Patents by Inventor Woo Choi

Woo Choi 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: 20250261486
    Abstract: There is provided a display device comprising a substrate, a pixel electrode on the substrate, a light emitting element on the pixel electrode, and extending in a thickness direction of the substrate, a common electrode on the light emitting element, a wavelength conversion layer on the common electrode, including wavelength conversion particles for converting first light emitted from the light emitting element into second light, and a selective transmission film on an upper surface and on sides of the wavelength conversion layer, and configured to reflect the first light, and to transmit the second light.
    Type: Application
    Filed: April 7, 2025
    Publication date: August 14, 2025
    Inventors: Jin Woo CHOI, Sung Kook PARK, Dae Ho SONG, Tae Hee LEE, Hae Yun CHOI
  • Publication number: 20250256262
    Abstract: The present invention relates to a PAN fiber-based gold absorption material, a method of manufacturing the same, and a method of recovering gold using the same, which may implement an excellent gold absorbent property, excellent durability, excellent manufacturability, and excellent usability through a structure in which an alkylamine compound is immobilized on a polyacrylonitrile (PAN) fiber. The PAN fiber-based gold absorption material according to the present invention is provided to adsorb gold ions in water, which is configured to have a structure in which the alkylamine compound is immobilized on a PAN fiber surface.
    Type: Application
    Filed: April 29, 2024
    Publication date: August 14, 2025
    Inventors: Jae Woo CHOI, Youngkyun JUNG, Kyung-Won JUNG, Sujin YOON
  • Publication number: 20250257108
    Abstract: The present invention relates to a pharmaceutical composition comprising an immunoglobulin Fc region and an IL-7 fusion protein. Specifically, when a fusion protein comprising the immunoglobulin Fc region and IL-7 is administered to an affected area, a strong immune response is induced in the body and thus allows human papillomavirus-caused diseases to be prevented or treated.
    Type: Application
    Filed: January 17, 2025
    Publication date: August 14, 2025
    Applicant: GENEXINE, INC.
    Inventors: Moon Cheol KANG, Young Woo CHOI, Donghoon CHOI, Young Chul SUNG
  • Publication number: 20250237756
    Abstract: A photoacoustic ultrasonic sensor-based sensing apparatus may include a signal generator configured to generate an ultrasonic signal; a transmitter configured to emit the ultrasonic signal; a receiver configured to receive an echo signal that occurs when the ultrasonic signal is reflected from an object; and a photoacoustic ultrasonic sensor configured to measure a light signal modulated based on at least one of the ultrasonic signal or the echo signal.
    Type: Application
    Filed: September 9, 2024
    Publication date: July 24, 2025
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Yun PARK, Byung Hoon KO, Seung Woo NOH, Jin Woo CHOI, Hyun Il BYUN
  • Patent number: 12368845
    Abstract: According to the present invention, there is provided a method of decoding a video signal, the method including: determining an intra prediction mode of a current block; applying a filter to a first reference sample adjacent to the current block; obtaining a first prediction sample of the current block on the basis of the intra prediction mode and a second reference sample obtained by applying the filter; and obtaining a second prediction sample of the current block using the first prediction sample and the first reference sample.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: July 22, 2025
    Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Yung-Lyul Lee, Nam Uk Kim, Jun Woo Choi
  • Patent number: 12364404
    Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information includes: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to measure force exerted between the object and the pulse wave sensor; and a processor configured to obtain an oscillogram by using the pulse wave signal and the force, to determine a first mean arterial pressure (MAP) based on the obtained oscillogram, to extract additional information in an interval preceding a point of the first MAP of the oscillogram, to obtain a second MAP based on the first MAP and the additional information, and to estimate bio-information based on the obtained second MAP.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: July 22, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hye Rim Lim, Sang Yun Park, Chang Mok Choi, Jae Min Kang, Jin Woo Choi
  • Patent number: 12368847
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus, and more particularly, a method and apparatus for performing filtering in video encoding and decoding. An encoding apparatus may perform filtering on a target, and may generate filtering information indicating whether filtering has been performed on the target. Further, the encoding apparatus may generate a bitstream including filtering information. A decoding apparatus may determine, based on filtering information, whether to perform filtering on a target, and may perform filtering on the target. The decoding apparatus may receive filtering information from the encoding apparatus through a bitstream or may derive filtering information using additional information.
    Type: Grant
    Filed: October 13, 2022
    Date of Patent: July 22, 2025
    Assignees: Electronics and Telecommunications Research Institute, INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY
    Inventors: Sung-Chang Lim, Jung-Won Kang, Hyunsuk Ko, Jin-Ho Lee, Ha-Hyun Lee, Dong-San Jun, Seung-Hyun Cho, Hui-Yong Kim, Yung-Lyul Lee, Jun-Woo Choi, Jin-Soo Choi, Nam-Uk Kim, Myung-Jun Kim
  • Publication number: 20250233121
    Abstract: An electrode coating device includes a front surface coating part, which is provided on a traveling path of a current collector, for coating a slurry on the front surface of the current collector, a back surface coating part, which is provided on the traveling path, for coating the slurry on the back surface of the current collector passing through the front surface coating part, and a guide roll including a core part having a rotating shaft, and a surface part surrounding the core part and formed of a material different from that of the core part, and transferring the current collector in a state where the back surface of the current collector faces the back surface coating part. A guide roll is also provided.
    Type: Application
    Filed: May 18, 2023
    Publication date: July 17, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Doo Hyun Lee, Yeong Cheol Jang, Tae Yeon Kim, Min Woo Choi, Jae Huoung Son, Chang Bum Ahn
  • Patent number: 12359344
    Abstract: Disclosed are a silicon carbide powder and a method of manufacturing a silicon carbide ingot using the same. More particularly, the silicon carbide powder includes carbon and silicon and has a particle circularity of 0.4 to 0.9 measured through 2D image analysis.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: July 15, 2025
    Assignee: Senic Inc.
    Inventors: Jong Hwi Park, Kap Ryeol Ku, Jung Gyu Kim, Jung Woo Choi, Jung Doo Seo, Myung Ok Kyun
  • Patent number: 12357677
    Abstract: The present invention relates to a pharmaceutical composition comprising an interleukin-7 fusion protein to which an immunoglobulin Fc region has been fused for preventing or treating diseases caused by influenza virus A. The fusion protein comprising the immunoglobulin Fc region and IL-7 according to the present invention protects the body from infection due to influenza virus A and thus can treat diseases which can be caused by the virus.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: July 15, 2025
    Assignee: GENEXINE, INC.
    Inventors: Moon Cheol Kang, Young Woo Choi, Donghoon Choi, Young Chul Sung
  • Patent number: 12360511
    Abstract: An automated chemical formulation apparatus includes: a data reception unit that receives an input chemical material dataset including chemical material information, chemical composition information, chemical formulation information and property information thereof; a predicting model generation unit that trains a first machine learning model using the input chemical material dataset to generate a predicting model for predicting a chemical formulation based on target property information of a target material; and a formulation prediction unit that sets a boundary condition based on the input chemical material dataset, generates a new input dataset including at least one of chemical material information, chemical composition information, and chemical formulation information within the boundary condition, inputs the new input dataset to the predicting model, and sets predetermined one or more pieces of target property information to perform prediction, thereby outputting a first group of chemical formulation da
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: July 15, 2025
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung Bum Hong, Chi Hao Liow, Young Woo Choi
  • Publication number: 20250222417
    Abstract: An agitator according to embodiments of the present disclosure includes: an agitation tank; a rotation axis that is installed to rotate within the agitation tank; a first wing portion that is connected to the rotation axis and includes a plurality of wings parallel to the rotation axis; and a second wing portion that is connected to the rotation axis and includes a band-shaped wing forming a screw thread along the rotation axis.
    Type: Application
    Filed: September 26, 2024
    Publication date: July 10, 2025
    Inventors: Youngsan KO, Wook Ryol HWANG, Hyeon Woo CHOI, Hyun Dong YOU, Min Jong SEONG
  • Publication number: 20250224840
    Abstract: A driving circuit includes: a display driver to generate a horizontal synchronization signal and a vertical synchronization signal according to a first clock signal of a first oscillator; a sensor driver to generate a touch signal according to a second clock signal of a second oscillator; and a determination circuit to detect a cycle of at least one of the horizontal synchronization signal or the vertical synchronization signal according to the second clock signal, and output a detection signal when the cycle is out of a range. The determination circuit is a part of the display driver or the sensor driver.
    Type: Application
    Filed: March 24, 2025
    Publication date: July 10, 2025
    Inventors: Jun Young KO, Tae Hyeon YANG, Han Su CHO, Tae Joon KIM, Hyun Wook CHO, Jae Woo CHOI
  • Patent number: 12346484
    Abstract: A user terminal according to an embodiment may include a processor configured to: based on accessing an instant messaging server with a user account and the user account being a general account, display a general interface for a plurality of services provided to the general account; and based on the user account being a protected account, display a protected interface in which at least some of the plurality of services provided to the general account is restricted.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: July 1, 2025
    Assignee: KAKAO CORP.
    Inventors: You Jin Kim, Jung Woo Choi, Jenog Ryeol Choi, Joong Seon Kim, Hong Chan Yun, Ju Ho Chung, Do Hyun Youn, Hyung Min Kim, Hyun Ok Choi, Chun Ho Kim, Bo Kyung Kim
  • Publication number: 20250212574
    Abstract: A display device according to one or more embodiments includes a first pixel in a display area, and including a first pixel electrode, a first common electrode spaced apart from the first pixel electrode, a first light-emitting element connected between the first pixel electrode and the first common electrode, and a second light-emitting element connected in parallel with the first light-emitting element between the first pixel electrode and the first common electrode, and having a threshold voltage that is lower than a threshold voltage of the first light-emitting element.
    Type: Application
    Filed: July 23, 2024
    Publication date: June 26, 2025
    Inventors: Chang Il TAE, Kang Young LEE, Hyung Il JEON, Jin Woo CHOI
  • Publication number: 20250212368
    Abstract: The present invention relates to a heat sink with a multistage pore channel structure and the heat sink includes a main body including an entrance through which a fluid is introduced or discharged and a plurality of channel parts disposed to be stacked in the main body and communicating with the entrance.
    Type: Application
    Filed: November 4, 2024
    Publication date: June 26, 2025
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Sung-Min KIM, Won-Woo CHOI, Seong-Hwan BANG, Hong-Cheol SHIN, Santhosh SENGUTTUVAN, Seong-Jin AHN, Seung-Su JEONG
  • Publication number: 20250207287
    Abstract: A substrate supporting plate that may prevent deposition on a rear surface of a substrate and may easily unload the substrate. The substrate supporting plate may include a substrate mounting portion and a peripheral portion surrounding the substrate mounting portion. An edge portion of a top surface of the substrate mounting portion may be anodized. A central portion of the top surface of the substrate mounting portion may not be anodized.
    Type: Application
    Filed: March 11, 2025
    Publication date: June 26, 2025
    Inventors: Yong Min Yoo, Seung Woo Choi, Dong Seok Kang, Jong Won Shon
  • Patent number: 12341193
    Abstract: A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2?20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2?) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1: LiaNixCoyMnzM1-x-y-zO2,??[Chemical Formula 1] where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9?a?1.3, 0.6?x?1.0, 0.0?y?=0.4, 0.0?z?0.4, and 0.0?1×x?y?z?0.4, ?0.025?FWHM(104)?{0.04+(xfirst particle?0.6)×0.25}?0.025,??[Formula 1] where FWHM(104) is represented by Formula 2, FWHM(104)={(FWHMChemical Formula 1 powder(104)?0.1×mass ratio of second particles)/mass ratio of first particles}?FWHMSi powder (220).
    Type: Grant
    Filed: April 10, 2024
    Date of Patent: June 24, 2025
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Jung Han Lee, Seung Woo Choi, Moon Ho Choi, Jun Won Suh, Jin Kyeong Yun, Mi Hye Yun, Kwang Seok Choi, Joong Ho Bae, Jin Oh Son
  • Patent number: 12342669
    Abstract: A display device includes a substrate, pixel electrodes on the substrate, light emitting elements on corresponding ones of the pixel electrodes, a first partition wall around sides of each of the light emitting elements, a common electrode on an upper surface of each of the light emitting elements, wavelength conversion layers on the common electrode, and a second partition wall around sides of each of the wavelength conversion layers. The first partition wall has conductivity.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: June 24, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung Il Jeon, Sung Kook Park, Ki Seong Seo, Dae Ho Song, So Yeon Yoon, Ok Yi Lee, Jin Woo Choi
  • Publication number: 20250200737
    Abstract: The purpose of the present invention is to provide an apparatus and a method for assessing the particle size of a blast furnace raw material, wherein individual particles of a raw material are detected from a video image captured to assess the particle size of the raw material, and the type of the raw material is simultaneously identified, thereby assessing the particle size with regard to each raw material type.
    Type: Application
    Filed: December 16, 2022
    Publication date: June 19, 2025
    Applicant: POSCO CO., LTD
    Inventors: Sang-Woo CHOI, Chang-Hyun PARK, Young-Do PARK, Ho-Moon BAE