Patents by Inventor Yong-joo Kwon

Yong-joo Kwon 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: 12187939
    Abstract: A quantum dot including a semiconductor nanocrystal core and a semiconductor nanocrystal shell disposed on the core and does not include cadmium, wherein the core includes a Group III-V compound, the quantum dot has a maximum photoluminescence peak in a green light wavelength region, a full width at half maximum (FWHM) of the maximum photoluminescence peak is less than about 50 nanometers (nm), and a difference between a wavelength of the maximum photoluminescence peak and a first absorption peak wavelength of the quantum dot is less than or equal to about 25 nanometers, and a production method thereof.
    Type: Grant
    Filed: April 4, 2023
    Date of Patent: January 7, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jihyun Min, Seon-Yeong Kim, Eun Joo Jang, Hyo Sook Jang, Soo Kyung Kwon, Yong Wook Kim
  • Patent number: 12187942
    Abstract: A cadmium free quantum dot includes zinc, tellurium, and selenium, and lithium. A full width at half maximum of a maximum luminescent peak of the cadmium free quantum dot is less than or equal to about 50 nanometers and the cadmium free quantum dot has a quantum efficiency of greater than 1%.
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: January 7, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Wook Kim, Eun Joo Jang, Hyo Sook Jang, Soo Kyung Kwon, Seon-Yeong Kim, Ji-Yeong Kim
  • Publication number: 20240422595
    Abstract: Proposed are an apparatus and a method for an intelligence beam management operation in a wireless communication system. An operation method of a user equipment (UE) in a wireless communication system includes receiving, from a base station (BS), configuration of a measurement set including beam entirety information of the base station used in beam measurement, receiving information on beam measurement from the base station, predicting the measurement set on the basis of the information on beam measurement, transmitting information on a recommended measurement set or a restricted measurement set to the base station, the information on the recommended measurement set and the restricted measurement set being in a bitmap form, and receiving a beam measurement result based on a modified measurement set from the base station.
    Type: Application
    Filed: June 13, 2024
    Publication date: December 19, 2024
    Inventors: Yong Jin KWON, An Seok LEE, Hee Soo LEE, Seung Jae BAHNG, Yun Joo KIM, Hyun Seo PARK, Jung Bo SON, Yu Ro LEE
  • Publication number: 20240398824
    Abstract: Provided herein are compositions comprising a RIPK2 inhibitor and methods of using the RIPK2 inhibitor for treating or preventing neurodegenerative diseases or disorders. Also provided herein are methods of screening or identifying therapeutic agents useful for treating or preventing neurodegenerative diseases or disorders.
    Type: Application
    Filed: June 12, 2024
    Publication date: December 5, 2024
    Inventors: Seulki Lee, Han Seok Ko, Ted M. Dawson, Martin G. Pomper, Donghoon Kim, Yumin Oh, Seung-Hwan Kwon, Yong Joo Park
  • Patent number: 12152184
    Abstract: A quantum dot including a core including a first semiconductor nanocrystal including zinc, selenium, and tellurium, and a semiconductor nanocrystal shell disposed on the core, the semiconductor nanocrystal shell including zinc, and selenium, sulfur, or a combination thereof, wherein the quantum dot does not include cadmium, a mole ratio of tellurium relative to selenium in the first semiconductor nanocrystal is greater than about 1:1, a mole ratio of a sum of selenium and sulfur relative to in the quantum dot is greater than about 1:1, a wavelength of a maximum emission peak of the quantum dot is in a range of about 500 nanometers (nm) to about 550 nm, and the quantum dot has quantum efficiency (QY) of greater than or equal to about 30%, a quantum dot-polymer composite including the quantum dot, a display device including the quantum dot-polymer composite, and an electroluminescent device including the quantum dot.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soo Kyung Kwon, Yong Wook Kim, Seon-Yeong Kim, Ji-Yeong Kim, Jihyun Min, Eun Joo Jang, Seonmyeong Choi, Sungwoo Hwang
  • Patent number: 12146086
    Abstract: A quantum dot including a core including a quaternary alloy semiconductor nanocrystal and not including cadmium, a composition and a quantum dot polymer composite including the same, and an electronic device including the same. The quaternary alloy semiconductor nanocrystal comprises indium (In), phosphorous (P), zinc (Zn), and selenium (Se), and in the core, a ratio of the zinc with respect to the indium is less than or equal to about 0.5:1 and in the core, a ratio of selenium with respect to zinc is less than or equal to about 0.6:1.
    Type: Grant
    Filed: May 2, 2023
    Date of Patent: November 19, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soo Kyung Kwon, Yong Wook Kim, Jihyun Min, Eun Joo Jang
  • Patent number: 12144593
    Abstract: An apparatus for measuring bio-signals is provided. According to an example embodiment, the apparatus for measuring bio-signals includes: a light source configured to emit light onto an object; an image sensor including: a pixel array configured to detect the light emitted by the light source and reacted by the object and a pixel binning unit configured to bin data of the light, detected by the pixel array, by using at least two different binning sizes; and a processor configured to acquire a plurality of bio-signals respectively based on data of the at least two different binning sizes, which are output from the image sensor.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: November 19, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Wook Lee, Byung Hoon Ko, Yong Joo Kwon, Seung Woo Noh, Hyun Seok Moon, Sung Mo Ahn, Kun Sun Eom, Tak Hyung Lee, Myoung Hoon Jung, Chang Mok Choi
  • Publication number: 20240340679
    Abstract: A method of identifying an artificial intelligence (AI)/machine learning (ML) functionality and model supported for mobile communication operated in a mobile communication system including a base station and one or more user equipments (UEs), the method comprising: delivering, from the base station, dataset identification information regarding at least one dataset to the UE; and reporting, by the UE, valid AI/ML-related UE capability for the at least one dataset corresponding to the dataset identification information to the base station.
    Type: Application
    Filed: April 5, 2024
    Publication date: October 10, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Han Jun PARK, Yong Jin KWON, An Seok LEE, Heesoo LEE, Yun Joo KIM, Hyun Seo PARK, Jung Bo SON, Yu Ro LEE
  • Publication number: 20240314612
    Abstract: A method of a terminal may comprise: receiving, from a serving cell, a first message including measurement report configuration information; in response to transmission of a measurement report message being triggered based on the first message, generating a measurement report message; and in response to a measurement report message transmission condition configured by the first message being satisfied, transmitting the measurement report message to the serving cell.
    Type: Application
    Filed: March 7, 2024
    Publication date: September 19, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Seo PARK, Yong Jin KWON, Yun Joo KIM, Han Jun PARK, Jung Bo SON, An Seok LEE, Yu Ro LEE, Sung Cheol CHANG, Heesoo LEE
  • Publication number: 20240284314
    Abstract: A method of identifying AI/ML functionalities/models supported for mobile communication operated in mobile communication systems including a base station and one or more terminals may comprise: identifying, by at least one of the base station or the one or more terminals, information related to the AI/ML functionalities supportable by the one or more terminals; and identifying, by at least one of the base station or the one or more terminals, AI/ML model information supportable by the one or more terminals.
    Type: Application
    Filed: February 14, 2024
    Publication date: August 22, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Han Jun PARK, Yong Jin Kwon, An Seok Lee, Heesoo Lee, Yun Joo Kim, Hyun Seo Park, Jung Bo Son, Yu Ro Lee
  • Patent number: 12064270
    Abstract: An apparatus for estimating cardiovascular information includes: a main body; and a strap connected to the main body and formed to be flexible to be wrapped around an object, wherein the main body may include: a pulse wave measurer configured to measure, from the subject, a first pulse wave signal by using a first light of a first wavelength, and a second pulse wave signal by using a second light of a second wavelength, the first wavelength being different from the second wavelength; a contact pressure measurer configured to measure a contact pressure between the object and the pulse wave measurer; and a processor configured to extract a cardiovascular characteristic value based on the first pulse wave signal, the second pulse wave signal, and change in the contact pressure, and estimate cardiovascular information based on the extracted cardiovascular characteristic value.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Min Kang, Yong Joo Kwon, Seung Woo Noh, Sang Yun Park
  • Publication number: 20240267183
    Abstract: A method of a terminal may comprise: receiving a reference signal from a base station; generating a first latent vector based on the reference signal by using an artificial neural network, the first latent vector being common CSI for M resource regions, and M being a positive integer; generating a second latent vector based on the reference signal by using the artificial neural network, the second latent vector being per-resource region CSI for each of the M resource regions; and transmitting structured CSI including the first latent vector and the second latent vectors to the base station.
    Type: Application
    Filed: January 31, 2024
    Publication date: August 8, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Han Jun PARK, Yong Jin KWON, An Seok LEE, Heesoo LEE, Yun Joo KIM, Hyun Seo PARK, Jung Bo SON, Yu Ro LEE
  • Patent number: 12049581
    Abstract: A core-shell quantum dot comprising zinc, a core comprising a first semiconductor nanocrystal material; and a semiconductor nanocrystal shell disposed on the core, wherein the core-shell quantum dot does not comprise cadmium, and does comprise zinc, tellurium, selenium, and aluminum.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: July 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Yeong Kim, Soo Kyung Kwon, Seon-Yeong Kim, Yong Wook Kim, Eun Joo Jang
  • Publication number: 20240251257
    Abstract: Disclosed are a method and an apparatus for improving mobility management performance by reducing unnecessary handovers in a communication system. a method of a terminal may comprise: receiving cell prediction configuration information; generating measurement results by performing measurements on a serving cell and neighbor cell(s) based on signal strength measurement configuration information; and generating a result of predicting a best cell by performing best cell prediction based on the measurement results.
    Type: Application
    Filed: December 15, 2023
    Publication date: July 25, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Seo PARK, Yong Jin KWON, Yun Joo KIM, Han Jun PARK, Jung Bo SON, An Seok LEE, Yu Ro LEE, Sung Cheol CHANG, Heesoo LEE
  • Patent number: 12043780
    Abstract: A quantum dot comprising zinc, tellurium, and selenium and not comprising cadmium, wherein a maximum luminescent peak of the quantum dot is present in a wavelength range of greater than about 470 nanometers (nm) and a quantum efficiency of the quantum dot is greater than or equal to about 10%, and wherein the quantum dot comprises a core comprising a first semiconductor nanocrystal and a semiconductor nanocrystal shell disposed on the core.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soo Kyung Kwon, Seon-Yeong Kim, Yong Wook Kim, Ji-Yeong Kim, Eun Joo Jang
  • 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
  • Patent number: 11896354
    Abstract: A blood pressure measuring apparatus, may include: a touch sensor; a pulse wave measurer configured to measure pulse waves from a user's finger when the user's finger is in contact with the touch sensor; a contact pressure measurer configured to measure a contact pressure between the user's finger and the touch sensor; a fingerprint recognizer configured to recognize a fingerprint of the user's finger; and a processor configured to determine a degree of position coincidence between the user's finger and the pulse wave measurer based on the recognized fingerprint, and to estimate a blood pressure of the user based on the pulse waves and the contact pressure according to the determined degree of position coincidence.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Yun Park, Jae Min Kang, Yong Joo Kwon, Youn Ho Kim
  • Patent number: 11786180
    Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information may include: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to measure a force exerted by the object to the pulse wave sensor; and a processor configured to obtain a contact pressure based on the force and a reference contact area between the object and a contact surface, and estimate bio-information based on the contact pressure and the pulse wave signal.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: October 17, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Min Kang, Yong Joo Kwon, Youn Ho Kim, Sang Yun Park, Jin Woo Choi
  • Patent number: 11779228
    Abstract: A bio-signal measurement apparatus may include a first substrate and a second substrate, an optical sensor mounted in the first substrate, a force sensor disposed on or below the first substrate, and a separation structure interposed between the first substrate and the second substrate so as to prevent transmission of a force between the first substrate and the second substrate. An upper surface of the first substrate and an upper surface of the second substrate may be provided at the same level.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: October 10, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung Hoon Ko, Yong Joo Kwon, Young Soo Kim, Sang Yun Park, Jong Wook Lee, Chang Mok Choi, Jae Min Kang, Youn Ho Kim
  • Patent number: 11714452
    Abstract: Provided are foldable electronic device and method for estimating bio-information by using the same. The foldable electronic device may include: a main body part including a first main body and a second main body that are configured to be folded toward each other or unfolded from each other along a fold line where the first main body and the second main body meet; an image sensor part including a first image sensor and a second image sensor which are disposed at the first main body; and a processor configured to obtain a contact image of an object from the first image sensor disposed at the first main body and obtain an image of a marker that is displayed on the second main body, from the second image sensor disposed at the first main body, when the object is in contact with the first image sensor and the main body part is folded along the fold line, and estimate bio-information based on the contact image of the object and the image of the marker.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: August 1, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Min Kang, Yong Joo Kwon, Sang Yun Park