Patents by Inventor Chang Hoon An

Chang Hoon An 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: 20240072258
    Abstract: A positive electrode active material for use in a positive electrode of a lithium-sulfur battery is provided. The positive electrode active material includes a) particles A having a first porous carbon material, at least part of which is crystalline, and catalyst particles deposited on the first porous carbon material; and b) particles B having a second porous carbon material, at least part of which is crystalline, and sulfur infiltrated into the second porous carbon material, wherein the particles A and the particles B have different morphologies.
    Type: Application
    Filed: June 22, 2023
    Publication date: February 29, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yo-Chan Jeong, Chang-Hoon Lee, Seung-Bo Yang
  • Publication number: 20240066570
    Abstract: A cassette for ultra-thin glass includes a pair of plates spaced apart from and facing each other, and a plurality of supports mounted between the pair of plates and including a plurality of mounting grooves that support sides of sheets of ultra-thin glass. Each of the plurality of mounting grooves includes an inclined portion inclined toward a middle of each of the plurality of mounting grooves, and a straight portion extending from the inclined portion and having a constant width in an axial direction of the plurality of supports. A height of the straight portion in a radial direction of the plurality of supports is equal to or greater than a height of the inclined portion in the radial direction.
    Type: Application
    Filed: May 5, 2023
    Publication date: February 29, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jung Hoon OH, Ki Taek KIM, Chang Min LEE
  • Patent number: 11912804
    Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: February 27, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kwang Jin Lee, Yoon Ho Kim, Sang Il Nam, Kyung Bok Sun, Chang No Lee, Sang Hoon Han
  • Patent number: 11914427
    Abstract: A cradle device for a computer according to an embodiment includes: a cradle part configured such that the inlet part is seated thereon and holes through which air flows are formed therein; a filter part configured to filter out foreign substances generated according to the flow of air; and a filter housing part configured such that the filter part is coupled to a top surface thereof, and fixedly coupled below the holes of the cradle part. The filter part includes a first filter part made of a mesh material, and filters out foreign substances through the first filter part before air is introduced into the inlet part.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: February 27, 2024
    Assignee: Spigen Korea Co., Ltd.
    Inventors: Chang Hoon Hyun, Jae Hong Cho
  • Publication number: 20240055582
    Abstract: Disclosed are a positive electrode additive material for a lithium secondary battery having an enhancement in atmospheric stability, a method for preparing the same, and a positive electrode for a lithium secondary battery including the same. The positive electrode material includes an core including a lithium component, and a coating layer formed on a surface of the core and including a compound having a formula of LiM?O3 wherein M? is Ta or Nb.
    Type: Application
    Filed: April 20, 2023
    Publication date: February 15, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Chang Hoon Song, Yoon Sung Lee, Sung Ho Ban, Sang Hun Lee, Yong Hoon Kim, Ko Eun Kim, Da Bin Jang, Ha Eun Lee, Hui Beom Nam, Jun Ki Rhee, Seung Min Oh, Sung Min Park, Hyo Bin Lee, Tae Hee Kim, Min Sik Park
  • Publication number: 20240043667
    Abstract: A polyolefin composition is provided comprising: (A) about 60 to about 96 wt % of at least one recycled polyolefin; B) about 2 to about 20 wt % of at least one random alpha-olefinic copolymer; C) at least one tackifier; D) about 1 to about 60 wt % of at least one additional polymer; and wherein the polyolefin composition has a weight ratio of random alpha-olefinic copolymer to tackifier of between about 0.2 to about 5.0; and wherein the polyolefin composition has a melt flow rate increase of about 5 to about 400% compared to the same polyolefin, composition without the random alpha-olefinic copolymer, the tackifier, and the additional polymer. Processes for making and articles produced from the polyolefin compositions are also provided.
    Type: Application
    Filed: December 16, 2021
    Publication date: February 8, 2024
    Inventors: Synco DE VOGEL, Robbie Rene MEUL, Jason AYOUB, Chang Hoon SONG, Terri Roxanne CARVAGNO
  • Patent number: 11894506
    Abstract: A display apparatus is provided. The display apparatus includes a pad spaced away from an encapsulating element. The pad can have a stacked structure of a pad electrode layer and a pad cover layer. A side surface of the pad electrode layer can be covered by the pad cover layer. Thus, in the display apparatus, damage of the pad electrode layer due to a subsequent process can be prevented and as such, the reliability of an external signal transmitted through the pad can be improved.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: February 6, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sun-Mi Lee, Chang-Hoon Oh
  • Publication number: 20240036116
    Abstract: An apparatus for diagnosing a state of a battery includes a profile generating unit configured to generate a differential profile representing a corresponding relationship between a differential voltage representing a change rate of a voltage of a battery to a SOC of the battery and the SOC; and a control unit configured to calculate a curvature corresponding to a preset SOC region in the differential profile, compare the calculated curvature with a preset criterion curvature for the battery, and judge whether lithium is precipitated in the battery based on the comparison result.
    Type: Application
    Filed: May 20, 2022
    Publication date: February 1, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventor: Chang-Hoon Kim
  • Patent number: 11889376
    Abstract: The present invention relates to a method and an apparatus for determining a location of a device using multiple antenna switching.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: January 30, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Chang Hoon Yoo
  • Publication number: 20240026133
    Abstract: A process for producing a polyolefin composition is provided comprising melt blending: A) about 60 to about 96 wt % of at least one recycled polyolefin; B) about 2 to about 20 wt % of at least one random alpha-olefinic copolymer; and C) about 2 to about 20 wt % of at least one tackifier; and D) optionally, at least one additional polymer; wherein the polyolefin composition has a weight ratio of random alpha-olefinic copolymer to tackifier of between about 0.2 to about 5.0; and wherein the polyolefin composition has a melt flow rate increase of about 5 to about 400% compared to the same polyolefin composition without the random alpha-olefinic copolymer, the tackifier, and the optional additional polymer.
    Type: Application
    Filed: December 16, 2021
    Publication date: January 25, 2024
    Inventors: Robbie Rene MEUL, Synco DE VOGEL, Chang Hoon SONG
  • Publication number: 20240028081
    Abstract: A cradle device for a computer according to an embodiment includes: a cradle part configured such that the inlet part is seated thereon and holes through which air flows are formed therein; a filter part configured to filter out foreign substances generated according to the flow of air; and a filter housing part configured such that the filter part is coupled to a top surface thereof, and fixedly coupled below the holes of the cradle part. The filter part includes a first filter part made of a mesh material, and filters out foreign substances through the first filter part before air is introduced into the inlet part.
    Type: Application
    Filed: February 15, 2023
    Publication date: January 25, 2024
    Inventors: Chang Hoon HYUN, Jae Hong CHO
  • Publication number: 20240026132
    Abstract: A polyolefin composition is provided comprising: A) about 60 to about 96 wt % of at least one recycled polyolefin; B) about 2 to about 20 wt % of at least one random alpha-olefinic copolymer; and C) about 2 to about 20 wt % of at least one tackifier; wherein the polyolefin composition has a weight ratio of random alpha-olefinic copolymer to tackifier of between about 0.2 to about 5.0; and wherein the polyolefin composition has a melt flow rate increase of about 5 to about 400% compared to the same polyolefin composition without the random alpha-olefinic copolymer and the tackifier. Processes for making and articles produced from the polyolefin compositions are also provided.
    Type: Application
    Filed: December 16, 2021
    Publication date: January 25, 2024
    Inventors: Robbie Rene MEUL, Synco DE VOGEL, Chang Hoon SONG, Terri Roxanne CARVAGNO
  • Publication number: 20240018119
    Abstract: Disclosed are a carboxamide derivative and a pharmaceutical composition comprising same as an active ingredient for use in preventing or treating mental illness. The derivative is superbly effective in a triple reuptake inhibitor of serotonin, norepinephrine, and dopamine, and thus can be effectively used in treating mental illness.
    Type: Application
    Filed: April 5, 2021
    Publication date: January 18, 2024
    Inventors: Minsoo Song, Chun Young Im, Ga Young Park, Eun Bi Ko, Jihee Kang, Seri Bae, Soong-Hyun Kim, Yoojin Park, Eunhye Lee, Yujeong Choi, Eunju Cha, Chang Hoon Seo, Chan Young Shin, Kyoung Ja Kwon, Darine Froy Mabunga, Donghyun Park, Hee Jong Hwang, Ryeong Eun Kim, Suresh Paudel, Se Jin Jeon, Kyu Suk Cho
  • Patent number: 11855204
    Abstract: Provided is a memory device. The memory device includes: a substrate; a gate insulating film disposed on the substrate; a ferroelectric thin film disposed on the gate insulating film; a blocking film disposed on the ferroelectric thin film; and a gate pattern disposed on the blocking film, wherein the ferroelectric thin film includes a spacer having a fixed polarization regardless of an electric field that is applied from an outside, and a ferroelectric domain having a polarization controlled by the electric field that is applied from the outside, and a plurality of spacers and a plurality of ferroelectric domains are alternately and repeatedly provided in a direction parallel to a top surface of the substrate (in a b-lattice direction).
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: December 26, 2023
    Assignee: UNIST (Ulsan National Institute of Science and Technology)
    Inventors: Jun Hee Lee, Hyun Jae Lee, Chang Hoon Kim
  • Publication number: 20230413453
    Abstract: A circuit board including a contact terminal on a side thereof, a method of fabricating the circuit board, and an electronic device including the circuit board are provided. The circuit board includes: a base layer; a wiring layer formed on the base layer; and a terminal section formed at a level corresponding to the wiring layer, on a first surface and a side surface of one end portion of the base layer.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 21, 2023
    Applicant: STEMCO CO., LTD.
    Inventors: Sung Jin LEE, Kang Dong KIM, Chang Hoon HAN, Chul Ho YOON, Ho Byung KIM, Hyun Woo KIM, Gun Woo SHIN
  • Patent number: D1004584
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: November 14, 2023
    Assignee: SPIGEN KOREA CO., LTD.
    Inventor: Chang Hoon Hyun
  • Patent number: D1006816
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: December 5, 2023
    Assignee: SPIGEN KOREA CO., LTD.
    Inventors: Chang Hoon Hyun, Jae Hong Cho, Dae Young Kim
  • Patent number: D1007513
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: December 12, 2023
    Assignee: SPIGEN KOREA CO., LTD.
    Inventors: Chang Hoon Hyun, Jae Hong Cho
  • Patent number: D1013693
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: February 6, 2024
    Assignee: SPIGEN KOREA CO., LTD.
    Inventor: Chang Hoon Hyun
  • Patent number: D1016073
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: February 27, 2024
    Assignee: SPIGEN KOREA CO., LTD.
    Inventor: Chang Hoon Hyun