Patents by Inventor Seok Hwan Hwang

Seok 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: 20240141942
    Abstract: In order to improve fastening precision, the present disclosure provides a projection-type blind hybrid fastening apparatus for fastening a first frame part which has an upper open side and through which a first coupling hole is formed and a second frame part through which a second coupling hole is formed, the apparatus including a projection fastening part including a head portion that extends outward from an upper rim surface of the first coupling hole and an extension support portion which extends upward from an inner end of the head portion and through which a first through-hole is formed on an inner circumference thereof, a blind fastening part which extends integrally upward from the extension support portion and through which a second through-hole communicating with the first through-hole is formed on an inner circumference thereof, and a tool coupling part which extends integrally upward from the blind fastening part and through which a third through-hole communicating with the second through-hole is
    Type: Application
    Filed: December 23, 2022
    Publication date: May 2, 2024
    Inventors: Seok Hwan HWANG, Yun Sung CHUNG, Sung Man SOHN
  • Publication number: 20240141946
    Abstract: To improve fastening precision and economic feasibility, the present disclosure provides a clinching-type blind hybrid fastening apparatus inserted into and fastened to a frame part through which a first coupling hole is formed in a hollow shape and on one side of an upper surface thereof and a second coupling hole is formed on a lower surface thereof, the apparatus including a body part which is inserted into the frame part and has an outer lower surface rim seated on an upper surface rim of the second coupling hole, a blind fastening part including a rivet fastening portion that integrally extends upward from the body part and has an upper end disposed above the first coupling hole, a close contact step portion that is integrally formed at an upper portion of the rivet fastening portion, and a head portion that extends outward from an upper end of the close contact step portion, and a clinching fastening part that is integrally extending downward from the body part and has a lower end disposed below the sec
    Type: Application
    Filed: December 23, 2022
    Publication date: May 2, 2024
    Inventors: Seok Hwan HWANG, Yun Sung CHUNG, Sung Man SOHN
  • Patent number: 11963364
    Abstract: A semiconductor device is provided. The semiconductor device includes a first stacked structure including a plurality of first insulating patterns and a plurality of first semiconductor patterns alternately stacked on a substrate, the first stacked structure extending in a first direction parallel to an upper surface of the substrate, a first conductive pattern on one side surface of the first stacked structure, the first conductive pattern extending in a second direction crossing the upper surface of the substrate, and a first ferroelectric layer between the first stacked structure and the first conductive pattern, the first ferroelectric layer extending in the second direction, wherein each of the first semiconductor patterns includes a first impurity region, a first channel region and a second impurity region which are sequentially arranged along the first direction.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: April 16, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seok Han Park, Yong Seok Kim, Hui-Jung Kim, Satoru Yamada, Kyung Hwan Lee, Jae Ho Hong, Yoo Sang Hwang
  • Patent number: 11950501
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: April 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 11945744
    Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: April 2, 2024
    Assignees: SAMSUNG ENGINEERING CO., LTD., SAMSUNG ELECTRONICS CO., LTD
    Inventors: Seok Hwan Hong, Dae Soo Park, Seung Joon Chung, Yong Xun Jin, Jae Hyung Park, Jae Hoon Choi, Jae Dong Hwang, Jong Keun Yi, Su Hyoung Cho, Kyu Won Hwang, June Yurl Hur, Je Hun Kim, Ji Won Chun
  • Patent number: 11936969
    Abstract: A camera module includes: a first substrate on which an image sensor configured to convert an optical signal incident through a lens module into an electrical signal is disposed and a first connection terminal is disposed; a second substrate spaced apart from the first substrate and including a second connection terminal formed in a position facing the first connection terminal; and a terminal connector electrically connecting the first connection terminal and the second connection terminal to each other and configured to maintain a preset distance between the first substrate and the second substrate. In the camera module, the terminal connector includes: a connecting member including a first connection portion, a second connection portion, and a deformable portion; and a support member configured to maintain the preset distance between the first substrate and the second substrate.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: March 19, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Se Yeon Hwang, Hyun Sang Kwak, Yeo Ok Jeon, Joon Woo Gi, Seok Hwan Kim
  • Publication number: 20230380726
    Abstract: A lancing and blood glucose level measuring device includes a casing; a laser oscillation unit that is accommodated within the casing and configured to generate a laser beam for blood sampling; a blood glucose level measuring unit that is accommodated within the casing and configured to measure a blood glucose level; a contact unit that is formed on a part of one side of the casing and configured to irradiate the laser beam toward an irradiation target area; a blood glucose strip insertion unit which is formed on another part of one side of the casing and into which a blood glucose strip including a blood glucose sensor that transmits and receives signals to and from the blood glucose level measuring unit to measure a blood glucose level is to be inserted; and a controller configured to control the laser oscillation unit.
    Type: Application
    Filed: September 8, 2022
    Publication date: November 30, 2023
    Applicant: Lameditech CO., LTD.
    Inventors: Jong Seok CHOI, Jae Yeon CHO, Seok Hwan HWANG, Yun Ha JEON
  • Publication number: 20230120805
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 20, 2023
    Inventors: Seok-Hwan HWANG, Young-Kook KIM, Yoon-Hyun KWAK, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 11482678
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: October 25, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 11148723
    Abstract: A side sill for a vehicle includes: an inner portion facing an interior space of the vehicle; an outer portion facing an exterior space of the vehicle; and mounting hardware, which is riveted to one of the inner portion and the outer portion, wherein the inner portion and the outer portion form a unitary one-piece structure.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: October 19, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, SUNG WOO HITECH CO., LTD.
    Inventors: Hee Seouk Chung, Hyun Sik Kim, Deok Hwa Hong, Se Jin Ko, Byeong Cheon Lee, Sang Eon Park, Seok Hwan Hwang
  • Publication number: 20200406982
    Abstract: A side sill for a vehicle includes: an inner portion facing an interior space of the vehicle; an outer portion facing an exterior space of the vehicle; and mounting hardware, which is riveted to one of the inner portion and the outer portion, wherein the inner portion and the outer portion form a unitary one-piece structure.
    Type: Application
    Filed: October 15, 2019
    Publication date: December 31, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, SUNG WOO HITECH CO., LTD.
    Inventors: Hee Seouk Chung, Hyun Sik Kim, Deok Hwa Hong, Se Jin Ko, Byeong Cheon Lee, Sang Eon Park, Seok Hwan Hwang
  • Publication number: 20200152884
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 14, 2020
    Inventors: Seok-Hwan HWANG, Young-Kook KIM, Yoon-Hyun KWAK, Jong-Hyuk LEE, Kwan-Hee LEE, Min-Seung CHUN
  • Patent number: 10608189
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same, the condensed cyclic compound being represented by Formula 1 below:
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: March 31, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Jae Jeong, Young-Kook Kim, Jun-Ha Park, Eun-Young Lee, Seok-Hwan Hwang
  • Patent number: 10573821
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: February 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 10381522
    Abstract: A light emitting diode is presented, including: a first electrode; a second electrode overlapping the first electrode; an emission layer interposed between the first electrode and the second electrode; and a light efficiency improving layer positioned on at least one of the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode may include one surface facing the emission layer and the other surface opposing the one surface and including the other surface on which the light efficiency improving layer is positioned.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hyun Han, Jong Woo Kim, Young Kook Kim, Seok Hwan Hwang
  • Publication number: 20190157568
    Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Application
    Filed: January 29, 2019
    Publication date: May 23, 2019
    Inventors: Seok-Hwan HWANG, Young-Kook KIM, Yoon-Hyun KWAK, Jong-Hyuk LEE, Kwan-Hee LEE, Min-Seung CHUN
  • Patent number: 10290820
    Abstract: An amine-based compound is represented by Formula 1. Where, in Formula 1, at least one of R1, R3, R8, and R10 is a group represented by Formula 2. Where, in Formula 2, a1 is selected from 0, 1, 2 and 3. The remaining substituents of Formulae 1 and 2 are as described herein. An organic light-emitting device (OLED) includes the amine-based compound represented by Formula 1.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: May 14, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mi-Eun Jun, Sang-Hyun Han, Young-Kook Kim, Seok-Hwan Hwang, Sam-Il Kho
  • Patent number: 10256416
    Abstract: A compound is represented by Formula 1, 2, or 3, and an organic light-emitting device includes the compound. The organic light-emitting device includes a first electrode, a second electrode, and an organic layer. The organic layer includes the compound represented by Formula 1, 2 or 3. A flat display apparatus includes the organic light-emitting device.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: April 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Young Lee, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jun-Ha Park, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jong-Hyuk Lee
  • Patent number: D1025167
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: April 30, 2024
    Inventors: Han Wool Choi, Jun Hwan Park, Seok Young Youn, Hun Keon Ko, Ho Seong Kang, Hyeon Jeong An, Gyu Jong Hwang, Soo Kyoung Kang, Dong Jin Hyun, Geun Sang Yu
  • Patent number: D1025168
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: April 30, 2024
    Inventors: Han Wool Choi, Jun Hwan Park, Seok Young Youn, Hun Keon Ko, Ho Seong Kang, Hyeon Jeong An, Gyu Jong Hwang, Soo Kyoung Kang, Dong Jin Hyun, Geun Sang Yu