Patents by Inventor Yong-su Park

Yong-su Park 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: 12221561
    Abstract: A hot-melt adhesive composition includes a styrene-butadiene-styrene triblock copolymer and a styrene-isoprene-styrene triblock copolymer. The hot-melt adhesive composition enables melt processing at a relatively low temperature because of having a low viscosity properties are property and thus exhibits excellent adhesive strength and heat resistance while improving the processability. In particular, the melt adhesive composition has excellent mechanical properties after curing, and thus can be used in various industrial fields.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: February 11, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Yong Su Park, Tae Yun Kim, Seungwhan Oh, Jin Young Ryu
  • Publication number: 20230021021
    Abstract: Provided are a method and apparatus for providing a counseling service. A method of operating a counseling center server interworking with an instant messaging service includes creating, based on an input of a first user requesting counseling for a channel registered in the service, a first counseling ticket corresponding to the channel, determining whether the first counseling ticket is created due to switch to manned counseling during unmanned counseling based on a type of the requested counseling and a second counseling ticket created before the first counseling ticket by a request of the first user, updating an indicator for a counseling status of the channel based on a result of the determination and counseling data stored in correspondence with the second counseling ticket, and providing the updated indicator for the counseling status to a terminal of a second user linked to the channel.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 19, 2023
    Inventors: Se Eun PARK, Sung Yong CHANG, Zong Muk YOON, Hyun Soo PARK, Bo Kuk PARK, Yeo Seong YOON, Jung Wook SON, Woo Hyeok JUN, Woo Seong LEE, Jeong Hyeon LEE, Sang Won LEE, Yong Su PARK
  • Publication number: 20220380634
    Abstract: Provided is an acrylic emulsion pressure-sensitive adhesive composition, and more particularly, an acrylic emulsion pressure-sensitive adhesive composition which may realize excellent adhesive properties, and may maintain excellent adhesive strength even after aging, in particular, when applied to a curved surface of an adherend, and thus may be usefully applied to labels for bottles, etc.
    Type: Application
    Filed: January 7, 2021
    Publication date: December 1, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Yong Su Park, Yoontae Hwang, YoonJung Kim, Sungjong Seo, Seung Hun Yang, Seungmo Lee
  • Publication number: 20210079271
    Abstract: An acrylic emulsion pressure-sensitive adhesive composition is provided. The pressure-sensitive composition includes a copolymer which is prepared by emulsion polymerization of a monomer mixture in the presence of a polymeric emulsifier. The pressure-sensitive adhesive composition exhibits an excellent adhesive force to both hydrophobic and hydrophilic base materials while leaving less residue is provided.
    Type: Application
    Filed: September 4, 2019
    Publication date: March 18, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Seungmo Lee, Seung Hun Yang, Yong Su Park, Yoontae Hwang, Hyo Min Kim, Sungjong Seo
  • Publication number: 20210062052
    Abstract: A hot-melt adhesive composition includes a styrene-budadiene-styrene triblock copolymer, a tackifier and a plastic oil. The hot-melt adhesive composition maintains a low-viscosity characteristic and thereby, can be melt-processed at relatively low temperatures and has improved processability. Further, the hot-melt adhesive composition is superior in terms of adhesive force and thermal resistance and also in terms of mechanical properties after curing, and thus can be used in various industrial fields.
    Type: Application
    Filed: December 10, 2018
    Publication date: March 4, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Yong Su Park, Tae Yun Kim, Yong Man Lee, Jin Young Ryu
  • Publication number: 20210054249
    Abstract: A hot-melt adhesive composition includes a styrene-butadiene-styrene triblock copolymer and a styrene-isoprene-styrene triblock copolymer. The hot-melt adhesive composition enables melt processing at a relatively low temperature because of having a low viscosity property and thus exhibits excellent adhesive strength and heat resistance while improving the processability. In particular, the melt adhesive composition has excellent mechanical properties after curing, and thus can be used in various industrial fields.
    Type: Application
    Filed: December 11, 2018
    Publication date: February 25, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Yong Su Park, Tae Yun Kim, Seungwhan Oh, Jin Young Ryu
  • Patent number: 10131825
    Abstract: Provided are an optical member, a pressure-sensitive adhesive composition, and an LCD. The optical member may have excellent endurance reliability even when a pressure-sensitive adhesive layer is formed to have a thickness of 20 ?m or less.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: November 20, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Se Woo Yang, Ki Seok Jang, Yong Su Park, Min Soo Park, Suk Ky Chang, Jong Rok Jeon
  • Patent number: 10023772
    Abstract: Provided are a pressure-sensitive adhesive composition, a pressure-sensitive adhesive optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. The pressure-sensitive adhesive composition offers a pressure-sensitive adhesive that has excellent durability and processability in manufacturing due to increased hardness even when the pressure-sensitive adhesive layer is formed thinner than a typical adhesive composition, and that can prevent a pressure mark and leakage of the pressure-sensitive adhesive, as well as a bending problem generated when applied on an optical member such as a polarizing plate, etc.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: July 17, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yong Su Park, Se Woo Yang, Suk Ky Chang, Min Soo Park, Eun Suk Park
  • Patent number: 10005063
    Abstract: The present invention relates to an iodine (I2) or bromine (Br2) adsorbent including a zeolite having a Si/Al ratio of 15 or greater; an I2 or Br2 carrier including the I2 or Br2 adsorbent; a column filled with the I2 or Br2 adsorbent; a article composed of the I2 or Br2 adsorbent or having the I2 or Br2 adsorbent attached thereto; a method for adsorbing or removing I2 or Br2 using the I2 or Br2 adsorbent; an iodine- or bromine-containing zeolite composite including a porous zeolite and iodine (I2) or bromine (Br2) confined in the pores of the zeolite; a semiconductor material including the iodine- or bromine-containing zeolite composite; and a method for preparing an iodine- or bromine-containing product using the iodine- or bromine-containing zeolite composite.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: June 26, 2018
    Assignee: Sogang University Research Foundation
    Inventors: Kyung Byung Yoon, Cao Than Tung Pham, Yong Su Park
  • Patent number: 9890257
    Abstract: The present invention relates to a protective film, a conductive laminate including the protective film, and a polarizing plate including the protective film, and provides the protective film which has peel strength controlled to be low, thus allowing for an easy removal of the protective film, which has an excellent polymerization stability and pot life, and may prevent a problem of an additive transfer to an adherend due to the additive.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: February 13, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hui Je Lee, Hyun Cheol Kim, Yong Su Park
  • Publication number: 20170327718
    Abstract: Provided are a pressure-sensitive adhesive composition, a pressure-sensitive adhesive optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. The pressure-sensitive adhesive composition offers a pressure-sensitive adhesive that has excellent durability and processability in manufacturing due to increased hardness even when the pressure-sensitive adhesive layer is formed thinner than a typical adhesive composition, and that can prevent a pressure mark and leakage of the pressure-sensitive adhesive, as well as a bending problem generated when applied on an optical member such as a polarizing plate, etc.
    Type: Application
    Filed: July 31, 2017
    Publication date: November 16, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Yong Su Park, Se Woo Yang, Suk Ky Chang, Min Soo Park, Eun Suk Park
  • Patent number: 9758705
    Abstract: Provided are a pressure-sensitive adhesive composition, a pressure-sensitive adhesive optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. The pressure-sensitive adhesive composition offers a pressure-sensitive adhesive that has excellent durability and processability in manufacturing due to increased hardness even when the pressure-sensitive adhesive layer is formed thinner than a typical adhesive composition, and that can prevent a pressure mark and leakage of the pressure-sensitive adhesive, as well as a bending problem generated when applied on an optical member such as a polarizing plate, etc.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: September 12, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Yong Su Park, Se Woo Yang, Suk Ky Chang, Min Soo Park, Eun Suk Park
  • Patent number: 9720267
    Abstract: Provided are a display panel, a backward diode equipped on a bottom surface of the display panel, a packaging film for packaging the backward diode, and a pressure-sensitive adhesive layer formed between the display panel and the packaging film. The packaging film includes a first region corresponding to a top surface of the backward diode, and a second region extending from the first region and corresponding to a side surface of the backward diode. Due to the display device, a bezel region can be minimized.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: August 1, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Se Woo Yang, Kum Suek Seo, Jong Sung Park, Min Soo Park, Ji Young Hwang, Jae Ho Jung, In Ju Mun, Yong Su Park
  • Publication number: 20170204294
    Abstract: Provided are an optical member, a pressure-sensitive adhesive composition, and an LCD. The optical member may have excellent endurance reliability even when a pressure-sensitive adhesive layer is formed to have a thickness of 20 ?m or less.
    Type: Application
    Filed: March 6, 2017
    Publication date: July 20, 2017
    Inventors: Se Woo YANG, Ki Seok JANG, Yong Su PARK, Min Soo PARK, Suk Ky CHANG, Jong Rok JEON
  • Publication number: 20160264828
    Abstract: Provided are a pressure-sensitive adhesive composition, a pressure-sensitive adhesive optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. The pressure-sensitive adhesive composition offers a pressure-sensitive adhesive that has excellent durability and processability in manufacturing due to increased hardness even when the pressure-sensitive adhesive layer is formed thinner than a typical adhesive composition, and that can prevent a pressure mark and leakage of the pressure-sensitive adhesive, as well as a bending problem generated when applied on an optical member such as a polarizing plate, etc.
    Type: Application
    Filed: June 18, 2014
    Publication date: September 15, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Yong Su Park, Se Woo Yang, Suk Ky Chang, Min Soo Park, Eun Suk Park
  • Publication number: 20160197365
    Abstract: A power generation system which generates electric power includes a fuel cell system in which supplied reactants react to generate electric power and a circulation system that circulates a product generated by the fuel cell system. The circulation system is configured to resupply at least some elements of the product generated by the fuel cell system as a reactant of the fuel cell system.
    Type: Application
    Filed: August 14, 2013
    Publication date: July 7, 2016
    Applicant: POSCO ENERGY CO., LTD.
    Inventors: Byung Jun KIM, Dong Eun KIM, Soo Taek KIM, Yong Su PARK
  • Publication number: 20160038912
    Abstract: The present invention relates to an iodine (I2) or bromine (Br2) adsorbent including a zeolite having a Si/Al ratio of 15 or greater; an I2 or Br2 carrier including the I2 or Br2 adsorbent; a column filled with the I2 or Br2 adsorbent; a article composed of the I2 or Br2 adsorbent or having the I2 or Br2 adsorbent attached thereto; a method for adsorbing or removing I2 or Br2 using the I2 or Br2 adsorbent; an iodine- or bromine-containing zeolite composite including a porous zeolite and iodine (I2) or bromine (Br2) confined in the pores of the zeolite; a semiconductor material including the iodine- or bromine-containing zeolite composite; and a method for preparing an iodine- or bromine-containing product using the iodine- or bromine-containing zeolite composite.
    Type: Application
    Filed: November 25, 2013
    Publication date: February 11, 2016
    Inventors: Kyung Byung Yoon, Cao Than Tung Pham, Yong Su Park
  • Publication number: 20150344747
    Abstract: Provided are a pressure sensitive adhesive composition, a conductive laminate protective film, and a conductive laminate. A cured product of the pressure sensitive adhesive composition according to the present application constitutes a pressure sensitive adhesive layer attached on a hard coating surface of a conductive laminate or the like, so that a surface of the conductive laminate or the like can be protected as well as that a peeling force can be maintained appropriately regardless of a peeling rate even after a heat treatment for sintering, and thus can be used for a protective film.
    Type: Application
    Filed: November 17, 2014
    Publication date: December 3, 2015
    Inventors: Yong Su PARK, Hui Je LEE, Hyun Cheol KIM, Yoon Kyung KWON, Hyon Gyu PARK, Hak Lim KIM, Dae Hyuck LEE, Say Young JUNG
  • Publication number: 20150315346
    Abstract: The present invention relates to a protective film, a conductive laminate including the protective film, and a polarizing plate including the protective film, and provides the protective film which has peel strength controlled to be low, thus allowing for an easy removal of the protective film, which has an excellent polymerization stability and pot life, and may prevent a problem of an additive transfer to an adherend due to the additive.
    Type: Application
    Filed: November 21, 2014
    Publication date: November 5, 2015
    Inventors: Hui Je LEE, Hyun Cheol KIM, Yong Su PARK
  • Patent number: D970015
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: November 15, 2022
    Assignee: CUREXO, INC.
    Inventors: Yong Yeob Cha, Yong Su Park