Patents Assigned to ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY
  • 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: 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
  • 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: 20230340405
    Abstract: Provided are a composition for inducing direct conversion from a somatic cell into a motor neuron, a motor neuron induced through direct conversion by introducing the composition into a somatic cell, a pharmaceutical composition for the prevention or treatment of nervous system disease and injury, a cell therapeutic agent, a composition for screening for a drug for the prevention or treatment of nervous system disease and injury, and a 3D printing biomaterial composition for constructing artificial tissue. When a composition of one aspect is used, differentiation from a somatic cell into a motor neuron can be efficiently induced through the expression of direct conversion inducers without going through the pluripotency stage of dedifferentiated stem cells. Thus, nervous system disease and injury can be effectively prevented and treated using the composition.
    Type: Application
    Filed: June 9, 2020
    Publication date: October 26, 2023
    Applicant: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jeong Beom Kim, Hyun Ah Lee
  • Publication number: 20230338947
    Abstract: Provided is a method of manufacturing a microfluidic channel with a membrane formed therein, the method including: preparing an apparatus for forming a membrane, the apparatus for forming the membrane including a first microfluidic channel, a second microfluidic channel being spaced apart from the first microfluidic channel, a bridge channel having a microchannel structure for communicating the first microfluidic channel and the second microfluidic channel with each other, and a control channel, which is partitioned by a gas permeable member from the bridge channel and through which gas flows; a fluid flowing operation in which a first fluid in a liquid state for moving first microparticles flows in the first microfluidic channel and a control gas in a gaseous state flows in the control channel; and forming a membrane having nanopores.
    Type: Application
    Filed: November 1, 2022
    Publication date: October 26, 2023
    Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Taesung Kim, Sangjin Seo
  • Patent number: 11791457
    Abstract: Provided are an anode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery containing the same. The present invention provides an anode active material for a lithium secondary battery including: a carbon based particle; a first carbon coating layer positioned on the carbon based particle and including pores; a silicon coating layer positioned on the pores and/or a pore-free surface of the first carbon coating layer; and second carbon coating layer positioned on the silicon coating layer, a method of preparing the same, and a lithium secondary battery containing the same.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: October 17, 2023
    Assignees: SK ON CO., LTD, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jee Hee Lee, Joon Sup Kim, Nam Hyung Kim, Yeong Uk Son, Yoon Kwang Lee, Jae Phil Cho
  • Publication number: 20230323313
    Abstract: Provided is a carbon monoxide (CO) dehydrogenase with increased oxygen resistance and/or enzyme activity, specifically, a mutant CO dehydrogenase with increased oxygen resistance and/or enzyme activity by mutating amino acid residues. The CO dehydrogenase may detoxify toxic carbon monoxide at room temperature and pressure by easily oxidizing carbon monoxide and converting the same into carbon dioxide, and may effectively oxidize carbon monoxide even in gas including oxygen. Furthermore, since it is possible to remove carbon monoxide, which is emitted in large quantities in industries such as petrochemical and steel industries, cigarette burning, household cooking, various boilers, and combustion, through cigarette filters, air purifiers, intake filters in household cooking equipment, gas boilers, etc. the CO dehydrogenase may be utilized in various ways.
    Type: Application
    Filed: August 27, 2020
    Publication date: October 12, 2023
    Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yong Hwan Kim, Suk Min Kim, Jin Hee Lee
  • Publication number: 20230325995
    Abstract: A method of acquiring an image includes: acquiring channel signals corresponding to more than four channels from a multispectral sensor; determining a cumulative infrared signal included in all of the channel signals by synthesizing the infrared components of the channel signals; calculating an infrared component of each channel, based on the cumulative infrared signal and individual characteristics of the channels; and acquiring corrected channel signals by removing the infrared component from each of the channel signals.
    Type: Application
    Filed: January 23, 2023
    Publication date: October 12, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Woo-Shik KIM, Youngshin KWAK, Jisu OHK, Hyesun HAN
  • Patent number: 11784249
    Abstract: An antenna device according to an example embodiment includes a silicon substrate of first type doping, at least two first doped regions formed by second type doping different from the first type doping, a second doped region formed by the second type doping outside a channel region surrounding the at least two first doped regions, and at least two gates disposed on a dielectric layer. In the antenna device, a resonant frequency is adjusted according to an external voltage individually applied to the at least two gates, and polarization information of a terahertz (THz) light source is obtained based on a pattern and an amount of an electric field measured at the at least two gates.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: October 10, 2023
    Assignee: ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyung Rok Kim, E San Jang, Min Woo Ryu, Sang Hyo Ahn
  • Publication number: 20230294095
    Abstract: A fine object separation device includes: a first channel in which a subject solution including a plurality of different fine objects having a size of 1 micrometer or less flows in from one side and flows to the other side; and a second channel that communicates with a first wall surface of the first channel at an angle greater than 0°, parallel to the flow direction of the subject solution, and less than 90°, perpendicular to the flow direction of the subject solution, wherein the second channel merges a buffer solution with the first channel.
    Type: Application
    Filed: July 26, 2021
    Publication date: September 21, 2023
    Applicants: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Taesung KIM, Kyunghun LEE, Jong Wook HONG, Kyusoon SHIN
  • Patent number: 11745466
    Abstract: Disclosed is a silver nanowire film including: silver nanowires A unidirectionally aligned in a longitudinal direction; and silver nanowires B randomly aligned in the longitudinal direction, in which the silver nanowires A and the silver nanowires B each are plural and satisfy Equation 1 below. [A]/([A]+[B])>???[Equation 1] (In Equation 1 above, [A] represents the number of silver nanowires A having an alignment degree of less than ±15° from the alignment direction, and [B] represents the number of silver nanowires B having an alignment degree of ±15° or more from the alignment direction.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: September 5, 2023
    Assignees: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), DUKE UNIVERSITY
    Inventors: Hyunhyub Ko, Seungse Cho, Saewon Kang, Stephen L. Craig
  • Publication number: 20230272554
    Abstract: A boron nitride layer and a method of fabricating the same are provided. The boron nitride layer includes a boron nitride compound and has a dielectric constant of about 2.5 or less at an operating frequency of 100 kHz.
    Type: Application
    Filed: April 11, 2023
    Publication date: August 31, 2023
    Applicants: Samsung Electronics Co., Ltd., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Changseok LEE, Hyeonsuk SHIN, Hyeonjin SHIN, Seokmo HONG, Minhyun LEE, Seunggeol NAM, Kyungyeol MA
  • Patent number: 11742521
    Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: August 29, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Yoon Sung Lee, Seung Min Oh, Sung Ho Ban, Ko Eun Kim, Jun Ki Rhee, Woo Young Jin, Sang Kyu Kwak, Nam Soon Choi, Sung You Hong, Woo Gyum Kim, Dae Yeon Hwang, Hyeon Gyu Moon
  • Patent number: 11742871
    Abstract: Disclosed is a low power modulator with a VCO quantizer. The low power modulator with the VCO quantizer may include an integrator converting an input current to a voltage, a quantizer converting the converted voltage to digital information, a filter unit filtering the converted digital information, a DAC converting the filtered digital information into a feedback current, and a controller calculating the digital information output based on a difference value between the input current and the feedback current for each sampling time.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: August 29, 2023
    Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Seong Jin Kim, Jee Ho Park
  • Patent number: 11742367
    Abstract: A pixel circuit for background light suppression includes: a 2-tap pixel circuit including first and second pixel capacitors, first and second storage switches, and first and second transfer switches; an in-pixel sigma delta circuit including a plurality of switching switches and a storage capacitor for storing charge transferred from the first and second pixel capacitors; an adaptive sigma delta controller configured to determine switching states of the plurality of switching switches according to a first state of the first pixel capacitor, or a second state of the second pixel capacitor, or both; and a chopping controller configured to instruct the storage switches and the transfer switches of the 2-tap pixel circuit to be selectively switched according to an output of the adaptive sigma delta controller.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: August 29, 2023
    Assignees: SK hynix Inc., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Seong Jin Kim, Da Hwan Park
  • Patent number: D1000623
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: October 3, 2023
    Assignees: RecensMedical, Inc., UNIST (Ulsan National Institute of Science and Technology)
    Inventors: Gun Ho Kim, Dae Hyun Kim, Ho Young Joo, Eun Ho Kim