Patents by Inventor Youngchul Lee

Youngchul 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: 11937764
    Abstract: Provided is a cleaning device including a vacuum cleaner including a dust collector into which dirt and dust is collected, a docking station connected to the dust collector and having a long axis extending in a first direction, and the docking station includes a docking part coupled to the dust collector to remove dirt and dust collected in the dust collector, a sucking device sucking up the dirt and dust and inside air in the dust collector docked with the docking part through the docking part, and a circulation duct arranged for the air sucked up by the sucking device to be circulated to the docking part.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seehyun Kim, Youngchul Ko, Higon Koo, Kisup Lee, Hyunho Lee, Seungryong Cha, Seungwoo Choi, Kihwan Kwon, Hyeoncheol Kim, Hwagyu Song, Sungcheol Lee, Hyunju Lee, Ingyu Choi
  • Publication number: 20240091785
    Abstract: A food waste disposer including a housing; a grinding device inside the housing to grind food waste; an exhaust fan inside the housing to form an air flow; an exhaust pipe connected to the exhaust fan to form an exhaust flow path along which air from the grinding device flows via the air flow formed by the exhaust fan; a filter assembly to adsorb contaminants from the air flowing along the exhaust flow path; a branch pipe branching from the exhaust pipe between the grinding device and the exhaust fan to form a connection flow path communicating with the exhaust flow path; and a sterilization device connected to the branch pipe to selectively open and close the connection flow path, and, with the connection flow path being open, generate and supply plasma to the exhaust pipe through the connection flow path via an intake airflow formed by the exhaust fan.
    Type: Application
    Filed: August 24, 2023
    Publication date: March 21, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hongkwan CHO, Youngchul KO, Dohyun KIM, Jaewan HONG, Donghyo KIM, Kisup LEE
  • Patent number: 11902639
    Abstract: According to certain embodiments of the disclosure, an electronic device may include a housing, a window frame disposed in the housing and providing at least one opening exposing an inside of the housing to an outside of the housing, at least one window coupled to the window frame to close the at least one opening, and at least one optical module disposed inside the housing and configured to receive external light incident through the at least one window. The at least one window may include an inner surface facing the inside of the housing, a side surface facing an inner wall of the at least one opening, and a first inclined surface connecting the side surface to the inner surface. The first inclined surface may be inclined with respect to the inner surface and the side surface and may be bonded to the inner wall. Other various embodiments are possible as well.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moohyun Baek, Youngchul Lee
  • Patent number: 11807932
    Abstract: A method for manufacturing a mask includes providing, on a stage, a mask frame in which a plurality of cell openings is defined; providing each of the cell openings with a cell mask material in which a second area and a plurality of first areas are defined, where the second area is disposed around each of the first areas; emitting a laser beam to the second area to harden the second area; and removing the first areas, thereby forming a plurality of cell masks disposed in the cell openings, respectively.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junho Jo, Youngho Park, Seungyong Song, Youngchul Lee, Youngsuck Choi
  • Patent number: 11805633
    Abstract: According to various embodiments, provided is an electrical element transfer apparatus comprising: a fixing jig in which each of a plurality of electrical elements is arranged at a predetermined interval; a movement jig movably arranged at an upper part of the fixing jig, and including a plurality of first accommodating grooves for accommodating at least a part of each of the plurality of electrical elements; and an attraction device arranged around the movable jig and attaching each of the plurality of electrical elements through the movable jig to the first accommodating groove of the movable jig through magnetic force. Additional various embodiments are possible.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: October 31, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-Tae Jang, Min Park, Byung Hoon Lee, Youngchul Lee, Changjoon Lee, Jiyoung Jang, Youngjun Moon, Minyoung Park, Jeonggen Yoon, Won Choi, Siho Jang
  • Patent number: 11776972
    Abstract: An apparatus and a method for manufacturing a mask assembly and a method of manufacturing a display device are provided. The apparatus may include: a tensioning part configured to be spaced apart from a mask frame comprising at least one opening, the tensioning part configured to tension a mask sheet in at least one of a first direction and a second direction, the mask sheet comprising a cell area corresponding to the at least one opening, and a dummy portion arranged outside the cell area; a pressing part configured to correspond to the dummy portion and press the dummy portion in a third direction intersecting a plane in which the first direction and the second direction extend; and a header configured to irradiate a laser beam toward the mask sheet to fix the mask sheet to the mask frame.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junho Jo, Seungwon Kim, Youngho Park, Youngchul Lee
  • Patent number: 11658162
    Abstract: The disclosure describes a micro Light Emitting Diode (LED) display. The display may include a Printed Circuit Board (PCB) including a plurality of solder pads, a micro LED package including a plurality of micro LED chips, and a plurality of solder electrodes which bond the micro LED chips onto the solder pads of the PCB. The micro LED package may be re-arranged in an Red Green Blue (RGB) state on a temporary fixing film by using a pickup device in accordance with a display pixel configuration, after the micro LED chips are attached to a carrier film.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 23, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngchul Lee, Taesang Park, Kyoree Lee, Tackmo Lee, Gyun Heo, Youngjun Moon, Won Choi
  • Patent number: 11619885
    Abstract: A mask chuck may include a base plate including a central region and an edge region surrounding the central region, a head part including a first surface connected to the edge region of the base plate and configured to move on the edge region to be close to the central region or away from the central region, and a pad part disposed on a second surface of the head part opposite to the first surface of the head part. The edge region may include a first edge region extending in a first direction, a second edge region extending in the first direction and spaced apart from the first edge region in a second direction crossing the first direction, a third edge region extending in the second direction, and a fourth edge region extending in the second direction and spaced apart from the third edge region in the first direction.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: April 4, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junho Jo, Youngho Park, Seungyong Song, Youngchul Lee, Youngsuck Choi
  • Publication number: 20220394157
    Abstract: According to certain embodiments of the disclosure, an electronic device may include a housing, a window frame disposed in the housing and providing at least one opening exposing an inside of the housing to an outside of the housing, at least one window coupled to the window frame to close the at least one opening, and at least one optical module disposed inside the housing and configured to receive external light incident through the at least one window. The at least one window may include an inner surface facing the inside of the housing, a side surface facing an inner wall of the at least one opening, and a first inclined surface connecting the side surface to the inner surface. The first inclined surface may be inclined with respect to the inner surface and the side surface and may be bonded to the inner wall. Other various embodiments are possible as well.
    Type: Application
    Filed: March 24, 2022
    Publication date: December 8, 2022
    Inventors: Moohyun BAEK, Youngchul LEE
  • Patent number: 11422158
    Abstract: A test board and a test apparatus having the same are disclosed. The test board includes a base plate including a connector and a plurality of mounting areas in a matrix shape having a mounting row in a first direction and a mounting column in a second direction, a plurality of test units arranged on the mounting areas of the base plate and a test object is mounted in each of the mounting areas, and a fluid supplier disposed on the base plate and supplying a test fluid to each of the test units having a test temperature and a supplementary fluid to the test object to reduce a temperature difference between an actual temperature of the test object and the test temperature such that the actual temperature of the test objects is substantially below the test temperature.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: August 23, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeju Kim, Youngchul Lee, Jaecheong Lee
  • Publication number: 20220179322
    Abstract: A mask chuck may include a base plate including a central region and an edge region surrounding the central region, a head part including a first surface connected to the edge region of the base plate and configured to move on the edge region to be close to the central region or away from the central region, and a pad part disposed on a second surface of the head part opposite to the first surface of the head part. The edge region may include a first edge region extending in a first direction, a second edge region extending in the first direction and spaced apart from the first edge region in a second direction crossing the first direction, a third edge region extending in the second direction, and a fourth edge region extending in the second direction and spaced apart from the third edge region in the first direction.
    Type: Application
    Filed: February 22, 2022
    Publication date: June 9, 2022
    Inventors: JUNHO JO, YOUNGHO PARK, SEUNGYONG SONG, YOUNGCHUL LEE, YOUNGSUCK CHOI
  • Patent number: 11306386
    Abstract: A mask repairing apparatus may include a stage, a stereoscopic imaging unit to measure a stereoscopic image of a mask on the stage, a control unit to compare the stereoscopic image with a normal image of the mask and to produce a defect image of the mask, and a laser unit to irradiate a laser beam onto a deficient part of the mask, under control of the control unit. The control unit may control the laser unit, based on the defect image, such that the laser beam is sequentially irradiated onto m multiple layers of the deficient part while repeatedly moving in a first direction and a second direction crossing each other.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: April 19, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngmin Moon, Sungsoon Im, Jungwoo Ko, Sangmin Lee, Youngchul Lee, Kyuhwan Hwang
  • Patent number: 11287749
    Abstract: A mask chuck may include a base plate including a central region and an edge region surrounding the central region, a head part including a first surface connected to the edge region of the base plate and configured to move on the edge region to be close to the central region or away from the central region, and a pad part disposed on a second surface of the head part opposite to the first surface of the head part. The edge region may include a first edge region extending in a first direction, a second edge region extending in the first direction and spaced apart from the first edge region in a second direction crossing the first direction, a third edge region extending in the second direction, and a fourth edge region extending in the second direction and spaced apart from the third edge region in the first direction.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: March 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junho Jo, Youngho Park, Seungyong Song, Youngchul Lee, Youngsuck Choi
  • Publication number: 20220025507
    Abstract: A method for manufacturing a mask includes providing, on a stage, a mask frame in which a plurality of cell openings is defined; providing each of the cell openings with a cell mask material in which a second area and a plurality of first areas are defined, where the second area is disposed around each of the first areas; emitting a laser beam to the second area to harden the second area; and removing the first areas, thereby forming a plurality of cell masks disposed in the cell openings, respectively.
    Type: Application
    Filed: March 10, 2021
    Publication date: January 27, 2022
    Inventors: JUNHO JO, YOUNGHO PARK, SEUNGYONG SONG, YOUNGCHUL LEE, YOUNGSUCK CHOI
  • Publication number: 20220026813
    Abstract: A mask chuck may include a base plate including a central region and an edge region surrounding the central region, a head part including a first surface connected to the edge region of the base plate and configured to move on the edge region to be close to the central region or away from the central region, and a pad part disposed on a second surface of the head part opposite to the first surface of the head part. The edge region may include a first edge region extending in a first direction, a second edge region extending in the first direction and spaced apart from the first edge region in a second direction crossing the first direction, a third edge region extending in the second direction, and a fourth edge region extending in the second direction and spaced apart from the third edge region in the first direction.
    Type: Application
    Filed: March 11, 2021
    Publication date: January 27, 2022
    Inventors: JUNHO JO, YOUNGHO PARK, SEUNGYONG SONG, YOUNGCHUL LEE, YOUNGSUCK CHOI
  • Publication number: 20210379694
    Abstract: A mask manufacturing equipment includes a first stage on which a mask frame is disposed, the mask frame including cell openings arranged in a first direction and a second direction intersecting the first direction, a transfer module that places cell masks on the mask frame to respectively overlap the cell openings of the mask frame and the cell masks, a camera module that photographs the cell masks, a first processing module that irradiates a first laser beam between a border portion corresponding to a portion of the mask frame adjacent to an N-th cell opening and a first edge area of an N-th cell mask disposed on the border portion, and a second processing module that irradiates a second laser beam to a boundary area between the first edge area and a second edge area extending from the first edge area.
    Type: Application
    Filed: March 10, 2021
    Publication date: December 9, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: JUNHO JO, SEUNGWON KIM, YOUNGHO PARK, SEUNGYONG SONG, YOUNGCHUL LEE, SUNGSOON IM, YOUNGSUCK CHOI
  • Publication number: 20210375833
    Abstract: The disclosure describes a micro Light Emitting Diode (LED) display. The display may include a Printed Circuit Board (PCB) including a plurality of solder pads, a micro LED package including a plurality of micro LED chips, and a plurality of solder electrodes which bond the micro LED chips onto the solder pads of the PCB. The micro LED package may be re-arranged in an Red Green Blue (RGB) state on a temporary fixing film by using a pickup device in accordance with a display pixel configuration, after the micro LED chips are attached to a carrier film.
    Type: Application
    Filed: June 26, 2018
    Publication date: December 2, 2021
    Inventors: Youngchul LEE, Taesang PARK, Kyoree LEE, Tackmo LEE, Gyun HEO, Youngjun MOON, Won CHOI
  • Publication number: 20210343760
    Abstract: An apparatus and a method for manufacturing a mask assembly and a method of manufacturing a display device are provided. The apparatus may include: a tensioning part configured to be spaced apart from a mask frame comprising at least one opening, the tensioning part configured to tension a mask sheet in at least one of a first direction and a second direction, the mask sheet comprising a cell area corresponding to the at least one opening, and a dummy portion arranged outside the cell area; a pressing part configured to correspond to the dummy portion and press the dummy portion in a third direction intersecting a plane in which the first direction and the second direction extend; and a header configured to irradiate a laser beam toward the mask sheet to fix the mask sheet to the mask frame.
    Type: Application
    Filed: November 13, 2020
    Publication date: November 4, 2021
    Inventors: Junho Jo, Seungwon Kim, Youngho Park, Youngchul Lee
  • Publication number: 20210172979
    Abstract: A test board and a test apparatus having the same are disclosed. The test board includes a base plate including a connector and a plurality of mounting areas in a matrix shape having a mounting row in a first direction and a mounting column in a second direction, a plurality of test units arranged on the mounting areas of the base plate and a test object is mounted in each of the mounting areas, and a fluid supplier disposed on the base plate and supplying a test fluid to each of the test units having a test temperature and a supplementary fluid to the test object to reduce a temperature difference between an actual temperature of the test object and the test temperature such that the actual temperature of the test objects is substantially below the test temperature.
    Type: Application
    Filed: July 30, 2020
    Publication date: June 10, 2021
    Inventors: Hyeju Kim, Youngchul Lee, Jaecheong Lee
  • Publication number: 20210136966
    Abstract: According to various embodiments, provided is an electrical element transfer apparatus comprising: a fixing jig in which each of a plurality of electrical elements is arranged at a predetermined interval; a movement jig movably arranged at an upper part of the fixing jig, and including a plurality of first accommodating grooves for accommodating at least a part of each of the plurality of electrical elements; and an attraction device arranged around the movable jig and attaching each of the plurality of electrical elements through the movable jig to the first accommodating groove of the movable jig through magnetic force. Additional various embodiments are possible.
    Type: Application
    Filed: July 11, 2018
    Publication date: May 6, 2021
    Inventors: Hyun-Tae JANG, Min PARK, Byung Hoon LEE, Youngchul LEE, Changjoon LEE, Jiyoung JANG, Youngjun MOON, Minyoung PARK, Jeonggen YOON, Won CHOI, Siho JANG