the porous base layer.

Laminate for radiational cooling, and method for preparing the same

Disclosed are a cooling device and a vehicle including the same. The cooling device according to one aspect of the present disclosure includes a housing part having a first hole formed at one side thereof and a second hole formed at the other side thereof, a heat exchange part accommodated in an internal space of the housing part and having one side communicating with the first hole and the other side communicating with the second hole, a thermoelectric element part provided above the heat exchange part, and a radiational cooling part provided above the thermoelectric element part and at least partially exposed to the outside.

Cooling device and vehicle including the same

The present disclosure relates to a laminate for radiational cooling including a substrate layer containing a matrix of an infrared light-radiating polymer containing polycarbonate-based polyurethane and particles of a visible light-reflecting inorganic material, and an ultraviolet light-reflecting coating layer formed on the substrate layer and containing an expanded fluorine-based polymer, wherein the ultraviolet light-reflecting coating layer is porous.

Laminate for radiational cooling and material for radiational cooling containing the same

Provided is a display device having a touch sensor capable of improving touch sensitivity by removing the influence of display noise. The display device includes: a display panel including pixels connected to data lines and scan lines; a scan driver for supplying scan signals to the pixels through the scan lines; a data driver for receiving digital image data, converting the digital image data into an analog data signal, and supplying the analog data signal to the pixels through the data lines; a data variance calculator for calculating a variance in image data for each data channel by using the digital image data, and summing the variance in image data for each data channel to calculate an integrated data variance value; and a plurality of correction value calculators for calculating a touch correction value for each sensing channel by using the integrated data variance value.

Display device having touch sensor

A network access control system and a method are disclosed. In a step of generating a transmission control protocol (TCP) session between a terminal and a gateway (or a server), the TCP session is authenticated, and whether or not to generate the TCP session is determined on the basis of a result of the authentication, thereby preventing, in advance, a target application within the terminal from bypassing control of an access control application and transmitting a data packet to a destination network through an authorized tunnel.

The present disclosure relates to a polymer electrolyte membrane for medium and high temperature, a preparation method thereof and a high-temperature polymer electrolyte membrane fuel cell including the same, more particularly to a technology of preparing a composite membrane including an inorganic phosphate nanofiber incorporated into a phosphoric acid-doped polybenzimidazole (PBI) polymer membrane by adding an inorganic precursor capable of forming a nanofiber in a phosphoric acid solution when preparing phosphoric acid-doped polybenzimidazole and using the same as a high-temperature polymer electrolyte membrane which is thermally stable even at high temperatures of 200-300&#xb0; C. without degradation of phosphoric acid and has high ion conductivity.

Polymer electrolyte membrane for medium and high temperature, preparation method thereof and high temperature polymer electrolyte membrane fuel cell comprising the same

A thermoelectric module may include a unit thermoelectric member having a contact portion configured to come into contact with a subject; and a hydrophobic pattern disposed on the contact portion and configured to guide condensate water produced on the contact portion, to the outside of the contact portion, inhibiting stagnation of the condensate water on the contact portion and improving comfort.

Thermoelectric module

The present invention relates to a novel phenylsulfonyl oxazole derivative and a use thereof and specifically, to a compound represented by Chemical Formula 1 in the present specification or a pharmaceutically acceptable salt thereof, and to a use thereof for prevention, treatment, or improvement of neurodegenerative disease.

Phenylsulfonyl oxazole derivative and use thereof

A node includes: a communication circuit; a processor operatively connected to the communication circuit; and a memory operatively connected to the processor and storing a target application and an access control application, wherein the memory stores instructions that when executed by the processor, cause the node to: detect a network access event of the target application to a destination network through the access control application, identify whether a tunnel corresponding to identification information of the target application and the destination network and authorized by an external server exists, transmit a data packet of the target application through the authorized tunnel using the communication circuit, when the authorized tunnel exists, and drop the data packet of the target application, when the authorized tunnel does not exist.

System for controlling network access of terminal based on tunnel and method thereof

A thermoelectric module includes a first thermoelectric material, a second thermoelectric material spaced apart from the first thermoelectric material, and a stretching element selectively connected between the first thermoelectric material and the second thermoelectric material, wherein the stretching element is stretchable.

A thermoelectric material includes a lower part from a bottom surface of the thermoelectric material to a point of 30% of an average thickness of the thermoelectric material and having an average content of carbon atoms of 40 at% or more in the thermoelectric material, and an upper part corresponding to a remaining 70% of the average thickness of the thermoelectric material and having an average content of carbon atoms of 20 at% or less in the thermoelectric material.

Thermoelectric material and thermoelectric module comprising the same

Growing community of inventors

Seoul, South Korea

Min Jae Lee