Lg Chem, Ltd

University-Industry Cooperation Group of Kyung Hee University

Lg Energy Solution, Ltd.

Samsung Heavy Ind. Co., Ltd

Lg Electronics Inc.

Lg Display Co., Ltd.

Soongsil University

Ewha University-Industry Collaboration Foundation

Donghun Lee

Wang Mo Jung

Hong Kyu Park

Sung-Kyun Chang

Hyelim Jeon

Eunsol Lho

Hocheol Kim

Sang Wook Lee

Sin Young Park

Sang Beom Lee

Jin-Hyung Lim

Minsuk Kang

Juyeon Park

Jungbin Song

Jin Gyu Choi

Sora Baek

Sunghoon Kim

Ji Young Kim

Seul Ki Kim

Sung Hyun Lee

Su-min Park

Sangbeom Kim

JiEun Lee

Inbum Song

Jeonghoe Heo

Jiyeon Kim

Youngjun Park

Jinhyung Lim

Oran Kwon

Sang-Hoon Hong

HoSuk Shin

Mungyu Kim

Seong-min Park

Jaeyong Lee

Jongho Eun

Jaehoon Kim

SunJae Kim

Suhyun Park

Sang Woug Park

Chihun Lee

Hyunki Park

Joonho Min

TaeWan Lee

Jongung Choi

Sungmoon Joo

Hieyong Jeong

Hyangmok Ok

Seungjoon Lee

Hosuk Shin

The present invention relates to a device for configuring a group with one or more electronic devices, the device comprising: a communication module for receiving a first message for acquisition of an Internet protocol (IP) address of the one or more electronic devices, and transmitting a second message including a group list and IP addresses allocated to the respective one or more electronic devices, to the one or more electronic devices in response to the first message; a memory connected to the communication module so as to store the group list included in the second message; and a processor which is connected to the communication module and the memory is configured to acquire, via the group list, information on a group serviced by the device, configure, based on the information on the group, a group with the one or more electronic devices, and provide a multimedia service.

Multimedia service providing device and multimedia service providing method

The present disclosure relates to organic compounds and an organic light emitting display device using the same and more particularly, to an organic light emitting display in which an organic compound represented by the following Chemical Formula 1 is used for a hole transport layer or an electron blocking layer of the organic light emitting element to easily transport holes injected from an anode to a light emitting layer and suppress the leakage of electrons from the light emitting layer. Therefore, it is possible to provide an organic light emitting display device with high luminous efficiency and long lifetime.

Organic compounds and organic light emitting display device using the same

A fluid cooling apparatus capable of improving liquefaction efficiency of a fluid by appropriately cooling the fluid in various temperature ranges through a simple process. The fluid cooling apparatus includes an expansion unit including a plurality of expanders, which receive refrigerants through a plurality of paths to expand the refrigerants and discharge the expanded refrigerants having different temperatures, a heat exchanger receiving the refrigerants having different temperatures from the expansion unit to cool the fluid in multistages, a precompression unit including a plurality of precompressors, which receive the refrigerants passing through the heat exchanger to compress the refrigerants and discharge the compressed refrigerants at the same pressure, a mixing tube configured to mix the refrigerants discharged from the precompression unit to supply the mixed refrigerant, and a main compression unit connected to the mixing tube to compress the mixed refrigerant and supply the compressed refrigerant to the expansion unit.

Fluid cooling apparatus

The present disclosure relates to a cathode additive of a lithium secondary battery, and a method for preparing the same. The cathode additive exhibits high irreversible capacity, and may be effectively applied to a battery using an anode material having high energy density. In one embodiment, the cathode additive includes a compound represented by the following Chemical Formula 1:y(LiNiMO)-z(LiCoMO) &#x2003;&#x2003;[Chemical Formula 1]

Additive for cathode, method for preparing the same, cathode including the same, and lithium secondary battery including the same

The present invention relates to a composition for preventing and/or treating a stroke or a degenerative brain disease comprising: at least two substances selected from the group consisting of egg yolk lecithin, glycerol, sodium oleate, medium chain triglyceride and refined fish oil; olive oil; and soybean oil. The composition of the present invention has an excellent neuroprotective effect but no toxicity or side effects, and thus can be effectively and safely used for preventing, treating or ameliorating a stroke or a degenerative brain disease.

Composition for preventing or treating stroke or degenerative brain disease

The present disclosure provides a preparing method of a positive electrode additive for a lithium secondary battery capable of reducing the amount of Li-based byproduct and unreacted lithium oxide generated in a preparing process, thereby significantly reducing the amount of gas generated when the electrode is operated.

Method for preparing positive electrode additives of lithium secondary battery

Disclosed is a composition, which comprisesextract as an active ingredient and is effective at promoting longitudinal bone growth.

Composition comprisingextract for preventing or treating short stature

Disclosed are a cathode additive of a lithium secondary battery which may have improved crystallinity and a method for preparing the same. The cathode additive may be provided to suppress generation of oxygen gas or gelation of an electrode slurry composition, which may occur due to reduction in the content of residual by-products containing lithium oxide.

Disclosed is a cathode active material for secondary batteries comprising at least one compound selected from the following formula 1:(1&#x2212;)[Li(LiMnNiCo)O]*[LiCO]*[LiOH]&#x2003;&#x2003;(1)wherein 0&#x3c;a&#x3c;0.2, 0&#x3c;x&#x3c;0.9, 0&#x3c;y&#x3c;0.5, a+x+y&#x3c;1, 0&#x3c;s&#x3c;0.03, and 0&#x3c;t&#x3c;0.03; and a, x and y represent a molar ratio, and a and t represent a weight ratio. The cathode active material has long lifespan at room temperature and high temperatures and provides superior stability, although charge and discharge are repeated at a high current.

Cathode active material and lithium secondary battery comprising the same

Disclosed are a cathode additive of a lithium secondary battery and a method of preparing the same. The lithium secondary may have high irreversible capacity and further improved capacity characteristics.

The present invention provides a pharmaceutical composition containing aextract, as an active ingredient, for preventing or treating stroke or degenerative brain diseases. Theextract of the present invention has a protective effect on cranial nerves so as to exhibit a functional effect of preventing or treating stroke or various degenerative brain diseases.

[object Object]

Disclosed is a cathode active material for secondary batteries comprising at least one compound selected from the following formula 1:(1&#x2212;s&#x2212;t)[Li(LiMnNiCo)O]*s[LiCO]*t[LiOH]&#x2003;&#x2003;(1)wherein 0&#x3c;a&#x3c;0.2, 0&#x3c;x&#x3c;0.9, 0&#x3c;y&#x3c;0.5, a+x+y&#x3c;1, 0&#x3c;s&#x3c;0.03, and 0&#x3c;t&#x3c;0.03; and a, x and y represent a molar ratio, and a and t represent a weight ratio. The cathode active material has long lifespan at room temperature and high temperatures and provides superior stability, although charge and discharge are repeated at a high current.

Disclosed are an underwater moving apparatus and a moving method thereof. The underwater moving apparatus of an exemplary embodiment of the present invention includes a body; a propelling device installed on a rear side of the body; a thruster unit including an up and down directional thruster and a left and right directional thruster installed at the body; and a plurality of leg units positioned at both side portions of the body and including a multi-joint module.

Underwater moving apparatus and moving method thereof

Disclosed herein is a wearable robot with improved operability and mobility through improvement of the upper limb structure thereof. The wearable robot includes an upper limb muscular power assist device to perform an articulation motion with a predetermined degree of freedom, the upper limb muscular power assist device being wearable by a user, and a mobile platform connected to the upper limb muscular power assist device to move according to information regarding movement speed and movement direction of the user in a rolling fashion. Consequently, mobility of the wearable robot and operation efficiency of the user are improved.

Wearable robot and control method thereof

Disclosed is a cathode for secondary batteries comprising a compound having a transition metal layer containing lithium as at least one compound selected from the following formula 1: (1&#x2212;x)Li(LiMMa)OA*xLiPO(1) wherein M is an element stable for a six-coordination structure, which is at least one selected from transition metals that belong to first and second period elements; Ma is a metal or non-metal element stable for a six-coordination structure; A is at least one selected from the group consisting of halogen, sulfur, chalcogenide compounds and nitrogen; 0&#x3c;x&#x3c;0.1; 0&#x3c;y&#x3c;0.3; 0&#x2266;z&#x3c;0.2; and 0&#x2266;b&#x3c;0.1.

Cathode for secondary battery

Growing community of inventors

Seoul, South Korea

Donghun Lee