Patents by Inventor Hong Joo Lee

Hong Joo Lee 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: 11978602
    Abstract: A switch apparatus, includes: a base module including a base case, and a moving magnet movably mounted in the base case; and a manipulation module including a manipulation case, and a first magnet fixedly mounted in the manipulation case, wherein the moving magnet moves between a hold position and a releasable position, the hold position refers to a position in which the manipulation module is held onto the base module as an attractive force acts between the moving magnet and the first magnet, and the releasable position refers to a position in which the manipulation module is releasable from the base module as a repulsive force acts between the moving magnet and the first magnet.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: May 7, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, NOVATECH CO., LTD, ALPS ELECTRIC KOREA CO., LTD.
    Inventors: Sang Hoon Shin, Hoo Sang Lee, Jong Hyun Choi, Dae Woo Park, Youn Tak Kim, Nam I Jo, Choon Teak Oh, Hong Jun Choi, Kon Hee Chang, Woo Joo Ahn
  • Publication number: 20240085763
    Abstract: A camera module includes a carrier supported on a housing and movable in an optical axis direction, at least one frame supported on the carrier and movable, relative to the carrier, in at least one direction perpendicular to the optical axis direction, and a lens module supported on the frame. The frame is supported on the carrier such that attractive force acts in the at least one direction perpendicular to the optical axis direction.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Bo Sung SEO, Hong Joo LEE, Young Bok YOON, Jung Seok LEE
  • Publication number: 20240079860
    Abstract: One embodiment of a bogie apparatus may comprise: a horizontal frame; vertical frames respectively coupled to both ends of the horizontal frame and provided in a pair; an end bar having both end parts respectively coupled to one end of the pair of horizontal frames; and a connector assembly coupled to the end bar so as to move in at least one direction among upward, downward, left, and right directions. The connector assembly may comprise: a socket portion having a plurality of wiring terminals; a socket mounting portion having the socket portion mounted thereon, and provided in a plate shape; and a guide bushing formed so as to protrude from the socket mounting portion and away from the socket portion, and having a hollow.
    Type: Application
    Filed: November 25, 2021
    Publication date: March 7, 2024
    Inventors: Han-Joo LEE, Hong-Ik YANG
  • Patent number: 11860512
    Abstract: A camera module includes a carrier supported on a housing and movable in an optical axis direction, at least one frame supported on the carrier and movable, relative to the carrier, in at least one direction perpendicular to the optical axis direction, and a lens module supported on the frame. The frame is supported on the carrier such that attractive force acts in the at least one direction perpendicular to the optical axis direction.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: January 2, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Bo Sung Seo, Hong Joo Lee, Young Bok Yoon, Jung Seok Lee
  • Publication number: 20230191780
    Abstract: The present disclosure provides substrate processing apparatus and a substrate processing method for composing nozzles having different drop sizes into one or more pack units and performing pixel printing by using nozzles belonging to the thus composed packs. The substrate processing method includes extracting nozzles that have different drop sizes as different sized dropping nozzles, composing extracted nozzles into one or more packs, and performing pixel printing on the substrate with nozzles included in the pack by discharging a substrate treatment solution to a common target location on the substrate.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 22, 2023
    Inventors: Hong Joo LEE, Moo Hyung YI
  • Publication number: 20220347921
    Abstract: There are proposed a 3D printer optical engine and printing system capable of forming a single light engine by integrating light sources. A light engine installed under a tank accommodating a photocurable resin and configured to provide a light source for the molding of an output product to the tank includes: a light engine case detachably mounted under the tank, and having an accommodation space therein; a backlight module detachably installed in the lower portion of the accommodation space of the light engine case, and configured to provide backlight; and an image switching module detachably installed in the upper portion of the accommodation space of the light engine case while being spaced apart from the backlight module, and configured to cure the photocurable resin by radiating a light source corresponding to a tomographic image of the output product onto the tank.
    Type: Application
    Filed: September 21, 2020
    Publication date: November 3, 2022
    Applicant: RYUJIN LAB, INC.
    Inventors: Seong Jin PARK, Hong Joo LEE, Kihyung KIM
  • Patent number: 11402604
    Abstract: A camera device actuator includes: a magnet disposed on a side surface of a lens carrier disposed to be movable in an optical axis direction in an internal space of a fixed housing; a member to be detected disposed on the side surface of the lens carrier, connected to the magnet, and having a width in the optical axis direction that is less than a width of the magnet in the optical axis direction; a driving coil disposed opposite to and spaced apart from the magnet, on a panel disposed on the housing; and a sensing coil including a first sensing coil and a second sensing coil disposed on the panel, spaced apart from and opposite to the member to be detected, and arranged in-line with each other in the optical axis direction.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: August 2, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hong Joo Lee, Jung Woo Kim, Suk Young Oh, Young Bok Yoon, Dong Yeon Shin
  • Patent number: 11333898
    Abstract: A camera module device is provided. The device includes a movable body configured to accommodate a lens barrel and configured to be moved in a direction of an optical axis and in a direction perpendicular to the optical axis, a housing configured to accommodate the movable body, a first driving unit, disposed on a first surface of the movable body, and configured to generate a first driving force to move the movable body in the direction of the optical axis, a second driving unit, disposed on a second surface and a third surface of the movable body, and configured to generate driving force to move the movable body in a direction perpendicular to the optical axis, and a first sensing unit, disposed on a fourth surface of the movable body, and configured to detect a position of the lens barrel moved in a direction perpendicular to the optical axis.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: May 17, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Bong Won Jeong, Nam Ki Park, Hong Joo Lee, Young Bok Yoon, Jung Seok Lee
  • Publication number: 20220100058
    Abstract: A camera module includes: a housing; a lens module configured to move in an optical axis direction in the housing; a first magnetic member disposed in the lens module; and a second magnetic member disposed to oppose the first magnetic member in the housing. The lens module is attached to one surface of the housing by magnetic attraction force arising between the first magnetic member and the second magnetic member. The lens module is supported at three points by three ball members disposed between the lens module and the housing. The first magnetic member is disposed in the lens module such that the first magnetic member is disposed in a triangle formed by virtual lines connecting the three ball members to each other.
    Type: Application
    Filed: August 25, 2021
    Publication date: March 31, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ta Kyoung LEE, Jung Woo KIM, Kyeong Jun KIM, Ah Hyeon IM, Do Seop HWANG, Hong Joo LEE
  • Publication number: 20220103725
    Abstract: A camera module includes: a housing; a lens module configured to move in an optical axis direction in the housing; a first magnetic member disposed in the lens module; and a second magnetic member disposed to oppose the first magnetic member in the housing. The lens module is attached to one surface of the housing by magnetic attraction force arising between the first magnetic member and the second magnetic member. The lens module is supported at three points by three ball members disposed between the lens module and the housing. The first magnetic member is disposed in the lens module such that the first magnetic member is disposed in a triangle formed by virtual lines connecting the three ball members to each other.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 31, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ta Kyoung LEE, Jung Woo KIM, Kyeong Jun KIM, Ah Hyeon IM, Do Seop HWANG, Hong Joo LEE
  • Publication number: 20220072783
    Abstract: Proposed are a 3D printer and a printing system capable of selectively radiating backlight only onto an area corresponding to a single layer of an output molded object. The 3D printer includes: a resin accommodation part configured to accommodate a photocurable resin; an LCD unit configured to cure the photocurable resin by radiating light corresponding to a tomographic image onto the resin accommodation part; an LED backlight unit configured to provide backlight to the LCD unit in such a manner as to turn on the backlight in a region where the tomographic image is present and turn off the backlight in the remaining region where the tomographic image is not present in conjunction with an image signal from the LCD unit; and a control unit configured to control the light emission area of the LED backlight unit based on the image signal from the LCD unit.
    Type: Application
    Filed: December 30, 2019
    Publication date: March 10, 2022
    Applicant: RYUJIN LAB, INC.
    Inventors: Seong Jin PARK, Hong Joo LEE, Kihyung KIM
  • Patent number: 11245827
    Abstract: A camera module includes a housing, a rotation holder including a reflection member, and supported on an inner wall of the housing such that the reflection member is rotatable about a first axis, perpendicular to an optical axis and parallel to a bottom of the housing, a magnet provided on a side surface of the rotation holder, parallel to an optical axis direction, and a first position detection sensor provided in the housing to face the magnet and configured to sense movement of the rotation holder in a second axis direction, perpendicular to the optical axis and the first axis, wherein the magnet is disposed to be biased in a direction, opposite to the inner wall of the housing on which the rotation holder is supported in the optical axis direction.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: February 8, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Nam Ki Park, Young Hwan Kwon, Young Bok Yoon, Hong Joo Lee
  • Publication number: 20220029060
    Abstract: Proposed is an arrangement structure for the electrodes of a micro LED that may perform driving without any problems even when an anode and a cathode constituting parts of the electrodes of a micro LED are rotated and thus the left, right, upper and/or lower sides thereof are changed. The arrangement structure includes: a substrate having an anode and a cathode; an LED anode element fixedly attached to the substrate, and configured to form an anode among electrodes of an LED device; an LED cathode element fixedly attached to the substrate, and configured to form a cathode among the electrodes of the LED device; an anode application element configured to apply a current while connecting the LED anode element to the anode of the substrate; and a cathode application element configured to apply a current while connecting the LED cathode element to the cathode of the substrate.
    Type: Application
    Filed: November 26, 2019
    Publication date: January 27, 2022
    Applicant: RYUJIN LAB, INC.
    Inventors: Seong Jin PARK, Hong Joo LEE, Kihyung KIM
  • Patent number: 11163211
    Abstract: An actuator includes a magnet, a driving coil facing the magnet, a driver, and a position calculation processor. The driver is configured to move the magnet in at least one of an optical axis direction and a direction perpendicular to the optical axis by applying a driving signal to the driving coil. The position calculation processor includes sensing coils, and is configured to calculate a position of the magnet according to inductance levels of an inductor of the sensing coils. The inductance levels vary according to movements of the magnet.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: November 2, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hong Joo Lee, Dong Yeon Shin, Nam Ki Park, Shin Young Cheong, Byung Gi Ahn, Hoon Heo, Je Hyun Bang, Yun Tae Lee, Ick Chan Shim, Young Bok Yoon
  • Publication number: 20210333567
    Abstract: A camera module device is provided. The device includes a movable body configured to accommodate a lens barrel and configured to be moved in a direction of an optical axis and in a direction perpendicular to the optical axis, a housing configured to accommodate the movable body, a first driving unit, disposed on a first surface of the movable body, and configured to generate a first driving force to move the movable body in the direction of the optical axis, a second driving unit, disposed on a second surface and a third surface of the movable body, and configured to generate driving force to move the movable body in a direction perpendicular to the optical axis, and a first sensing unit, disposed on a fourth surface of the movable body, and configured to detect a position of the lens barrel moved in a direction perpendicular to the optical axis.
    Type: Application
    Filed: October 30, 2020
    Publication date: October 28, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Bong Won JEONG, Nam Ki PARK, Hong Joo LEE, Young Bok YOON, Jung Seok LEE
  • Patent number: 11159727
    Abstract: A reflection module for optical image stabilization includes a rotation holder, which includes a reflection member and is supported on an internal wall of a housing, and a driving part to provide driving force to move the rotation holder. The driving part includes a magnet disposed on the rotation holder, a coil disposed in the housing and opposing the magnet, and a hall sensor disposed in the housing and opposing an N pole or an S pole of the magnet.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: October 26, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hong Joo Lee, Young Bok Yoon, Nam Ki Park, Ta Kyoung Lee, Jung Woo Kim
  • Patent number: 11131901
    Abstract: A camera module includes a carrier accommodating a lens module, a housing accommodating the lens module and the carrier, a focus adjusting unit configured to move the lens module and the carrier in an optical axis direction, and a position measuring unit including a sensing yoke mounted on the carrier and a sensing coil facing the first sensing yoke. The sensing yoke includes a body unit and an extension unit extending in the optical axis direction from the body unit.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: September 28, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Woo Kim, Young Bok Yoon, Hong Joo Lee
  • Publication number: 20210199918
    Abstract: A camera module includes a housing; a lens module accommodated in the housing and configured to adjust focus or adjust focus magnification; and an optical path conversion module accommodated in the housing and configured to convert an optical path. The optical path conversion module includes a prism; a first movable body accommodating the prism; a fixed body accommodating the first movable body; a first driving unit enabling first rotational driving of the first movable body, relative to the fixed body; and a second driving unit enabling second rotational driving of the first movable body, relative to the fixed body.
    Type: Application
    Filed: November 24, 2020
    Publication date: July 1, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hong Joo LEE, Young Bok YOON, Ta Kyoung LEE
  • Publication number: 20210170672
    Abstract: The present invention relates to a three-dimensional printer. According to an embodiment of the present invention, the printer comprises a plurality of tanks, and can manufacture a shaped product by using various colors and various materials stored in the tank.
    Type: Application
    Filed: January 23, 2017
    Publication date: June 10, 2021
    Inventors: Seong Jin PARK, Hong Joo LEE, Hwan Ook JU
  • Publication number: 20210173224
    Abstract: A camera module includes a carrier supported on a housing and movable in an optical axis direction, at least one frame supported on the carrier and movable, relative to the carrier, in at least one direction perpendicular to the optical axis direction, and a lens module supported on the frame. The frame is supported on the carrier such that attractive force acts in the at least one direction perpendicular to the optical axis direction.
    Type: Application
    Filed: July 13, 2020
    Publication date: June 10, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Bo Sung SEO, Hong Joo LEE, Young Bok YOON, Jung Seok LEE