Patents by Inventor Han Na Chi

Han Na Chi 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: 11180597
    Abstract: The present invention relates to a polymer composition, an optical laminate and a display device, and can provide a polymer composition capable of forming a pressure-sensitive adhesive layer which has excellent workability, durability and dimensional stability and is capable of effectively alleviating the bending phenomenon of the display, through a polymer capable of forming a physically cross-linked structure together with a chemically cross-linked structure. In addition, the present invention can provide an optical laminate comprising a cross-linked product of the polymer composition and a display device comprising the same.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: November 23, 2021
    Assignee: SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD.
    Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Han Na Chi, Sang Ha Son, Su Jee Kwon, Chang Hwan Ju, Geun Ho Park, Kyung Oh Kim
  • Patent number: 11130887
    Abstract: The present application relates to a pressure-sensitive adhesive composition, an optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. In the present application, a pressure-sensitive adhesive composition having all excellent physical properties such as endurance reliability and interface adhesiveness and being capable of minimizing light leakage occurring under high temperature or high-temperature and humidity conditions can be provided. The pressure-sensitive adhesive composition of the present application can be used for an optical film such as a protective film and a polarizing plate.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: September 28, 2021
    Inventors: Han Na Chi, Sung Soo Yoon, Kee Young Kim, Sang Hyun Hong, Su Jee Kwon
  • Publication number: 20210163800
    Abstract: A pressure-sensitive adhesive composition, an optical laminate, a polarizing plate and a display device are provided. The pressure-sensitive adhesive composition includes a block copolymer containing a first block having a glass transition temperature of 50° C. or more and having a cross-linkable functional group, a second block having a glass transition temperature of ?10° C. or less, and an epoxysilane compound. The pressure-sensitive adhesive composition according to the present application can provide excellent durability and excellent optical characteristics with respect to the pressure-sensitive adhesive polarizing plate.
    Type: Application
    Filed: July 25, 2019
    Publication date: June 3, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Han Na Chi, Su Jeong Kim, Sang Ha Son, Chang Hwan Ju, Geun Ho Park, Seong In Jo, Sung Soo Yoon
  • Patent number: 10968372
    Abstract: A pressure-sensitive adhesive composition that improves not only durability but also bending characteristics of a polarizing plate, an optical laminate and a polarizing plate, both of which are prepared with said pressure-sensitive adhesive composition, and a display device comprising the optical laminate and the polarizing plate.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: April 6, 2021
    Inventors: Geun Ho Park, Sang Ha Son, Sung Soo Yoon, Han Na Chi, Su Jee Kwon, Jeong Ae Yoon, Su Jeong Kim, Chang Hwan Ju, Kyung Oh Kim
  • Patent number: 10586987
    Abstract: The present invention relates to a binder for a lithium-sulfur secondary battery cathode, and a composition containing the same. The binder of the present application enables a cathode active material electrolyte to have excellent resistance.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: March 10, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jeong Ae Yoon, Charles Kiseok Song, Ki Young Kwon, Sung Soo Yoon, Han Na Chi, Doo Kyung Yang
  • Patent number: 10545367
    Abstract: The present invention relates to a pressure-sensitive adhesive composition, an optical member, a polarizing plate, and a display device. The pressure-sensitive adhesive composition according to an embodiment of the present invention may form a pressure-sensitive adhesive which has excellent general physical properties such as coating properties, endurance reliability, or the like, and which may stably maintain the physical properties for the long term. Further, the pressure-sensitive adhesive composition may be particularly applied to various optical films, thereby forming the pressure-sensitive adhesive layer which exhibits excellent adhesion with the optical film, and when the pressure-sensitive adhesive composition is applied to the polarizing plate, bending properties may be effectively prevented.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: January 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Min Ki Lee, Sung Soo Yoon, Su Jeong Kim, Sang Hyun Hong, Jeong Ae Yoon, Han Na Chi
  • Publication number: 20200010600
    Abstract: The present invention relates to a polymer composition, an optical laminate and a display device, and can provide a polymer composition capable of forming a pressure-sensitive adhesive layer which has excellent workability, durability and dimensional stability and is capable of effectively alleviating the bending phenomenon of the display, through a polymer capable of forming a physically cross-linked structure together with a chemically cross-linked structure. In addition, the present invention can provide an optical laminate comprising a cross-linked product of the polymer composition and a display device comprising the same.
    Type: Application
    Filed: September 7, 2017
    Publication date: January 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Han Na Chi, Sang Ha Son, Su Jee Kwon, Chang Hwan Ju, Geun Ho Park, Kyung Oh Kim
  • Publication number: 20190264077
    Abstract: A pressure-sensitive adhesive composition that improves not only durability but also bending characteristics of a polarizing plate, an optical laminate and a polarizing plate, both of which are prepared with said pressure-sensitive adhesive composition, and a display device comprising the optical laminate and the polarizing plate.
    Type: Application
    Filed: September 22, 2017
    Publication date: August 29, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Geun Ho Park, Sang Ha Son, Sung Soo Yoon, Han Na Chi, Su Jee Kwon, Jeong Ae Yoon, Su Jeong Kim, Chang Hwan Ju, Kyung Oh Kim
  • Patent number: 10308751
    Abstract: A block copolymer, a method for preparing a block copolymer, a resin composition, and a film are provided. The block copolymer can be useful in inhibiting complete separation of the hard segment even under a severe high-temperature condition by increasing the chemical cross-linking density around the hard segment without causing an increase in glass transition temperature of the hard segment, thereby maintaining high-temperature durability.
    Type: Grant
    Filed: September 1, 2014
    Date of Patent: June 4, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Min Ki Lee, Kee Young Kim, Han Na Chi, Sang Hyun Hong, Jeong Sik Bae
  • Publication number: 20180282589
    Abstract: The present application relates to a pressure-sensitive adhesive composition, an optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. In the present application, a pressure-sensitive adhesive composition having all excellent physical properties such as endurance reliability and interface adhesiveness and being capable of minimizing light leakage occurring under high temperature or high-temperature and humidity conditions can be provided. The pressure-sensitive adhesive composition of the present application can be used for an optical film such as a protective film and a polarizing plate.
    Type: Application
    Filed: December 9, 2016
    Publication date: October 4, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Han Na Chi, Sung Soo Yoon, Kee Young Kim, Sang Hyun Hong, Su Jee Kwon
  • Patent number: 9976062
    Abstract: The present applicant relates to a pressure-sensitive adhesive composition, and optical laminate, a polarizing plate, and a display device. In an embodiment of the present applicant, the pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive which has an excellent cohesive force or stress relaxation property, and thus has superior endurance reliability and light leakage suppression performance or the like may be provided. The pressure-sensitive adhesive composition according to an embodiment of the present applicant may be used, for example, for an optical film such as a polarizing plate or the like.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: May 22, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Sang Hyun Hong, Sung Soo Yoon, Min Ki Lee, Su Jeong Kim, Jeong Ae Yoon, Han Na Chi
  • Patent number: 9957424
    Abstract: The present invention relates to a pressure-sensitive adhesive composition, a pressure-sensitive adhesive optical member, a pressure-sensitive adhesive polarizing plate, and a display device. The pressure-sensitive adhesive composition of the present invention can form a pressure-sensitive adhesive having excellent durability and light leakage prevention property under severe conditions such as a high temperature condition, a high temperature and high humidity condition, or under a severe condition where a high temperature/high humidity and a normal temperature/low humidity are repeated.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: May 1, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Min Ki Lee, No Ma Kim, Jeong Ae Yoon, Kee Young Kim, Han Na Chi
  • Publication number: 20180114988
    Abstract: The present invention relates to a binder for a lithium-sulfur secondary battery cathode, and a composition containing the same. The binder of the present application enables a cathode active material electrolyte to have excellent resistance.
    Type: Application
    Filed: October 26, 2016
    Publication date: April 26, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Ae Yoon, Charles Kiseok Song, Ki Young Kwon, Sung Soo Yoon, Han Na Chi, Doo Kyung Yang
  • Patent number: 9798184
    Abstract: A pressure-sensitive adhesive composition is provided. The pressure-sensitive adhesive composition shows stable antistatic performance, and in particular, stably maintains its antistatic performance even when the pressure-sensitive adhesive composition is kept for an extended time under extreme conditions or conditions in which environmental changes are severe, and also has excellent general physical properties such as pressure-sensitive adhesive properties, durability and workability.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: October 24, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Sung Soo Yoon, No Ma Kim, Kee Young Kim, Min Ki Lee, Han Na Chi
  • Patent number: 9777194
    Abstract: The present invention relates to a pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition of the present invention can provide a pressure-sensitive adhesive having low time-dependency of dependability and adhesion strength and having excellent interfacial adhesion strength. After being applied to an optical member such as a polarizing plate, the pressure-sensitive adhesive composition exhibits excellent interfacial adhesion strength and maintains excellent dependability without time-dependency.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: October 3, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Min Ki Lee, No Ma Kim, Sung Soo Yoon, Han Na Chi, Su Jeong Kim
  • Patent number: 9738819
    Abstract: Provided are a pressure-sensitive adhesive composition, an optical member, a polarizing plate and a display device. The pressure-sensitive adhesive composition having physical properties required for an optical member using a particular block copolymer and an antioxidant or a photostabilizer, which forms a fine phase change region in a crosslinking structure, and particularly having excellent bending preventability and storage stability may be provided. Such a pressure-sensitive adhesive composition may be used for optical uses, for example, to laminate various optical members, or apply an optical member to a display device.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: August 22, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Han Na Chi, No Ma Kim, Jeong Ae Yoon, Sung Soo Yoon, Min Ki Lee
  • Publication number: 20170110733
    Abstract: The present application relates to a cathode, a method of manufacturing the same, and a battery including the same. The present application may provide a cathode and a method of manufacturing the same, wherein the cathode comprises an active material layer that contains an acrylic polymer and exhibits excellent resistance to an electrolyte, excellent dispersion of its components and great adhesion to a current collector.
    Type: Application
    Filed: July 9, 2015
    Publication date: April 20, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Ae Yoon, Han Na Chi, Sung Soo Yoon, Su Jee Kwon
  • Patent number: 9428675
    Abstract: Provided are a pressure-sensitive adhesive composition, an optical laminate, a pressure-sensitive adhesive polarizing plate and a display device. When a particular block copolymer forming a micro phase separation region in a crosslinking structure is used, and a cohesive strength of the block copolymer is controlled, a pressure-sensitive adhesive composition having excellent physical properties required for an optical member, and particularly having excellent bending preventability, cuttability and pressure-sensitive adhesive durability may be provided. Such a pressure-sensitive adhesive composition may be used for optical uses, for example, to laminate various optical members, or apply an optical member to a display device.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: August 30, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Han Na Chi, No Ma Kim, Sung Soo Yoon, Min Ki Lee, Su Jeong Kim
  • Publication number: 20160230054
    Abstract: The present invention relates to a pressure-sensitive adhesive composition, an optical member, a polarizing plate, and a display device. The pressure-sensitive adhesive composition according to an embodiment of the present invention may form a pressure-sensitive adhesive which has excellent general physical properties such as coating properties, endurance reliability, or the like, and which may stably maintain the physical properties for the long term. Further, the pressure-sensitive adhesive composition may be particularly applied to various optical films, thereby forming the pressure-sensitive adhesive layer which exhibits excellent adhesion with the optical film, and when the pressure-sensitive adhesive composition is applied to the polarizing plate, bending properties may be effectively prevented.
    Type: Application
    Filed: November 26, 2014
    Publication date: August 11, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Min Ki Lee, Sung Soo Yoon, Su Jeong Kim, Sang Hyun Hong, Jeong Ae Yoon, Han Na Chi
  • Publication number: 20160208039
    Abstract: A block copolymer, a method for preparing a block copolymer, a resin composition, and a film are provided. The block copolymer can be useful in inhibiting complete separation of the hard segment even under a severe high-temperature condition by increasing the chemical cross-linking density around the hard segment without causing an increase in glass transition temperature of the hard segment, thereby maintaining high-temperature durability.
    Type: Application
    Filed: September 1, 2014
    Publication date: July 21, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Min Ki Lee, Kee Young Kim, Han Na Chi, Sang Hyun Hong, Jeong Sik Bae