Patents by Inventor Tae Geol Lee

Tae Geol 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: 11950438
    Abstract: The present disclosure relates to an inorganic light emitting diode (LED) in which an emitting material layer (EML) includes inorganic luminescent particles dispersed in a siloxane matrix, wherein the siloxane matrix has a thickness equal to or less than a thickness of a layer of the inorganic luminescent particles, and an inorganic light emitting device including the inorganic LED. The siloxane matrix allows surface defects of the inorganic luminescent particles to be minimized and to prevent injections of holes and electrons from being delayed. The inorganic LED and the inorganic light emitting device lower their driving voltages and improve their luminous efficiency.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: April 2, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Tae-Yang Lee, Byung-Geol Kim
  • Publication number: 20230103705
    Abstract: Provided is a Raman-active particle which is a Raman-active particle for surface-enhanced Raman analysis, the particle including: a spherical plasmonic metal core; a plasmonic metal shell having surface unevenness; and a self-assembled monolayer which is bonded to each of the core and the shell and positioned between the core and the shell, and includes a Raman reporter.
    Type: Application
    Filed: September 18, 2019
    Publication date: April 6, 2023
    Inventors: Eun-Ah YOU, Wansun KIM, Tae Geol LEE
  • Publication number: 20230104961
    Abstract: Provided are a detection method and a detection device of a substance using surface-enhanced Raman scattering according to the present invention, the detection method according to the present invention including: bringing Raman-active particles into contact with a sample which may contain a substance to be detected, the Raman-active particle including a spherical plasmonic metal core, a plasmonic metal shell having surface unevenness, a self-assembled monolayer which is bonded to each of the core and the shell and positioned between the core and the shell, and includes a Raman reporter, and a first receptor which is positioned on a surface of the plasmonic metal shell and may be specifically bonded to the substance to be detected; and irradiating excitation light thereon to detect the substance to be detected in the sample.
    Type: Application
    Filed: September 18, 2019
    Publication date: April 6, 2023
    Inventors: Eun-Ah YOU, Wansun KIM, Tae Geol LEE
  • Patent number: 11592441
    Abstract: Provided is a nanoplasmonic sensor and a kit for biomolecule analysis, and a method of analyzing a biomolecule using the same. The method includes: providing the nanoplasmonic sensor including a dielectric grating extending in one direction, and a metal structure disposed to cover an upper surface and a side surface of the dielectric grating and have at least one bent portion; immobilizing a first probe molecule on a surface of the metal structure; hybridizing an analyte with the first probe molecule by introducing the analyte having a base sequence complementary to the first probe molecule; binding a second probe molecule that is hybridized with the first probe molecule to the analyte; binding an enzyme to the second probe molecule; introducing a substrate that reacts with the enzyme to produce a precipitate by an enzymatic reaction; and measuring localized surface plasmon resonance in the metal structure.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: February 28, 2023
    Assignees: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Tae Geol Lee, Hee Kyung Na, Jung Sub Wi, Jong G. OK
  • Publication number: 20220349826
    Abstract: Provided is a Raman-active nanoparticle including: a spherical plasmonic metal core; a plasmonic metal shell having surface irregularities; and a self-assembled monolayer which binds to each of the core and the shell, is positioned between the core and the shell, and includes a Raman reporter satisfying the following Chemical Formula 1: NO2—Ar—SH??(Chemical Formula 1) wherein Ar is a (C6-C12) arylene group.
    Type: Application
    Filed: April 19, 2022
    Publication date: November 3, 2022
    Inventors: Eun-Ah YOU, Jae-Eul SHIM, Tae Geol LEE
  • Patent number: 11479474
    Abstract: Provided is a method of preparing composite nanoparticles, which includes: a) preparing a metal nanocore having a nano-star shape from a first reaction solution in which a first metal precursor is mixed with a first buffer solution; b) fixing a Raman reporter in the metal nanocore; and c) forming a metal shell, which surrounds the nanocore in which the Raman reporter is fixed, from a second reaction solution in which the nanocore in which the Raman reporter is fixed, and a second metal precursor are mixed with a second buffer solution.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: October 25, 2022
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Eun-Ah You, Wansun Kim, Tae Geol Lee
  • Publication number: 20220283189
    Abstract: A method of detecting vitamin D in blood using laser desorption/ionization mass spectrometry (LDI-MS) and an apparatus therefor according to the present invention are not complicated in a measurement, do not require a number of measurement steps, and allow for easy measurement and collection of results in real time with a quick analysis. In addition, precise analysis may be performed even at a lower concentration of a sample, such that sensitivity and precision are excellent, various subtypes of vitamin D may be simultaneously detected, a throughput is high, and structural analysis and quantitative analysis of vitamin D that has undergone a metabolic process in blood may be accurately performed without a matrix interference.
    Type: Application
    Filed: November 11, 2019
    Publication date: September 8, 2022
    Inventors: Tae Geol LEE, Jin Gyeong SON, Sunho JOH
  • Publication number: 20220084804
    Abstract: A method for detecting organic matter in the blood by using LDI-MS, and a device therefor, according to the present invention, are not complicated when performing measurement and do not require the passage of many steps, and facilitate, in real time, measurement and result collection through rapid analysis. In addition, the present invention enables precise analysis even at a lower sample concentration so as to have excellent sensitivity and accuracy, enables the detection of various types of organic matter at the same time and has high throughput, and enables the structure analysis of organic matter, having undergone metabolic processes in the blood, and quantitative analysis thereof to be accurately performed without interference from a matrix.
    Type: Application
    Filed: December 30, 2019
    Publication date: March 17, 2022
    Inventors: Tae Geol LEE, Hee-Kyung NA, Sunho JOH
  • Publication number: 20210364509
    Abstract: Provided is a method of preparing Raman-active nanoparticles, which includes a) preparing a metal nanocore having a nano-star shape from a first reaction solution in which a first metal precursor is mixed with a buffer solution; b) fixing a Raman reporter in the metal nanocore; and c) forming a metal shell, which surrounds the nanocore in which the Raman reporter is fixed, from a second reaction solution in which a second metal precursor is mixed with the nanocore in which the Raman reporter is fixed. The Raman reporter has a binding affinity for each of a first metal of the metal nanocore and a second metal of the metal shell.
    Type: Application
    Filed: October 10, 2018
    Publication date: November 25, 2021
    Inventors: Eun-Ah YOU, Wansun KIM, Tae Geol LEE
  • Publication number: 20210331933
    Abstract: Provided is a method of preparing composite nanoparticles, which includes: a) preparing a metal nanocore having a nano-star shape from a first reaction solution in which a first metal precursor is mixed with a first buffer solution; b) fixing a Raman reporter in the metal nanocore; and c) forming a metal shell, which surrounds the nanocore in which the Raman reporter is fixed, from a second reaction solution in which the nanocore in which the Raman reporter is fixed, and a second metal precursor are mixed with a second buffer solution.
    Type: Application
    Filed: October 23, 2018
    Publication date: October 28, 2021
    Inventors: Eun-Ah YOU, Wansun KIM, Tae Geol LEE
  • Publication number: 20210318304
    Abstract: The present invention relates to a method for high-sensitivity and high-specificity detection of biomolecules by using mass spectrometry and, more specifically, to a method for high-sensitivity and high-specificity detection of proteins such as miRNA or antigens by using time-of-flight secondary ion mass spectrometry (ToF-SIMS), matrix-assisted laser desorption/ionization (MALDI), or laser desorption/ionization (LDI) mass spectrometry. The method for high-sensitivity and high-specificity detection of biomolecules by using mass spectrometry, according to the present invention, enables high-sensitivity and high-specificity detection of biomolecules by using surface mass spectrometry, and the method is expected to be used for the diagnosis and prediction of diseases by quantifying, from a biosample, a target probe such as miRNA which is known as a disease marker.
    Type: Application
    Filed: September 3, 2018
    Publication date: October 14, 2021
    Inventors: Tae Geol LEE, Hee-Kyung NA
  • Publication number: 20210251183
    Abstract: Provided is a method of monitoring a heart rate of an open circulatory system aquatic organism including water fleas, zebrafish, brine shrimp, and the method of evaluating individual response by real time measurement of a heart rate of an aquatic organism and the individual response evaluation apparatus by real time measurement of a heart rate of an aquatic organism according to the present invention may effectively fix the aquatic organism for real time measurement of the heart rate of an aquatic organism, and may measure the heart rate using digital holography to display the heart rate while configuring a data format to allow the corresponding data to be stored for a long time, thereby treating a compound for inducing an individual response, securing a heart rate change in real time by image processing, and then effectively determining the presence or absence of harmfulness due to induction of the individual response.
    Type: Application
    Filed: February 1, 2021
    Publication date: August 19, 2021
    Inventors: Ik Hwan KWON, Tae Geol LEE, Sang Won LEE
  • Publication number: 20200072830
    Abstract: Provided is a nanoplasmonic sensor and a kit for biomolecule analysis, and a method of analyzing a biomolecule using the same. The method includes: providing the nanoplasmonic sensor including a dielectric grating extending in one direction, and a metal structure disposed to cover an upper surface and a side surface of the dielectric grating and have at least one bent portion; immobilizing a first probe molecule on a surface of the metal structure; hybridizing an analyte with the first probe molecule by introducing the analyte having a base sequence complementary to the first probe molecule; binding a second probe molecule that is hybridized with the first probe molecule to the analyte; binding an enzyme to the second probe molecule; introducing a substrate that reacts with the enzyme to produce a precipitate by an enzymatic reaction; and measuring localized surface plasmon resonance in the metal structure.
    Type: Application
    Filed: December 11, 2018
    Publication date: March 5, 2020
    Inventors: Tae Geol LEE, Hee Kyung NA, Jung Sub WI, Jong G. OK
  • Patent number: 10495560
    Abstract: Provided is a method for screening drugs, more particularly, a method for screening drugs by measuring capacitance of an endothelial cell layer at a frequency region of 100 Hz to 5 kHz to screen a drug affecting paracellular permeability of the endothelial cell layer or a drug penetrating through a paracellular path.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: December 3, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Ri Mi Lee, Dong Hyun Jo, Jeong Hun Kim, Tae Geol Lee
  • Patent number: 10406110
    Abstract: Provided is a nanoparticle-vitreous body-based protein complex, and more particularly, to a composition for inhibiting angiogenesis which includes the complex as an active ingredient, and a composition for preventing or treating an angiogenesis-related disease or a retinal disease. When the nanoparticle-vitreous body-based protein complex according to the subject matter is locally injected into the vitreous body, the complex exhibits significantly excellent binding strength with a vascular endothelial growth factor and thus can inhibit angiogenesis, thus being easily used to prepare a therapeutic agent for preventing, alleviating, or treating retinal and choroidal angiogenesis-related diseases.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: September 10, 2019
    Assignees: Seoul National University R & DB Foundation, Korea Research Institute of Standards and Science
    Inventors: Jeong Hun Kim, Dong Hyun Jo, Tae Geol Lee
  • Publication number: 20190015348
    Abstract: Provided is a nanoparticle-vitreous body-based protein complex, and more particularly, to a composition for inhibiting angiogenesis which includes the complex as an active ingredient, and a composition for preventing or treating an angiogenesis-related disease or a retinal disease. When the nanoparticle-vitreous body-based protein complex according to the subject matter is locally injected into the vitreous body, the complex exhibits significantly excellent binding strength with a vascular endothelial growth factor and thus can inhibit angiogenesis, thus being easily used to prepare a therapeutic agent for preventing, alleviating, or treating retinal and choroidal angiogenesis-related diseases.
    Type: Application
    Filed: July 12, 2016
    Publication date: January 17, 2019
    Applicants: SEOUL NATIONAL UNIVERSITY R & DB FOUNDATION, KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Jeong Hun KIM, Dong Hyun JO, Tae Geol LEE
  • Publication number: 20160231222
    Abstract: Provided is a method for screening drugs, more particularly, a method for screening drugs by measuring capacitance of an endothelial cell layer at a frequency region of 100 Hz to 5 kHz to screen a drug affecting paracellular permeability of the endothelial cell layer or a drug penetrating through a paracellular path.
    Type: Application
    Filed: February 6, 2015
    Publication date: August 11, 2016
    Inventors: Ri Mi LEE, Dong Hyun JO, Jeong Hun KIM, Tae Geol LEE
  • Patent number: 9238006
    Abstract: Provided is a pharmaceutical composition containing inorganic nanoparticles selected from titanium oxide nanoparticles or silica nanoparticles as an active ingredient for preventing or treating angiogenesis-related diseases. The pharmaceutical composition for preventing or treating angiogenesis-related diseases according to the present invention may be used as a therapeutic agent for various diseases based on angiogenesis such as age-related macular degeneration, tumors, and diabetes-related complications.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: January 19, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Tae Geol Lee, Jeong Hun Kim, Dong Hyun Jo
  • Patent number: 8871438
    Abstract: The present invention relates to a disease diagnosis method, a marker screening method, and a marker using a time-of-flight secondary ion mass spectrometry (TOF-SIMS), and more particularly, to a large intestine cancer diagnosis method, a large intestine cancer marker screening method, and a large intestine cancer marker using a time-of-flight secondary ion mass spectrometry (TOF-SIMS). Specifically, the present invention provides a method diagnosing a disease using a pattern of secondary ion mass (m/z) peaks of biological samples measured using a time-of-flight secondary ion mass spectrometry (TOF-SIMS) as a marker, a marker screening method being a reference judging an existence or non-existence of a disease, and a marker configured of specific secondary ion mass peaks.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: October 28, 2014
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Tae Geol Lee, Dae Won Moon, Byong Chul Yoo, In Hoo Kim
  • Patent number: 8772713
    Abstract: The present invention aims to provide a time-of-flight based mass microscope system for an ultra-high speed multi-mode mass analysis, for using a laser beam or an ion beam simultaneously to enable both a low molecular weight analysis such as for drugs/metabolome/lipids/peptides and a high molecular weight analysis such as for genes/proteins, without being limited by the molecular weight of the object being analyzed, and for significantly increasing the measuring speed by using a microscope method instead of a microprobe method.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: July 8, 2014
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Jeong Hee Moon, Dae Won Moon, Tae Geol Lee, Sohee Yoon, Ju Hwang Kim