Abstract: The present disclosure relates to a variable focus lens containing graphene, a preparing method of the variable focus lens, a focus controlling method of the variable focus lens, and a display device including the variable focus lens.
Type:
Grant
Filed:
March 19, 2014
Date of Patent:
August 8, 2017
Assignees:
Graphene Square, Inc., SNU R&DB Foundation
Abstract: The present invention relates to a CT contrast agent for detecting a thrombus, comprising fibrin-targeted peptide sequence-conjugated glycol chitosan-gold nanoparticles. The CT contrast agent for detecting a thrombus according to an embodiment of the present invention may allow rapid and repeated acquisition of CT image information related to the size and location of a thrombus in cardio-cerebral vascular thrombosis, and also enables the imaging monitoring of cerebral thrombus.
Type:
Grant
Filed:
May 13, 2013
Date of Patent:
August 1, 2017
Assignees:
Dongguk University Industry-Academic Cooperation Foundation, SNU R & DB Foundation, Korea Institute of Science and Technology
Inventors:
Dong Eog Kim, Jeong Yeon Kim, In Cheol Sun, Sung Kyung Park, Cheol Hee Ahn, Kwang Meyung Kim
Abstract: The present invention relates to a complex of a protein comprising zinc oxide-binding peptides and zinc oxide nanoparticles, to the use thereof as a drug delivery carrier for manufacturing medicines, and to a vaccine composition and a contrast agent comprising the composite. The protein comprising zinc oxide-binding peptides significantly improves the in vivo availability of zinc oxide-binding peptides, and therefore the complex of the present invention can be used not only as a drug delivery carrier for in vivo drug delivery or intracellular drug delivery, but also for in vivo imaging or cell imaging. The complex can be used for producing separating agents for effectively separating biological materials, therapeutic agents for hyperthermia, etc., contrast agents for MRI, and beads applicable to biosensors.
Type:
Grant
Filed:
November 3, 2010
Date of Patent:
August 1, 2017
Assignees:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SNU R&DB FOUNDATION
Inventors:
Nam-Hyuk Cho, Taek-Chin Cheong, Seung-Yong Seong, Ji Hyun Min, Jun Hua Wu, Young-Keun Kim
Abstract: An antenna is described including a slot formed in a cavity, a substrate configured to cover a portion of the cavity and the slot, and a first port and a second port configured to supply power to the antenna using a first feeding line and a second feeding line. Each of the feeding line and the second feeding line is connected to the slot in a vertical direction and disposed to be separate from one another. A first input impedance of the antenna from the first port differs from a second input impedance of the antenna from the second port.
Type:
Grant
Filed:
February 21, 2014
Date of Patent:
August 1, 2017
Assignees:
Samsung Electronics Co., Ltd., SNU R&DB Foundation
Inventors:
Jae Sup Lee, Seong Joong Kim, Seok Ju Yun, Sang Wook Nam, Su Min Yun
Abstract: Disclosed are a method for controlling power and an apparatus therefor in a wireless communication system supporting device-to-device (D2D) communication. Specifically, a method for a terminal for controlling the transmission power of a physical sidelink discovery channel (PSDCH) in a wireless communication system supporting D2D communication comprises the steps of: calculating the sum of reception strengths of the total number of PSDCHs received from a set PSDCH reception period; and transmitting the PSDCH, wherein if the sum of reception strengths of the total number of PSDCHs is greater than a previously set threshold value, then the PSDCH to be transmitted is transmitted under the transmission power controlled by the terminal, and if the sum of reception strengths of the total number of PSDCHs is less than a previously set threshold value, then the PSDCH to be transmitted can be transmitted under the maximum transmission power.
Type:
Application
Filed:
July 24, 2015
Publication date:
July 27, 2017
Applicants:
LG ELECTRONICS INC., SNU R&DB FOUNDATION
Inventors:
Hakseong KIM, Jongwoo HONG, Sunghyun CHOI, Hoyoung YOON
Abstract: A method for performing positioning for estimating position in a wireless communication system according to the present invention comprises transmitting, by a first UE, a positioning request message for performing the positioning to an eNB; transmitting, by the eNB, an anchor request message to neighboring UEs within a cell to find UEs which may become a second UE; receiving, the eNB, an anchor response message corresponding to a response to the anchor request message from at least one UE from among neighboring UEs within the cell; and determining, by the eNB, the second UE based on the received anchor response message.
Type:
Application
Filed:
July 21, 2015
Publication date:
July 27, 2017
Applicants:
LG Electronics Inc., SNU R&DB Foundation
Inventors:
Hakseong KIM, Hanbyul SEO, Seonik SEONG, Kwangbok LEE, Sunghyun CHOI
Abstract: The present disclosure relates to a method for message flooding in a wireless communication system, and is characterized in that it includes the steps of: broadcasting, by a transmission node, a flooding message to a surrounding node through a first common channel; checking, by a reception node, whether the first common channel has received the flooding message; transmitting, by the reception node, an ACK signal through a second common channel or a NACK signal through a third common channel, based on a result of the check; and determining, by the transmission node, whether the second common channel or the third common channel has detected a signal, to determine whether to re-transmit the flooding message.
Type:
Application
Filed:
July 29, 2015
Publication date:
July 27, 2017
Applicants:
LG ELECTRONICS INC., SNU R&DB FOUNDATION
Inventors:
Hakseong KIM, Daeho KANG, Saewoong BAHK
Abstract: Disclosed herein is a surgical robot control apparatus, in which a control stick member is connected to an upper surface of a base member, pivots and rotates around a connection portion, and is provided with a rotary button control member, a mode switching button member, and a control member which can be operated with the thumb. Thus, the surgical robot control apparatus can realize multiple functions. A surgeon can grasp the control stick member to easily control operation of a surgical robot and can perform other work using the other hand. Thereby, when performing surgery, the surgical robot control apparatus remarkably reduces the fatigue of the surgeon, thereby providing a surgical environment that is convenient and safe; and which provides maximized efficiency. Further, the surgical robot control apparatus can increase the safety of a patient using a safety device based on a buttons, software, and hardware while performing surgery.
Type:
Grant
Filed:
May 18, 2015
Date of Patent:
July 25, 2017
Assignee:
SNU R&DB FOUNDATION
Inventors:
Sungwan Kim, Youdan Kim, Hyeon Hoe Kim, Hee Chan Kim, Chan Gook Park, Choonghee Lee, Chiwon Lee, Yong Hyun Park, Seungwoo Noh, Chiyul Yoon
Abstract: The present invention provides a water-soluble fluorescent compound of resveratrone 6-O-?-glucoside [(E)-4-(8-hydroxy-6-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)naphthalen-2-yl)but-3-en-2-one] and its derivatives of Formula 1 which have at least one water-soluble substituent, and a method for preparing the same by a photochemical reaction of resveratrol 3-O-?-glucoside and its derivatives of having Formula 3 which are not fluorescent. Said new water-soluble fluorescent compounds has single-photon absorptive characteristics and/or two-photon absorptive characteristics as well as no or little toxicity, and can be usefully utilized in fields that requires water-soluble fluorescent characteristics (diagnosis, fluorescent probe, in vivo imaging, display, etc.).
Type:
Grant
Filed:
September 5, 2012
Date of Patent:
July 18, 2017
Assignee:
SNU R&DB Foundation
Inventors:
Seong Keun Kim, Seung Yang, II, Seon Jin Hwang, Jung Eun Lee, Jong Woo Lee, Jun Hee Kang, Eun Hak Lim
Abstract: A recombinant yeast cell capable of consuming glucose at an increased rate, and a method of efficiently producing glycolysis-derived products using the recombinant yeast cell.
Type:
Grant
Filed:
February 27, 2015
Date of Patent:
July 11, 2017
Assignees:
SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
Inventors:
Jiyoon Song, Jisook Hahn, Changduk Kang, Daehee Kim, Seunghyun Lee, Sunghaeng Lee, Kwangmyung Cho
Abstract: A display apparatus having a virtual machine includes a reception module configured to receive an application written in a specific programming language, a detector configured to detect a first data format included in the application, a translator configured to translate the detected first data format into a second data format capable of being processed by an enhanced virtual machine, the enhanced virtual machine configured to process the translated second data format, a video processor configured to translate the second data format processed by the enhanced virtual machine into outputtable data, and a display module configured to output the translated data.
Type:
Grant
Filed:
April 19, 2012
Date of Patent:
July 4, 2017
Assignees:
LG Electronics Inc., SNU R&DB Foundation
Inventors:
Byungseon Shin, Soomook Moon, Dongheon Jung, Sukwon Park
Abstract: A power supply and a gate driver includes a power switching element to control current, a control circuit to output a control signal for opening or closing of the power switching element, and a gate drive circuit to open or close the power switching element in accordance with the control signal. The gate drive circuit includes a first inductive circuit connected to a supply voltage source, and a second inductive circuit connected to an input stage of the power switching element, and transfers electrical energy stored in the input stage of the power switching element, using the first and second inductive circuits. Accordingly, electrical energy supplied to the input stage of the power switching element during an ON state of the power switching element is again recovered during an OFF state of the power switching element.
Type:
Grant
Filed:
December 9, 2014
Date of Patent:
July 4, 2017
Assignees:
SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
Inventors:
Jong Hyun Shin, Jaeha Kim, Hyun Soo Park, Jung-Ik Ha, Taewook Kang
Abstract: A memory storage apparatus interworking with a database management system and a file system includes a flash translation layer (FTL) configured to guarantee atomicity of a transaction for the database management system by utilizing a copy-on-write (CoW) mechanism.
Type:
Grant
Filed:
May 2, 2014
Date of Patent:
June 6, 2017
Assignees:
Research & Business Foundation Sungkyunkwan University, SNU R&DB Foundation
Inventors:
Sang Won Lee, Woon Hak Kang, Gih Wan Oh, Bongki Moon
Abstract: An amine-based compound is represented by Formula 1: An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer and the amine-based compound represented by Formula 1. The OLED including the amine-based compound represented by Formula 1 has good color purity, low driving voltage, high efficiency, high brightness, and/or a long lifetime.
Type:
Grant
Filed:
June 18, 2014
Date of Patent:
June 6, 2017
Assignees:
Samsung Display Co., Ltd., SNU R&DB Foundation
Inventors:
Mi-Kyung Kim, Chang-Woong Chu, Sam-Il Kho, Dong-Hyun Kim, Kwan-Hee Lee, Jong-In Hong, Seong-Jin Jeong
Abstract: The present invention relates to a spark discharge generator. The spark discharge system of the present invention includes a plurality of columnar electrodes and a ground plate having a plurality of outlet holes at positions corresponding to the columnar electrodes. The use of the spark discharge generator enables the production of a three-dimensionally shaped nanostructure array on a large area in a uniform and rapid manner.
Type:
Grant
Filed:
December 19, 2013
Date of Patent:
June 6, 2017
Assignees:
Global Frontier Center—Multiscale Energy Systems, SNU R&DB Foundation
Inventors:
Man Soo Choi, Kyungyeon Ha, Hoseop Choi, Kyuhee Han, Kinam Jung, Dongjoon Lee, Sukbyung Chae
Abstract: According to one embodiment of the present invention, an electronic device includes: a carbon layer including graphene, a thin film layer formed on the carbon layer, a channel layer formed on the thin film layer, a current cutoff layer formed between the thin film layer and the channel layer so as to cut off the flow of current between the thin film layer and the channel layer, and a source electrode and a drain electrode formed on the channel layer.
Abstract: A method for labeling exosomes with a radioactive substance using an amine group on surfaces of the exosomes includes providing a cell-derived exosome, treating a surface of the exosome with N-hydroxysuccinimide-azadibenzocyclooctyne (NHS-ADIBO), and mixing the treated exosome with N3-introduced chelator-radioactive substance to conduct a reaction between the chelator and an amine group present on the surface of the exosome, wherein the radioactive substance is introduced inside the exosome by the above reaction. The exosomes can be stably labeled at high labeling efficiency, and the exosomes can be favorably used as an agent for nuclear medicine imaging and therapeutic imaging for confirming the biological distribution of exosomes and whether the exosomes move to target organs and target diseases in animals including a human being.
Type:
Application
Filed:
May 13, 2015
Publication date:
May 25, 2017
Applicants:
SNU R&DB FOUNDATION, POSTECH ACADEMY-INDUSTRY FOUNDATION
Inventors:
Dong Soo LEE, Do Won HWANG, Hongyoon CHOI, Yun-Sang LEE, Jae Min JEONG, Yong Song GHO, Su Chul JANG
Abstract: Provided are a novel compound, preparing method thereof, and use thereof as inhibitor of histone demethylase. The compound represented by Chemical Formula 1 has activity which inhibits histone demethylase and thus is capable of specifically and effectively inhibit activity of histone demethylase.
Type:
Grant
Filed:
April 2, 2014
Date of Patent:
May 16, 2017
Assignees:
SNU R&DB FOUNDATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventors:
Dong-Chan Oh, Seong-Hwan Kim, Jongheon Shin, Hak Cheol Kwon, So Hee Kwon
Abstract: Methods are described for improving reproducibility of mass spectrum and quantitative analysis method using the same. More particularly, methods for improving reproducibility of a mass spectrum of a chemical compound, wherein temperatures of an ion generation reaction are controlled to be the same with each other, or wherein spectra of which temperature of ion generation reaction are the same with each other are selected from mass spectra of a chemical compound are described. In addition, methods for measuring an equilibrium constant of a proton transfer reaction between a matrix and an analyte at a certain temperature, for obtaining a calibration curve for quantitative analysis, and for quantitative analysis of an analyte by using mass spectra area described.
Type:
Grant
Filed:
July 17, 2013
Date of Patent:
May 9, 2017
Assignees:
SNU R&DB FOUNDATION, ASTA CO., LTD.
Inventors:
Taeghwan Hyeon, Myung Soo Kim, Yong Jin Bae, Kyung Man Park, Sung Hee Ahn
Abstract: A method of operating a memory device includes: determining an erase mode based on a number of erase cycles performed on a memory block and an erase voltage utilized to perform each erase cycle; and setting an erase voltage level for executing an erase operation on the memory block based on the determined erase mode.
Type:
Grant
Filed:
May 27, 2014
Date of Patent:
May 9, 2017
Assignees:
SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
Inventors:
Sangkwon Moon, Kyung Ho Kim, Jihong Kim, Jaeyong Jeong