Patents by Inventor Kyoung-hwan Kim

Kyoung-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: 20240405288
    Abstract: The present invention relates to a secondary battery capable of enhancing safety and test reliability. According to one embodiment, disclosed is a secondary battery comprising: an electrode assembly in which a first electrode plate and a second electrode plate are alternately stacked; and a case for accommodating the electrode assembly, wherein the first electrode plate includes an outer electrode plate located at the outermost part of the electrode assembly, and an inner electrode plate located inside the electrode assembly, and the outer electrode plate is smaller than the inner electrode plate and the second electrode plate.
    Type: Application
    Filed: August 7, 2024
    Publication date: December 5, 2024
    Inventors: Kyoung Hwan KIM, Cheoul Whan KIM
  • Patent number: 12157188
    Abstract: The present invention relates to a weld bead inspection device that inspects welding quality by measuring the state of beads formed at a welding part of a metallic or non-metallic pipe, or the like, and more specifically, to a weld bead inspection device that more efficiently inspects a welding part joined by a method such as thermal fusion for connection between pipes or connection between a pipe and a fitting. The weld bead inspection device includes a housing unit that forms an appearance; an imaging unit that images shapes of the weld beads in an inner space that is open downward from a middle inner side of the housing unit; a control unit that is provided in the housing unit to store image data captured by the imaging unit or to calculate external shapes of the weld beads for determining welding quality on the basis of the image data.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: December 3, 2024
    Assignee: AGRU KOREA CO., LTD.
    Inventors: Min-Gab Bog, Hyeon Seop Park, Na Yeong Park, Kyoung Hwan Heo, Hyun Beom Jeong, Seong-Gyu Hwang, Hyun Soo Kim
  • Publication number: 20240392094
    Abstract: A method for screening a solvent for extracting polyvinyl chloride (PVC) from waste using the following Equation 1: PVC ? solubility ? score = x 1 ? exp ? ( - x 2 ? ? pvc sol - x 3 ? ? dop sol ) + x 4 ? exp ? ( - x 5 ? r pvc - x 6 ? r dop ) - x 7 ? exp ? ( - x 8 ? V sol ) + x 9 , ?ij is a chemical potential of the solvent, and in ?ij, i is a solute and j is the solvent, ri is a Hansen solubility parameter distance of the solvent, Vsol is a molecular volume of the solvent, sol is the solvent, pvc is polyvinyl chloride, and dop is diethylhexyl phthalate. A method for recycling waste is also provided. Additionally, a recycled polyvinyl chloride and a recycled composition are provided.
    Type: Application
    Filed: September 2, 2022
    Publication date: November 28, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Kyeong Hwan Han, Eunbyeol Ko, Kyoung Hoon Kim, Seungha Kim, Hyung Sop Kim, Gahyeon Lee, Seung Yong Lee, Yoonsun Jang
  • 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: 20240376284
    Abstract: A method for screening a solvent for extracting acrylonitrile-butadiene-styrene (ABS) from waste using the following Equation 1: EScore=X1 exp(?mixE)+x2[log(x3Mvola)+log(x4HSPb)]+c, where mixE is the mixing energy between ABS and the solvent, Mvol is the molar volume of the solvent, HSP is the Hansen solubility parameter, x1, x2, x3, and x4 are each a real number from ?1 to 1, a and b are each a real number from 0 to 1, and c is a real number from ?10 to 10. A method for recycling waste having ABS is also provided. Additionally, a recycled acrylonitrile-butadiene-styrene copolymer and a recycled acrylonitrile-butadiene-styrene copolymer composition_are provided.
    Type: Application
    Filed: September 2, 2022
    Publication date: November 14, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Eunbyeol Ko, Kyoung Hoon Kim, Seungha Kim, Hyung Sop Kim, Gahyeon Lee, Seung Yong Lee, Yoonsun Jang, Kyeong Hwan Han
  • 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: 20240365854
    Abstract: The disclosure relates to a cooling filter and a smoking article including the same, and more particularly, to a cooling filter having a tubular shape with a hollow formed inside, and a main body portion, in which a coating layer is formed on a surface of the hollow, and the coating layer includes alkaline metal chloride, and a smoking article including the same. By using the filter, a smoking article with an effective cooling function and improved tobacco taste and long-lasting smoke flavor may be provided.
    Type: Application
    Filed: December 9, 2022
    Publication date: November 7, 2024
    Applicant: KT&G CORPORATION
    Inventors: Min-Hee HWANG, Kyoung Hwan OH, Moon Won KIM, Yongmi JUNG, Man Seok SEO
  • Patent number: 12134509
    Abstract: The present disclosure relates to a container for retort food and, more specifically, to a container for retort food, which includes: a ridge portion having a closed curve shape to surround a tray part; and an exhaust hole surrounded by the ridge portion, so that the container enables a lid film to be automatically peeled off from the ridge portion by means of a steam pressure generated in a food during heating to exhaust steam and can be used for retort food which is stored at room temperature.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: November 5, 2024
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Ki Pyo Kim, Yong Hwan Kim, Kyoung Sik Cho, Kwang Soo Park, Byung Kook Lee
  • Publication number: 20240360285
    Abstract: Provided is a biodegradable film for cigarette packaging, the film including a first film layer applied such that one surface thereof faces a cigarette product, a third film layer applied such that one surface thereof is exposed to the outside, and a second film layer positioned between the first film layer and the third film layer. In the biodegradable film, the first film layer, the second film layer and the third film layer are each formed with different compositions, and at least one of the first film layer, the second film layer and the third film layer includes a biodegradable material. The biodegradable film has a biodegradation rate of 90% or more after 60 days, and has an outer surface kinetic friction coefficient of 0.3 or less.
    Type: Application
    Filed: December 16, 2022
    Publication date: October 31, 2024
    Applicant: KT&G CORPORATION
    Inventors: Kyoung Hwan OH, Soo Ho KIM, Man Seok SEO, Min Hee HWANG
  • Patent number: 12130984
    Abstract: A display device includes a pixel unit including a sensing region where pixels are disposed at a first pixels per inch (PPI) and a display region where pixels are disposed at a second PPI; a touch sensor unit disposed on the pixel unit, and including a first touch sensor region where touch sensors are disposed at a first electrode density and a second touch sensor region where touch sensors are disposed at a second electrode density higher than the first electrode density; a display panel driver configured to drive the pixel unit; and a touch sensor driver configured to change at least one of a voltage level of a driving pulse applied to the first touch sensor region and an accumulated number of the touch signals sensed from the first touch sensor region based on the touch signals sensed from the first touch sensor region overlapping with the sensing region.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: October 29, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jong Hee Hwang, Bo Gun Seo, Kyoung Hwan Kim
  • Publication number: 20240353593
    Abstract: Provided are an optical member and an optical display device comprising same, the optical member comprising a support layer and an optically functional layer laminated on one surface of the support layer, wherein: the optically functional layer includes a groove having inclined surfaces; at least one convex portion extending from the flat portion of the optically functional layer is formed at each of the inclined surfaces; the convex portion is a curved surface with a radius of curvature of 1 mm or greater, and each of the inclined surfaces satisfies expression 1.
    Type: Application
    Filed: August 3, 2022
    Publication date: October 24, 2024
    Inventors: Kyoung Gon PARK, Sung Hyun MUN, Jin Young LEE, Ji Young HAN, Ji Won KANG, Ji Yeon KIM, Ji Ho KIM, Jae Hyun HAN, Il Jin KIM, Gwang Hwan LEE, Do Young KIM, Dong Myeong SHING
  • Publication number: 20240325433
    Abstract: A molecular association of bile acid or bile salt and a composition containing the molecular association are disclosed. The composition is a skin permeable deoxycholic acid formulation which is the result of developing deoxycholic acid, a lipolytic pharmacological substance, as an external preparation. The skin permeable formulation can replace an existing injection formulation, thereby remarkably improving patient compliance.
    Type: Application
    Filed: July 15, 2022
    Publication date: October 3, 2024
    Applicant: SCAI THERAPEUTICS CO., LTD.
    Inventors: Kyoung-hee KIM, Chul Hwan KIM, Ji Sung JANG
  • Publication number: 20240315947
    Abstract: A cosmetic composition containing a molecular association of bile acid and bile salt is disclosed. The cosmetic composition contains a molecular association in which bile acid molecule or bile salt molecules are physically bonded, and when the molecular association is formed in a composition containing water, the molecular association has an associated structure in the composition.
    Type: Application
    Filed: July 15, 2022
    Publication date: September 26, 2024
    Applicant: SCAI THERAPEUTICS CO., LTD.
    Inventors: Kyoung-Hee KIM, Chul Hwan KIM, Ji Sung JANG
  • Patent number: 12084605
    Abstract: An adhesive film formed of an adhesive composition including a (meth)acrylic copolymer including an alkylene glycol group and a cyclic functional group while satisfying Equation 3 and Equation 4 herein, an optical member including the same, and an optical display including the same, are provided.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: September 10, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Ho Kim, Ji Won Kang, Il Jin Kim, Sung Hyun Mun, Kyoung Gon Park, Gwang Hwan Lee, Jin Young Lee, Jae Hyun Han
  • Patent number: 12080852
    Abstract: The present invention relates to a secondary battery capable of enhancing safety and test reliability. According to one embodiment, disclosed is a secondary battery comprising: an electrode assembly in which a first electrode plate and a second electrode plate are alternately stacked; and a case for accommodating the electrode assembly, wherein the first electrode plate includes an outer electrode plate located at the outermost part of the electrode assembly, and an inner electrode plate located inside the electrode assembly, and the outer electrode plate is smaller than the inner electrode plate and the second electrode plate.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kyoung Hwan Kim, Cheoul Whan Kim
  • Publication number: 20240285652
    Abstract: The present invention relates to an amorphous nano-molecular association composed of an organic/inorganic material or a salt thereof, and more specifically, to an amorphous nano-molecular association, which is prepared by applying a shear stress to an organic/inorganic material or a salt thereof, and thus has excellent solubility and permeability to a lipid membrane.
    Type: Application
    Filed: January 26, 2024
    Publication date: August 29, 2024
    Applicant: SCAI THERAPEUTICS CO., LTD.
    Inventors: Chul Hwan KIM, Kyoung Hee KIM
  • Publication number: 20240291048
    Abstract: A lithium secondary battery includes: a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. In the negative electrode, a negative electrode active layer containing a carbon-based negative electrode active material and a coating layer containing silicon-containing particles are sequentially located on a negative electrode current collector, and a volume resistance of the negative electrode is about 6.0×10?3 ?·cm to 1.0 ?·cm.
    Type: Application
    Filed: February 8, 2024
    Publication date: August 29, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seong Kyu Lee, Kyung Hwan Jung, Byoung Hyo Jung, Suk Woo Lee, Kyoung Min Choi, Min Guk Gu, Jun Min Kim, Ho Young Na
  • Publication number: 20240285528
    Abstract: The present invention relates to a pharmacologically active ingredient-derived molecular association prepared by applying a shear stress to a solution containing a pharmacologically active ingredient.
    Type: Application
    Filed: January 24, 2024
    Publication date: August 29, 2024
    Applicant: SCAI THERAPEUTICS CO., LTD.
    Inventors: Chul Hwan KIM, Kyoung Hee KIM
  • Publication number: 20240286812
    Abstract: Provided is a biodegradable film for cigarette packaging, the film including a first film layer applied such that one surface thereof faces a cigarette product, a third film layer applied such that one surface thereof is exposed to the outside, and a second film layer positioned between the first film layer and the third film layer. In the biodegradable film, the first film layer, the second film layer and the third film layer are each formed with different compositions, and at least one of the first film layer, the second film layer and the third film layer includes a biodegradable material. The biodegradable film has a biodegradation rate of 90% or more after 60 days, and has a heat shrink ratio of 4.0% or more.
    Type: Application
    Filed: December 16, 2022
    Publication date: August 29, 2024
    Applicant: KT&G CORPORATION
    Inventors: Kyoung Hwan OH, Min Hee HWANG, Soo Ho KIM, Man Seok SEO
  • Patent number: 12069824
    Abstract: A display apparatus including display panel, a rear case to cover a rear of the display panel and the rear case including a cable fixing hole to which a cable is fixed, a connector connected to the cable and fastened to the rear case so that the cable is connected to the rear case, a cable holder to surround a part of the cable and fixed to the cable fixing hole so that the cable is fixed to the rear case, and a clamp to fix the cable holder to the cable fixing hole, wherein the clamp includes a first hook to be fixed to the cable fixing hole, and a second hook having a different shape than a shape of the first hook and to be fixed to the cable fixing hole to have a greater fixing force than a fixing force of the first hook.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki Hun Kim, Kyoung Hwan Kim, Seong Soo Kim, Won Kyu Park, Jin Park, Kyeong Jae Lee, Byeong Kyu Park