Patents by Inventor Kun Seok Lee

Kun Seok 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: 11935984
    Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: March 19, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Seok Han, Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Kun Su Park, Yuho Won, Jeong Hee Lee, Eun Joo Jang, Hyo Sook Jang
  • Patent number: 11716818
    Abstract: A method of manufacturing a transparent electrode substrate according to an exemplary embodiment of the present application comprises: forming a structure comprising a transparent base, a bonding layer provided on the transparent base, and a metal foil provided on the bonding layer; forming a metal foil pattern by patterning the metal foil; heat-treating the structure comprising the metal foil pattern at a temperature of 70° C. to 100° C.; and completely curing the bonding layer.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: August 1, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Yong Goo Son, Kun Seok Lee, Jung Ok Moon, Kiseok Lee, Seung Heon Lee
  • Publication number: 20220190221
    Abstract: A transparent light emitting device display comprising: a transparent substrate; a conductive metal pattern provided on the transparent substrate; a light emitting device provided on at least a part of the conductive metal pattern; a first transparent adhesive layer provided on the transparent substrate, the conductive metal pattern, and the light emitting device; a UV-cut film provided on the first transparent adhesive layer; and a second transparent adhesive layer provided on the UV-cut film.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 16, 2022
    Inventors: Kiseok LEE, Kun Seok LEE, Seung Heon LEE
  • Publication number: 20220132675
    Abstract: A method of manufacturing a transparent electrode substrate according to an exemplary embodiment of the present application comprises: forming a structure comprising a transparent base, a bonding layer provided on the transparent base, and a metal foil provided on the bonding layer; forming a metal foil pattern by patterning the metal foil; heat-treating the structure comprising the metal foil pattern at a temperature of 70° C. to 100° C.; and completely curing the bonding layer.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Yong Goo SON, Kun Seok LEE, Jung Ok MOON, Kiseok LEE, Seung Heon LEE
  • Patent number: 11264675
    Abstract: The present application relates to an ink composition for a secondary battery separator, a separator for a secondary battery including the same, and a method for preparing the same.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: March 1, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Kun Seok Lee, Jungyeon Lee, Seung Heon Lee
  • Patent number: 11254158
    Abstract: The present specification relates to an apparatus for manufacturing a blanket, a method for manufacturing a blanket, a blanket manufactured using the same, a reverse offset printing roll provided with the blanket, and a reverse offset printing apparatus including the same.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: February 22, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Beom Mo Koo, Seung Heon Lee, Ji Young Hwang, Yong Goo Son, Jooyeon Kim, Jeseob Park, Kun Seok Lee
  • Patent number: 11259417
    Abstract: A method of manufacturing a transparent electrode substrate according to an exemplary embodiment includes: a) forming a structure including a transparent base, a bonding layer on a surface of the transparent base, and a metal foil on a surface of the bonding layer opposite the transparent base; b) forming a metal foil pattern by patterning the metal foil; c) heat-treating the structure resulting from b) at a temperature of 70° C. to 100° C.; and d) completely curing the bonding layer. Also, a transparent electrode substrate is disclosed.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: February 22, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Goo Son, Kun Seok Lee, Jung Ok Moon, Kiseok Lee, Seung Heon Lee
  • Patent number: 11223001
    Abstract: An electrode substrate for a transparent light emitting device display according to an embodiment of the this application comprises: a transparent substrate; (M rows×N columns) light emitting device pad portions provided on the transparent substrate as a matrix; and a first common electrode wiring portion, a second common electrode wiring portion, and a signal electrode wiring portion which are provided on the transparent substrate and connected to the light emitting device pad portions, respectively, in which each of the first common electrode wiring portion, the second common electrode wiring portion, and the signal electrode wiring portion comprises a metal mesh pattern, and line resistance of the first common electrode wiring portion or the second common electrode wiring portion connected to the light emitting device pad portions constituting one row among the light emitting device pad portions satisfies Equation 1 above.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: January 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Kun Seok Lee, Yong Goo Son, Kiseok Lee, Seung Heon Lee
  • Patent number: 11171259
    Abstract: An electrode substrate for a transparent light emitting device display containing a transparent substrate; a wire electrode unit, which is provided on the transparent substrate and comprises a metal mesh pattern; and at least one light emitting device mounting unit provided on the transparent substrate, in which both an upper surface and a lateral surface of the metal mesh pattern of the wire electrode unit comprise a darkening layer pattern, and both an upper surface and a lateral surface of the light emitting device mounting unit do not comprise a darkening layer pattern.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: November 9, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Yong Goo Son, Jooyeon Kim, Kun Seok Lee, Seung Heon Lee
  • Patent number: 11094869
    Abstract: A transparent light emitting device display, comprising a transparent substrate, at least two light emitting devices provided on the transparent substrate, a first common electrode wiring portion, a second common electrode wiring portion, and a signal electrode wiring portion provided on the transparent substrate, electrode pad portions provided between each of the transparent substrates and the light emitting devices, and an electrode pad connection portion electrically connecting the first common electrode wiring portion, the second common electrode wiring portion, and the signal electrode wiring portion to the electrode pad portion.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: August 17, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Kun Seok Lee, Yong Goo Son, Bumwoo Lee, Seung Heon Lee
  • Publication number: 20210195760
    Abstract: A method of manufacturing a transparent electrode substrate according to an exemplary embodiment includes: a) forming a structure including a transparent base, a bonding layer on a surface of the transparent base, and a metal foil on a surface of the bonding layer opposite the transparent base; b) forming a metal foil pattern by patterning the metal foil; c) heat-treating the structure resulting from b) at a temperature of 70° C. to 100° C.; and d) completely curing the bonding layer. Also, a transparent electrode substrate is disclosed.
    Type: Application
    Filed: March 11, 2019
    Publication date: June 24, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Yong Goo SON, Kun Seok LEE, Jung Ok MOON, Kiseok LEE, Seung Heon LEE
  • Patent number: 10964869
    Abstract: A transparent light emitting element display, comprising: a transparent substrate; at least one light emitting element which is provided on the transparent substrate; and a first common electrode wiring portion, a second common electrode wiring portion, and a signal electrode wiring portion which are provided on the transparent substrate, in which all of the first common electrode wiring portion, the second common electrode wiring portion, and the signal electrode wiring portion comprise metal mesh patterns, respectively, each of the metal mesh patterns, which constitute the first common electrode wiring portion, the second common electrode wiring portion, and the signal electrode wiring portion, has a standard deviation of a line width which is 20% or less, a standard deviation of a pitch which is 10% or less, and a standard deviation of a line height which is 10% or less, and the metal mesh patterns are provided in a region having an area of 80% or more of an overall area on the transparent substrate.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: March 30, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Kun Seok Lee, Yong Goo Son, Seung Heon Lee
  • Publication number: 20210074895
    Abstract: An electrode substrate for a transparent light emitting device display according to an embodiment of the this application comprises: a transparent substrate; (M rows×N columns) light emitting device pad portions provided on the transparent substrate as a matrix; and a first common electrode wiring portion, a second common electrode wiring portion, and a signal electrode wiring portion which are provided on the transparent substrate and connected to the light emitting device pad portions, respectively, in which each of the first common electrode wiring portion, the second common electrode wiring portion, and the signal electrode wiring portion comprises a metal mesh pattern, and line resistance of the first common electrode wiring portion or the second common electrode wiring portion connected to the light emitting device pad portions constituting one row among the light emitting device pad portions satisfies Equation 1 above.
    Type: Application
    Filed: August 20, 2019
    Publication date: March 11, 2021
    Inventors: Kun Seok LEE, Yong Goo SON, Kiseok LEE, Seung Heon LEE
  • Patent number: 10923644
    Abstract: An embedded electrode substrate for a transparent light emitting device display that includes a transparent substrate; an adhesive layer provided on the transparent substrate; and a wiring electrode portion and a light emitting device mounted portion embedded in the adhesive layer, and the wiring electrode portion comprises a first metal foil pattern, and comprises a blackening layer on both an upper surface and a side surface of the first metal foil pattern, and the light emitting device mounted portion comprises a second metal foil pattern and comprises the blackening layer only on the side surface of the second metal foil pattern.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: February 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Kiseok Lee, Kun Seok Lee, Yong Goo Son, Seung Heon Lee
  • Patent number: 10868229
    Abstract: A method of manufacturing an electrode substrate for a transparent light emitting device display that includes laminating copper foil on a transparent base material; forming a copper foil pattern by etching the copper foil; forming a transparent photosensitive resin composition layer on a front surface of the transparent base material and the copper foil pattern; and exposing at least a part of the copper foil pattern by removing at least a part of the transparent photosensitive resin composition layer provided on the copper foil pattern.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: December 15, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Yong Goo Son, Kun Seok Lee, Seung Heon Lee
  • Patent number: 10854786
    Abstract: A transparent light emitting device display comprising a transparent substrate; at least one light emitting device provided on the transparent substrate; and a first common electrode wiring unit, a second common electrode wiring unit, and a signal electrode wiring unit provided on the transparent substrate, in which the first common electrode wiring unit, the second common electrode wiring unit, and the signal electrode wiring unit comprise a metal mesh pattern.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: December 1, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Kun Seok Lee, Yong Goo Son, Seung Heon Lee
  • Publication number: 20200365784
    Abstract: An embedded electrode substrate for a transparent light emitting device display that includes a transparent substrate; an adhesive layer provided on the transparent substrate; and a wiring electrode portion and a light emitting device mounted portion embedded in the adhesive layer, and the wiring electrode portion comprises a first metal foil pattern, and comprises a blackening layer on both an upper surface and a side surface of the first metal foil pattern, and the light emitting device mounted portion comprises a second metal foil pattern and comprises the blackening layer only on the side surface of the second metal foil pattern.
    Type: Application
    Filed: August 20, 2019
    Publication date: November 19, 2020
    Inventors: Kiseok LEE, Kun Seok LEE, Yong Goo SON, Seung Heon LEE
  • Publication number: 20200350475
    Abstract: A transparent light emitting device display, comprising a transparent substrate, at least two light emitting devices provided on the transparent substrate, a first common electrode wiring portion, a second common electrode wiring portion, and a signal electrode wiring portion provided on the transparent substrate, electrode pad portions provided between each of the transparent substrates and the light emitting devices, and an electrode pad connection portion electrically connecting the first common electrode wiring portion, the second common electrode wiring portion, and the signal electrode wiring portion to the electrode pad portion.
    Type: Application
    Filed: November 13, 2018
    Publication date: November 5, 2020
    Inventors: Kun Seok LEE, Yong Goo SON, Bumwoo LEE, Seung Heon LEE
  • Patent number: 10804559
    Abstract: The present application relates to a separator and a battery comprising the same. A separator according to an exemplary embodiment of the present application includes: a porous substrate; and a first bonding layer pattern provided on at least one surface of the porous substrate, in which each pattern constituting the first bonding layer pattern is a pattern including a second bonding layer pattern having an aperture ratio of 5% or more and 40% or less.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: October 13, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Kun Seok Lee, Jungyeon Lee, Seung Heon Lee, Sun Mi Jin, Hyejin Kwon
  • Publication number: 20200251637
    Abstract: A transparent light emitting element display, comprising: a transparent substrate; at least one light emitting element which is provided on the transparent substrate; and a first common electrode wiring portion, a second common electrode wiring portion, and a signal electrode wiring portion which are provided on the transparent substrate, in which all of the first common electrode wiring portion, the second common electrode wiring portion, and the signal electrode wiring portion comprise metal mesh patterns, respectively, each of the metal mesh patterns, which constitute the first common electrode wiring portion, the second common electrode wiring portion, and the signal electrode wiring portion, has a standard deviation of a line width which is 20% or less, a standard deviation of a pitch which is 10% or less, and a standard deviation of a line height which is 10% or less, and the metal mesh patterns are provided in a region having an area of 80% or more of an overall area on the transparent substrate.
    Type: Application
    Filed: July 25, 2018
    Publication date: August 6, 2020
    Inventors: Kun Seok LEE, Yong Goo SON, Seung Heon LEE