Electronics and Telecommunications Research Institute

Lg Chem, Ltd

Korea Advanced Institute of Science and Technology

Lg Energy Solution, Ltd.

Sk Innovation Co., Ltd.

Daegu Gyeongbuk Institute of Science and Technology

Ju Young Kim

Kwang Man Kim

Young-Gi Lee

Dong Ok Shin

Chang Joon Park

Ju Mi Lee

Kwan Tae Cho

In Hwan Cho

Dong Hoon Lee

Ji Hyun Kim

Yeong Rae Chang

Hyun Jun Lee

Ji Eun Kim

Young Sam Park

Se Ra Kim

Jong Moon Yoon

Kee Young Kim

Hyo Shin Kwak

Hyun Sook Cho

Kyung Ki Hong

Sang Ouk Kim

Jimin Oh

In Cheon Han

Soon Hwa Jung

Sun Hwa Lee

Yong Shik Shin

Heui Sul Park

Jung Chan Na

Hyoung Jin Kim

Ku Young Chang

Soon Ha Kim

Woo Ram Lee

Sung Uk Jung

Hyun Woo Cho

JaeHun Yang

Byung Gil Lee

Hyung Keun Jee

Kwang Ho Yang

Juho Park

Hang Kee Kim

Sang Heon Park

Byung Doo Kim

Joong Yong Choi

Do Hyeung Kim

Taek Young Youn

Eun Sang Yoo

Min Seok Jang

Seung Hee Oh

Tae Hee Han

Hee Kook Yang

Seok Hun Kang

Nam Su Jho

Sung Su Kim

Sang Dae Park

Tae Moon Park

Hyo Jin Jeong

Dae Chul Jung

Yong Min Lee

Kyoung Ill Kim

Byung Gyu Lee

Seoungwoo Byun

Juhye Song

Dohwan Kim

Young Kyung Lee

Seon Yeong Gu

Du Hee Park

Kwang Min Park

Jin Ryong Kim

Hyun Jai Cho

Hyo Soo Kim

Dae Hee Seo

Hyo Jin Jung

The present invention relates to a system and a method for multidimensional range searching for encrypted data, and an apparatus for the same. A method for multidimensional range searching for encrypted data according to an aspect of the present invention may include: generating an order revealing encryption (ORE) index table for a plurality of record data, wherein each of the plurality of record data includes data for a plurality of attributes; receiving a query for multidimensional range searching for the first attribute and the second attribute for the plurality of record data; determining one or more ORE indexes that satisfies all of the multidimensional range in the ORE index table for any one of the first attribute and the second attribute; and determining a response to the query based on the one or more ORE indexes.

System and method for multidimensional range searching for encrypted data and apparatus for the same

An apparatus is provided for detecting an internal defect of a battery cell. The apparatus may include a time domain reflectometry (TDR) module configured to apply an electrical pulse to the battery cell and compare a reference waveform with a measurement waveform generated by detecting a reflected wave of the electrical pulse to determine whether a defect has occurred, and a signal line configured to electrically connect the TDR module to an electrode lead of the battery cell. The electrical pulse may be applied in a longitudinal direction of the battery cell. A method of detecting an internal defect of a battery cell is also provided.

Device and method for detecting internal defect of battery cell by using tdr

Discussed is an electrode tab disconnection inspection apparatus of a battery cell that can include an impedance measurement part connected to electrode leads of a battery cell to be inspected, and configured to measure an impedance value according to a frequency of the battery cell; and a determination part configured to compare impedance value data according to the frequency of the battery cell to be inspected acquired by the impedance measurement part and a predetermined impedance value data group according to a frequency of normal battery cells having no disconnected electrode tabs or a frequency of tab disconnected battery cells having disconnected electrode tabs to determine whether the electrode leads of the battery cell to be inspected is disconnected.

Disconnection testing apparatus for electrode tab of battery cell

Provided is a method of preparing a coating composition for a separator of a secondary battery, and particularly a method including dispersing a first monomer and a surfactant in a solvent to form micelles, adding a first initiator to the solvent and performing first polymerization reaction to form a precursor solution including an emulsion-type binder, and adding a second monomer and a second initiator to the precursor solution and performing second polymerization reaction to form an aqueous binder solution including a solution-type binder, wherein the emulsion-type binder has a core shape, the solution-type binder has a shell shape wrapping the emulsion-type binder, and the emulsion-type binder and the solution-type binder are chemically bonded.

Coating composition for separator of secondary battery and method of manufacturing the same

The present disclosure includes a diorama space generation and construction module configured to construct an AR map by using a user camera image or image data received through a sensor, a diorama environment tracking and location optimization module configured to load the constructed AR map onto an AR device and track a location of the AR device in a diorama space in real time based on image data received in real time, and a multi-user association and event synchronization module including a user interaction module configured to perform user interaction processing, user event information processing and management, and AR content playback configured to perform interaction synchronization processing, content synchronization processing, and user information synchronization processing.

Method and apparatus for providing multi-user-involved augmented reality content for diorama application

Provided is a lithium composite anode including a metal film, and lithium ion conductors and electron conductors dispersed on one surface of the metal film, wherein portions of the lithium ion conductors and electron conductors are impregnated into the metal film from the one surface of the metal film.

Lithium composite anode, method of fabricating the same, and lithium secondary battery including the same

Disclosed are an optical modulation device and a phase modulation method using the same. The optical modulation device includes a reflection plate, an insulating film over the reflection plate, dielectric patterns aligned on the insulating film in a first direction and extended in parallel in a second direction intersecting the first direction, and first and second graphene patterns provided between the dielectric patterns aligned in the first direction and arranged in an alternating fashion. The first and second graphene patterns are in direct contact with the insulating film and the dielectric patterns are in direct contact with the insulating film at locations between the first and second graphene patterns. A width of each of the first graphene patterns in the first direction is different from a width of each of the second graphene patterns in the first direction.

Optical modulation device and phase modulation method using the same

Provided is a cellulose derivative composition for a secondary battery binder, a method of preparing a composition for a secondary battery electrode, including the same, and a secondary battery including the same. According to the inventive concept, the cellulose derivative composition for a secondary battery binder may include a compound represented by Formula 1 below.

Cellulose derivative composition for secondary battery binder and method of preparing composition for secondary battery electrode comprising the same

A method of providing a search index based on a Bloom filter in a distributed data sharing environment based a block chain includes generating, by a data generating device, Bloom filters used as the search index on the basis of a hash value calculated by applying a hash function to a keyword set for searching for data which is to be shared, generating, by a block providing server, a new block on the basis of the Bloom filters and the data received from the data generating device and performing proof of work (PoW) on the new block, for adding the new block to the block chain, and distributing, by a block distributing server, block chain data including the new block added to the block chain.

System for data sharing platform based on distributed data sharing environment based on block chain, method of searching for data in the system, and method of providing search index in the system

Disclosed is a biometric information-based authentication method and apparatus, in which various types of biometric information extracted from a user are used. According to an embodiment of the present disclosure, the authentication method includes: checking first biometric information based on a physical characteristic of a user and second biometric information varying with a biological characteristic of the user; constructing a reference composite polynomial on the basis of one or more feature points respectively detected from the first and second biometric information and generating and storing security information using the reference composite polynomial; checking first and second measured biometric information of the user; constructing a detection composite polynomial on the basis of one or more feature points detected from the first and second measured biometric information and generating authentication information using the detection composite polynomial; and performing authentication of the user by comparing the security information with the authentication information.

Biometric information-based authentication method and apparatus

A lithium battery according to the inventive concept may comprise a cathode, an anode separated from the cathode, a first separator disposed between the cathode and the anode, the first separator having first pores, a second separator disposed on the first separator, the second separator having second pores, and an electrolyte filling a gap between the cathode and the anode. Diameters of the second pores may be smaller than those of the first pores. A standard deviation of the diameters of the second pores is smaller than that of the first pores.

Lithium battery electrode and method of manufacturing the same

The present invention relates to a pharmaceutical composition comprising a compound of formula (1), (2) or (3) as defined in the specification for the prevention or treatment of diseases associated with oxidative stress, mitochondria dysfunction, hypoxic injury, necrosis and/or ischemic reperfusion injury, and a cosmetic composition comprising an indole compound having an antioxidant effect.

Pharmaceutical composition comprising indole compound

The present invention relates to a vessel traffic service system and a method for extracting accident data, and more particularly, to a technique that search and extracts possible event traffic data automatically from data of a concerned area without knowing exact time when a marine accident occurs. The vessel traffic service system includes: an input unit receiving conditional information for extracting accident occurrence data from a user; a storage unit storing at least one of an automatic identification system (AIS) signal, a radar signal, and a camera image signal; and a control unit extracting an event occurrence part from at least one of the AIS signal, the radar signal, and the camera image signal of a point and a time at which an accident occurs in accordance with the conditional information to generate an accident candidate list.

Vessel traffic service system and method for extracting accident data

The present invention relates to a stripper composition for removing photoresists which comprises: a chained amine compound having a weight average molecular weight of more than 95 g/mol; a chained amine compound having a weight average molecular weight of not more than 90 g/mol; a cyclic amine compound; an amide-based compound in which a linear or branched alkyl group having 1-5 carbon atoms is mono- or di-substituted with nitrogen; and a polar organic solvent, wherein the weight ratio of the chained amine compound having a weight average molecular weight of more than 95 g/mol to the chained amine compound having the weight average molecular weight of not more than 90 g/mol is 1:1 to 1:10, and a method for stripping a photoresist using the same.

Stripper composition for removing photoresists and method for stripping photoresists using the same

Disclosed herein is a voltage sensing member for sensing the voltage of battery cells constituting a battery module, the voltage sensing member comprising: (a) a pair of supporting parts mounted to the bottom of the battery module at regions (the front and rear parts of the battery module) corresponding to electrode terminal connections of the battery cells; (b) connection parts for electrically connecting the supporting parts to a connector; (c) a plurality of conductive sensing parts protruding upward while one end of each is connected to the corresponding support part and the other end of each is elastically connected to electrode terminals of the battery cells; and (d) the connector mounted on the front part or the rear part of the battery module for transmitting the sensed voltage of the battery cells to a battery management system (BMS).

Voltage sensing member and battery module employed with the same

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Daejeon, South Korea

Ju Young Kim