Patents by Inventor Do-hwan Kim

Do-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).

  • Patent number: 12276811
    Abstract: A sensor shifting actuator includes a fixed body; a moving body disposed in the fixed body and including an image sensor having an imaging surface; a supporting substrate disposed in the fixed body and configured to support the moving body so that the moving body is movable with respect to the fixed body in first and second directions parallel to the imaging surface of the image sensor; and a driver configured to move the moving body in either one or both of the first and second directions. The supporting substrate includes a movable portion coupled to the moving body, a fixed portion coupled to the fixed body, and a connection portion disposed between the movable portion and the fixed portion. The movable portion and the connection portion are movable together in the first direction, and the movable portion is movable with respect to the connection portion in the second direction.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: April 15, 2025
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Ho Kim, Jung Hyun Park, Dong Hoon Lee, Sang Hyun Ji, Do Hwan Kim, Nam Keun Oh
  • Publication number: 20250035270
    Abstract: Disclosed are a self-generating pressure-sensitive light-emitting device and a method of manufacturing the same. The self-generating pressure-sensitive light-emitting device includes an electrochemical light-emitting device in which a first electrode, a light-emitting layer and a second electrode are sequentially formed; and a triboelectric self-generating device formed on the second electrode and configured to share the second electrode of the electrochemical light-emitting device, wherein the electrochemical light-emitting device and the triboelectric self-generating device share the second electrode and thus the electrochemical light-emitting device is driven due to a potential difference generated from the triboelectric self-generating device.
    Type: Application
    Filed: August 31, 2022
    Publication date: January 30, 2025
    Inventors: Do Hwan KIM, Joo Sung KIM, Han Bin CHOI, Chi Hoon IN, Sang Jun PARK
  • Patent number: 12095389
    Abstract: The present invention relates to an triboelectric nanogenerator using an ionic elastomer that increases internal electric capacity and allows a large amount of electric charge to be located on a surface to generate a large amount of electrical energy. The triboelectric nanogenerator according to the present invention includes a first electrode; an ionic elastomer disposed on the first electrode and including an elastomer and an ionic liquid; a second electrode disposed to be spaced apart from the first electrode and electrically connected to the first electrode; and an insulator disposed under the second electrode, selectively contacting the ionic elastomer, and formed of a material that has a negative charge compared to the ionic elastomer.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: September 17, 2024
    Assignees: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, IUCF-HYU (INDUSTRY-UNIVERISTY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Duk Hyun Choi, Do Hwan Kim, Hee Jae Hwang, Joo Sung Kim, Eun Song Jee
  • Publication number: 20240274458
    Abstract: The chuck for supporting a target substrate for a display device, the chuck includes: a base having a first surface to support an object and a second surface opposite the first surface, the first surface including a first area and a second area; and indentations formed in the second area and recessed from the first area in a thickness direction of the base. The indentations include a first indentation extending in a first direction and a second indentation extending in a second direction intersecting the first direction.
    Type: Application
    Filed: April 24, 2024
    Publication date: August 15, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hee Sun JANG, Tae Hun KIM, Do Hwan KIM, Jae Han KIM, Seung Ho MYOUNG, Dae Young OH, Gyeong Hee HAN
  • Publication number: 20240238586
    Abstract: Disclosed are a nerve stimulator electrode and a method of manufacturing the same. More particularly, the present invention provides a nerve stimulator electrode including biocompatible solid electrolyte; and an ion diffusion barrier formed on the biocompatible solid electrolyte, wherein the biocompatible solid electrolyte includes an ionic liquid and a biocompatible polymer matrix.
    Type: Application
    Filed: May 24, 2022
    Publication date: July 18, 2024
    Applicants: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Do Hwan KIM, Steve PARK, Joo Sung KIM, Jun Jae PARK, Yun Ah KIM, Hyuk Min KWEON
  • Patent number: 12013295
    Abstract: A composite including an ionic liquid, a pressure sensor including the same, and a method of manufacturing the pressure sensor are provided. The composite comprises an elastic polymer matrix, particles dispersed in the elastic polymer matrix, and an ionic liquid having a cation and an anion. The cation and the anion are bound by an intermolecular interaction on the surface of the particle to form an ionic double layer.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: June 18, 2024
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Do Hwan Kim, Joo Sung Kim, Vipin Amoli
  • Patent number: 11990361
    Abstract: The chuck for supporting a target substrate for a display device, the chuck includes: a base having a first surface to support an object and a second surface opposite the first surface, the first surface including a first area and a second area; and indentations formed in the second area and recessed from the first area in a thickness direction of the base. The indentations include a first indentation extending in a first direction and a second indentation extending in a second direction intersecting the first direction.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Sun Jang, Tae Hun Kim, Do Hwan Kim, Jae Han Kim, Seung Ho Myoung, Dae Young Oh, Gyeong Hee Han
  • Publication number: 20240155212
    Abstract: A camera module includes: a first body including a substrate; an image sensor mounted on the substrate; a second body including a lens module; a ball bearing disposed between the first body and the second body to enable movement of the second body relative to the first body; and a driving member disposed between the first body and the second body to provide driving force to move the second body in at least one direction intersecting an optical axis.
    Type: Application
    Filed: May 16, 2023
    Publication date: May 9, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Do Hwan KIM, Ju Ho KIM, Sang Hyun JI, Jung Hyun PARK, Nam Keun OH, Doo Seub SHIN, Dong Hoon LEE, Jong Eun PARK, Sangik CHO
  • Publication number: 20240061335
    Abstract: The present disclosure relates to a crosslinkable compound, a composition containing the same for formation of a solid electrolyte, a method of preparing a solid electrolyte by using the composition, a solid electrolyte, and an electronic element including the solid electrolyte.
    Type: Application
    Filed: February 3, 2022
    Publication date: February 22, 2024
    Applicants: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Bong Soo KIM, Wanho CHO, Do Hwan KIM, Hyukmin KWEON, Chaeyoung LEE, Sangjun PARK
  • Publication number: 20230224588
    Abstract: A sensor actuator is provided. The sensor actuator includes a movable body on which an image sensor having an imaging plane is disposed; a fixed body configured to accommodate the movable body; and a driver configured to provide a driving force to move the image sensor, wherein the driver includes a wire portion having a plurality of wires of which lengths change when power is applied to the plurality of wires, wherein each of the plurality of wires is configured to have a first end coupled to the fixed body and a second end coupled to the movable body, and wherein one of the first end and the second end of each of the plurality of wires is connected to the fixed body or the movable body through an elastic portion.
    Type: Application
    Filed: December 20, 2022
    Publication date: July 13, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ju Ho KIM, Sang Hyun JI, Jung Hyun PARK, Doo Seub SHIN, Dong Hoon LEE, Do Hwan KIM
  • Publication number: 20230221574
    Abstract: A sensor shifting actuator includes a fixed body; a moving body disposed in the fixed body and including an image sensor having an imaging surface; a supporting substrate disposed in the fixed body and configured to support the moving body so that the moving body is movable with respect to the fixed body in first and second directions parallel to the imaging surface of the image sensor; and a driver configured to move the moving body in either one or both of the first and second directions. The supporting substrate includes a movable portion coupled to the moving body, a fixed portion coupled to the fixed body, and a connection portion disposed between the movable portion and the fixed portion. The movable portion and the connection portion are movable together in the first direction, and the movable portion is movable with respect to the connection portion in the second direction.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 13, 2023
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Ho KIM, Jung Hyun PARK, Dong Hoon LEE, Sang Hyun JI, Do Hwan KIM, Nam Keun OH
  • Publication number: 20230209200
    Abstract: A camera module includes a fixed frame having an internal space, a movable frame installed in the internal space of the fixed frame to be movable, with at least one optical member mounted thereon, and a driving wire including a wire member formed of a shape-memory alloy, and two coupling members coupled to the wire member and formed in a wedge shape, wherein the fixed frame includes a first wire coupling portion disposed to protrude toward the movable frame, and the movable frame includes a second wire coupling portion disposed to protrude toward the fixed frame, and the two coupling members of the driving wire are inserted into the first wire coupling portion and the second wire coupling portion, respectively, to connect the movable frame and the fixed frame to each other.
    Type: Application
    Filed: December 1, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Hyun PARK, Ju Ho KIM, Sang Hyun JI, Nam Keun OH, Doo Seub SHIN, Do Hwan KIM, Dong Hoon LEE
  • Patent number: 11688831
    Abstract: A light emitting device including a body having a recess; a light emitting chip disposed in the recess; a first dampproof layer sealing the light emitting chip and extended from a surface of the light emitting chip to a bottom of the recess; a light transmitting layer disposed on the recess; and a second dampproof layer having an open area in which an upper surface of the light transmitting layer is exposed and extended from an outer side area of the upper surface of the light transmitting layer to an upper surface and a side surface of the body. Further, the first dampproof layer and the second dampproof layer include a fluororesin-based material.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: June 27, 2023
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Jae Jin Kim, Do Hwan Kim
  • Patent number: 11575845
    Abstract: An infrared image sensor includes a first integrate circuit (IC), a bolometer disposed on or above one surface of the first IC configured to detect infrared rays passing through a lens module, a via electrically connecting the first IC and the bolometer, and a reflective layer disposed between the first IC and the bolometer, wherein the first IC includes at least one of a read-out (RO) element configured to perform analog processing for the bolometer to generate infrared sensing information and an image signal process (ISP) element configured to perform digital processing based on the bolometer to generate infrared image information, and at least one of an autofocusing (AF) control element and an optical image stabilization (OIS) control element configured to adjust a positional relationship between the lens module and the bolometer.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: February 7, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Eui Park, Do Hwan Kim, Seo Hyung Kim
  • Publication number: 20220353442
    Abstract: A time-of-flight (TOF) camera device including an optical transmitter configured to transmit light to a subject, an optical receiver configured to receive light reflected from the subject, and an actuator configured to adjust either one or both of an optical scanning direction and field of luminance (FOL) of the optical transmitter.
    Type: Application
    Filed: February 24, 2022
    Publication date: November 3, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dong Hoon LEE, Do Hwan KIM, Sang Hyun JI, Jung Hyun PARK, Byung Gi AN
  • Publication number: 20220236566
    Abstract: A wearable device includes: a lens; a frame including a rim surrounding the lens and a temple extending from the rim; a reflection member altering a path of light incident from a side in front of the lens toward the lens; an image sensor collecting light reflected from the reflection member; and at least one camera lens disposed on a path of the light collected by the image sensor.
    Type: Application
    Filed: December 23, 2021
    Publication date: July 28, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Do Hwan KIM, Dong Hoon LEE, Sang Hyun JI, Jung Hyun PARK, Jae Youn PARK, Byung Gi AN
  • Publication number: 20220164640
    Abstract: Disclosed is a synaptic mechanotransistor. More particularly, the present invention provides a synaptic mechanotransistor that includes an ionic active layer configured to form a channel according to migration of ions, and thus, is capable of implementing a series of steps of a mechanical stimulus, change in resistance of a sensor device, conversion into an electrical pulse signal and securement of synaptic characteristics in a single device.
    Type: Application
    Filed: April 22, 2020
    Publication date: May 26, 2022
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Do Hwan KIM, Yoon Sun CHUNG, Joo Sung KIM, Hyuk Min KWEON
  • Publication number: 20220158041
    Abstract: A light emitting device including a body having a recess; a light emitting chip disposed in the recess; a first dampproof layer sealing the light emitting chip and extended from a surface of the light emitting chip to a bottom of the recess; a light transmitting layer disposed on the recess; and a second dampproof layer having an open area in which an upper surface of the light transmitting layer is exposed and extended from an outer side area of the upper surface of the light transmitting layer to an upper surface and a side surface of the body. Further, the first dampproof layer and the second dampproof layer include a fluororesin-based material.
    Type: Application
    Filed: February 1, 2022
    Publication date: May 19, 2022
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Jae Jin KIM, Do Hwan KIM
  • Publication number: 20220132051
    Abstract: An infrared image sensor includes a first integrate circuit (IC), a bolometer disposed on or above one surface of the first IC configured to detect infrared rays passing through a lens module, a via electrically connecting the first IC and the bolometer, and a reflective layer disposed between the first IC and the bolometer, wherein the first IC includes at least one of a read-out (RO) element configured to perform analog processing for the bolometer to generate infrared sensing information and an image signal process (ISP) element configured to perform digital processing based on the bolometer to generate infrared image information, and at least one of an autofocusing (AF) control element and an optical image stabilization (OIS) control element configured to adjust a positional relationship between the lens module and the bolometer.
    Type: Application
    Filed: June 8, 2021
    Publication date: April 28, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Eui PARK, Do Hwan KIM, Seo Hyung KIM
  • Patent number: D971509
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: November 29, 2022
    Assignee: CollaboSpace Inc.
    Inventors: Seung Woo Hong, Do Hwan Kim, Hyun Jae Kwak