Patents by Inventor Joon-hyung Lee

Joon-hyung 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: 20240138722
    Abstract: An apparatus for measuring a triglyceride level includes: a sensor including: a plurality of peripheral light sources disposed at a periphery thereof, the plurality of peripheral light sources being configured to emit light toward an object, and a plurality of detectors each disposed at predetermined distances from the respective peripheral light sources of the plurality of peripheral light sources, the plurality of detectors being configured to detect optical signals reflected from or scattered by the object. The apparatus also includes a processor configured to selectively drive the plurality of peripheral light sources to obtain features based on the detected optical signals, and to measure the triglyceride level based on the obtained features.
    Type: Application
    Filed: April 14, 2023
    Publication date: May 2, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Hyung LEE, Byung Hoon KO, Yeol Ho LEE
  • Patent number: 11969260
    Abstract: An apparatus for detecting a body component according to an example embodiment includes: a sensor configured to detect a bio-signal of an object according to a contact pressure that gradually changes between the object and the sensor; and a processor configured to determine a time point, at which an amplitude of an alternating current (AC) component of the bio-signal is maximum or a slope of a direct current (DC) component of the bio-signal is maximum, and to detect a body component of the object based on the determined time point.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: April 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Joo Kwon, Yeol Ho Lee, Joon Hyung Lee
  • Publication number: 20240070175
    Abstract: The present invention relates to a method of determining a company related to news based on scoring and an apparatus for performing the method. A method of determining a company related to news based on scoring, comprises determining, by a news ticker mapping apparatus, a candidate ticker for a sentence and determining, by the news ticker mapping apparatus, a sentence ticker for the sentence on the basis of a candidate ticker score, which is a score for the candidate ticker.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 29, 2024
    Inventors: Byoung Kyu Yoo, Hyun Gil Jeong, Min Hyung So, Joon Ik Lee
  • Publication number: 20240070396
    Abstract: The present invention relates to a method of determining a candidate company related to news and an apparatus for performing the method. The method of determining a candidate company related to news, comprises determining, by a news ticker mapping apparatus, an entity name for news and determining, by the news ticker mapping apparatus, a candidate ticker on the basis of the entity name.
    Type: Application
    Filed: July 19, 2023
    Publication date: February 29, 2024
    Inventors: Byoung Kyu Yoo, Hyun Gil Jeong, Min Hyung So, Joon Ik Lee
  • Publication number: 20240070387
    Abstract: The present invention relates to a method of determining a news ticker related to news based on a sentence ticker and an apparatus for performing the method. The method of determining a news ticker related to news based on a sentence ticker, comprises determining, by a news ticker mapping apparatus, each of a plurality of sentences tickers for each of a plurality of sentences, determining, by the news ticker mapping apparatus, a weight for each of the plurality of sentences tickers and determining, by the news ticker mapping apparatus, the news ticker on the basis of the plurality of sentences tickers and the weight for each of the plurality of sentences tickers.
    Type: Application
    Filed: July 29, 2023
    Publication date: February 29, 2024
    Inventors: Byoung Kyu Yoo, Hyun Gil Jeong, Min Hyung So, Joon Ik Lee
  • Patent number: 11913932
    Abstract: An apparatus for measuring a concentration of a target gas includes: a gas sensor including a sensing layer having an electric resistance that changes by an oxidation reaction or a reduction reaction between gas molecules and the sensing layer; and a processor configured to, in response to the target gas being introduced along with air into the gas sensor, monitor a change of the electric resistance of the sensing layer and determine the concentration of the target gas by analyzing a shape of the change of the electric resistance.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Jong Jung, Kak Namkoong, Yeol Ho Lee, Joon Hyung Lee, Ki Young Chang
  • Publication number: 20240057902
    Abstract: An apparatus for measuring blood components, includes: an impedance sensor configured to measure a bio-impedance of a user; and a processor configured to measure, by using a multiple-output artificial neural network (ANN) learning model, a concentration of a basic blood component and a concentration of at least one auxiliary blood component associated with the basic blood component, based on user metadata and the measured bio-impedance.
    Type: Application
    Filed: February 7, 2023
    Publication date: February 22, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation
    Inventors: Yun S PARK, Seoung Bum KIM, Chunghyup MOK, Jinsoo BAE, Leekyung YOO, Yeol Ho LEE, Joon Hyung LEE, Keewon JEONG, Yoon Sang CHO
  • Publication number: 20230309847
    Abstract: An apparatus for non-invasively measuring a triglyceride level based on bio-impedance and a method thereof are provided. The apparatus for measuring a triglyceride level according to an embodiment includes: an impedance sensor configured to measure bio-impedance of a user; and a processor configured to extract a bio-resistance value in a predetermined frequency band from the measured bio-impedance, to input user information and the extracted bio-resistance value to a learning model, and to measure a triglyceride level based on an output value of the learning model.
    Type: Application
    Filed: February 21, 2023
    Publication date: October 5, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun S PARK, Yeol Ho LEE, Joon Hyung LEE
  • Patent number: 11771347
    Abstract: A biological component estimation apparatus according to an aspect of the present invention includes: a light detector array including a plurality of light detectors; a plurality of light sources disposed on both ends of the light detector array; and a processor configured to calculate a blood vessel alignment index, which indicates a degree of alignment of the biological component estimation apparatus with respect to blood vessels, by using an intensity of a first light that is measured by the plurality of light detectors after the first light is emitted to a user's skin from a first light source disposed on one end of the light detector array among the plurality of light sources, and an intensity of a second light that is measured by the plurality of light detectors after the second light is emitted to the user's skin from a second light source disposed on the other end of the light detector array among the plurality of light sources.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Yong Nam, Kun Sun Eom, Joon Hyung Lee, Ki Young Chang
  • Patent number: 11673122
    Abstract: A member for a metal oxide nanofiber based gas sensor can include a metal nanoparticle catalyst and can be formed to be functionalized by binding the metal nanoparticle catalyst and an alkali or alkaline earth metal through electrospinning and heat treatment processes. The member can detect a trace amount of a gas with high selectivity and ultra-high sensitivity by uniformly binding the alkali or alkaline earth metal and the metal nanoparticle catalyst through electrospinning and high-temperature heat treatment.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: June 13, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Won Jong Jung, Il Doo Kim, Kak Namkoong, Dong Ha Kim, Yeol Ho Lee, Joon Hyung Lee, Ki Young Chang, Ji Soo Jang, Ha Min Shin, Yoon Hwa Kim
  • Patent number: 11645125
    Abstract: A method and device for executing a workflow includes functions written in a heterogeneous programming language. The method for executing heterogeneous language functions includes obtaining a workflow that includes a call for a first function written in a first programming language and a call for a second function written in a second programming language, wherein input data of the second function includes output data of the first function, and setting, in response to completing execution of the first function, the output data of the first function in a format capable of being processed in the second programming language.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: May 9, 2023
    Assignee: SAMSUNG SDS CO., LTD.
    Inventor: Joon Hyung Lee
  • Patent number: 11607133
    Abstract: A biological component measuring apparatus may include: a first light source configured to emit a first light of a first wavelength range onto an object; a second light source configured to emit a second light of a second wavelength range onto the object, the second wavelength range being different from the first wavelength range; a detector configured to detect the first light and the second light which are scattered from the object; and a processor configured to determine a scattering coefficient based on the detected first light, obtain blood vessel depth information based on the detected second light, and measure a biological component by correcting the scattering coefficient based on the blood vessel depth information.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun Sun Eom, Joon Hyung Lee, Jeong Eun Hwang, Jung Yong Nam, Ki Young Chang
  • Publication number: 20230058347
    Abstract: A blood vessel detection device comprises: a first irradiation unit for irradiating a predetermined site of a subject with light of a first wavelength that is absorbed less by hemoglobin or water and light of a second wavelength that is absorbed more by hemoglobin or water than the first wavelength; a second irradiation unit for irradiating the predetermined site with light of a third wavelength that is absorbed less by hemoglobin; a light intensity detection unit for detecting the intensity of light emitted from the subject at one or more positions spaced apart by a predetermined distance from the light irradiation positions of the first and second irradiation units or one or more contiguous positions; and a control unit that calculates blood vessel depth information, calculates blood vessel angle information, and determines an optimal position for measurement based on the blood vessel depth information and the blood vessel angle information.
    Type: Application
    Filed: January 25, 2021
    Publication date: February 23, 2023
    Inventors: Atsushi TAKAMIZAWA, Kazuya IINAGA, KI YOUNG CHANG, JOON HYUNG LEE, KAK NAMKOONG, YEOL HO LEE, WON JONG JUNG
  • Publication number: 20230000405
    Abstract: An apparatus for estimating bio-information includes: an impedance sensor including a pair of input electrodes and a pair of receiving electrodes, and configured to measure bio-impedance of a user by applying a current to the pair of input electrodes and by measuring a voltage between the pair of receiving electrodes; and a processor configured to estimate bio-information by applying, to the measured bio-impedance, an estimation model that uses a correlation between the measured bio-impedance and the bio-information to be estimated.
    Type: Application
    Filed: April 21, 2022
    Publication date: January 5, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeol Ho LEE, Joon Hyung Lee, Yong Joo Kwon, Yun S Park
  • Publication number: 20230000446
    Abstract: An apparatus for estimating lipid concentration is provided. According to an example embodiment, the apparatus may include a training data collector configured to collect, as training data, a reference lipid concentration measured through blood samples of a plurality of users for a predetermined time period and sensor data obtained through light signals detected from the plurality of users for the predetermined time period and a processor configured to perform preprocessing including a moving average and data augmentation on the obtained sensor data, select a valid variable relevant to a change in lipid concentration based on the preprocessed sensor data and the reference lipid concentration, and generate a lipid concentration prediction model based on the selected valid variable.
    Type: Application
    Filed: September 30, 2021
    Publication date: January 5, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation
    Inventors: Yun S PARK, Seoung Bum KIM, Yong Joo KWON, Mingu KWAK, Yoon Sang CHO, Chunghyup MOK, Yeol Ho LEE, Joon Hyung LEE, Kee Won JEONG, Jinsoo BAE
  • Publication number: 20220278297
    Abstract: A quantum dot light emitting diode according to various embodiments of the present disclosure includes a first electrode and a second electrode that are opposite to each other; a light emitting layer that is located between the first electrode and the second electrode and includes a quantum dot; and an electron transport layer that is arranged between the first electrode and the light emitting layer and includes a metal oxide thin film, wherein the metal oxide thin film has a composition including at least one selected from the group consisting of In2O3, ZnO, SiO2 and SnO2.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 1, 2022
    Inventors: Young Woo HEO, Hyeok KIM, Joon Hyung LEE, Jeong Joo KIM, Sang Wook LEE, Jeong Woo HAN, Sang Hyub KIM, Chang Hee LEE
  • Patent number: 11419527
    Abstract: An apparatus for estimating blood concentration may include an optical sensor configured to emit light towards a skin surface of a user, and detect an optical signal reflected by the skin surface of the user, and a processor configured to select an interval-specific blood concentration estimation model, from among a plurality of interval-specific blood concentration estimation models, based on an interval selection indicator and estimate a blood concentration change or a blood concentration of an analyte using the selected interval-specific blood concentration estimation model and the detected optical signal.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: August 23, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Hyung Lee, Won Jong Jung, Kak Namkoong, Jung Yong Nam, Yeol Ho Lee, Ki Young Chang
  • Patent number: 11399749
    Abstract: Provided is an optical sensor, including a light source configured to emit light; a photodetector array comprising a plurality of photodetectors positioned at different distances from the light source, each photodetector being configured to detect an optical signal returning from an object irradiated by the light emitted by the light source, and to measure a light intensity of the detected optical signal; and a processor configured to determine a correlation coefficient between variables based on the measured light intensity, and to determine a quality of the optical signal based on the determined correlation coefficient, an optical characteristic of the object being determined by selectively using the optical signal of which the quality is an acceptable level or higher.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: August 2, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Hyung Lee, Kak Namkoong, Jung Yong Nam, Yeol Ho Lee, Ki Young Chang, Won Jong Jung
  • Patent number: 11350878
    Abstract: An apparatus for estimating bio-information may include a sensor configured to emit light to an object and detect light scattered or reflected from the object and a processor configured to acquire, based on an intensity of the detected light, a first absorbance coefficient change and a first scattering coefficient change, relative to a reference time point, acquire a second scattering coefficient change based on the first absorbance coefficient change, and correct the first scattering coefficient change based on the acquired second scattering coefficient change.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG ELECTRONICS CO.. LTD.
    Inventors: Jung Yong Nam, Kak Namkoong, Yeol Ho Lee, Joon Hyung Lee, Ki Young Chang, Won Jong Jung
  • Publication number: 20220167855
    Abstract: A biological information measuring apparatus for measuring biological information using an image sensor is provided. The biological information measuring apparatus may include a light-emitting pixel array including rows of light-emitting pixels; a light-receiving pixel array including rows of light-receiving pixels. The light-receiving pixel array may be configured to sample light that is emitted from the light-emitting pixel array and reflected by an object. The apparatus may include a bio-signal processor configured to measure biological information using data sampled by the light-receiving pixel array. Each of the light-emitting pixels may include a storage capacitor configured to store an nth light-emitting pixel signal and a memory capacitor configured to store an (n+1)th light-emitting pixel signal.
    Type: Application
    Filed: June 22, 2021
    Publication date: June 2, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Joo Kwon, Kyoung Jun Kim, Joon Hyung Lee, Yeol Ho Lee, Seol Young Choi