Patents Assigned to Gwangju Institute of Science & Technology
  • Patent number: 10729912
    Abstract: An implantable photovoltaic device. The implantable photovoltaic device includes: at least two solar microcells configured to absorb sunlight; a thin film wire configured to connecting the at least two solar microcells to each other; a film configured to support the solar microcells; an upper encapsulation layer configured to encapsulate an upper side of the solar microcells and shield the solar microcells from the outside; and a lower encapsulation layer configured to encapsulate a lower side of the film and connect to the encapsulation layer. According to the idea of the present invention, it is possible to obtain a photovoltaic device which stably and harmlessly operates in a living body.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: August 4, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jongho Lee, Kwangsun Song, Yong Chul Kim, Jung Hyun Han
  • Patent number: 10732257
    Abstract: The vehicle includes: a plurality of vehicle antennas configured to receive a plurality of signals, respectively, from a remote control device; and a vehicle controller configured to: i) calculate an arrival distance between each of the plurality of vehicle antennas and the remote control device based on an arrival time of the plurality of signals received by the plurality of vehicle antennas, ii) extract an initial arrival pulse signal having a first reference value or higher from among at least one pulse signal contained in each of the plurality of signals, iii) extract at least one valid signal having a maximum value corresponding to a second reference value or higher from among the plurality of signals received by the plurality of vehicle antennas, iv) calculate an arrival distance of an initial arrival pulse signal contained in the at least one valid signal, and v) estimate a position of the remote control device based on the arrival distance.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: August 4, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Gwangju Institute of Science and Technology
    Inventors: Jihye Lee, Sinjung Kim, Jongyoung Lee, Daeyeon Kim, Kangwook Kim
  • Publication number: 20200243104
    Abstract: A residual echo estimator estimates a residual echo of a microphone signal input to a microphone as a reference signal is output through a speaker. The residual echo estimator estimates a magnitude of a residual echo of the reference signal at a current frame by using a magnitude of the linear echo of the reference signal at the current frame and a magnitude of the linear echo of the reference signal at a past frame, and updates weights to be applied to the magnitudes of the linear echo.
    Type: Application
    Filed: August 21, 2019
    Publication date: July 30, 2020
    Applicants: Samsung Electronics Co., Ltd., GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seongwoo KIM, Han Young YIM, Dongil HYUN, Jong Won SHIN, Hyungchan SONG
  • Publication number: 20200225325
    Abstract: A light detection and ranging (LiDAR) apparatus and a method of operating the LiDAR apparatus are provided. The LiDAR apparatus includes a light transmitter configured to irradiate a laser pulse towards an object, the laser pulse being generated based on a reference signal; a light receiver configured to receive the laser pulse reflected from the object and configured to obtain a first signal from the received laser pulse; and at least one processor configured to convert the first signal and the reference signal respectively into unipolar signals and configured to detect a flight time of the laser pulse based on a correlation between the converted first signal and the converted reference signal.
    Type: Application
    Filed: August 28, 2019
    Publication date: July 16, 2020
    Applicants: SAMSUNG ELECTRONICS CO., LTD., GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jungwoo KIM, Youngjoon JO, Kyihwan PARK
  • Patent number: 10707079
    Abstract: The present invention relates to a method for forming a layer, to be patterned, of an element by using a fluorinated material, which has orthogonality, and a solvent, the method comprising: a first step of printing with the fluorinated material so as to form, on a surface of a substrate, a mask template provided with an exposure part and a non-exposure part; a second step of coating the exposure part with a material to be patterned; a the third step of lifting-off the non-exposure part with the fluorinated solvent so as to form the layer to be patterned in the exposure part.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: July 7, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Myung Han Yoon, Su Jin Sung
  • Patent number: 10703858
    Abstract: A macromolecular photonic crystal material including an A block and a B block is disclosed. the A block comprises a crystalline polyhedral oligomeric POSS, the macromolecular photonic crystal material represented by the structural formula 1.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: July 7, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Suk Lee, Chang Geun Chae, Mallela Yadagiri Lakshmi Narasimha Kishore, Myung Jin Kim, In Gyu Bak, Ho Bin Seo, Yong Guen Yu
  • Patent number: 10700667
    Abstract: Disclosed are a metal-semiconductor-metal two-dimensional electron gas varactor (MSM-2DEG) and a method of manufacturing the same. There is provided an MSM-2DEG varactor having an asymmetric structure, which includes a first gate formed on a semiconductor layer, and a second gate spaced apart at a predetermined distance from the first gate and formed on the semiconductor layer, wherein the first gate and the second gate are different in shape and gate length.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: June 30, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Hyung Jang, Ji Hyun Hwang
  • Patent number: 10696753
    Abstract: Provided are a method of electrically modifying an electrode surface with dopamine-hyaluronic acid conjugates and technologies to suppress adsorption of harmful biomaterials and organisms by imparting anti-fouling to the electrode surface using the same and to maintain electrical properties of the electrode. More specifically, provided is a technology of coating an electrode surface via a dopamine functional group by electrochemically oxidizing dopamine-conjugated biocompatible polysaccharide polymers around the electrode. This aims to confirm the capability of suppressing organism adhesion depending on whether or not cells are adsorbed after coating the electrode surface, and to identify that electrochemical performance of the electrode is maintained or a slight increase in electrode resistance is kept, even after the electrode coating. The surface modified electrode according to the present invention can be widely used in the field of biomaterials such as bio-electrodes, bio-sensors and cell supports.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: June 30, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Young Lee, Semin Kim, Yesul Jang
  • Publication number: 20200175697
    Abstract: The present disclosure relates to a method and system for tracking an object of interest in real-time in a multi-camera environment capable of performing data communication without the occurrence of overlapping, and according to the present invention, an object of interest can be tracked in real-time on the basis of mutually captured image data even though capturing zones of a plurality of cameras capable of performing data communication according to the connection therebetween are not overlapped with each other.
    Type: Application
    Filed: January 23, 2018
    Publication date: June 4, 2020
    Applicant: GIST(Gwangju Institute of Science and Technology)
    Inventors: Moon Gu JEON, Hyung Uk CHOI
  • Patent number: 10636552
    Abstract: The present invention relates to a multi-function electronic device having a memristor and a memcapacitor and a method for manufacturing the same. The multi-function electronic device having a memristor and a memcapacitor has a laminated structure of a first insulating layer comprising an organic material/an active layer/a second insulating layer comprising an organic material, and thus has a resistance and capacitance varying with the applied voltage.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: April 28, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Moon Ho Ham, Myung Woo Son, Yun Bin Jeong
  • Patent number: 10615884
    Abstract: A low frequency ultrasonic communication system includes: a low frequency ultrasonic transmitting apparatus configured to transmit data using a low frequency ultrasonic wave; and a low frequency ultrasonic receiving apparatus configured to recover the data by processing a low frequency ultrasonic reception signal transmitted from the low frequency ultrasonic transmitting apparatus. In communication between the transmitting apparatus and the receiving apparatus, modulation is performed using a DPSK scheme, and FEC coding is used to perform channel coding before the modulation.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: April 7, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hong Kook Kim, Kwang Myung Jeon
  • Patent number: 10615030
    Abstract: An exemplary method of preparing nitrogen-doped graphene whereby it is possible to synthesize graphene having an improved surface coverage and a uniform single layer, and to prepare high quality graphene in a large area. In addition, an aromatic compound containing nitrogen can be used as a carbon source and nitrogen-doped graphene can be thus synthesized as nitrogen doped in the synthesis process. It is possible to control the electrical properties of graphene depending on the nitrogen doping.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: April 7, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Moon Ho Ham, Myung Woo Son
  • Patent number: 10605962
    Abstract: An imaging device using a plurality of lenses according to the present disclosure includes: a compound eye through which a detected image is obtained by a plurality of lenses; a measurement matrix storage unit in which at least one measurement matrix is stored; and an image recovery unit configured to recover an image from the detected image using a digital signal processing technique using sparse representation using the measurement matrix. According to the present disclosure, an imaging device may be obtained which may improve the resolution of an image even while a wide undistorted FOV, an infinite depth, and fast motion recognition, which may be obtained using compound eyes, are achieved. Accordingly, discrimination of an object by the compound eyes may be improved, so that a human having camera-type eyes may acquire image information while advantages of the compound eyes are maximized.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: March 31, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Heung No Lee, Woong Bi Lee, Hwan Chol Jang
  • Patent number: 10603539
    Abstract: An omnidirectional treadmill apparatus. The omnidirectional treadmill apparatus includes: a plurality of segments which are continuously arranged along the direction of a first axis, each of which having a belt part; a first rotation unit for rotating the plurality of segments along the direction of the first axis; and a second rotation unit for rotating the belt part of each segment in the direction of a second axis which is perpendicular to the first axis, wherein the belt part has a toothed surface which is tooth-engaged with the second rotation unit.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: March 31, 2020
    Assignees: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY, ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae-ye Moon, Jung-won Yoon, Sang-hun Pyo, Ho-soo Lee, Sang-joon Park, So-yeon Lee
  • Patent number: 10598931
    Abstract: Disclosed are a laser light source device for a head-up display and a head-up display system using the same, the laser light source device for the head-up display including a plurality of light sources which emit laser light and a condensing unit which condenses the laser light emitted from the light sources, is connected to an image forming unit that generates an image for displaying information on a vehicle operation using the laser light, and provides the condensed laser light to the image forming unit. The laser light source device for the head-up display according to the present disclosure and the head-up display system using the same have advantages that optical alignment is not easily destroyed even under harsh operating environment such as a vehicle where considerable vibration and temperature change are introduced, because the whole part of the condensing unit is optically connected by the optical fibers with a high stability on the contrary to a conventional bulk-optic based system.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: March 24, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Nan Ei Yu, Bok Hyeon Kim
  • Patent number: 10591272
    Abstract: A deformation sensing sensor as disclosed includes a conductive material inside the body thereof such that, by sensing a change in resistance or capacitance resulting from a deformation, a degree of deformation of the measurement object can be detected. The body includes an elastic layer, which has a corrugation formed on one surface thereof, and a conductive layer, which is formed on the other surface of the elastic layer using a conductive material. When the body is deformed in the lateral direction of the surface on which the corrugation is formed, the change in resistance of the conductive layer before and after the deformation, or the change in capacitance thereof is measured, thereby detecting the degree of deformation of the measurement object.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: March 17, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Heung Cho Ko, Yun Jeong Heo, Young Kyu Hwang
  • Patent number: 10591226
    Abstract: An embodiment relates to a heat transfer device including a heat generating device configured to generate heat having predetermined intensity by a user, a cover in contact with a body of the user while covering the heat generating device, and a heat transfer medium provided between the heat generating device and the cover to transfer the heat generated by the heat generating device, wherein the heat transfer medium is a structure that is formed by entangling a single wire having a predetermined length and has a predetermined width and a predetermined height, and is a structure that is compressed in an axial direction when being in contact with the body of the user and thus has a Poisson's ratio of 0.5 or higher. Thus, a structural change in the heat generating device is not required and only a material in contact with the heat generating device is changed, so that generated heat may more rapidly reach the body of the user.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: March 17, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Hun Seol, Jun Kyu Han, Hyun Woo Kim, Myung Ill You
  • Patent number: 10587865
    Abstract: An apparatus and method capable of simultaneously acquiring 3D geometry and appearance modeling data. The 3D reconstruction apparatus including material appearance modeling includes a light source arc including light sources configured to irradiate an object located at a photographing stage, a camera arc including cameras configured to photograph the object at the photographing stage, a driving operation unit configured to rotate the light source arc and camera arc, and a control unit configured to control the light source arc, camera arc, and driving operation unit. The control unit rotates the light source arc and camera arc at a constant interval based on an operation axis through the driving operation unit, and multiple image samples are acquired by operating the light source and camera at a predefined location in a hemi-sphere direction with respect to the object, whereby 3D modeling information including information about geometry and texture can be provided.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: March 10, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jun Ho Choi, Kwan Heng Lee, Yong Hwi Kim, Ahmed Bilal
  • Patent number: 10580990
    Abstract: Provided are: a composite polymer semiconductor having a mesh shape formed by mixing a conjugated polymer and an insulating polymer; and a method for producing same. A composite polymer having a mesh structure is produced by introducing a small quantity of a conjugated polymer to an insulating polymer. The produced composite polymer having a mesh structure increases charge mobility, minimizes visible light absorption through the introduction of the small quantity of the conjugated polymer, and thus can be used as a transparent and flexible organic electronic element.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: March 3, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwanghee Lee, Kilho Yu, Byoungwook Park
  • Patent number: 10568940
    Abstract: A composition for uric acid decomposition using gold nanoparticles is disclosed. The composition for uric acid decomposition in accordance with an exemplary embodiment of the present invention is characterized by including urate oxidase (UOX), gold nanoparticles and a buffer.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: February 25, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Inchan Kwon, Secheon Jung