Patents by Inventor Chung-Woo Lee

Chung-Woo 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).

  • Publication number: 20240136208
    Abstract: A light-emitting element transfer system includes raw film cutting device for forming a transfer member by cutting a raw film, a stretching device for stretching a transfer film with a plurality of light-emitting elements disposed thereon, a circuit board support member for supporting a circuit board and transport head for adsorbing the transfer member and transferring the light-emitting elements on the transfer film onto the circuit board by using the adsorbed transfer member.
    Type: Application
    Filed: July 20, 2023
    Publication date: April 25, 2024
    Inventors: Jeong Won HAN, Chung Sic CHOI, Won Hee OH, Han Chun RYU, Jae Woo LEE
  • Publication number: 20240120475
    Abstract: The present disclosure relates to a cathode active material for an all-solid-state battery with a controlled particle size and a method for preparing the same. In particular, the cathode active material includes lithium and a transition metal, wherein the cathode active material has a single peak in the range of 1 ?m to 10 ?m as a result of particle size distribution (PSD) analysis.
    Type: Application
    Filed: May 4, 2023
    Publication date: April 11, 2024
    Inventors: Sung Woo NOH, Hong Seok MIN, Sang Heon LEE, Jeong Hyun SEO, Im Sul SEO, Chung Bum LIM, Ju Yeong SEONG, Je Sik PARK
  • Publication number: 20240072000
    Abstract: A semiconductor package includes a substrate; a substrate pad on the substrate; a first semiconductor chip and a second semiconductor chip on the substrate; a connective terminal between the substrate pad and the first semiconductor chip and between the substrate pad and the second semiconductor chip; a dummy pad on the substrate, and spaced apart from the substrate pad, wherein the dummy pad is between the first semiconductor chip and the second semiconductor chip; and an underfill material layer interposed between the substrate and the first semiconductor chip and between the substrate and the second semiconductor chip, wherein the dummy pad and the substrate pad include a same material.
    Type: Application
    Filed: August 25, 2023
    Publication date: February 29, 2024
    Inventors: Jin-Woo PARK, Un-Byoung KANG, Chung Sun LEE
  • Publication number: 20230194239
    Abstract: Proposed are a wafer position detection apparatus and a wafer position detection and correction method using the same. More specifically, proposed is an apparatus for wafer placement teaching for adjusting a position of a wafer disposed on an electrostatic chuck, the apparatus including a laser distance sensor disposed above the electrostatic chuck, and a controller configured to control a robot configured to transfer the wafer. The controller checks a relative position of the electrostatic chuck and the wafer disposed on the electrostatic chuck using the laser distance sensor so that the wafer is transferred to a predetermined position, and teaches the position of the wafer using the checked relative position of the electrostatic chuck and the wafer.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 22, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Chung Woo LEE, Tae Dong PARK, Chang Jun PARK, Jin Hwan KIM
  • Publication number: 20230084162
    Abstract: A substrate transfer assembly that transfers a substrate includes a robot arm configured to transfer the substrate, a laser disposed at the robot arm and emitting one or more rays of light, an image sensor disposed at the robot arm and generating a photographed picture or video including an image of a front object by the one or more emitted rays of light, and a control circuit configured to control transfer of the substrate based on the image present in the photographed picture or video.
    Type: Application
    Filed: July 25, 2022
    Publication date: March 16, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Sung Hyuk JUNG, Chung Woo LEE
  • Publication number: 20230070679
    Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having a treating space; and a support unit configured to support and heat a substrate in the treating space, and wherein the support unit includes: at least one heating element for adjusting a temperature of the substrate; a power source for generating a power applied to at least one heating element; a power supply line for transmitting the power generated by the power source to the at least one heating element; a power return line for grounding the at least one heating element; and a current measuring resistor provided on the power supply line or the power return line and used for estimating a temperature of the at least one heating element.
    Type: Application
    Filed: August 25, 2022
    Publication date: March 9, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Tae Dong PARK, Chung Woo LEE
  • Publication number: 20230075120
    Abstract: Provided is a supporting unit supporting a substrate. The supporting unit may include: a plate; heating elements provided to the plate and controlling a temperature of a substrate, wherein the heating elements are arranged to control temperatures of different areas of the substrate; and a power supply module supplying power to the heating element, and the power supply module may be configured to continuously supply the power to at least two heating elements of the heating elements.
    Type: Application
    Filed: August 25, 2022
    Publication date: March 9, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Tae Dong PARK, Chung Woo LEE
  • Publication number: 20230067873
    Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having an entrance for taking in and taking out a substrate at a side wall; a support unit provided inside of the chamber and supporting the substrate; an imaging unit for imaging a substrate being taken in by a transfer robot through the entrance; and a controller is configured to control a position of the transfer robot based on an image data from the imaging unit.
    Type: Application
    Filed: August 18, 2022
    Publication date: March 2, 2023
    Inventors: Chung Woo LEE, Chang Jun PARK, Tae Dong PARK
  • Publication number: 20230060901
    Abstract: The inventive concept provides a support unit for supporting a substrate. The support unit for supporting the substrate includes a first plate; heating elements provided at the first plate for controlling a temperature of respective region of the substrate; a power supply module configured to generate at least two powers having a different frequency; a power line transmitting a power generated by the power supply module to the heating elements; and filters installed at the power line to selectively filter a power supplied to the heating elements.
    Type: Application
    Filed: August 22, 2022
    Publication date: March 2, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Tae Dong PARK, Chung Woo LEE
  • Publication number: 20230029721
    Abstract: The inventive concept provides a support unit for supporting a substrate. The support unit includes a heating unit for heating the substrate, and wherein the heating unit includes: a plurality of heating members; and a plurality of first power lines and a plurality of second power lines providing a supply and return pathway for a power to and from the plurality of heating members, and wherein the plurality of second power lines are connected to each of the plurality of first power lines through the plurality of heating members, and at least two heating members are connected to each first power line and at least two heating members are connected to each second power line, and at least two heating members are connected in parallel between each first power line and each second power line.
    Type: Application
    Filed: July 21, 2022
    Publication date: February 2, 2023
    Applicant: SEMES CO., LTD.
    Inventor: Chung Woo LEE
  • Patent number: 11543838
    Abstract: Disclosed is an air pressure control (APC) device according to an embodiment of the inventive concept. The air pressure control (APC) device may include a processing chamber, a plate for adjusting a pressure in the processing chamber, and an APC valve including first and second step motors for adjusting a height of the plate, and an APC controller that controls the APC valve, and the APC controller may include a first controller that controls positions of the first step motor and the second step motor; and a second controller that compensates for a difference in position between the first step motor and the second step motor.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: January 3, 2023
    Assignee: SEMES CO., LTD.
    Inventors: Chung Woo Lee, In Kyu Park, Yong Seok Jang, Sung Youn Jeon
  • Publication number: 20220384160
    Abstract: Disclosed is a container that receives a substrate type sensor. The container includes a body having a reception space, one side of which is opened, a door that selectively opens and closes the reception space, a shelf part that supports the substrate type sensor in the reception space, and a charging module that charges the substrate type sensor supported by the shelf part, and the charging module includes a charging part that moves between a standby location and a charging location that charges the substrate type sensor supported by the shelf part.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 1, 2022
    Inventor: Chung Woo LEE
  • Publication number: 20220197318
    Abstract: A temperature adjustment apparatus configured to perform temperature adjustment and control for each fine zone of a substrate, a multi-zone temperature adjustment apparatus including the same, and a multi-zone temperature adjustment type substrate supporting apparatus are proposed. The temperature adjustment apparatus includes a first power source, a second power source, an ammeter connected to the second power source in series and configured to measure a current value of the second power source, a heater inducing a first direction current to dissipate heat energy while being connected to the first power source in series during a heating time period, a temperature sensor inducing a second direction current while being connected to the second power source in series during a sensing time period, and a switch controller controlling connection between the first power source and the heater and connection between the second power source and the temperature sensor.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 23, 2022
    Applicant: SEMES CO., LTD.
    Inventors: Sang Bo SEO, Soo Hyang KANG, Young Chul SHIN, Chung Woo LEE
  • Patent number: D1000329
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: October 3, 2023
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Chung Woo Lee, Ferenc Tobak, IV
  • Patent number: D1006682
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: December 5, 2023
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Chung Woo Lee, Robert Seiji Mochizuki, Byung Hyun Yoo
  • Patent number: D1007383
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: December 12, 2023
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Robert Seiji Mochizuki, Chung Woo Lee
  • Patent number: D1007388
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: December 12, 2023
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Chung Woo Lee
  • Patent number: D1011244
    Type: Grant
    Filed: May 2, 2023
    Date of Patent: January 16, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Robert Seiji Mochizuki, Chung Woo Lee, Yeongmin Kong
  • Patent number: D1011977
    Type: Grant
    Filed: May 2, 2023
    Date of Patent: January 23, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Robert Seiji Mochizuki, Chung Woo Lee, Ferenc Tobak, IV
  • Patent number: D1012794
    Type: Grant
    Filed: May 2, 2023
    Date of Patent: January 30, 2024
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Robert Seiji Mochizuki, Chung Woo Lee, Scott Matthew Roller, Ferenc Tobak, IV