Patents by Inventor Ji-Hwan Hwang

Ji-Hwan Hwang 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: 20250022799
    Abstract: Semiconductor package and fabricating method thereof are provided. Semiconductor package comprises a buffer die including a semiconductor substrate having a first surface and a second surface, which face each other, and a passivation layer formed on the first surface, a plurality of core chips stacked on the buffer die, including a first core chip, which is disposed at a lowermost end, among the plurality of core chips, an adhesive layer between the buffer die and the first core chip, and a mold layer surrounding an upper surface of the buffer die and the plurality of core chips, wherein a plurality of recesses recessed inward from an upper surface of the passivation layer are formed on the upper surface of the passivation layer, and the plurality of recesses are formed to surround the first core chip and do not overlap the first core chip horizontally.
    Type: Application
    Filed: June 20, 2024
    Publication date: January 16, 2025
    Inventors: Yong Jin Park, Ji Hwan Hwang
  • Patent number: 12183718
    Abstract: A semiconductor package includes a package substrate, a plurality of semiconductor devices stacked on the package substrate, a plurality of underfill fillets disposed between the plurality of semiconductor devices and between the package substrate and the plurality of semiconductor devices, and a molding resin at least partially surrounding the plurality of semiconductor devices and the plurality of underfill fillets. The plurality of underfill fillets include a plurality of protrusions that protrude from spaces between each of the plurality of semiconductor devices or between the package substrate and each of the plurality of semiconductor devices. At least two neighboring underfill fillet protrusions of the plurality of protrusions form one continuous structure without an interface therebetween.
    Type: Grant
    Filed: January 10, 2024
    Date of Patent: December 31, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Hwan Hwang, Sang-Sick Park, Tae-Hong Min, Geol Nam
  • Publication number: 20240145437
    Abstract: A semiconductor package includes a package substrate, a plurality of semiconductor devices stacked on the package substrate, a plurality of underfill fillets disposed between the plurality of semiconductor devices and between the package substrate and the plurality of semiconductor devices, and a molding resin at least partially surrounding the plurality of semiconductor devices and the plurality of underfill fillets. The plurality of underfill fillets include a plurality of protrusions that protrude from spaces between each of the plurality of semiconductor devices or between the package substrate and each of the plurality of semiconductor devices. At least two neighboring underfill fillet protrusions of the plurality of protrusions form one continuous structure without an interface therebetween.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: JI-HWAN HWANG, SANG-SICK PARK, TAE-HONG MIN, GEOL NAM
  • Patent number: 11894346
    Abstract: A semiconductor package includes a package substrate, a plurality of semiconductor devices stacked on the package substrate, a plurality of underfill fillets disposed between the plurality of semiconductor devices and between the package substrate and the plurality of semiconductor devices, and a molding resin at least partially surrounding the plurality of semiconductor devices and the plurality of underfill fillets. The plurality of underfill fillets include a plurality of protrusions that protrude from spaces between each of the plurality of semiconductor devices or between the package substrate and each of the plurality of semiconductor devices. At least two neighboring underfill fillet protrusions of the plurality of protrusions form one continuous structure without an interface therebetween.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Hwan Hwang, Sang-Sick Park, Tae-Hong Min, Geol Nam
  • Patent number: 11887900
    Abstract: A semiconductor package includes a base including a first bonding structure; and a first semiconductor chip, including a second bonding structure, the second bonding structure being coupled to the first bonding structure of the base, wherein the first bonding structure includes: a test pad; a first pad being electrically connected to the test pad; and a first insulating layer, wherein the second bonding structure includes: a second pad being electrically connected to the first pad; and a second insulating layer being in contact with the first insulating layer, and wherein at least a portion of the test pad is in contact with the second insulating layer.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuek Jae Lee, Tae Hun Kim, Ji Hwan Hwang, Ji Hoon Kim, Ji Seok Hong
  • Patent number: 11887968
    Abstract: A semiconductor package includes a base structure having a base pad, a first semiconductor chip on the base structure, and having a first connection pad bonded to the base pad, a first bonding structure including an base insulation layer of a base structure and a first lower insulation layer of the first semiconductor chip bonded to the base insulation layer, a second semiconductor chip on the first semiconductor chip, and having a second connection pad connected to the first through-electrode, and a second bonding structure including a first upper insulation layer of the first semiconductor chip, and a second lower insulation layer of the second semiconductor chip bonded to the first upper insulation layer, and the first upper insulation layer has a dummy insulation portion extending onto the base structure around the first semiconductor chip.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Hwan Hwang, Ji Hoon Kim, Ji Seok Hong, Tae Hun Kim, Hyuek Jae Lee
  • Publication number: 20230207533
    Abstract: A semiconductor package includes a package substrate, a plurality of semiconductor devices stacked on the package substrate, a plurality of underfill fillets disposed between the plurality of semiconductor devices and between the package substrate and the plurality of semiconductor devices, and a molding resin at least partially surrounding the plurality of semiconductor devices and the plurality of underfill fillets. The plurality of underfill fillets include a plurality of protrusions that protrude from spaces between each of the plurality of semiconductor devices or between the package substrate and each of the plurality of semiconductor devices. At least two neighboring underfill fillet protrusions of the plurality of protrusions form one continuous structure without an interface therebetween.
    Type: Application
    Filed: March 10, 2023
    Publication date: June 29, 2023
    Inventors: JI-HWAN HWANG, SANG-SICK PARK, TAE-HONG MIN, GEOL NAM
  • Patent number: 11664352
    Abstract: A semiconductor package includes a package substrate, a plurality of semiconductor devices stacked on the package substrate, a plurality of underfill fillets disposed between the plurality of semiconductor devices and between the package substrate and the plurality of semiconductor devices, and a molding resin at least partially surrounding the plurality of semiconductor devices and the plurality of underfill fillets. The plurality of underfill fillets include a plurality of protrusions that protrude from spaces between each of the plurality of semiconductor devices or between the package substrate and each of the plurality of semiconductor devices. At least two neighboring underfill fillet protrusions of the plurality of protrusions form one continuous structure without an interface therebetween.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: May 30, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Hwan Hwang, Sang-Sick Park, Tae-Hong Min, Geol Nam
  • Patent number: 11581257
    Abstract: A semiconductor package is provided. The semiconductor package includes a lower structure including an upper insulating layer and an upper pad; and a semiconductor chip provided on the lower structure and comprising a lower insulating layer and a lower pad. The lower insulating layer is in contact with and coupled to the upper insulating layer and the lower pad is in contact with and coupled to the upper pad, and a lateral side of the semiconductor chip extends between an upper side and a lower side of the semiconductor chip and comprises a recessed portion.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuek Jae Lee, Ji Hoon Kim, Tae Hun Kim, Ji Seok Hong, Ji Hwan Hwang
  • Patent number: 11545458
    Abstract: A semiconductor package includes a first semiconductor chip including a first body portion, a first bonding layer including a first bonding insulating layer, a first redistribution portion including first redistribution layers, a first wiring insulating layer disposed between the first redistribution layers, and a second bonding layer including a second bonding insulating layer, a second redistribution portion including second redistribution layers, a second wiring insulating layer disposed between the second redistribution layers, and a second semiconductor chip disposed on the second redistribution portion. A lower surface of the first bonding insulating layer is bonded to an upper surface of the second bonding insulating layer, an upper surface of the first bonding insulating layer contacts the first body portion, a lower surface of the second bonding insulating layer contacts the second wiring insulating layer, and the first redistribution portion width is greater than the first semiconductor chip width.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun Chul Kim, Tae Hun Kim, Ji Hwan Hwang
  • Publication number: 20220028837
    Abstract: A semiconductor package includes a base structure having a base pad, a first semiconductor chip on the base structure, and having a first connection pad bonded to the base pad, a first bonding structure including an base insulation layer of a base structure and a first lower insulation layer of the first semiconductor chip bonded to the base insulation layer, a second semiconductor chip on the first semiconductor chip, and having a second connection pad connected to the first through-electrode, and a second bonding structure including a first upper insulation layer of the first semiconductor chip, and a second lower insulation layer of the second semiconductor chip bonded to the first upper insulation layer, and the first upper insulation layer has a dummy insulation portion extending onto the base structure around the first semiconductor chip.
    Type: Application
    Filed: October 5, 2021
    Publication date: January 27, 2022
    Inventors: Ji Hwan HWANG, Ji Hoon KIM, Ji Seok HONG, Tae Hun KIM, Hyuek Jae LEE
  • Publication number: 20210335680
    Abstract: A semiconductor package includes a base including a first bonding structure; and a first semiconductor chip, including a second bonding structure, the second bonding structure being coupled to the first bonding structure of the base, wherein the first bonding structure includes: a test pad; a first pad being electrically connected to the test pad; and a first insulating layer, wherein the second bonding structure includes: a second pad being electrically connected to the first pad; and a second insulating layer being in contact with the first insulating layer, and wherein at least a portion of the test pad is in contact with the second insulating layer.
    Type: Application
    Filed: July 6, 2021
    Publication date: October 28, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuek Jae LEE, Tae Hun Kim, Ji Hwan Hwang, Ji Hoon Kim, Ji Seok Hong
  • Patent number: 11145626
    Abstract: A semiconductor package includes a base structure having a base pad, a first semiconductor chip on the base structure, and having a first connection pad bonded to the base pad, a first bonding structure including an base insulation layer of a base structure and a first lower insulation layer of the first semiconductor chip bonded to the base insulation layer, a second semiconductor chip on the first semiconductor chip, and having a second connection pad connected to the first through-electrode, and a second bonding structure including a first upper insulation layer of the first semiconductor chip, and a second lower insulation layer of the second semiconductor chip bonded to the first upper insulation layer, and the first upper insulation layer has a dummy insulation portion extending onto the base structure around the first semiconductor chip.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: October 12, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji Hwan Hwang, Ji Hoon Kim, Ji Seok Hong, Tae Hun Kim, Hyuek Jae Lee
  • Publication number: 20210296228
    Abstract: A semiconductor package is provided. The semiconductor package includes a lower structure including an upper insulating layer and an upper pad; and a semiconductor chip provided on the lower structure and comprising a lower insulating layer and a lower pad. The lower insulating layer is in contact with and coupled to the upper insulating layer and the lower pad is in contact with and coupled to the upper pad, and a lateral side of the semiconductor chip extends between an upper side and a lower side of the semiconductor chip and comprises a recessed portion.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuek Jae Lee, Ji Hoon Kim, Tae Hun Kim, Ji Seok Hong, Ji Hwan Hwang
  • Publication number: 20210280564
    Abstract: A semiconductor package includes a package substrate, a plurality of semiconductor devices stacked on the package substrate, a plurality of underfill fillets disposed between the plurality of semiconductor devices and between the package substrate and the plurality of semiconductor devices, and a molding resin at least partially surrounding the plurality of semiconductor devices and the plurality of underfill fillets. The plurality of underfill fillets include a plurality of protrusions that protrude from spaces between each of the plurality of semiconductor devices or between the package substrate and each of the plurality of semiconductor devices. At least two neighboring underfill fillet protrusions of the plurality of protrusions form one continuous structure without an interface therebetween.
    Type: Application
    Filed: May 24, 2021
    Publication date: September 9, 2021
    Inventors: JI-HWAN HWANG, SANG-SICK PARK, TAE-HONG MIN, GEOL NAM
  • Patent number: 11088038
    Abstract: A semiconductor package includes a base including a first bonding structure; and a first semiconductor chip, including a second bonding structure, the second bonding structure being coupled to the first bonding structure of the base, wherein the first bonding structure includes: a test pad; a first pad being electrically connected to the test pad; and a first insulating layer, wherein the second bonding structure includes: a second pad being electrically connected to the first pad; and a second insulating layer being in contact with the first insulating layer, and wherein at least a portion of the test pad is in contact with the second insulating layer.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: August 10, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuek Jae Lee, Tae Hun Kim, Ji Hwan Hwang, Ji Hoon Kim, Ji Seok Hong
  • Publication number: 20210225796
    Abstract: A semiconductor package includes a first semiconductor chip including a first body portion, a first bonding layer including a first bonding insulating layer, a first redistribution portion including first redistribution layers, a first wiring insulating layer disposed between the first redistribution layers, and a second bonding layer including a second bonding insulating layer, a second redistribution portion including second redistribution layers, a second wiring insulating layer disposed between the second redistribution layers, and a second semiconductor chip disposed on the second redistribution portion. A lower surface of the first bonding insulating layer is bonded to an upper surface of the second bonding insulating layer, an upper surface of the first bonding insulating layer contacts the first body portion, a lower surface of the second bonding insulating layer contacts the second wiring insulating layer, and the first redistribution portion width is greater than the first semiconductor chip width.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun Chul KIM, Tae Hun KIM, Ji Hwan HWANG
  • Patent number: 11056432
    Abstract: A semiconductor package is provided. The semiconductor package includes a lower structure including an upper insulating layer and an upper pad; and a semiconductor chip provided on the lower structure and comprising a lower insulating layer and a lower pad. The lower insulating layer is in contact with and coupled to the upper insulating layer and the lower pad is in contact with and coupled to the upper pad, and a lateral side of the semiconductor chip extends between an upper side and a lower side of the semiconductor chip and comprises a recessed portion.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: July 6, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuek Jae Lee, Ji Hoon Kim, Tae Hun Kim, Ji Seok Hong, Ji Hwan Hwang
  • Publication number: 20210177026
    Abstract: Disclosed is an enzyme composition for regulating sugar metabolism which can regulate the absorption of glucose into the body by converting the carbohydrates in food to a form of sugar that is not absorbed in the stomach and the like before being decomposed in the small intestine into glucose by the activity of various enzymes such as maltase, sucrase, or lactase and the like and absorbed, wherein the enzyme composition includes: one or more enzymes selected from the group consisting of glucoamylase, sucrase and lactase; glucose oxidase; and transglucosidase.
    Type: Application
    Filed: October 11, 2018
    Publication date: June 17, 2021
    Applicants: UNIVERSITY INDUSTRY FOUNDATION, YONSEI UNIVERSITY
    Inventors: Ji Hwan HWANG, Eun Jig LEE, Cheol Ryong KU
  • Patent number: 11018115
    Abstract: A semiconductor package includes a package substrate, a plurality of semiconductor devices stacked on the package substrate, a plurality of underfill fillets disposed between the plurality of semiconductor devices and between the package substrate and the plurality of semiconductor devices, and a molding resin at least partially surrounding the plurality of semiconductor devices and the plurality of underfill fillets. The plurality of underfill fillets include a plurality of protrusions that protrude from spaces between each of the plurality of semiconductor devices or between the package substrate and each of the plurality of semiconductor devices. At least two neighboring underfill fillet protrusions of the plurality of protrusions form one continuous structure without an interface therebetween.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-Hwan Hwang, Sang-Sick Park, Tae-Hong Min, Geol Nam