Patents by Inventor Chang-hwan Kim

Chang-hwan Kim 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: 20240396163
    Abstract: Separators, methods for manufacturing separators, and secondary batteries including the separators are disclosed. In one embodiment, a separator may include a porous substrate including a first surface and a second surface, and a coating layer disposed on at least one of the first surface or the second surface of the porous substrate and including inorganic particles and hollow conductive particles.
    Type: Application
    Filed: May 16, 2024
    Publication date: November 28, 2024
    Inventors: Sang Yoon JI, Jun Hwan AHN, Chang Hee LEE, Jun Hyung KIM
  • Publication number: 20240393705
    Abstract: Disclosed is a substrate processing apparatus in which weight of a buffer module may be reduced compared to the apparatus in the related art.
    Type: Application
    Filed: April 18, 2024
    Publication date: November 28, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Sang Hyun PARK, Seung Hwan LEE, Su Jin AHN, Geon Yup LIM, Jin Ki SHIN, Dong Hoon KANG, Hyun Soo KIM, Kwang Soo KIM, Chang Suk OH, Young Jun LEE
  • Patent number: 12156462
    Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang Han Lee, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung Il Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae cheol Choi
  • Publication number: 20240379156
    Abstract: The present invention relates to an optical property storage device and a system using the same. The device according to an exemplary embodiment of the present invention comprises: a light transistor in which the conductance between a source electrode and a drain electrode changes in accordance with optical properties of color temperature and illumination of incident light; and a variable resistance memory device of a second terminal in which a first electrode is electrically connected to any one electrode from among the source and drain electrodes of the light transistor, and which stores a conductance changing in accordance with the changed conductance of the light transistor.
    Type: Application
    Filed: April 7, 2022
    Publication date: November 14, 2024
    Inventors: Dae Hwan KIM, Dong Myoung KIM, Sung Jin CHOI, Chang Wook KIM, Jin Gyu PARK, Dong Uk KIM, Hyun Kyu LEE, Tae Jun YANG
  • Publication number: 20240381695
    Abstract: A display device includes a first electrode of a boost capacitor, disposed on a base layer, a second electrode of the boost capacitor, disposed on the first electrode of the boost capacitor, a gate electrode of a driving transistor, disposed on the base layer, and a connection electrode electrically connecting the gate electrode of the driving transistor and the second electrode of the boost capacitor to each other. The second electrode of the boost capacitor is disposed between the first electrode of the boost capacitor and the connection electrode, and the gate electrode of the driving transistor and the first electrode of the boost capacitor are disposed in a same layer.
    Type: Application
    Filed: January 26, 2024
    Publication date: November 14, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Kyoung Jin PARK, Chang Kyu JIN, Sung Hwan KIM
  • Publication number: 20240367173
    Abstract: The present invention may provide a cover for a specimen storage container, the cover comprising: a cover body comprising a tubular side portion and a bottom portion coupled to one end of the side portion, the cover body being detachably screwed to one open side of the specimen storage container into which at least one specimen collection swab is inserted; an insertion coupling part protruding from the bottom portion toward the specimen storage container, and having an internal space formed therein, stick parts of the at least one specimen collection swab being inserted and fitted into the internal space; and a separation prevention part provided in the insertion coupling part so as to engage with/contact the stick parts when the cover body is coupled to the specimen storage container, thereby preventing the stick parts from being separated from the insertion coupling part.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 7, 2024
    Inventors: Chang Wook GOH, Joong Hwan JEONG, Bong Yoon KIM
  • Publication number: 20240363967
    Abstract: Separators, methods for manufacturing the separators, and secondary batteries including the separators are disclosed. In one embodiment, a separator may include a porous substrate including a first surface and a second surface, and a coating layer disposed on at least one of the first surface or the second surface of the porous substrate and including inorganic particles and hollow adhesive particles.
    Type: Application
    Filed: April 24, 2024
    Publication date: October 31, 2024
    Inventors: Sang Yoon JI, Jun Hwan AHN, Chang Hee LEE, Jun Hyung KIM
  • Patent number: 12130220
    Abstract: A biosensor using an exceptional point is disclosed. A biosensor according to one embodiment of the present disclosure includes: a biosensing unit configured to output wavelength-separated optical signals from destruction of an exceptional point resulting from attachment of biomolecules; a detection unit configured to convert the wavelength-separated optical signals into wavelength-separated electrical signals; an analysis unit configured to measure a beat frequency resulting from the wavelength-separated electrical signals; and a determination unit configured to determine a wavelength difference resulting from the beat frequency, thereby determining the amount of the biomolecules therefrom.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: October 29, 2024
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chil Min Kim, Jin Hyeok Ryu, Chang Hwan Yi
  • Patent number: 12130851
    Abstract: The invention relates to a method and a system for improving performance of text summarization and has an object of improving performance of a technique for generating a summary from a given paragraph. According to the invention to achieve the object, a method for improving performance of text summarization includes: an a step of generating an embedding vector by vectorizing a natural language-based context; a b step of generating a graph using the embedding vector and calculating a first likelihood of each of at least one node included in the graph; a c step of generating a second likelihood by assigning a weight to the first likelihood according to a result of comparing at least one node included in the graph with the context; and a d step of calculating a third likelihood for all candidate paths present in the graph based on the second likelihood, selecting a path having a highest third likelihood, and generating a summary based on the path.
    Type: Grant
    Filed: June 14, 2023
    Date of Patent: October 29, 2024
    Assignee: 42Maru Inc.
    Inventors: Dong Hwan Kim, Han Su Kim, Woo Tae Jeong, Seung Hyeon Lee, Chang Hyeon Lim
  • Publication number: 20240356003
    Abstract: The present invention relates to a slurry for fabricating an electrode, an electrode, and an electrochemical cell including same. The slurry for fabricating an electrode according to the present invention includes: an electrode material; an organic binder; and two or more solvents having different solubility parameters. The electrode fabricated using the slurry for fabricating an electrode according to the present invention may have a structure in which electrode materials are dispersed and bound to a porous matrix in a network configuration.
    Type: Application
    Filed: December 7, 2022
    Publication date: October 24, 2024
    Inventors: Keun Ho Choi, Jung Hwan Kim, Geon Hee Lee, Hyeong Min Jo, Chang Hyeon Kim, Chang Kyoo Lee
  • Publication number: 20240325281
    Abstract: Provided are a multilayer cleaning agent composition including a perfluorinated oil, a hydrophilic functional group-bonded fluorine-based additive, and a polyol, and a method of cleaning a fluorine-based reactive skin protectant using the same. The composition may rapidly and safely clean a reactive skin protectant including the fluorine-based component which is applied to skin for preventing a chemical agent from penetrating into the skin and decomposition products thereof, thereby cleanly removing residues.
    Type: Application
    Filed: March 22, 2024
    Publication date: October 3, 2024
    Inventors: Hae Eun JOE, Chang Hwan KIM, Dong Sung SEO, Sang Woong KIM, Young CHO
  • Publication number: 20240334782
    Abstract: A display device includes a substrate, a circuit layer, a light emitting element layer, a sealing layer, and a polarization layer. A main area of the substrate includes a display area including emission areas and a non-display area disposed around the display area, the non-display area includes a dam area spaced apart from the display area, the dam area including at least one dam portion surrounding the display area. The non-display area also including a bonding area that surrounds the dam area, the circuit layer includes a buffer portion disposed in a part of the bonding area adjacent to the sub-area, the buffer portion being spaced apart from each of the sub-area and the dam area, and the polarization layer extends to the non-display area and overlaps the buffer portion.
    Type: Application
    Filed: November 15, 2023
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: June Hwan KIM, Chang Min SONG, Dong Gi AHN, Seok Won JEONG, Dae Youn CHO
  • Publication number: 20240318309
    Abstract: Disclosed are a raw material supply method including vaporizing a raw material in a canister, discharging the vaporized raw material, measuring an inner temperature of the canister, calculating a calculated temperature by using the inner temperature, and compensating a variation of the inner temperature by heating a heating unit disposed on the canister at the calculated temperature and a raw material supply apparatus applied to the method for supplying the raw material. The raw material supply method and apparatus may stably supply the vaporized raw material to a process space.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 26, 2024
    Inventors: Byung Gwan LIM, Sang Kyo KWON, Yong Hyun KIM, Jin Hyun KIM, Hong Eun KIM, Il Houng PARK, Chang Kyun PARK, In Woo BACK, Won Ju OH, Dong Hwan LEE, Yong Hyun LEE, Jun Seok LEE, Seung Hyun CHO, Jeong HEO
  • Publication number: 20240313328
    Abstract: The disclosed technology relates to a battery pack. In an example, the battery pack includes: a pair of base plates, a center frame between the pair of base plates and connected to each of the base plates at both sides in a longitudinal direction, a pair of side frames each connected to an outer side surface of each of the base plates in the longitudinal direction, and a plurality of battery modules on the pair of base plates in a pack space between the center frame and the side frame, wherein each of the plurality of battery modules includes a pair of module frames and accommodates a plurality of battery cells, and wherein the plurality of battery modules are accommodated in the pack space such that the module frames are disposed in a direction crossing the center frame and the side frame.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 19, 2024
    Inventors: Ju Hwan SHIN, Byung Do JANG, Ki Young KIM, Hyoung Suk LEE, Chang Hyeon YANG
  • Patent number: 12090556
    Abstract: Disclosed is a silver powder preparation method including a silver salt reduction step. The silver salt reduction step includes a reaction solution preparation step for preparing a first reaction solution and a second reaction solution and a precipitation step for allowing reaction between the first reaction solution and the second reaction solution to precipitate silver particles. The first reaction solution contains silver ions, ammonia, an alkali metal salt of an organic acid, and a phosphorous compound, and the second reaction solution contains a reducing agent. The content of the phosphorous compound and the reaction temperature of the precipitation step are adjusted so that the shrinkage rate of the silver powder is adjusted within a range of 5% to 20% at 500° C. when the reaction temperature is heated to 800° C. at a heating rate of 50° C./min.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: September 17, 2024
    Assignee: LS MNM INC.
    Inventors: Jae Won Choi, Chang Gun Lee, Mi Young Lee, Woo Min Jin, Tae Hoon Kang, Young Hwan Kim
  • Patent number: 12085968
    Abstract: Provided is a multi-port gas flow rate control apparatus. The multi-port gas flow rate control apparatus includes a gas supply chamber configured to supply a measurement gas input through one gas inflow channel while allowing the measurement gas to diverge into a plurality of flows, a plurality of gas divergence flow channels each having one side connected to the gas supply chamber and configured to transfer the measurement gas flowing through the gas supply chamber to a plurality of gas sensors, respectively, and a gas measurement chamber configured to accommodate the plurality of gas sensors, including the plurality of gas divergence flow channels configured to connect to the gas supply chamber to the plurality of gas sensors to transfer a gas outflow diverging through the gas supply chamber to the plurality of accommodated gas sensors, and configured to discharge the gas outflow sensed by the plurality of gas sensors.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: September 10, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwang Hyo Chung, Chang Geun Ahn, Do Hyun Kim, Seung Hwan Kim, Hyung Wook Noh, Hwin Dol Park, Yong Won Jang, Jae Hun Choi
  • Publication number: 20240280449
    Abstract: The present invention may provide a kit for sampling and preserving a specimen, the kit comprising: a specimen sampling swab; a specimen preserving container for accommodating and storing the specimen sampling swab; a specimen container cover which is coupled to one opened side of the specimen preserving container to be attachable/detachable and opens/closes an accommodation space; and an insertion/coupling portion which protrudes from the inner bottom surface of the specimen container cover toward the accommodation space and has an inner space formed therein, so that a plurality of stick portions are inserted and fitted into the inner space. According to the above statement, when the saliva in the oral cavity and nasal cavity of an examinee are sampled by using respective sampling swabs, the sampling sticks can be simultaneously stored in one sealed container without being stored in separate sealed containers.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 22, 2024
    Inventors: Chang Wook GOH, Joong Hwan JEONG, Bong Yoon KIM
  • Publication number: 20240270457
    Abstract: The present invention can provide a container cap for storing a specimen, the container cap being characterized by comprising: a cap body which includes a tubular side portion and a bottom portion coupled to one end of the side portion, and is detachably screw-fastened to an open side of a specimen storage container in which one or more specimen collection swabs are inserted; an insertion coupling part which protrudes from the bottom portion toward the specimen storage container and has an inner space formed therein, wherein respective stick portions of the one or more specimen collection swabs are inserted into the inner space and fitted and coupled thereto; and a protrusion fitting part which is positioned at the central portion of the inner space and protrudes from the bottom surface of the cover body.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 15, 2024
    Inventors: Chang Wook GOH, Joong Hwan JEONG, Bong Yoon KIM
  • Publication number: 20240263307
    Abstract: Provided is a method for depositing a thin film, which is performed to deposit a thin film on a substrate. A method for depositing a thin film includes supplying a source gas together with a first diffusion gas onto a substrate provided in a process space, and supplying a reactant gas together with a second diffusion gas onto the substrate to continuous with the supplying of the source gas. The first diffusion gas and source gas and the second diffusion gas and reactant gas are supplied onto the substrate through paths different from each other.
    Type: Application
    Filed: June 3, 2022
    Publication date: August 8, 2024
    Inventors: Yong Hyun KIM, Il Houng PARK, Chang Kyun PARK, Won Ju OH, Dong Hwan LEE, Yong Hyun LEE, Jun Seok LEE, Byung Gwan LIM
  • Publication number: 20240261788
    Abstract: The present invention may provide a specimen collection and storage container comprising: a specimen storage container; a specimen container cover; an insertion coupling part provided on the specimen container cover; and an airtight part provided on the specimen container cover so as to maintain airtightness by bringing the specimen container cover into contact with the specimen storage container when the specimen container cover is coupled to the specimen storage container. According to the above description, fastening force can be secured and airtightness can be improved. Therefore, a medium can be prevented from leaking and being contaminated by the outside.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 8, 2024
    Inventors: Chang Wook GOH, Joong Hwan JEONG, Bong Yoon KIM