Patents by Inventor Seong-Hwan Lee

Seong-Hwan 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: 11970672
    Abstract: A semiconductor wafer cleaning composition for used in a semiconductor device manufacturing process and a method of cleaning a semiconductor wafer using the cleaning composition are provided. The cleaning composition includes surfactants represented by Formula 1 and Formula 2, respectively, an organic or inorganic acid, and water occupying for the remaining proportion. The cleaning method is a method of immersing a semiconductor wafer in the cleaning composition for 100 to 500 seconds. The cleaning composition and the cleaning method according to the present disclosure provide an incredibility improved removal rate and an effective cleaning power for contaminants, especially organic wax, during a process of polishing the surface of a wafer used to manufacture semiconductor devices, thereby providing a super-cleaned wafer surface, resulting in production of reliable semiconductor devices.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: April 30, 2024
    Assignee: YOUNG CHANG CHEMICAL CO., LTD
    Inventors: Seung Hun Lee, Seung Hyun Lee, Seong Hwan Kim, Seung Oh Jin
  • Patent number: 11964882
    Abstract: An IoT-based system for measurement of contamination distribution of contaminated groundwater through real-time monitoring of a contamination degree of a contaminated groundwater well for control of a contaminated groundwater purification device and prediction of a purification period based on the measurement result.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: April 23, 2024
    Assignees: HYORIM CO., LTD.
    Inventors: Sung Kook Cho, Seong Ghui Cho, Myeong Gwang Oh, Sang Hwan Lee
  • Publication number: 20240125365
    Abstract: A pad liner includes a first pad clip that surrounds and is coupled to a side protrusion protruding in a lateral direction from a brake pad, and a torque support located under the first pad clip and between a side surface of the brake pad and the caliper body. The torque support supports a braking torque. The first pad clip includes a reference surface located on one of a top surface and a bottom surface of the side protrusion, a vertical elastic portion located on an opposite side from the reference surface that pressurizes the side protrusion in a direction of the reference surface, and a clip side portion that connects the reference surface and the vertical elastic portion and surrounds a side surface of the side protrusion. The pad liner minimizes a vertical gap and movement of the brake pad.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 18, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Kang Kuk LEE, Seong Hwan AHN, Wan Kyu LEE, In Ho LEE, Yeong Bin CHO
  • Patent number: 11953958
    Abstract: A display includes: a display panel; and a panel bottom sheet disposed below the display panel, the panel bottom sheet including: a first heat dissipation layer; a second heat dissipation layer over the first heat dissipation layer, including a first opening formed completely through the second heat dissipation layer in a thickness direction; a heat dissipation coupling interlayer between the first heat dissipation layer and the second heat dissipation layer, and a heat dissipation substrate on the second heat dissipation layer.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Woo Lee, Boo Kan Ki, June Hyoung Park, Sun Hee Oh, Dong Hyeon Lee, Jeong In Lee, Hyuk Hwan Kim, Seong Sik Choi
  • Publication number: 20240113304
    Abstract: Disclosed is a cathode for a lithium secondary battery, which has a coating layer formed on an edge portion of a cathode plate, a method of manufacturing the cathode, and a lithium secondary battery including the cathode. The cathode includes a cathode plate and a coating layer formed at an edge portion of the cathode plate, in which the cathode plate includes a cathode current collector provided with cathode tab and a cathode active material laminated on at least one surface of the cathode current collector, and the coating layer includes a conductive polymer layer and an insulating coating layer.
    Type: Application
    Filed: July 3, 2023
    Publication date: April 4, 2024
    Inventors: Won Joon JANG, Hyun Je KIM, Tae Seob OH, Seong Hwan LEE, Seung Taek LEE, Chan Sub LEE
  • Patent number: 11946541
    Abstract: A method of controlling an EOP of a powertrain may include determining, by a controller electrically connected to the EOP, whether an oil sloshing phenomenon in which it is difficult for oil to return to a space where an oil intake port of the EOP is positioned may occur while a vehicle is running; and reducing, by the controller, the revolutions per minute (RPM) of the EOP by a predetermined reduced RPM when it is determined that the oil sloshing phenomenon may occur.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: April 2, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Sung Sik Choi, Kyung Moo Lee, Seong Min Son, Ki Bum Kim, Se Hwan Jo, Bong Uk Bae
  • Patent number: 11934079
    Abstract: The embodiments relate to an electrochromic device having excellent elongation and tensile strength while achieving an excellent light transmission variable function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, an electrolyte layer is interposed between the first chromic layer and the second chromic layer, and the elongation is 60% to 170%.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: March 19, 2024
    Assignee: SKC CO., LTD.
    Inventors: Byeong Uk Ahn, Yong Sang La, Seong Hwan Lee, Il Hwan Yoo
  • Patent number: 11936075
    Abstract: Disclosed are a separator for fuel cells capable of minimizing the volume of a system and the use of sealants, and a stack for fuel cells, more particularly, a stack for solid oxide fuel cells, including the same. Specifically, by adding a metal sheet having a specific shape, position and size to the separator, the stress applied to the sealant can be uniformized, and thus the oxidizing agent and fuel can be separated and electrically isolated using only a piece of sealant. Therefore, the stack for fuel cells is characterized in that there is no variation in temperature, reactant concentration, power, or the like between respective unit cells, so delamination and microcracks do not occur, the volume is minimized, and the power density per unit volume is very high.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: March 19, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Jong Ho Lee, Kyung Joong Yoon, Ji Won Son, Seong Kook Oh, Sang Hyeok Lee, Dong Hwan Kim, Min Jun Oh
  • Patent number: 11925084
    Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: March 5, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
  • Patent number: 11914773
    Abstract: Provided is a brain-machine interface based intention determination device using a virtual environment, including: an input unit that receives a control mode; a training output unit that outputs training information; a collection unit that collects a brain signal; a first preprocessing unit that extracts time-frequency information; a second preprocessing unit that generates physical information; a learning unit that learns control information according to a pattern of physical information; a determination unit that determines control information; and a command output unit that outputs a control command matching the control information.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: February 27, 2024
    Assignee: Korea University Research and Business Foundation
    Inventors: Seong-Whan Lee, Byoung-Hee Kwon, Ji-Hoon Jeong, Kyung-Hwan Shim, Byeong-Hoo Lee
  • Patent number: 11852908
    Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission variable function based on the electrochromic principle. The flexible electrochromic device comprises a first base layer; a first barrier layer on the first base layer; a light transmission variable structure on the first barrier layer; a second barrier layer on the light transmission variable structure; and a second base layer on the second barrier layer.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: December 26, 2023
    Assignee: SKC CO., LTD.
    Inventors: Byeong Uk Ahn, Yong Sang La, Seong Hwan Lee, Il Hwan Yoo, Seung Bae Oh
  • Patent number: 11835832
    Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission variable function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, and the value of ?TTd24 as defined in Equation (1) is 3% or less.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: December 5, 2023
    Assignee: SKC Co., LTD.
    Inventors: Seung Bae Oh, Yong Sang La, Seong Hwan Lee, Jongmin Shim, Il Hwan Yoo, Byeong Uk Ahn
  • Patent number: 11812552
    Abstract: A printed circuit board, includes: a first insulating layer on which a wiring line is disposed; a second insulating layer covering an upper portion of the wiring line; a first conductive shield wall spaced apart from two opposing sides of the wiring line in a width direction of the wiring line, and extending in a length direction of the wiring line; and a second conductive shield wall spaced apart from two opposing ends of the first conductive shield wall in the length direction, and extending the a width direction. At least one of the first conductive shield wall or the second conductive shield wall includes a plurality of via walls each extending in a thickness direction of the first insulating layer and the second insulating layer and having a gap is disposed therebetween.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chul Mun Kang, Sang Jong Lee, Hyun Sang Kwak, Chi Hyeon Jeong, Seong Hwan Lee
  • Publication number: 20230343519
    Abstract: A capacitor component, includes: a body including first and second surfaces opposing each other in a first direction, wherein, in the body, a first internal electrode, a second internal electrode, a first dielectric layer interposed between the first and second internal electrodes, and a second dielectric layer disposed on the second internal electrode are wound in the first direction as a winding axis; a first external electrode disposed on the first surface and connected to the first internal electrode; and a second external electrode disposed on the second surface and connected to the second internal electrode. The first internal electrode and the second internal electrode include different metals.
    Type: Application
    Filed: July 28, 2022
    Publication date: October 26, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Jong LEE, Min Cheol PARK, Chi Hyeon JEONG, Seong Hwan LEE, Hyun Sang KWAK
  • Publication number: 20230307179
    Abstract: A multilayer capacitor includes: a body including a capacitance region in which at least one first internal electrode and at least one second internal electrode are alternately laminated in a first direction with at least one dielectric layer interposed therebetween; and first and second external electrodes spaced apart from each other and respectively disposed on first and second surfaces of the body, the first and second surfaces opposing each other. The body further includes a first via electrode, connecting the at least one first internal electrode and the first external electrode to each other in the first direction, and a second via electrode connecting the at least one second internal electrode and the second external electrode to each other in the first direction.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 28, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Cheol PARK, Sang Jong LEE, Hyung Joon KIM, Hyun Sang KWAK, Chi Hyeon JEONG, Seong Hwan LEE
  • Patent number: 11747697
    Abstract: The embodiments relate to an electrochromic device having flexibility while achieving an excellent light transmission adjusting function based on the electrochromic principle. The electrochromic device comprises a light transmission variable structure interposed between a first base layer and a second base layer, wherein the light transmission variable structure comprises a first chromic layer and a second chromic layer, the first chromic layer comprises a reducing chromic material, the second chromic layer comprises an oxidizing chromic material, and the value of c as defined in Equation 1 is 1.0 to 1.6.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: September 5, 2023
    Assignee: SKC CO., LTD.
    Inventors: Seung Bae Oh, Seong Hwan Lee, Yong Sang La, Hyung Mo Kim
  • Patent number: 11488942
    Abstract: A package structure includes a first package including a first substrate and a first molded portion disposed on the first substrate; and a rigid-flexible substrate disposed on at least a portion of the first package and having a rigid region and a flexible region. The first molded portion is disposed between the first substrate and the rigid-flexible substrate.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chi Hyeon Jeong, Seong Hwan Lee, Sang Jong Lee, Hyun Sang Kwak
  • Publication number: 20220192014
    Abstract: A printed circuit board, includes: a first insulating layer on which a wiring line is disposed; a second insulating layer covering an upper portion of the wiring line; a first conductive shield wall spaced apart from two opposing sides of the wiring line in a width direction of the wiring line, and extending in a length direction of the wiring line; and a second conductive shield wall spaced apart from two opposing ends of the first conductive shield wall in the length direction, and extending the a width direction. At least one of the first conductive shield wall or the second conductive shield wall includes a plurality of via walls each extending in a thickness direction of the first insulating layer and the second insulating layer and having a gap is disposed therebetween.
    Type: Application
    Filed: April 2, 2021
    Publication date: June 16, 2022
    Inventors: Chul Mun Kang, Sang Jong Lee, Hyun Sang Kwak, Chi Hyeon Jeong, Seong Hwan Lee
  • Publication number: 20220157794
    Abstract: A package structure includes a first package including a first substrate and a first molded portion disposed on the first substrate; and a rigid-flexible substrate disposed on at least a portion of the first package and having a rigid region and a flexible region. The first molded portion is disposed between the first substrate and the rigid-flexible substrate.
    Type: Application
    Filed: February 19, 2021
    Publication date: May 19, 2022
    Inventors: Chi Hyeon Jeong, Seong Hwan Lee, Sang Jong Lee, Hyun Sang Kwak
  • Publication number: 20220074731
    Abstract: A rotor apparatus is provided. The rotor apparatus includes a rotor, configured to rotate around a rotational axis, an angular position identification layer configured to surround surface of the rotor, and configured to rotate with the rotor, and configured to have a width that varies based on an angular position of the rotor, and a permeability layer configured to surround the surface of the rotor, and configured to have a higher permeability than a permeability of the rotor.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 10, 2022
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Su Bong JANG, Hee Soo YOON, Sang Jong LEE, Seung Jae SONG, Seong Hwan LEE