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: 11948488
    Abstract: The present disclosure relates to a data driving device, a data processing device, and a system for driving a display device and, more particularly, it relates to a data driving device, a data processing device, and a system for smoothly performing a low-speed communication through a communication line including an alternating current coupling capacitor.
    Type: Grant
    Filed: November 2, 2022
    Date of Patent: April 2, 2024
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Do Seok Kim, Yong Hwan Mun, Myung Yu Kim, Hyun Pyo Cho
  • Patent number: 11937765
    Abstract: A cleaning apparatus including a vacuum cleaner and a docking station is provided. The cleaning apparatus includes a vacuum cleaner including a dust collecting chamber in which foreign substances are collected, and a docking station configured to be connected to the dust collecting chamber to remove the foreign substances collected in the dust collecting chamber. The dust collecting chamber is configured to collect foreign substances through centrifugation, and configured to be docked to the docking station, and the docking station includes a suction device configured to suction the foreign substances and air in the dust collecting chamber docked to the docking station.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: See Hyun Kim, In Gyu Choi, Ki Hwan Kwon, Shin Kim, Hyeon Cheol Kim, Do Kyung Lee, Hyun Ju Lee, Yun Soo Jang, Seung Ryong Cha, Jung Gyun Han
  • Publication number: 20240078950
    Abstract: The present disclosure relates to a data driving device, a data processing device, and a system for driving a display device and, more particularly, it relates to a data driving device, a data processing device, and a system for smoothly performing a low-speed communication through a communication line including an alternating current coupling capacitor.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 7, 2024
    Applicant: SILICON WORKS CO., LTD.
    Inventors: Do Seok KIM, Yong Hwan MUN, Myung Yu KIM, Hyun Pyo CHO
  • Publication number: 20240080176
    Abstract: The present disclosure relates to a data driving device and a method of driving the data driving device and, more particularly, to a data driving device and a method of driving the same in which a tuning of a set value of an internal circuit is automatically performed.
    Type: Application
    Filed: April 21, 2023
    Publication date: March 7, 2024
    Applicant: SILICON WORKS CO., LTD.
    Inventors: Do Seok KIM, Yong Hwan MUN, Myung Yu KIM, Hyun Pyo CHO
  • Patent number: 11921301
    Abstract: The present embodiment relates to a dual lens drive device that comprises: a housing; a first bobbin which is disposed to move in a first direction inside the housing; a second bobbin which is disposed to move in the first direction inside housing and is spaced apart from the first bobbin; a first coil which is disposed on the first bobbin; a second coil which is disposed on the second bobbin; a magnet which is disposed in the housing and faces the first coil and the second coil; a base which is disposed below the housing; a substrate which comprises a circuit member having a third coil disposed to face the magnet between the housing and the base; and a support member which movably supports the housing with respect to the substrate, wherein the housing is integrally formed.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: March 5, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kap Jin Lee, Yong Nam Choi, Do Yoon Kim, Min Soo Kim, Jung Hwan Kim, Tae Young Kim
  • Patent number: 11921946
    Abstract: A display device that senses externally applied pressure and a change in the resonant frequency of a piezoelectric element. The display device includes a piezoelectric sensor layer including a piezoelectric sensor; and a display panel disposed on the piezoelectric sensor layer. The piezoelectric sensor includes: a piezoelectric element having a first electrode, a second electrode facing the first electrode, and a piezoelectric material disposed between the first electrode and the second electrode; an alternating current (AC) voltage generator connected to the first electrode and applies a voltage having a resonance frequency to the piezoelectric element. A sensing circuit connected to the second electrode is configured to measure a change in impedance of the piezoelectric element.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do Ik Kim, Gwang Bum Ko, Sung Hwan Kim
  • 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: 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: 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: 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: 11287015
    Abstract: Provided is a transmission for a motor including: an input shaft rotating by driving force transmitted from the motor and having a plurality of pawls disposed on the outer circumferential surface; controller for controlling protrusion and retraction of the pawls; a plurality of driving gears through the centers of which the input shaft passes, which have ratchets formed on the inner circumferential surfaces thereof so as to be engaged with the pawls, and which are different in the number of gear teeth; a plurality of driven gears which are externally meshed with the driving gears and are different in the number of gear teeth; and an output unit for outputting rotary speed changed in speed by the driving gears and the driven gears.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: March 29, 2022
    Assignees: BYGEN CO., LTD.
    Inventors: Bok Soung Kim, Do Hwan Kim, Hyung Bae Park, Joon Seo Kim, Eung Sik Suk, Young Shik Jeon, Yoo Gyun Kim, Jae Ho Hwang, Hyeong Keun Park, Dong Uk Seo, Jung Hun Kim, Young Hee Ju
  • Patent number: 11282986
    Abstract: A light emitting device according to an embodiment includes a body having a recess; a light emitting chip disposed in the recess; and 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, wherein the light emitting chip includes a wavelength range of 100 nm to 280 nm, and the first dampproof layer includes a fluororesin-based material.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: March 22, 2022
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Jae Jin Kim, Do Hwan 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