Patents by Inventor Byung Chul Lee

Byung Chul Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230010061
    Abstract: A semiconductor substrate with oxide single crystal heterostructures, to which a sacrificial layer, an epitaxy functional oxide thin film having a perovskite structure and a metal layer are grown on an oxide single crystal substrate, prepared another metal layer on a semiconductor substrate, and bonded the metal layer of the oxide single crystal substrate to the metal layer of the semiconductor substrate to be face each other, and separated the oxide single crystal substrate by selectively etching and removing only the sacrificial layer after the bonding.
    Type: Application
    Filed: June 13, 2022
    Publication date: January 12, 2023
    Inventors: SEUNG HYUB BAEK, RUIGUANG NING, Jae-Hoon HAN, Byung Chul LEE, Jungho YOON, Hyun-Cheol SONG, Seong Keun KIM, CHONG YUN KANG, Ji-Won CHOI, JIN SANG KIM
  • Patent number: 11524182
    Abstract: Disclosed herein is a non-invasive treatment system using intermedium, and an exemplary treatment system is configured to output high-intensity focused ultrasound to remove bone tissue, inject an acoustically-transparent medium into a part where the bone tissue is removed to generate an intermedium, and output therapeutic ultrasound that passes through the intermedium. Accordingly, the bone tissue is removed in a non-invasive way using high-intensity focused ultrasound, and the intermedium is generated at the bone tissue removed site, to increase the penetration of therapeutic ultrasound or generate ultrasound itself, thereby improving an ultrasound treatment effect while minimizing the side effect (for example, infection of dura mater) of invasive surgery methods.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: December 13, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Chul Lee, Hyung Min Kim, Ki Joo Pahk
  • Patent number: 11491352
    Abstract: A high-low intensity focused ultrasound treatment apparatus according to the present disclosure includes a plurality of ultrasound sources, and a controller to control a center frequency and intensity of focused ultrasound outputted from the ultrasound sources, wherein each of the ultrasound sources includes a first ultrasound transducer to output low-intensity focused ultrasound to detect a lesion, and a second ultrasound transducer to output high-intensity focused ultrasound to ablate or remove the detected lesion. The low-intensity focused ultrasound outputted from the first transducer may be used to detect a lesion in a patient's brain by applying a stimulus to the brain, and at the same time, investigating a response, and the high-intensity focused ultrasound outputted from the second transducer may be used to ablate or remove the detected lesion by applying a thermal or mechanical stimulus to the lesion.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: November 8, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ki Joo Pahk, Hyung Min Kim, Byung Chul Lee, Inchan Youn
  • Publication number: 20220234301
    Abstract: A mesh type atomizer according to an embodiment includes a porous thin film having a multi-hole structure, a metal layer covering a remaining area except a nozzle area in which droplets are sprayed through the holes on a surface of the porous thin film, and an ultrasonic transducer to output ultrasonic waves to vibrate the porous thin film. According to an embodiment, it is possible to atomize a liquid into nanometer-level fine particles using the porous thin film including nanometer sized holes. It is possible to precisely adjust the sprayed droplet size by setting the shape, size and cycle of the nozzle in the manufacturing process, and it is possible to selectively increase the strength of the mesh by growing the metal material in the hole of the porous thin film through electroplating.
    Type: Application
    Filed: August 26, 2021
    Publication date: July 28, 2022
    Inventors: Byung Chul LEE, Dong-Hyun KANG, Shinyong SHIM, Dong Jun KIM, Jin Soo PARK, Ki Joo PAHK, Hyejeong SEONG
  • Publication number: 20220146519
    Abstract: Provided are: an integrin targeting probe, which can be effectively used for the diagnosis or treatment of retinochoroidal neovascularization or age-related macular degeneration by predicting the occurrence and recurrence of retinochoroidal neovascularization before structural changes of retinochoroidal neovascularization occur; and a preparation method therefor. The integrin targeting probe is an integrin ?v?3 targeting probe for diagnosing retinochoroidal neovascular diseases and can comprise a fluorescent material-labeled cyclic RGD peptide, which is completed by conjugating an NH2-cyclic RGD peptide precursor to a fluorescent material.
    Type: Application
    Filed: November 8, 2019
    Publication date: May 12, 2022
    Inventors: Byung Chul LEE, Jae Ho JUNG, Se Joon WOO, Seong Joon AHN
  • Patent number: 11280781
    Abstract: The present disclosure relates to an apparatus and a method for extracting genome, capable of acquiring a sufficient amount of genome for genetic analysis with high extraction efficiency, even with a small amount of target sample.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: March 22, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Soo Hyun Lee, Nakwon Choi, Byung Chul Lee, Hyungbeen Lee, Mintack Oh
  • Publication number: 20220080725
    Abstract: An inkjet printing device includes a stage part including a stage, an inkjet head part including at least one inkjet head that disposes an ink on the stage, the ink including dipoles and a solvent having the dipoles, a heat treatment device that removes the solvent, a first sensing part that measures a position of the ink disposed on the stage, a second sensing part that measures a position of the inkjet head, and a third sensing part that measures a position of each of the dipoles disposed on the stage. A dipole aligning method includes disposing an ink on a substrate, the ink including dipoles and a solvent having the dipoles, generating an electric field on the substrate and disposing the dipoles on the substrate by the electric field, removing the solvent, and measuring a position of each of the dipoles disposed on the substrate.
    Type: Application
    Filed: March 13, 2019
    Publication date: March 17, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Byung Chul LEE, Heung Cheol JEONG, Myung Soo HUH, Min Soo KIM, Jae Ha LIM
  • Publication number: 20220047245
    Abstract: A flexible ultrasound transducer according to an embodiment of the present disclosure includes a substrate having a central part and a plurality of extended parts extending from the central part; an ultrasound probe disposed at the central part of the substrate to acquire an ultrasound image of a region of interest; and a focused ultrasound output unit disposed at the extended parts of the substrate to output a focused ultrasound to the region of interest, wherein the focused ultrasound output unit disposed at the extended parts of the substrate has a flexible property and is deformable. According to the structure of an embodiment, it is possible to simultaneously achieve ultrasound imaging and ultrasonic therapy such as lesion stimulation or removal through focused ultrasound, and adjust the focal position of focused ultrasound or improve the focal sensitivity through flexible movement.
    Type: Application
    Filed: May 21, 2021
    Publication date: February 17, 2022
    Inventors: Byung Chul LEE, Shinyong SHIM, Dong-Hyun KANG, Hae Youn KIM, Hyung Min KIM, Ki Joo PAHK, Maesoon IM
  • Publication number: 20220040978
    Abstract: An inkjet printing and an inkjet printing method are provided. The inkjet printing device includes a stage comprising a substrate mounting part configured to receive a target substrate mounted thereon, a print head unit located above the stage and configured to spray an ink including a plurality of particles, and a suction device located at a side of the substrate mounting part and configured to generate negative pressure thereon.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 10, 2022
    Inventors: Heung Cheol JEONG, Do Hun LEE, Myung Soo HUH, Byung Chul LEE
  • Publication number: 20210336142
    Abstract: An inkjet printing apparatus, a dipole alignment method, and a display device manufacturing method are provided. The inkjet printing apparatus includes a stage, a print head part disposed above the stage, and an electric field generating part that provides an electric field to a space between the stage and the print head part. The dipole alignment method includes providing an electric field at an area above a target substrate, spraying ink including a dipole onto the target substrate through the area, and landing the dipole on the target substrate. The display device manufacturing method includes preparing a base layer on which first and second electrodes are disposed, spraying ink including a light emitting element onto the base layer through the area, landing the light emitting element between the first and second electrodes.
    Type: Application
    Filed: April 8, 2019
    Publication date: October 28, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Heung Cheol JEONG, Byung Chul LEE, Myung Soo HUH, Jin Oh KWAG, Do Hun LEE
  • Publication number: 20210240076
    Abstract: Disclosed are a method for manufacturing a high-density neural probe including needles having various forms and a neural probe manufactured thereby. The method, in which only a photolithography process and an etching process are used, simplifies a manufacturing process of the neural probe, minimizes changes in the characteristics of the neural probe depending on process equipment or conditions, and may thus ensure a high yield, thereby being advantageous in terms of commercialization. In addition, various forms of needles may be manufactured depending on the shape of patterns included in a mask, the height of the needles may be controlled by adjusting the size of the patterns and the gap between the patterns, and thereby, a neural probe having a plurality of needles having different heights may be manufactured.
    Type: Application
    Filed: July 8, 2020
    Publication date: August 5, 2021
    Inventors: MaeSoon IM, Byung Chul LEE, Young Jun YOON, Jin Soo PARK, Seung Min KWAK
  • Publication number: 20210205482
    Abstract: A method for preparing a fluorine-18-labeled fluoromethyl-substituted radiopharmaceutical using a selective azide substitution reaction includes (1) obtaining a [18F]fluoride from a cyclotron through an 18O(p,n)18F reaction; (2) separating the [18F] fluoride using an acetonitrile reaction solution containing dissolved K2,2,2 and K2CO3 to obtain a [18F]F?/H218O solution; (3) heating the [18F]F?/H218O solution to obtain K2,2,2/K18F; (4) placing the K2,2,2/K18F along with a bis(tosyloxy)methane compound into a reactor and adding a reaction solvent to cause a reaction and obtain a first precursor solution; (5) cooling the first precursor solution and adding an azide reagent to cause an azide substitution reaction and obtain a [18F]fluoromethyltosylate compound; (6) adding a bioactive molecule to the [18F]fluoromethyltosylate compound to cause an alkylation reaction and obtain a second precursor solution; and (7) adding a precursor scavenger to the second precursor solution and scavenging unreacted precursors to p
    Type: Application
    Filed: March 19, 2021
    Publication date: July 8, 2021
    Inventors: Byung Chul LEE, Ying Qing Lu, Byeong Min Jo
  • Publication number: 20210169456
    Abstract: An ultrasonic diagnosis and therapy apparatus according to an embodiment may include an ultrasound output unit including a plurality of ultrasound output elements, a circuit board that can be attached and detached through a connecting board connected to the ultrasound output unit to determine a function of the ultrasound output unit, and a control unit configured to control a setting value of each of the plurality of ultrasound output elements, wherein therapy and diagnosis functions are selectively or simultaneously implemented by changing the circuit board. With the ultrasonic diagnosis and therapy apparatus, it is possible to selectively or simultaneously implement the therapy and diagnosis functions by selectively mounting different types of circuit boards that determine the type and function of ultrasound outputted from the ultrasonic transducers.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 10, 2021
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Chul LEE, Hyung Min KIM, Ki Joo PAHK, Hyunsu LEE, Nakwon CHOI, Hong Nam KIM
  • Publication number: 20210169515
    Abstract: An apparatus for tissue ablation according to an embodiment of the present disclosure includes an ultrasound output unit to output focused ultrasound, and a control unit to control an intensity of the focused ultrasound, wherein the control unit may be configured to control the intensity of the focused ultrasound below a setting value, when a first condition in which a vapor bubble is formed in a tissue or a second condition in which a temperature of the tissue reaches a threshold is accomplished during the output of the focused ultrasound to the tissue. According to this embodiment, it is possible to precisely control vapor bubble dynamics without generating the shockwave scattering effect by instantaneously controlling the acoustic pressure and the intensity of the focused ultrasound, and prevent damage to a tissue other than a lesion to be removed.
    Type: Application
    Filed: April 24, 2020
    Publication date: June 10, 2021
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ki Joo PAHK, Hyung Min KIM, Byung Chul LEE, Inchan YOUN
  • Publication number: 20200360429
    Abstract: The present invention relates to an anti-inflammatory composition comprising a graphene nano-structure as an active ingredient. Specifically, the present invention relates to a pharmaceutical composition for preventing or treating an inflammatory disease, and a cosmetic composition or feed composition for preventing or improving an inflammatory disease, which include the anti-inflammatory composition, and a method of treating an inflammatory disease, including administering the composition to a subject in need thereof.
    Type: Application
    Filed: November 23, 2018
    Publication date: November 19, 2020
    Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, BIOGRAPHENE INC.
    Inventors: Kyung-Sun KANG, Byung-Chul LEE, Jin Young LEE, Jong Bo PARK
  • Publication number: 20200345870
    Abstract: Disclosed is a method for producing a fluorine-18-labeled, translocator protein overexpression-targeting PET radiotracer including: preparing a fluorine-18 reaction solution; producing a ((4-(6,8-dichloro-3-(2-(dipropylamino)-2-oxoethyl)imidazo[1,2-a]pyridin-2-yl)phenyl) (aryl)iodonium) anion precursor as an iodonium salt precursor; producing a 2-(6,8-dichloro-2-(4-(4,4,5,6-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)imidazo[1,2-a]pyridin-3-yl-N,N-dipropylacetamide precursor as a boron ester precursor; producing an iodonium salt precursor reaction solution; preparing a boron ester precursor reaction solution; and producing a radiotracer composition containing a fluorine-18-labeled radiotracer by reacting the iodonium salt or boron ester precursor reaction solution with the fluorine-18-labeled reaction solution.
    Type: Application
    Filed: July 15, 2020
    Publication date: November 5, 2020
    Inventors: Sang Eun KIM, Byung Chul Lee, Sang Hee Lee, Nunzio Denora, Valentino Laquintana, Angela Assunta Lopedota, Annalisa Cutrignelli, Massimo Franco
  • Publication number: 20200298275
    Abstract: A method of fabricating a capacitive micromachined ultrasonic transducer (CMUT) according to one aspect of the present invention may include forming, on a semiconductor substrate, a first region implanted with impurity ions at a first average concentration and a second region implanted with no impurity ions or implanted with the impurity ions at a second average concentration lower than the first average concentration, forming an insulating layer by oxidizing the semiconductor substrate wherein the insulating layer includes a first oxide layer having a first thickness on at least a part of the first region and a second oxide layer having a second thickness smaller than the first thickness on at least a part of the second region, and forming a membrane layer on the insulating layer such that a gap is defined between the second oxide layer and the membrane layer.
    Type: Application
    Filed: March 18, 2020
    Publication date: September 24, 2020
    Inventors: Byung Chul LEE, DONG-HYUN KANG, Jin soo PARK, Tae Song KIM
  • Publication number: 20200238334
    Abstract: Provided is a capacitive micromachined ultrasonic transducer (CMUT) including a substrate, a top electrode provided on the substrate to be spaced apart from the substrate, a supporter made of an insulating material and coupled between the substrate and an edge of the top electrode to support and fix the edge of the top electrode and to define a gap between the substrate and the edge of the top electrode, and a plurality of nanoposts having both ends coupled and fixed to the substrate and the top electrode in the gap, and being compressible and stretchable in a longitudinal direction to at least vertically move the top electrode when power is applied to the top electrode.
    Type: Application
    Filed: January 29, 2020
    Publication date: July 30, 2020
    Inventors: Byung Chul LEE, Rino CHOI, Whal LEE
  • Publication number: 20200149018
    Abstract: A DNA polymerase in which a mutation is induced at a specific amino acid position to increase gene mutation specificity, a nucleic acid sequence encoding the polymerase, a vector comprising the nucleic acid sequence, and a host cell transformed with the vector are disclosed. Provided are a method for in vitro detecting one or more gene mutations or SNPs in one or more templates by using a DNA polymerase having increased gene mutation specificity, a composition for detecting a gene mutation or SNP comprising the DNA polymerase, and a PCR kit comprising said composition. Furthermore, provided are a PCR buffer composition for increasing the activity of a DNA polymerase having increased gene mutation specificity and a PCR kit for detecting a gene mutation or SNP comprising the PCR buffer composition and/or the DNA polymerase having increased gene mutation specificity.
    Type: Application
    Filed: May 31, 2018
    Publication date: May 14, 2020
    Inventors: Byung Chul LEE, IL HYUN PARK, Huy Ho LEE
  • Publication number: 20200121959
    Abstract: Disclosed herein is a non-invasive treatment system using intermedium, and an exemplary treatment system is configured to output high-intensity focused ultrasound to remove bone tissue, inject an acoustically-transparent medium into a part where the bone tissue is removed to generate an intermedium, and output therapeutic ultrasound that passes through the intermedium. Accordingly, the bone tissue is removed in a non-invasive way using high-intensity focused ultrasound, and the intermedium is generated at the bone tissue removed site, to increase the penetration of therapeutic ultrasound or generate ultrasound itself, thereby improving an ultrasound treatment effect while minimizing the side effect (for example, infection of dura mater) of invasive surgery methods.
    Type: Application
    Filed: February 14, 2019
    Publication date: April 23, 2020
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Chul LEE, Hyung Min KIM, Ki Joo PAHK