Patents Assigned to UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
  • Publication number: 20240024222
    Abstract: The present invention relates to a polymer carbon nitride, a specific crystal form of the polymer carbon nitride, and a cosmetic composition, an ultraviolet ray-blocking composition, and an external use skin preparation composition, which include the polymer carbon nitride. The polymer carbon nitride according to one aspect of the present invention and a crystal form produced by a specific preparation example thereof can absorb both UVA and UVB, and thus can effectively protect the skin from ultraviolet rays while also being non-toxic and thus suitable for living bodies and lacking photoactivity. Therefore, the polymer carbon nitride and the crystal form can be utilized in a cosmetic composition, an ultraviolet ray-blocking composition and an external use skin preparation composition, which are applied to the living body.
    Type: Application
    Filed: December 6, 2021
    Publication date: January 25, 2024
    Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Ji Wook Jang, Jae Sung Lee, Woo Jin Byun
  • Patent number: 11879183
    Abstract: The present invention relates to a manufacturing method for single crystalline metal foil including: thermally treating poly-crystalline metal foil positioned to be spaced apart from a base to manufacture single crystalline metal foil, and a single crystalline metal foil manufactured thereby. According to the present invention, single crystalline metal foil having a large area may be obtained by thermally treating the poly-crystalline metal foil under a condition at which stress applied to the poly-crystalline metal foil is minimized.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: January 23, 2024
    Assignees: INSTITUTE FOR BASIC SCIENCE, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Rodney S. Ruoff, Sunghwan Jin
  • Patent number: 11873419
    Abstract: Disclosed is a coating composition which includes: polyurethane; and amphiphilic nanoparticles having an amine functional group and a fluorine functional group in their structure. Further provided are a polyurethane-silica composite film including e coating composition and a method of preparing the same.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: January 16, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, UNIST (Ulsan National Institute of Science and Technology)
    Inventors: Ho-Tak Jeon, Choon-soo Lee, Minsoo Kim, Hyunhyub Ko
  • Patent number: 11864879
    Abstract: An antenna device includes: a first and a second conductive wire; a third and a fourth conductive wire which are disposed along a part of the boundary of a second area on a second plane parallel to and spaced apart from the first plane while being spaced apart from each other; a fifth and a sixth conductive wire which are disposed along a part of the boundary of a third area on a third plane parallel to and spaced apart from the second plane while being spaced apart from each other; connection parts connecting the second conductive wires.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: January 9, 2024
    Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Franklin Don Bien, Gang Il Byun
  • Patent number: 11866336
    Abstract: An embodiment of the present disclosure provides a method of producing a reduced graphene oxide, the method including arranging a carbon material; arranging a substrate adjacent to the arranged carbon material; heating the arranged carbon material to a temperature of about 600° C. or higher, and depositing the heated carbon material on the substrate to form a reduced graphene oxide thin film, wherein the arranged carbon material is solid seedlac.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: January 9, 2024
    Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventor: Gun Ho Kim
  • Patent number: 11862845
    Abstract: An electronic device includes a display panel including an antenna. The antenna includes a first antenna portion. A second antenna portion is spaced apart from the first antenna portion in a first direction. A plurality of intermediate antenna portions is disposed between the first antenna portion and the second antenna portion and is electrically connected to the first antenna portion and the second antenna portion. The first antenna portion includes a first pattern portion and a first line portion having a first width in a second direction crossing the first direction. The second antenna portion includes a second pattern portion and a second line portion having a second width in the second direction that is larger than the first width.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: January 2, 2024
    Assignees: SAMSUNG DISPLAY CO., LTD., UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Gangil Byun, Sangrock Yoon, Kiseo Kim, Donghyee Hwang
  • Patent number: 11860536
    Abstract: The inventive concept relates to a three-dimensional crosslinker composition and a method of manufacturing an electronic device using the same. According to the inventive concept, the three-dimensional crosslinker composition may be represented by Formula 1 below.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: January 2, 2024
    Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: BongSoo Kim, Myeong Jae Lee
  • Patent number: 11864463
    Abstract: The present invention relates to a preparation method of a stretchable inorganic thermoelectric thin film and the stretchable inorganic thermoelectric thin film prepared by the method.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: January 2, 2024
    Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jae Sung Son, Seung Hwae Heo, Moon Kee Choi, Jisu Yoo
  • Patent number: 11855204
    Abstract: Provided is a memory device. The memory device includes: a substrate; a gate insulating film disposed on the substrate; a ferroelectric thin film disposed on the gate insulating film; a blocking film disposed on the ferroelectric thin film; and a gate pattern disposed on the blocking film, wherein the ferroelectric thin film includes a spacer having a fixed polarization regardless of an electric field that is applied from an outside, and a ferroelectric domain having a polarization controlled by the electric field that is applied from the outside, and a plurality of spacers and a plurality of ferroelectric domains are alternately and repeatedly provided in a direction parallel to a top surface of the substrate (in a b-lattice direction).
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: December 26, 2023
    Assignee: UNIST (Ulsan National Institute of Science and Technology)
    Inventors: Jun Hee Lee, Hyun Jae Lee, Chang Hoon Kim
  • Patent number: 11844844
    Abstract: Provided are a fusion protein including glutathione-S-transferase and a protein having binding affinity for a target cell or a target protein, and use thereof as a drug delivery carrier and a pharmaceutical composition. The fusion protein and the drug delivery carrier including the same according to an aspect may sustain an in vivo residence time, and may also have improved target cell-targeting ability, and thus may be effectively delivered to target cells. Accordingly, it may be usefully applied to a targeted therapeutic agent.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: December 19, 2023
    Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Ja Hyoung Ryu, Joon Yong Oh, Han Sol Kim, Chae Kyu Kim, Se Byung Kang
  • Publication number: 20230402649
    Abstract: Disclosed herein are an electrolyte for a lithium secondary battery, which can enhance lifetime and output characteristics in a high-capacity lithium secondary battery, and a lithium secondary battery including the same. The electrolyte for a lithium secondary battery may include a lithium salt, a solvent, and a functional additive, wherein the functional additive includes 5,5-diallyl-3-(tert-butyldimethylsilyl)oxazolidin-2-one as a positive electrode film additive.
    Type: Application
    Filed: November 17, 2022
    Publication date: December 14, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yoon Sung Lee, Jun Ki Rhee, Hui Beom Nam, Ko Eun Kim, Sung Ho Ban, Sang Kyu Kwak, Nam Soon Choi, Sung You Hong, Hyeong Jun Kim, Seo Young Jeong, Hyeon Gyu Moon, Min Pyeong Kim
  • Publication number: 20230402650
    Abstract: An electrolyte for a lithium secondary battery can enhance lifetime and output characteristics in a high-capacity lithium secondary battery. The electrolyte for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive. The functional additive includes 1-(3-((tert-butyldimethylsilyl)oxy)propyl)-5-(4-fluorophenyl)-1H-1,2,3-triazole-4-carbonitrile as a positive electrode film additive.
    Type: Application
    Filed: November 18, 2022
    Publication date: December 14, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yoon Sung Lee, Jun Ki Rhee, Hui Beom Nam, Ko Eun Kim, Sung Ho Ban, Seung Min Oh, Sang Kyu Kwak, Nam Soon Choi, Sung You Hong, Hyeong Jun Kim, Seo Young Jeong, Hyeon Gyu Moon, Min Pyeong Kim
  • Patent number: 11829862
    Abstract: A neural network device includes: an on-chip buffer memory that stores an input feature map of a first layer of a neural network, a computational circuit that receives the input feature map of the first layer through a single port of the on-chip buffer memory and performs a neural network operation on the input feature map of the first layer to output an output feature map of the first layer corresponding to the input feature map of the first layer, and a controller that transmits the output feature map of the first layer to the on-chip buffer memory through the single port to store the output feature map of the first layer and the input feature map of the first layer together in the on-chip buffer memory.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 28, 2023
    Assignees: Samsung Electronics Co., Ltd., UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Hyeongseok Yu, Hyeonuk Sim, Jongeun Lee
  • Patent number: 11830979
    Abstract: The electrolyte for a lithium secondary battery comprises: a lithium salt; a solvent; and a functional additive, wherein the functional additive comprises naphthalen-1-yl sulfurofluoridate, represented by the following formula 1:
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: November 28, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yoon Sung Lee, Ik Kyu Kim, Seung Min Oh, Sung Ho Ban, Sang Mok Park, Ko Eun Kim, Sang Kyu Kwak, Nam Soon Choi, Hyeon Gyu Moon, Seo Young Jeong, Sung You Hong, Dae Yeon Hwang
  • Patent number: 11826730
    Abstract: The present invention relates to a precursor of a hydrogenation catalyst of carbon dioxide, a method for preparing thereof, a hydrogenation catalyst of carbon dioxide, and a method for preparing thereof. An embodiment of the present invention provides a precursor of a hydrogenation catalyst of carbon dioxide comprising CuFeO2.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: November 28, 2023
    Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jae Sung Lee, Yohan Choi
  • Patent number: 11830165
    Abstract: A method and apparatus for simultaneously acquiring a super-resolution image and a high-speed widefield image are disclosed. The image acquisition method includes receiving a first image signal from an optical microscope, generating, by using the first image signal, a first plurality of entire images, distinguishing, based on movements of a plurality of objects included in the first plurality of entire images, a dynamic region with respect to the first plurality of entire images and a static region with respect to the first plurality of entire images, and controlling the optical microscope so as to respectively irradiate lights having different amplitudes onto the dynamic region and the static region.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: November 28, 2023
    Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Chung Hun Park, Tae Seong Woo
  • Patent number: 11829861
    Abstract: Disclosed is a method and apparatus for extracting data in a deep learning model. The method includes receiving an input query, determining a first decision boundary set being a subset of a decision boundary set corresponding to a target layer of the deep learning model, extracting a decision region including the input query based on the first decision boundary set, and extracting data included in the decision region.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: November 28, 2023
    Assignees: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), INEEJI
    Inventors: Jae Sik Choi, Hae Dong Jeong, Gi Young Jeon
  • Patent number: 11810983
    Abstract: Provided is a semiconductor device including a substrate, a tunneling insulating film disposed on the substrate, a control gate electrode disposed on the tunneling insulating film, a first floating gate electrode disposed between the control gate electrode and the tunneling insulating film, a second floating gate electrode disposed between the first floating gate electrode and the tunneling insulating film, a first control gate insulating film disposed between the first floating gate electrode and the control gate electrode, a second control gate insulating film disposed between the second floating gate electrode and the first floating gate electrode, and a source electrode and a drain electrode disposed on the substrate to be spaced apart from each other with respect to the control gate electrode, wherein the control gate electrode includes a first metal material, wherein the first floating gate electrode includes a second metal material, wherein the second floating gate electrode includes a third metal mate
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: November 7, 2023
    Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventor: Tae Sik Yoon
  • Publication number: 20230352113
    Abstract: The present disclosure provides a calculation error correction device including a first learning unit that trains an effective weight value prediction model for outputting an effective weight value matrix by using learning data in response to an input of the random weight value matrix, an effective weight value calculation unit that inputs a first weight value matrix into the effective weight value prediction model to derive the effective weight value matrix, a second learning unit that applies a second input vector to a target neural network as an input value, applied the effective weight value matrix as a weight value, and trains the weight value such that an output vector follows a result of multiplication of the second input vector and the first weight value matrix, and a control unit that performs matrix-vector multiplication by mapping the first input vector and the trained weight value matrix to the resistive memory.
    Type: Application
    Filed: August 4, 2021
    Publication date: November 2, 2023
    Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jongeun LEE, Sugil LEE
  • Publication number: 20230349072
    Abstract: Disclosed is a nanocrystalline boron nitride film having a relatively low dielectric constant and excellent mechanical properties. The nanocrystalline boron nitride film includes a crystalline boron nitride compound, and has a dielectric constant within a range of 2.5 to 5.5 at a 100 kHz operating frequency.
    Type: Application
    Filed: March 30, 2023
    Publication date: November 2, 2023
    Applicants: Samsung Electronics Co., Ltd., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Taejin CHOI, Minsu KIM, Hyeonsuk SHIN, Hyeonjin SHIN