Patents by Inventor Kyung-Yul Lee

Kyung-Yul 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: 11840844
    Abstract: The present disclosure has the following configurations. The present disclosure relates to a unit bracket in a square shape, in which outer surfaces of four surfaces of the unit bracket are formed with locking projections configured to insert a metal or plastic panel, and a center portion of the unit bracket is formed with a mesh part to be formed such that the bonding is possible at a vertical tensile strength and a horizontal tensile strength having desired forces even if the unit bracket and a wall or a base material are bonded with an adhesive, in order to bond the unit bracket to the wall or the base material.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: December 12, 2023
    Assignee: SAMWON ACT CO., LTD.
    Inventors: Kyung Wook Lee, Kyung Yul Lee, Hong Seok Han
  • Patent number: 11665828
    Abstract: Disclosed is a method for manufacturing an FCCL capable of controlling flexibility and stiffness of a conductive pattern. The method for manufacturing an FCCL (Flexible Copper Clad Laminate) includes: an electroforming step of forming a conductive pattern on a mold for electroforming through electroforming; and a transfer step of transferring the conductive pattern from the mold for electroforming to the bottom of a polymer plastic film, wherein the electroforming process is performed in a plating bath equipped with a first metal, a second metal and a third metal, wherein the first metal is copper (Cu), the second metal serves to add flexibility and is one of tin (Sn), gold (Au), silver (Ag) and aluminum (Al), and the third metal serves to add stiffness and is one of nickel (Ni), cobalt (Co), chrome (Cr), iron (Fe), tungsten (W) and titanium (Ti).
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: May 30, 2023
    Assignee: SAMWON ACT CO., LTD.
    Inventors: Kyung Yul Lee, Kwang Jong Choi, Pyoung Woo Lee, Doo Yul Baek
  • Publication number: 20220356715
    Abstract: The present invention has the following features. The present invention relates to a flammable flame-proof material provided with a metal material, comprising a metal material and a non-flame-proof-treated thin film sheet on the top of the metal material, wherein an adhesive agent is between the metal material and the non-flame-proof-treated thin film sheet, and relates to an attachment structure for attaching a metal plate with a flammable thin-film construction interior material.
    Type: Application
    Filed: June 25, 2020
    Publication date: November 10, 2022
    Applicant: SAMWON ACT CO., LTD.
    Inventors: Kyung Wook LEE, Kyung Yul LEE, Hong Suk HAN, Jae Sung CHOI
  • Publication number: 20220243478
    Abstract: The present invention is configured as follows. The present invention relates to a system wall characterized by comprising: a bracket attached to a wall part; a support attached to the bracket; a hole-processed metal panel corresponding to the support; and a decorative part inserted into the support protruding from the hole-processed metal panel.
    Type: Application
    Filed: June 24, 2020
    Publication date: August 4, 2022
    Applicant: SAMWON ACT CO., LTD.
    Inventors: Kyung Wook LEE, Kyung Yul LEE, Hong Suk HAN, Jae Sung CHOI
  • Publication number: 20220231495
    Abstract: The present invention has the following configuration. The present invention relates to a wirable bracket attached to a wall body, the bracket being characterized by comprising: a rib which is bound to an upper portion of the bracket by inserting a metal panel; and a wiring part inserted into a hollow space section formed in the rib.
    Type: Application
    Filed: June 25, 2020
    Publication date: July 21, 2022
    Applicant: SAMWON ACT CO., LTD.
    Inventors: Kyung Wook LEE, Kyung Yul LEE, Hong Suk HAN, Jae Sung CHOI
  • Publication number: 20220195737
    Abstract: The present disclosure has the following configurations. The present disclosure relates to a unit bracket in a square shape, in which outer surfaces of four surfaces of the unit bracket are formed with locking projections configured to insert a metal or plastic panel, and a center portion of the unit bracket is formed with a mesh part to be formed such that the bonding is possible at a vertical tensile strength and a horizontal tensile strength having desired forces even if the unit bracket and a wall or a base material are bonded with an adhesive, in order to bond the unit bracket to the wall or the base material.
    Type: Application
    Filed: July 9, 2021
    Publication date: June 23, 2022
    Inventors: Kyung Wook LEE, Kyung Yul LEE, Hong Seok HAN
  • Patent number: 11319711
    Abstract: The present disclosure relates to interior material attachment structure with wall attachment part bolt grooves, including: binding protrusions formed at the outermost part of the interior material attachment structure in order to attach the metal interior material; and connection part grooves formed adjacent to the binding protrusions in order to connect the plurality of interior material attachment structures to each other.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: May 3, 2022
    Inventors: Kyung Wook Lee, Kyung Yul Lee, Hong Suk Han
  • Patent number: 11291123
    Abstract: The present invention relates to a circuit board including: a base board having a circuit region and a terminal region; a circuit pattern formed on an upper portion of the base board; and a low-melting-metal layer formed on an upper portion of the circuit pattern. A circuit board capable of reducing manufacturing time and manufacturing costs may be manufactured by omitting a photoresist process.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: March 29, 2022
    Assignees: SAMWON ACT CO., LTD., EMOT CO., LTD., KOREA INSTITUTE OF MATERIALS SCIENCE
    Inventors: Kyung Yul Lee, Kyung Wook Lee, Jun Sang Jeong, Yang Seok Lee, Man Kim, Joo Yul Lee, Sang Yeoul Lee
  • Publication number: 20220010445
    Abstract: Disclosed is a circuit pattern continuous manufacturing device capable of quickly manufacturing a circuit pattern having a sufficient thickness. The circuit pattern continuous manufacturing device may include: an unwinder configured to unwind a transfer film to be horizontally unfolded; a rotary drum-type continuous electroforming part configured to form a circuit pattern having a first metal layer on the surface of a rotating cathode drum through electroforming; a continuous transfer part configured to transfer the circuit pattern, formed on the surface of the cathode drum of the rotary drum-type continuous electroforming part, onto the transfer film; a first horizontal plating path configured to additionally plate the circuit pattern, transferred onto the transfer film, with a second metal layer made of the same metal as the rotary drum-type continuous electroforming part; and a rewinder configured to rewind the transfer film.
    Type: Application
    Filed: November 27, 2019
    Publication date: January 13, 2022
    Inventors: Kyung Yul LEE, Kwang Jong CHOI, Heung Hyeon SONG, Eun Yoo CHOI
  • Publication number: 20220007514
    Abstract: Disclosed is a method for manufacturing an FCCL capable of controlling flexibility and stiffness of a conductive pattern. The method for manufacturing an FCCL (Flexible Copper Clad Laminate) includes: an electroforming step of forming a conductive pattern on a mold for electroforming through electroforming; and a transfer step of transferring the conductive pattern from the mold for electroforming to the bottom of a polymer plastic film, wherein the electroforming process is performed in a plating bath equipped with a first metal, a second metal and a third metal, wherein the first metal is copper (Cu), the second metal serves to add flexibility and is one of tin (Sn), gold (Au), silver (Ag) and aluminum (Al), and the third metal serves to add stiffness and is one of nickel (Ni), cobalt (Co), chrome (Cr), iron (Fe), tungsten (W) and titanium (Ti).
    Type: Application
    Filed: November 27, 2019
    Publication date: January 6, 2022
    Inventors: Kyung Yul LEE, Kwang Jong CHOI, Pyoung Woo LEE, Doo Yul BAEK
  • Publication number: 20210102381
    Abstract: The present disclosure relates to interior material attachment structure with wall attachment part bolt grooves, including: binding protrusions formed at the outermost part of the interior material attachment structure in order to attach the metal interior material; and connection part grooves formed adjacent to the binding protrusions in order to connect the plurality of interior material attachment structures to each other.
    Type: Application
    Filed: February 21, 2019
    Publication date: April 8, 2021
    Inventors: Kyung Wook Lee, Kyung Yul Lee, Hong Suk Han
  • Publication number: 20190029124
    Abstract: The present invention relates to a circuit board including: a base board having a circuit region and a terminal region; a circuit pattern formed on an upper portion of the base board; and a low-melting-metal layer formed on an upper portion of the circuit pattern. A circuit board capable of reducing manufacturing time and manufacturing costs may be manufactured by omitting a photoresist process.
    Type: Application
    Filed: January 9, 2017
    Publication date: January 24, 2019
    Applicants: Samwon Act Co., Ltd, Emot Co., Ltd., Korea Institute of Machinery & Materials
    Inventors: Kyung Yul LEE, Kyung Wook LEE, Jun Sang JEONG, Yang Seok LEE, Man KIM, Joo Yul LEE, Sang Yeoul LEE
  • Patent number: 9845543
    Abstract: According to an embodiment of the present invention, a method for producing a duplicate of a nano-pattern texture of a surface of an object through electroforming using an imprint mold comprises selecting the object having the nano-pattern texture, disposing the selected object and pretreating a surface of the object by washing, drying and then forming a nano-thin film thereto to block transfer of impurities, metallizing a surface of the plastic mold through, e.g., vapor deposition, spraying, and wet silver mirror reaction, and performing a first electroforming of the surface of the plastic mold, and repeating to thus manufacture a plurality of metal module master molds.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: December 19, 2017
    Inventors: Kyung Wook Lee, Kyung Yul Lee, Jun Sang Jeong
  • Patent number: 9052425
    Abstract: A silicon solar cell is provided, including a first silicon layer that absorbing sunlight, a first layer of a structure of photonic crystals formed on the first silicon layer, and a second silicon layer formed on the first layer of a structure of photonic crystals and absorbing sunlight, wherein the first silicon layer and the second silicon layer absorb sunlight at different wavelengths and the first layer of structure of photonic crystals selectively reflects light of a wavelength absorbed by the second silicon layer.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: June 9, 2015
    Assignee: SAMWON FA CO., LTD.
    Inventors: Kyung-Wook Lee, Kyung-Yul Lee, Bong-Yul Lee, Wayne H. Choe
  • Publication number: 20150108000
    Abstract: A method of duplicating the nano-pattern of the surface of an object is disclosed A method of duplicating the nano-pattern of the surface of an object comprises: selecting the object having the nano-pattern texture to be duplicated; disposing the selected object and pretreating a surface of the object by washing, drying and then forming a nano-thin film thereto to block transfer of impurities so as to facilitate separation of a nano-imprint mold; nano-imprinting the surface of the object, thus duplicating it on a plastic mold; metallizing a surface of the plastic mold and performing first electroforming of the plastic mold, thus manufacturing metal module master molds; preparing a standard pattern by scanning the surface of the object to achieve an two-dimensional image and three-dimensional depth information and determine a part of a scanned image of the surface of the object as the standard pattern; connecting the metal module master molds to each other through welding thus producing a large-area metal m
    Type: Application
    Filed: December 24, 2014
    Publication date: April 23, 2015
    Inventors: Kyung Wook LEE, Kyung Yul LEE, Jun Sang JEONG
  • Publication number: 20130192994
    Abstract: Disclosed is a method of duplicating a nano-pattern texture of the surface of an object through electroforming using an imprint mold, including selecting the object having the surface texture to be duplicated; disposing the selected object and pre-treating the surface thereof; nano-imprinting the surface of the pretreated object, thus duplicating it on a plastic mold; metallizing the surface of the plastic mold through vapor deposition, and performing electroforming, thus manufacturing metal module master molds; trimming the edges of the metal module master molds, performing micro-processing, connecting the metal module master molds, and then performing electroforming, thus manufacturing a large-area metal unit master mold; and electroforming the metal unit master mold, thus producing a duplicate having the surface texture, thus exhibiting an effect in which the skin of a selected natural object can be duplicated on metal having a uniform thickness.
    Type: Application
    Filed: December 22, 2009
    Publication date: August 1, 2013
    Applicant: EMOT CO., LTD.
    Inventors: Kyung Wook Lee, Kyung Yul Lee, Jun Sang Jeong
  • Patent number: 8422848
    Abstract: Provided are a structure color of photonic crystals in which a new structure of a structure color of photonic crystals is provided so that a nanoimprint process can be performed and mass productivity is improved, a method of manufacturing thereof, and a manufacturing apparatus thereof. The method of manufacturing a structure color of photonic crystals includes: forming a plurality of basic element layers by using nanoimprinting, the plurality of basic element layers comprising a plurality of basic unit bodies each having a symmetrical cross-section and thin film connecting portions connecting the basic unit bodies! sequentially stacking the basic element layers! removing the thin film connecting portions by using etching; and determining whether the structure color of photonic crystals is completed, wherein, when it is determined that the structure color of photonic crystals is not completed, the forming, the stacking, and the removing are repeatedly performed.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: April 16, 2013
    Assignee: Emot Co., Ltd
    Inventors: Kyung Wook Lee, Kyung Yul Lee, Bong Yul Lee, Wayne H. Choe
  • Publication number: 20120118373
    Abstract: A silicon solar cell is provided, including a first silicon layer that absorbing sunlight, a first layer of a structure of photonic crystals formed on the first silicon layer, and a second silicon layer formed on the first layer of a structure of photonic crystals and absorbing sunlight, wherein the first silicon layer and the second silicon layer absorb sunlight at different wavelengths and the first layer of structure of photonic crystals selectively reflects light of a wavelength absorbed by the second silicon layer.
    Type: Application
    Filed: November 28, 2011
    Publication date: May 17, 2012
    Applicant: EMOT Co., LTD.
    Inventors: Kyung-Wook LEE, Kyung-Yul Lee, Bong-Yul Lee, Wayne H. Choe
  • Patent number: D902445
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: November 17, 2020
    Inventors: Kyung Wook Lee, Kyung Yul Lee, Hong Suk Han
  • Patent number: D903153
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: November 24, 2020
    Inventors: Kyung Wook Lee, Kyung Yul Lee, Hong Suk Han