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).

  • Patent number: 12214380
    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: Grant
    Filed: January 29, 2020
    Date of Patent: February 4, 2025
    Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SEOUL NATIONAL UNIVERSITY HOSPITAL
    Inventors: Byung Chul Lee, Rino Choi, Whal Lee
  • Patent number: 12219821
    Abstract: A display device includes a substrate, a thin film transistor on the substrate, an interlayer insulating layer on the thin film transistor, an electrode on the interlayer insulating layer, the electrode including an emission region, a contact region overlapping the thin film transistor, and a dummy region protruding from the emission region in a direction different from the contact region, and an emission layer on the electrode, the emission region of the electrode overlapping the emission layer.
    Type: Grant
    Filed: June 21, 2023
    Date of Patent: February 4, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun-Kyu Joo, In Seok Song, Keun Chan Oh, Byung-Chul Kim, In Ok Kim, Gak Seok Lee, Chang-Soon Jang
  • Publication number: 20250033471
    Abstract: A non-contact interface device for a vehicle and a method for controlling the same, may display an operation system menu for a driver and passengers to operate various kinds of devices of the vehicle as a hologram, enable a user to operate the displayed operation system menu in a non-contact manner by use of the user's finger or the like, and provide the user with a tactile feedback for a non-contact operation, so that the user can recognize whether to have operated the menu.
    Type: Application
    Filed: November 20, 2023
    Publication date: January 30, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Korea Institute of Science and Technology
    Inventors: Dong Gu Kim, Jang Hyeon Lee, Dae Sung Kwon, Hyun Soo Kim, Il Seon Yoo, Byung Chul Lee, Seong Hun Cho, Seung Hyub Baek, Min Seok Kim, Soo Young Jung
  • Patent number: 12207465
    Abstract: A semiconductor memory device includes a stacked structure on a substrate and a vertical structure penetrating the stacked structure. The stacked structured includes a plurality of conductive lines stacked on the substrate. The vertical structure may include a vertical insulating pattern and a channel film extending along sidewalls of the vertical insulating pattern. The vertical insulating pattern may include an inner region and an outer region. The outer region of the vertical insulating pattern may be placed between the channel film and the inner region of the vertical insulating pattern, and the outer region of the vertical insulating pattern may include a diffused metal.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: January 21, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung Chul Jang, Sang-Yong Park, Jae Duk Lee
  • Patent number: 12109806
    Abstract: Provided are an inkjet printing apparatus and a method for inspecting an inkjet head using same. The inkjet printing apparatus comprises: an inspection stage unit on which an inspection substrate is seated; an inkjet head unit including at least one inkjet head that ejects ink containing dipoles and a solvent in which the dipoles disperse, on the inspection stage unit; and a particle count inspection unit that is located so as to be spaced apart from the inkjet head unit in one direction. The particle count inspection unit comprises: a first heat treatment unit that is located on the top portion of the inspection stage unit; and a first sensing unit that is located on the bottom portion of the inspection stage unit and measures the number of dipoles sprayed onto the inspection substrate.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: October 8, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Chul Lee, Heung Cheol Jeong, Myung Soo Huh, Cheol Lae Roh, Do Hun Lee
  • Publication number: 20240285349
    Abstract: Disclosed embodiments aim to provide an apparatus and method for three-dimensional navigation of a medical tool that enables identifying the three-dimensional shape and position of the medical tool within a human body. To achieve the above object, the disclosed embodiment includes a three-dimensional high-resolution image acquisition unit configured to acquire a three-dimensional high-resolution image of a human organ that is targeted for a medical procedure; a three-dimensional shape data acquisition unit configured to acquire three-dimensional shape data of a medical tool of a flexible material in real time; a registration unit configured to register the three-dimensional high-resolution image and the three-dimensional shape data with a reference point; and a display unit configured to display an image registered by the registration unit.
    Type: Application
    Filed: January 25, 2024
    Publication date: August 29, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jinseok KIM, Minsu JANG, Deukhee LEE, Hyehyun HAN, Byung Kook KIM, Byung Chul LEE
  • Patent number: 12053198
    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: Grant
    Filed: April 24, 2020
    Date of Patent: August 6, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ki Joo Pahk, Hyung Min Kim, Byung Chul Lee, Inchan Youn
  • Patent number: 12016726
    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: Grant
    Filed: May 21, 2021
    Date of Patent: June 25, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Chul Lee, Shinyong Shim, Dong-Hyun Kang, Hae Youn Kim, Hyung Min Kim, Ki Joo Pahk, Maesoon Im
  • Patent number: 12004412
    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: Grant
    Filed: April 8, 2019
    Date of Patent: June 4, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heung Cheol Jeong, Byung Chul Lee, Myung Soo Huh, Jin Oh Kwag, Do Hun Lee
  • Publication number: 20240156997
    Abstract: A fluorine-18-labeled positron emission tomography (PET) radiotracer for diagnosing neuroinflammation, stroke or cerebral infarction and a method for using the radiotracer are provided.
    Type: Application
    Filed: January 23, 2024
    Publication date: May 16, 2024
    Inventors: Sang Eun KIM, Byung Chul LEE, Sang Hee LEE, Nunzio DENORA, Valentino LAQUINTANA, Angela Assunta LOPEDOTA, Annalisa CUTRIGNELLI, Massimo FRANCO
  • Patent number: 11957514
    Abstract: The present disclosure relates to a method for determining a relative position between arrays of a flexible array device. The flexible array device according to an embodiment includes a plurality of arrays arranged at a predetermined interval in a deformable substrate, and the method includes measuring the first capacitance between adjacent arrays, measuring the second capacitance between the adjacent arrays after deformation of the substrate, and determining a relative position between the adjacent arrays based on the first capacitance measurement value and the second capacitance measurement value. According to an embodiment, the relative position between the arrays may be determined by measuring the capacitance between the adjacent arrays of the plurality of arrays arranged in the deformable substrate and measuring a change in capacitance caused by the deformation (contraction, relaxation, bending) of the substrate.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: April 16, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Chul Lee, Dong-Hyun Kang, Shinyong Shim
  • Patent number: 11944998
    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: Grant
    Filed: March 18, 2020
    Date of Patent: April 2, 2024
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Chul Lee, Dong-Hyun Kang, Jin soo Park, Tae Song Kim
  • Publication number: 20240076633
    Abstract: Provided are a PCR buffer composition for increasing the activity of a DNA polymerase having increased gene mutation specificity, 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, and a method for in vitro detecting one or more gene mutations or SNPs in one or more templates by using the kit.
    Type: Application
    Filed: September 29, 2023
    Publication date: March 7, 2024
    Inventors: Byung Chul LEE, Il Hyun PARK, Huy Ho LEE
  • Patent number: 11891632
    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: Grant
    Filed: May 31, 2018
    Date of Patent: February 6, 2024
    Assignee: GENECAST CO., LTD
    Inventors: Byung Chul Lee, Il Hyun Park, Huy Ho Lee
  • Patent number: 11846882
    Abstract: Disclosed is a method for manufacturing a high-density neural probe including needles having various forms. 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: Grant
    Filed: July 8, 2020
    Date of Patent: December 19, 2023
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Maesoon Im, Byung Chul Lee, Young Jun Yoon, Jin Soo Park, Seung Min Kwak
  • Patent number: 11786549
    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: Grant
    Filed: November 23, 2018
    Date of Patent: October 17, 2023
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, BIOGRAPHENE INC.
    Inventors: Kyung-Sun Kang, Byung-Chul Lee, Jin Young Lee, Jong Bo Park
  • Publication number: 20230286292
    Abstract: An inkjet printing apparatus includes: an airflow stage extending in a first direction; a print head unit disposed above the airflow stage; and an electric field generating unit that moves in the first direction and generates electric field above the airflow stage.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 14, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Byung Chul LEE, Heung Cheol JEONG, Myung Soo HUH, Jin Oh KWAG, Do Hun LEE
  • Patent number: 11752687
    Abstract: According to an embodiment of the present disclosure, there is provided a completely new type of 3-dimensional (3D) printing method for producing an object by focusing ultrasound onto material that changes in state by stimulation to solidify it into a desired shape. The method for 3D printing according to an embodiment includes providing material which changes in state by stimulation, setting a target focal point in the material, focusing ultrasound onto the target focal point using at least one ultrasound transducer, and applying stimulation to the material using the focused ultrasound to induce a change in state of the material. According to the embodiments, it is possible to control the precision of the output by controlling the frequency of the ultrasound transducer or the size of the target focal point on system.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: September 12, 2023
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyung Min Kim, Ki Joo Pahk, Byung Chul Lee, Inchan Youn
  • Publication number: 20230226201
    Abstract: The present invention relates to a unit drug conjugate wherein a binding group capable of binding to another unit drug conjugate is additionally linked to a unit drug conjugate in which a targeting substance, which binds specifically to target cells, and a drug, are linked together. When the unit drug conjugates according to the present invention are sequentially administered in vivo, complexes form a cluster by in vivo crosslinking, and the cluster promotes endocytosis of the drug conjugate, thereby significantly enhancing cellular internalization of the drug included in the drug conjugate.
    Type: Application
    Filed: June 1, 2021
    Publication date: July 20, 2023
    Applicants: BIK THERAPEUTICS INC., SEOUL NATIONAL UNIVERSITY HOSPITAL
    Inventors: Sang Eun KIM, Byung Chul LEE, Hewon YOUN, Ji Young CHOI, Jae Ho JUNG, In Ho SONG
  • Publication number: 20230210495
    Abstract: An ultrasonic diagnosis system according to an embodiment of the present disclosure includes a plurality of ultrasonic output patches configured to be attachable to different body parts, a data receiving unit configured to receive data transmitted from the plurality of ultrasonic output patches, a processing unit configured to acquire an imaging result related to the body part by processing the data, and an output unit configured to output the imaging result related to the body part, in which the ultrasonic output patch includes a multichannel ultrasonic transducer array configured to output imaging ultrasonic waves toward the body part and receive the reflected ultrasonic waves, a signal processing module configured to process a signal transmitted to or received from the multichannel ultrasonic transducer array, and a communication module configured to transmit a signal processing result, which is acquired by the signal processing module, to the data receiving unit.
    Type: Application
    Filed: November 29, 2022
    Publication date: July 6, 2023
    Applicants: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Byung Chul LEE, Kyung-Hee CHO