Patents Assigned to Hongik University Industry-Academia Cooperation Foundation
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Patent number: 11152082Abstract: A protein memory cell and a protein memory system are provided. The protein memory cell includes: first and second electrodes disposed to be spaced apart from each other on a micro channel; a gap region defined between the first and second electrodes on the micro channel; an outer region defined as an opposite side to the gap region based on the first or second electrode on the micro channel; and a photosensitive protein changing conductivity between the first and second electrodes while moving between the gap region and the outer region depending on structural conversion of a chromophore.Type: GrantFiled: February 24, 2020Date of Patent: October 19, 2021Assignees: HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATION, MYONGJI UNIVERSITY INDUSTRY AND ACADEMIA COOPERATION FOUNDATIONInventors: Minsub Chung, Sangmin Lee, Hwajin Lee, Tran Nguyen Anh Nhung, Dohyun Kim, Nebiyu Getachew Arega, Minh Khang Chau
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Publication number: 20210301202Abstract: Provided are a quantum dot, a method of preparing the quantum dot, an optical member including the quantum dot, and an electronic device including the quantum dot. The quantum dot includes a core including indium (In), A1, and A2; and a shell covering the core. A1 is a Group V element, A2 is a Group III element other than indium, and the core includes a first region, and a second region covering the first region. The first region does not include A2, and includes indium and A1, and the second region includes indium, A1, and A2, and indium and A2 are alloyed with each other in the second region.Type: ApplicationFiled: March 16, 2021Publication date: September 30, 2021Applicants: Samsung Display Co., Ltd., Hongik University Industry-Academia Cooperation FoundationInventors: Yunhyuk KO, Heesun YANG, Changhee LEE, Kyunghye KIM, Sungwoon KIM, Jungho JO
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Patent number: 11081797Abstract: There is disclosed a method which is capable of calibrating or tuning the characteristics of individual antenna elements constituting an array antenna. The performance of the individual antenna elements can be improved by calibrating or tuning the characteristics of the individual antenna elements, and thus an array antenna can be installed even in a narrow space and can receive GPS signals.Type: GrantFiled: November 23, 2017Date of Patent: August 3, 2021Assignee: Hongik University Industry-Academia Cooperation FoundationInventors: Ho Sung Choo, Gang Il Byun, Tae Heung Lim, Taek Ki Lee
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Patent number: 11056787Abstract: A hybrid antenna used for an electronic device is disclosed. A hybrid antenna comprises: a substrate comprising a first surface and a second surface and having an insulator; a first conductive member disposed on the first surface of the substrate and having a hole formed therein; a second conductive member disposed on a first area of the second surface of the substrate; and a third conductive member disposed on a second area of the second surface of the substrate and connected to a ground of an electronic device, wherein a first portion of the first conductive member operates as a first antenna for receiving a broadband signal and supplying power to the electronic device, and a second portion operates as a second antenna for receiving wireless power and supplying power to the electronic device, wherein a first power feeding unit is formed between the first antenna and second antenna.Type: GrantFiled: February 10, 2017Date of Patent: July 6, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATIONInventors: Jae-Hyun Park, Jeong-Hae Lee, Young-Ho Ryu, Chang-Hyun Lee, Min-Seo Park, Sung-Bum Park, Kwi-Seob Um, Chong-Min Lee
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Publication number: 20200274254Abstract: The present disclosure relates to a technology for designing a transmitarray antenna based on the mode and incidence angle of feed radio waves. The transmitarray antenna according to one embodiment of the present disclosure includes a plurality of transmitting surface unit cells having different surface structures and different longitudinal lengths located in a plurality of regions, wherein the transmitting surface unit cells are arranged in a mixed manner in the regions based on the different longitudinal lengths and the phase of a transmission coefficient determined based on an input phase and an output phase based on the mode and incidence angle of radio waves transmitted from a feed antenna.Type: ApplicationFiled: October 22, 2019Publication date: August 27, 2020Applicants: HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATION, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITYInventors: Jeong Hae LEE, Bomson LEE, Chang Hyeon LEE
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Patent number: 10727585Abstract: Provided is a directional monopole array antenna using a hybrid ground plane in which a plurality of monopole antennas are connected in a form of an array, wherein the monopole antennas includes: a ground plane designed to be divided into a PMC (perfect magnetic conductor) and a PEC (perfect electric conductor) such that a surface current induced in the PEC flows in a direction; and an antenna device vertically disposed in the ground plane.Type: GrantFiled: July 24, 2017Date of Patent: July 28, 2020Assignee: Hongik University Industry-Academia Cooperation FoundationInventors: Jeong-Hae Lee, Jae-Gon Lee
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Publication number: 20200235827Abstract: There is disclosed a method which is capable of calibrating or tuning the characteristics of individual antenna elements constituting an array antenna. The performance of the individual antenna elements can be improved by calibrating or tuning the characteristics of the individual antenna elements, and thus an array antenna can be installed even in a narrow space and can receive GPS signals.Type: ApplicationFiled: November 23, 2017Publication date: July 23, 2020Applicant: Hongik University Industry-Academia Cooperation FoundationInventors: Ho Sung CHOO, Gang Il BYUN, Tae Heung LIM, Taek Ki LEE
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Publication number: 20190361678Abstract: A method of verifying randomness of a bitstream is disclosed. The method includes receiving a bitstream consisting of n consecutive bits and dividing the bitstream into a plurality of bit blocks. In this case, n is a natural number of two or greater, each of the bit blocks consists of m consecutive bits, and m is a natural number of two or greater and is smaller than n. Further, the method includes allocating the plurality of bit blocks to a plurality of core groups in a graphics processing unit (GPU), processing the allocated bit blocks in the plurality of core groups in parallel, calculating random number level values of the allocated bit blocks, and determining whether the bitstream has randomness based on the calculated random number level values. Each of the core groups includes a plurality of cores capable of performing identical or similar tasks without separate synchronization.Type: ApplicationFiled: May 24, 2019Publication date: November 28, 2019Applicant: Hongik University Industry-Academia Cooperation FoundationInventors: HyungGyoon Kim, Hyungmin Cho, Changwoo Pyo
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Patent number: 10403360Abstract: A nonvolatile protein memory system with optical write/erase and electrical readout capability is provided. The nonvolatile protein memory system includes: a substrate including a microfluidic channel having a pH gradient; a photosensitive protein disposed in the microfluidic channel; and a first electrode and a second electrode disposed on the microfluidic channel and spaced apart from each other and detecting a position change of the photosensitive protein in the microfluidic channel.Type: GrantFiled: May 31, 2018Date of Patent: September 3, 2019Assignees: KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP, MYONGJI UNIVERSITY INDUSTRY AND ACADEMIA COOPERATION FOUNDATION, HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATIONInventors: Dohyun Kim, Jin Song, Jintae Kim, Minsub Chung, Kyungju Song, Yeji Kim
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Patent number: 10312382Abstract: Disclosed is a quenching circuit including an avalanche photodiode and a quenching diode applying a bias voltage to the avalanche photodiode. Since the quenching circuit includes the quenching diode instead of a quenching resistor, the avalanche photodiode can quickly recover to linear mode from Geiger mode, and the bias voltage applied to the avalanche photodiode is stably maintained even though a current level of the avalanche photodiode fluctuates according to the intensity of incident light.Type: GrantFiled: March 21, 2018Date of Patent: June 4, 2019Assignee: Hongik University Industry-Academia Cooperation FoundationInventors: Ho Young Cha, Jongik Kang
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Patent number: 10270179Abstract: A beam steering system of a high-gain antenna includes an antenna configured to include a printed circuit board in which an antenna element is designed, and a ground plane, wherein the printed circuit board and the ground plane may be each adhered onto upper and lower surfaces of the antenna; a paraelectric material configured to be separated from the upper surface of the antenna with a predetermined distance and is divided into a plurality of cells, whose relative permittivity varies depending on a voltage applied to a pair of thin metallic conductor patches adhered to upper and lower surfaces of each cell; and a power supply unit configured to supply the voltage to the pair of thin metallic conductor patches which are each adhered to the upper and lower surfaces of the cell to face each other.Type: GrantFiled: July 5, 2016Date of Patent: April 23, 2019Assignee: Hongik University Industry-Academia Cooperation FoundationInventors: Jeong-Hae Lee, Jae-Gon Lee
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Patent number: 10222546Abstract: There are provided green-emitting quantum dots (QDs) including I-III-VI type ternary Cu—Ga—S core QDs and ZnS multishell wherein Cu:Ga is 1:10 to 1:1, and a fabricating method thereof. Integration of these QDs and red-emitting QDs into a blue LED leads to the fabrication of a white light-emitting device with high color rendering index. There are also provided blue-emitting QDs including I-III-VI type quaternary Zn—Cu—Ga—S or Cu—Ga—Al—S core QDs and ZnS multishell, and a fabricating method thereof. An electrically-driven blue light-emitting device with a QD emitting layer including these QDs interposed between a hole transport layer and an electron transport layer is fabricated.Type: GrantFiled: July 14, 2017Date of Patent: March 5, 2019Assignee: HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATIONInventors: Hee-Sun Yang, Jong-Hoon Kim, Bu-Yong Kim
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Patent number: 10211903Abstract: An apparatus for transmitting simultaneous multiple beams to targets at near and far fields includes: a communication unit consisting of a plurality of unit cells, and configured to communicate a signal or power via antennas provided in each of the unit cells; and a control unit configured to calculate a phase of a voltage applied to the antennas so as to simultaneously transmit the power or signal to the targets at the near and far fields.Type: GrantFiled: April 13, 2018Date of Patent: February 19, 2019Assignee: Hongik University Industry-Academia Cooperation FoundationInventors: Jeong-Hae Lee, Sun-Gyu Lee, Jae-Gon Lee, Chang-Hyun Lee, Sang Wook Chi
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Publication number: 20180252864Abstract: There are provided green-emitting quantum dots (QDs) including I-III-VI type ternary Cu—Ga—S core QDs and ZnS multishell wherein Cu:Ga is 1:10 to 1:1, and a fabricating method thereof. Integration of these QDs and red-emitting QDs into a blue LED leads to the fabrication of a white light-emitting device with high color rendering index. There are also provided blue-emitting QDs including I-III-VI type quaternary Zn—Cu—Ga—S or Cu—Ga—Al—S core QDs and ZnS multishell, and a fabricating method thereof. An electrically-driven blue light-emitting device with a QD emitting layer including these QDs interposed between a hole transport layer and an electron transport layer is fabricated.Type: ApplicationFiled: July 14, 2017Publication date: September 6, 2018Applicant: HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATIONInventors: Hee-Sun YANG, Jong-Hoon KIM, Bu-Yong KIM
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Publication number: 20170373399Abstract: A beam steering system of a high-gain antenna includes an antenna configured to include a printed circuit board in which an antenna element is designed, and a ground plane, wherein the printed circuit board and the ground plane may be each adhered onto upper and lower surfaces of the antenna; a paraelectric material configured to be separated from the upper surface of the antenna with a predetermined distance and is divided into a plurality of cells, whose relative permittivity varies depending on a voltage applied to a pair of thin metallic conductor patches adhered to upper and lower surfaces of each cell; and a power supply unit configured to supply the voltage to the pair of thin metallic conductor patches which are each adhered to the upper and lower surfaces of the cell to face each other.Type: ApplicationFiled: July 5, 2016Publication date: December 28, 2017Applicant: Hongik University Industry-Academia Cooperation FoundationInventors: Jeong-Hae LEE, Jae-Gon LEE
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Patent number: 9846736Abstract: Disclosed is a method of predicting user's position. This method comprises, creating information on a plurality of location clusters by processing a plurality of position data for a user with a probability based clustering algorithm; receiving a current position data of the user and determining a first location cluster to which the current data is mapped among the plurality of location clusters; and creating second information related to a probability that the user moves from the first location cluster to a second location cluster among the plurality of location clusters. The position data is a data tuple including latitude, longitude, and time. For all the plurality of location clusters, the information includes a determined representative position value of each of the location clusters.Type: GrantFiled: June 25, 2012Date of Patent: December 19, 2017Assignees: SANGSU-DONG, HONGIK UNIVERSITY, HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATIONInventor: Ha Yoon Song
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Patent number: 9705364Abstract: A wireless power transmission method includes searching for one or more routes to be used to transmit power to a reception resonator through one or more relay resonators, and converting the routes to respective one or more two-port networks. The method further includes calculating a transmission efficiency of each of the routes based on the two-port networks, and selecting a route with a highest transmission efficiency from the routes. The method further includes wirelessly transmitting power to the reception resonator through the selected route.Type: GrantFiled: April 15, 2014Date of Patent: July 11, 2017Assignees: Samsung Electronics Co., Ltd., Hongik University Industry-Academia Cooperation FoundationInventors: Jae Hyun Park, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Dong Zo Kim, Bong Chul Kim, Ju Hui Kim, Byung Chul Park, Yun Kwon Park, Keum Su Song, Chi Hyung Ahn, Byoung Hee Lee, Jeong Hae Lee
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Publication number: 20150008753Abstract: A wireless power transmission method includes searching for one or more routes to be used to transmit power to a reception resonator through one or more relay resonators, and converting the routes to respective one or more two-port networks. The method further includes calculating a transmission efficiency of each of the routes based on the two-port networks, and selecting a route with a highest transmission efficiency from the routes. The method further includes wirelessly transmitting power to the reception resonator through the selected route.Type: ApplicationFiled: April 15, 2014Publication date: January 8, 2015Applicants: SAMSUNG ELECTRONICS CO., LTD., HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATIONInventors: Jae Hyun PARK, Young Ho RYU, Sang Wook KWON, Ki Young KIM, Dong Zo KIM, Bong Chul KIM, Ju Hui KIM, Byung Chul PARK, Yun Kwon PARK, Keum Su SONG, Chi Hyung AHN, Byoung Hee LEE, Jeong Hae LEE
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Patent number: 8797219Abstract: The present invention relates to an infinite wavelength antenna device, which includes: a board body made of a dielectric and having a slab structure; a feed part arranged on one surface of the board body, and generating a magnetic field when power is applied; and an MNG resonance part arranged on the board body so that a preset distance is maintained from the feed part and at least a portion thereof is placed within the magnetic field, grounded through both ends thereof, resonating at a specific frequency band when the magnetic field is generated, and having a negative permeability. In the present invention, as the infinite wavelength antenna device operates according to the infinite wavelength property, the resonant frequency band may be determined independently of the size of the antenna device. Hence, miniaturization of the infinite wavelength antenna device can be realized.Type: GrantFiled: December 9, 2009Date of Patent: August 5, 2014Assignees: Samsung Electronics Co., Ltd., Hongik University Industry-Academia Cooperation FoundationInventors: Jae Woo Ko, Jeong Hae Lee, Joon Hyun Baek, Jae Hyun Park
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Patent number: 8265407Abstract: A method for coding three-dimensional (3D) data, and more particularly for coding geometry data included in the 3D data. The method includes: generating a bounding box including a vertex of the 3D data based on information included in the geometry data; dividing the bounding box into a plurality of partitions having an equal size; identifying a number of vertices included in each divided partition; appointing a divided partition as a leaf cell based on the identified number of vertices; and coding the geometry data using information on the dividing of the bounding box, information on vertices included in each divided partition, and information indicating the position of a vertex included in the leaf cell, when a divided partition is subdivided.Type: GrantFiled: February 13, 2009Date of Patent: September 11, 2012Assignees: Samsung Electronics Co., Ltd, Hongik University Industry-Academia Cooperation FoundationInventors: Soo-Kyun Kim, Sang-Wook Oh, Byung-Jun Son, Tae-Hwa Hong, Sung-Dae Cho, Hae-Young Lee, Dae-Young Kim, Sung-Yeol Lee, Nak-Kwon Lim