Abstract: A solid electrolyte polymer including a cross-linked polyvinylidene fluoride (PVDF)-based polymer, and a polymer actuator including the cross-linked PVDF-based polymer and an electrolytic material.
Type:
Grant
Filed:
December 8, 2009
Date of Patent:
July 9, 2013
Assignees:
Samsung Electronics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
Abstract: A nano/micro-sized diode and a method of preparing the same, the diode including: a first electrode; a second electrode; and a diode layer that is disposed between the first electrode and the second electrode. The diode layer includes a first layer and a second layer. The first layer is disposed on the first electrode and has a first surface that is electrically connected to the first electrode, and an opposing second surface that has a protrusion. The second layer is disposed between the first layer and the second electrode and has a first surface having a recess that corresponds to the protrusion, and an opposing second surface that is electrically connected to the second electrode.
Type:
Grant
Filed:
September 29, 2008
Date of Patent:
June 25, 2013
Assignees:
Samsung Electronics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
Abstract: An apparatus and method for removing a transmission leakage signal from a radio frequency identification (RFID) reader are provided. The apparatus includes a removing unit having a device of a large impedance and a phase shifter capable of a wide range phase change with respect to a leakage signal, thereby optimally removing the transmission leakage signal irrespective of a change in the frequency characteristics and a change in the length of a cable.
Type:
Grant
Filed:
June 2, 2011
Date of Patent:
June 11, 2013
Assignees:
Samsung Techwin Co., Ltd., Sungkyunkwan University Foundation for Corporate
Inventors:
Sung-chan Jung, Youngoo Yang, Min-su Kim
Abstract: There is provided a method of manufacturing an organic thin film transistor. The method includes forming a plurality of barrier ribs on an insulating substrate and forming a plurality of grooves partitioned by the barrier ribs. The method further includes forming a source electrode, a drain electrode, and a gate electrode on the grooves, respectively. The method also includes forming an opening by etching the barrier ribs between the source electrode and the gate electrode and between the gate electrode and the drain electrode. The method further includes forming a gate insulating film on the opening; and forming an organic semiconductor layer on the gate insulating film.
Type:
Application
Filed:
December 20, 2012
Publication date:
May 30, 2013
Applicants:
SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration, SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventors:
Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Coporate Collaboration
Abstract: The present invention relates to a novel siRNA structure and the use thereof, and more particularly to a double-stranded siRNA molecule comprising an antisense strand and a sense strand, wherein the siRNA molecule has at least one single nucleotide bulge formed by introducing a single nucleotide into the antisense strand, particularly at position 2 from the 5? end, and to a method of using the same to silence a target gene. The siRNA molecule of the invention shows high target gene silencing efficiency while minimizing off-target effects caused by the antisense strand, and thus has improved target selectivity. Accordingly, the siRNA molecule of the invention can be substituted for conventional siRNA molecules and can be widely be used in siRNA-based gene silencing techniques, including gene therapy.
Type:
Application
Filed:
November 4, 2010
Publication date:
May 23, 2013
Applicant:
Sungkyunkwan University Foundation For Corporate Collaboration
Abstract: A distributed coded video decoding apparatus includes a key picture decoding unit for reconstructing a key picture, a side information generation unit for generating side information using the key picture and/or previously reconstructed WZ pictures, a side information update unit for updating the side information using the side information and corrected reconstructed video, a channel code decoding unit for decoding quantization symbols, a video reconstruction unit for reconstructing a current WZ picture using the quantization symbols and the side information, and a video correction unit for calculating the reconstructed data reliability using channel code decoded data reliability of the decoded data and/or the reconstructed video reliability determining whether to correct the reconstructed video and determining a correction value based on the calculated the reconstructed data reliability and then correcting the reconstructed video.
Type:
Grant
Filed:
February 25, 2009
Date of Patent:
May 21, 2013
Assignee:
Sungkyunkwan University Foundation for Corporate Collaboration
Abstract: Disclosed herein is a crosslinkable thermoset monomer. The crosslinkable thermoset monomer has acetylene groups as crosslinking groups introduced at both ends of the backbone. Also disclosed herein is a composition for producing a printed circuit board which comprises the crosslinkable thermoset monomer. The composition exhibits excellent mechanical and thermal properties. Therefore, the composition can be used as a material for next-generation boards that are becoming lighter in weight and smaller in size and thickness. Also disclosed herein is a printed circuit board using the composition.
Type:
Grant
Filed:
December 11, 2008
Date of Patent:
May 14, 2013
Assignees:
Samsung Electronics Co., Ltd., Samsung Electro-Mechanics Co., Ltd., Samsung Fine Chemicals Co., Ltd., Sungkyunkwan University Foundation For Corporate Collaboration
Inventors:
Chung Kun Cho, Myung Sup Jung, Mahn Jong Kim, Jin Young Bae, Chung Won Park
Abstract: Disclosed herein is an apparatus and method for managing images based on user preferences. The apparatus includes a database for storing images, an image search module for searching the images stored in the database, an image output module for outputting at least one image retrieved by the image search module, a preference input module for, when the retrieved image is output through the image output module, receiving a user preference for the output image from a user, and an image path database for storing a storage path of the image, output through the image output module, based on the user preference received through the user preference input module. The image search module searches images whose storage paths are stored in the image path database or images whose storage paths are not stored in the image path database according to the user's selection.
Type:
Grant
Filed:
February 26, 2010
Date of Patent:
April 30, 2013
Assignee:
Sungkyunkwan University Foundation for Corporate Collaboration
Inventors:
Jae Wook Jeon, Gi Hoon Go, Min Kyung Kim, Hyun Uk Jung, Myung Jin Kim, Soon Mook Jung, Tae Houn Song
Abstract: Provided are a method of manufacturing graphene, graphene manufactured by the method, a conductive thin film including the graphene, a transparent electrode comprising the graphene, and a radiating or heating device comprising the graphene. The method includes: preparing a graphene member including a base member, a hydrophilic oxide layer formed on the base member, a hydrophobic metal catalyst layer formed on the oxide layer, and graphene grown on the metal catalyst layer; applying water to the graphene member; separating the metal catalyst layer from the oxide layer; and removing the metal catalyst layer using an etching process.
Type:
Grant
Filed:
September 21, 2010
Date of Patent:
April 30, 2013
Assignees:
Samsung Techwin Co., Ltd., Sungkyunkwan University Foundation for Corporate
Inventors:
Young-il Song, Jong-hyun Ahn, Young-bin Lee, Byung-hee Hong
Abstract: Provided is an apparatus for estimating a frequency offset by one training symbol including two symbols having the same structure and value in an OFDM system. The apparatus includes a first likelihood function calculator for modeling non-Gaussian impulsive noise included in the training symbol to a Cauchy probability density function in which a characteristic exponent of a BIS?S probability density function is 1, and calculating a likelihood function of a Cauchy distribution using the Cauchy probability density function, and a first frequency offset estimator for estimating an effective frequency offset value in which the likelihood function of the Cauchy distribution of the first likelihood function calculator becomes highest as a frequency offset estimation value. Thereby, it is possible to improve the performance of frequency offset estimation in non-Gaussian impulsive noise environments.
Type:
Grant
Filed:
September 29, 2010
Date of Patent:
April 23, 2013
Assignee:
Sungkyunkwan University Foundation for Corporate Collaboration
Abstract: Disclosed are a maximum power point tracker, a power conversion controller, a power conversion device having an insulating structure, and a method for tracking maximum power point. The power conversion device includes: a DC/AC converter including a primary DC chopper unit having a primary switch, a transformer, and an AC/AC conversion unit including a secondary switch; a current detector detecting current from an input stage of the DC/AC converter and providing a detected current value; a voltage detector detecting a system voltage from an output stage of the DC/AC converter; and a power conversion controller generating a primary PWM signal to be provided to the primary DC chopper unit and secondary first and second PWM signals, having the mutually opposing phases, to be provided to the AC/AC conversion unit by using the detected current value and the system voltage.
Type:
Grant
Filed:
September 14, 2010
Date of Patent:
April 16, 2013
Assignees:
Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
Inventors:
Jin Wook Kim, Tae Won Lee, Dong Seong Oh, Yong Hyok Ji, Byoung Kuk Lee, Chung Yuen Won, Jae Hyung Kim, Young Ho Kim
Abstract: The present invention relates to a solder resist composition including: 1 to 10 parts by weight of a triazene curing agent; 1 to 10 parts by weight of a curing accelerator; and 10 to 50 parts by weight of a diluent, with respect to 100 parts by weight of an epoxy base, a board for a package comprising a solder resist opening using the same, and a method for preparing the board for a package. According to the present invention, it is possible to form a small solder resist opening of less than about 50 ?m through laser ablation and improve laser processability of the thermosetting solder resist composition.
Type:
Application
Filed:
October 11, 2012
Publication date:
April 11, 2013
Applicants:
SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION, SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventors:
SAMSUNG ELECTRO-MECHANICS CO., LTD., SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION
Abstract: The present invention relates to ultrafine fiber-based composites comprising at least one ultrafine fiber-type hydrophobic polymer and oxide moisture absorbent particles distributed on the polymer. The ultrafine fiber-based composites may be appropriately used as sealing materials which can prevent the functional deterioration of electric or electronic devices and enhance the stability due to their high hydroscopicity and ability to maintain their appearance without change after the absorption of moisture.
Type:
Application
Filed:
October 6, 2011
Publication date:
April 11, 2013
Applicants:
SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION OF SUNGKYUNKWAN UNIVERSITY, KANEKA CORPORATION
Inventors:
Jun Young Lee, Lyong Sun Pu, Sung Hee Kim
Abstract: Disclosed herein is a method of sensor network localization through reconstruction of a radiation pattern with a characteristic value of an antenna depending on orientation thereof. The method can minimize errors using an antenna characteristic value and a signal strength depending on the orientation. In addition, the method can minimize errors using an artificial neural network to characterize a distorted radiation pattern of an antenna and using it for the localization of a triangulation method. Furthermore, the method can increases the localization rate even in a passive localization method by characterizing an asymmetric antenna radiation pattern and constructing the antenna characteristic through an artificial neural network.
Type:
Grant
Filed:
February 17, 2009
Date of Patent:
April 9, 2013
Assignee:
Sungkyunkwan University Foundation for Corporate Collaboration
Abstract: There are provided an apparatus and a method for controlling the power quality of a power generation system. According to the present invention, there is provided an apparatus for controlling the power quality of a power generation system including a DC/AC inverter converting DC voltage into AC voltage and supplying inverter current to a grid, including: a grid voltage phase follower generating a grid signal; a fundamental extractor extracting a magnitude of a fundamental wave of a load current introduced into a non-linear load connected between the DC/AC inverter and the grid; a first calculator subtracting a preset current compensation value from the magnitude of the fundamental wave from the fundamental extractor; and a second calculator generating an inverter current instruction value for the DC/AC inverter by using the output value of the first calculator and the grid signal and the load current from the grid voltage phase follower.
Type:
Grant
Filed:
October 18, 2010
Date of Patent:
March 26, 2013
Assignees:
Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
Inventors:
Tae Hoon Kim, Jae Hyung Kim, Jun Gu Kim, Yong Hyok Ji, Chung Yuen Won, Doo Young Song, Byoung Kuk Lee, Dong Seong Oh, Tae Won Lee, Jin Wook Kim
Abstract: The present application relates to a method for shielding electromagnetic waves by using graphene inside or outside an electromagnetic wave generating source and/or by using graphene formed on a substrate, and an electromagnetic shielding material including the graphene.
Type:
Application
Filed:
March 4, 2011
Publication date:
March 21, 2013
Applicant:
SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION
Inventors:
Byung Hee Hong, Jea-Boong Choi, Young Jin Kim, Hyeongkeun Kim, Sukang Bae, Junmo Kang
Abstract: An apparatus for removing a leakage signal includes a coupler including a transmission port through which a transmission signal is input, an antenna port through which the transmission signal is output to an antenna and a receiving signal is input from the antenna, and a receiving port through which the receiving signal is output; and a removing unit which outputs, to the receiving port, a leakage removing signal having a same magnitude as one of or a sum of a magnitude of a first leakage signal of the transmission signal, which is generated at the transmission port and input to the receiving port, and a magnitude of a second leakage signal of the transmission signal which is input to the receiving port through the antenna port, the leakage removing signal having an opposite phase to one of the phases or an aggregate phase of the first and second leakage signals.
Type:
Grant
Filed:
June 30, 2010
Date of Patent:
March 19, 2013
Assignees:
Samsung Techwin Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
Inventors:
Young-goo Yang, Min-su Kim, Sung-chan Jung
Abstract: Disclosed is an inter-cell interference mitigation method using a spatial covariance matrix (SCM) estimation method in a multi-input multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system for mitigating interference between asynchronous cells. The inter-cell interference mitigation method includes extracting a reference symbol (RS) of a received OFDM symbol and performing channel estimation, estimating an initial SCM using the RS signal and the channel estimation result, applying time-domain sinc type weighting to the initial SCM and applying an SCM, and demodulating a data symbol with mitigated inter-cell interference using the channel estimation result and the estimated SCM.
Type:
Grant
Filed:
September 15, 2009
Date of Patent:
February 26, 2013
Assignee:
SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration
Inventors:
Hyung-Jin Choi, Jun-Hee Jang, Jung-Su Han
Abstract: A context-aware role-based access control system and a control method thereof. The context-aware role-based access control system includes: a context-aware user assignment manager (CAUAM) for performing a role assignment function, a role delegation function, or a role revocation function for a user according to a context of the user, based on a preset context request condition; a context-aware permission assignment manager (CAPAM) for performing a permission modification, a permission restoration, and a personalized permission modification for a permission, which the role has, according to changes in the context of the user; an information repository for storing a user profile and context information; and an access control manager (ACM) for controlling the context-aware user assignment manager, the context-aware permission assignment manager, and the information repository, and processing an access control request.
Type:
Grant
Filed:
February 16, 2009
Date of Patent:
February 26, 2013
Assignee:
Sungkyunkwan University Foundation for Corporate Collaboration
Inventors:
Young-Ik Eom, Jung-Hwan Choi, Hyun-Su Jang, Youn-Woo Kim, Dong-Hyun Kang, Chang-Hwan Song
Abstract: Provided are a wireless communication system and a method of performing communication in the same. The wireless communication system includes a terminal configured to classify all subcarriers into a first group and a second group and allocate subcarriers of the first group to first symbols and subcarriers of the second group to the first symbols again to generate and transmit a first transmission signal, a base station configured to allocate the subcarriers of the first group to second symbols and the subcarriers of the second group to third symbols to generate and transmit a second transmission signal, and a relay configured to receive the first and second transmission signals and perform maximum likelihood (ML) determination of frequency domain signals of the first and second transmission signals to estimate the first to third symbols.
Type:
Grant
Filed:
August 3, 2010
Date of Patent:
February 19, 2013
Assignee:
SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration
Inventors:
Hyung-Jin Choi, Won-Jun Hwang, Se-Bin Im