Patents by Inventor Eun-young Choi

Eun-young Choi 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).

  • Publication number: 20200254714
    Abstract: A laminate and a method for producing a patterned substrate using the same are disclosed herein. In some embodiments, a laminate includes a substrate, and a stripe pattern having first and second polymer lines alternately and repeatedly disposed on the substrate, wherein the first polymer line comprises a first polymer having a first polymerized unit having a ring structure connected to a main chain and a second polymerized unit represented by Formula 1. The method may be applied to manufacture of devices, such as electronic devices, or of applications, such as integrated optical systems, guidance and detection patterns of magnetic domain memories, flat panel displays, liquid crystal displays (LCDs), thin film magnetic heads or organic light emitting diodes, and may be used to build a pattern on a surface used in manufacture of discrete track media, such as integrated circuits, bit-patterned media and/or magnetic storage devices such as hard drives.
    Type: Application
    Filed: September 17, 2018
    Publication date: August 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Na Na Kang, Se Jin Ku, Mi Sook Lee, Eung Chang Lee, Eun Young Choi, Sung Soo Yoon, No Jin Park, Je Gwon Lee, Hyung Ju Ryu, Yoon Hyung Hur
  • Publication number: 20200239701
    Abstract: The present application relates to a pinning composition, a laminate comprising the same, and a method for producing the same. The pinning composition of the present application can impart directionality and location selection properties to a polymer membrane comprising a self-assembly structure of a block copolymer. The pinning composition of the present application exhibits excellent reaction selectivity, whereby it can form a vertical lamella structure with a high degree of alignment. In addition, the pinning composition of the present application may be suitable for application to low temperature processes.
    Type: Application
    Filed: October 29, 2018
    Publication date: July 30, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Se Jin Ku, Mi Sook Lee, Na Na Kang, Eung Chang Lee, Sung Soo Yoon, No Jin Park, Je Gwon Lee, Eun Young Choi, Hyung Ju Ryu, Yoon Hyung Hur
  • Patent number: 10728069
    Abstract: A method for automatically detecting a packet mode in a wireless communication system supporting a multiple transmission mode includes: acquiring at least one of data rate information, packet length information and channel bandwidth information from a transmitted frame; and determining the packet mode on the basis of the phase rotation check result of a symbol transmitted after a signal field signal and at least one of the data rate information, the packet length information and the channel bandwidth information acquired from the transmitted frame.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: July 28, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: IL-Gu Lee, Eun-Young Choi, Sok-Kyu Lee
  • Patent number: 10723775
    Abstract: The present invention relates to a method for purifying darbepoetin alfa by selectively separating only a structural isoform having a high content of sialic acid from a mixture of structural isoforms of darbepoetin alfa having various contents of sialic acid. Since the method of the present invention is a novel method for purifying darbepoetin alfa which can be conveniently and simply produced, it is possible to remarkably increase productivity due to process efficiency improvement, as well as to yield high purity darbepoetin alfa when mass-producing darbepoetin alfa according to the present invention.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: July 28, 2020
    Assignee: CJ Healthcare Corporation
    Inventors: Yoon Jung Lee, Kyung Hwa Kim, Yoo Hee Yang, Jung Min Yoo, Se Jun Kim, Ji Hyun Moon, Hoo Keun Oh, Dong Eok Lee, Won Jeong Lee, Jung Rok Lee, Chung Min Lee, Eun Young Choi, Gyong Sik Ha
  • Publication number: 20200140716
    Abstract: A neutral layer composition, which is capable of forming a neutral layer that can effectively control orientation characteristics of various block copolymers is provided.
    Type: Application
    Filed: July 16, 2018
    Publication date: May 7, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Eun Young Choi, No Jin Park, Je Gwon Lee, Yoon Hyung Hur, Sung Soo Yoon
  • Publication number: 20200131296
    Abstract: The present application can provide a block copolymer and a use thereof. The block copolymer of the present application can have excellent self-assembly properties or phase separation characteristics and excellent etching selectivity, and various other functions as required can be freely imparted thereto.
    Type: Application
    Filed: November 29, 2017
    Publication date: April 30, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Je Gwon Lee, No Jin Park, Jung Keun Kim, Eun Young Choi, Se Jin Ku, Mi Sook Lee, Hyung Ju Ryu, Sung Soo Yoon
  • Patent number: 10633533
    Abstract: The present application provides a block copolymer and uses thereof. The block copolymer of the present application exhibits an excellent self-assembling property or phase separation property, can be provided with a variety of required functions without constraint and, especially, etching selectivity can be secured, making the block copolymer effectively applicable to such uses as pattern formation.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: April 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Mi Sook Lee, Jung Keun Kim, Se Jin Ku, No Jin Park, Je Gwon Lee, Eun Young Choi, Sung Soo Yoon, Hyung Ju Ryu
  • Publication number: 20200128439
    Abstract: In the present invention, data generated from a source unit are distributed to at least one bandwidth; the data distributed to the respective bandwidths are encoded in order to perform an error correction; the encoded data are distributed to at least one antenna; a subcarrier is allocated to the data distributed to the respective antennas, and an inverse Fourier transform is performed; a short preamble and a first long preamble corresponding to the subcarrier are generated; a signal symbol is generated according to a data transmit mode; and a frame is generated by adding a second long preamble between the signal symbol and a data field for the purpose of estimating a channel of a subcarrier which is not used.
    Type: Application
    Filed: December 19, 2019
    Publication date: April 23, 2020
    Inventors: Hee-Jung YU, Taehyun JEON, Myung-Soon KIM, Eun-Young CHOI, Sok-kyu LEE, Deuk-Su LYU
  • Publication number: 20200112846
    Abstract: A transmission method of a base station is provided. The base station generates a first discovery signal block including a first PSS (primary synchronization signal) and a first SSS (secondary synchronization signal). The base station generates a second discovery signal block including a second PSS and a second SSS. Also, the base station transmits the first discovery signal block and the second discovery signal block.
    Type: Application
    Filed: December 4, 2019
    Publication date: April 9, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung-Hyun MOON, Cheulsoon KIM, Ji Hyung KIM, Minhyun KIM, Junghoon LEE, Eun-Young CHOI
  • Publication number: 20200056002
    Abstract: The present application relates to a block copolymer and a use thereof. The present application can provide a laminate which is capable of forming a highly aligned block copolymer on a substrate and thus can be effectively applied to production of various patterned substrates, and a method for producing a patterned substrate using the same.
    Type: Application
    Filed: November 29, 2017
    Publication date: February 20, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Mi Sook Lee, Se Jin Ku, No Jin Park, Jung Keun Kim, Je Gwon Lee, Hyung Ju Ryu, Eun Young Choi
  • Patent number: 10547998
    Abstract: A transmission method of a base station is provided. The base station generates a first discovery signal block including a first PSS (primary synchronization signal) and a first SSS (secondary synchronization signal). The base station generates a second discovery signal block including a second PSS and a second SSS. Also, the base station transmits the first discovery signal block and the second discovery signal block.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: January 28, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung-Hyun Moon, Cheulsoon Kim, Ji Hyung Kim, Minhyun Kim, Junghoon Lee, Eun-Young Choi
  • Publication number: 20190375904
    Abstract: The present application relates to a block copolymer and a use thereof. The present application can provide a laminate which is capable of forming a highly aligned block copolymer on a substrate and thus can be effectively applied to production of various patterned substrates, and a method for producing a patterned substrate using the same.
    Type: Application
    Filed: November 29, 2017
    Publication date: December 12, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Mi Sook Lee, Se Jin Ku, No Jin Park, Jung Keun Kim, Je Gwon Lee, Eun Young Choi, Hyung Ju Ryu, Sung Soo Yoon
  • Publication number: 20190345300
    Abstract: A method for producing a polymer film is disclosed herein. The method is capable of effectively forming a polymer film on a substrate, where the polymer film comprises highly aligned block copolymers without orientation defects, coordination number defects, distance defects, and the like. The method can be applied to production of various patterned substrates.
    Type: Application
    Filed: May 29, 2019
    Publication date: November 14, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Hyung Ju Ryu, Se Jin Ku, Mi Sook Lee, Sung Soo Yoon, No Jin Park, Jung Keun Kim, Je Gwon Lee, Eun Young Choi
  • Publication number: 20190292291
    Abstract: The present application may provide a block copolymer and a use thereof. The block copolymer of the present application has excellent self-assembly properties or phase separation characteristics, to which various functions to be required can also be freely imparted.
    Type: Application
    Filed: November 29, 2017
    Publication date: September 26, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Hyung Ju Ryu, Je Gwon Lee, Se Jin Ku, Eun Young Choi, Sung Soo Yoon, No Jin Park, Jung Keun Kim, Mi Sook Lee
  • Publication number: 20190292286
    Abstract: A polymer composition, methods and a use thereof are disclosed herein. The polymer composition having excellent self-assembly properties and capable of forming a vertical orientation structure even on a surface that no neutral treatment is performed, where the vertically oriented self-assembled structure can be effectively formed in a short time.
    Type: Application
    Filed: November 29, 2017
    Publication date: September 26, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Se Jin Ku, Mi Sook Lee, Hyung Ju Ryu, Sung Soo Yoon, No Jin Park, Jung Keun Kim, Je Gwon Lee, Eun Young Choi
  • Publication number: 20190289498
    Abstract: In the present invention, data generated from a source unit are distributed to at least one bandwidth; the data distributed to the respective bandwidths are encoded in order to perform an error correction; the encoded data are distributed to at least one antenna; a subcarrier is allocated to the data distributed to the respective antennas, and an inverse Fourier transform is performed; a short preamble and a first long preamble corresponding to the subcarrier are generated; a signal symbol is generated according to a data transmit mode; and a frame is generated by adding a second long preamble between the signal symbol and a data field for the purpose of estimating a channel of a subcarrier which is not used.
    Type: Application
    Filed: June 4, 2019
    Publication date: September 19, 2019
    Inventors: Hee-Jung YU, Taehyun Jeon, Myung-Soon KIM, Eun-Young CHOI, Sok-kyu LEE, Deuk-Su LYU
  • Publication number: 20190276658
    Abstract: The present application relates to a polymer composition and a use thereof. The present application may provide a polymer composition having excellent self-assembly properties and capable of forming a vertical orientation structure even on a surface that no neutral treatment is performed, where the vertically oriented self-assembled structure can be effectively formed in a short time, and a use thereof.
    Type: Application
    Filed: November 29, 2017
    Publication date: September 12, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Se Jin Ku, Mi Sook Lee, Hyung Ju Ryu, Sung Soo Yoon, No Jin Park, Jung Keun Kim, Je Gwon Lee, Eun Young Choi
  • Publication number: 20190278172
    Abstract: The present application relates to a method for preparing a patterned substrate. The method may be applied to a process of manufacturing devices such as, for example, electronic devices and integrated circuits, or other applications, such as manufacture of integrated optical systems, guidance and detection patterns of magnetic domain memories, flat panel displays, liquid crystal displays (LCDs), thin film magnetic heads or organic light emitting diodes, and the like, and may also be used to build a pattern on a surface used in manufacture of discrete track media, such as integrated circuits, bit-patterned media and/or magnetic storage devices such as hard drives.
    Type: Application
    Filed: December 13, 2017
    Publication date: September 12, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Mi Sook Lee, Se Jin Ku, No Jin Park, Jung Keun Kim, Je Gwon Lee, Eun Young Choi, Hyung Ju Ryu, Sung Soo Yoon
  • Patent number: 10393490
    Abstract: A length measuring device and a length measuring system are provided, in which the length measuring device includes a casing, a first rotating portion accommodated in the casing, and rotated with a portion of a circumference thereof being exposed out of the casing and in contact with an object to be measured, a first sensing portion which senses an amount of rotation of the first rotating portion, and a controller which converts the amount of rotation of the first rotating portion into length measurement. Additionally, the length measuring device may further include a second rotating portion coiled with a strip by a plurality of times, and rotated according to the strip being withdrawn or retracted through an outlet formed in the casing, and a second sensing portion which senses an amount of rotation of the second rotating portion, in which the controller may convert the amount of rotation of the second rotating portion into length measurement.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: August 27, 2019
    Assignee: BAGEL LABS CO., LTD.
    Inventors: Soo-Hong Park, Eun Young Choi
  • Publication number: 20190256637
    Abstract: The present application may provide a block copolymer and a use thereof. The block copolymer of the present application has excellent self-assembly properties or phase separation characteristics, to which various functions to be required can also be freely imparted.
    Type: Application
    Filed: November 29, 2017
    Publication date: August 22, 2019
    Applicant: LG Chem, Ltd.
    Inventors: No Jin Park, Jung Keun Kim, Je Gwon Lee, Sung Soo Yoon, Se Jin Ku, Mi Sook Lee, Eun Young Choi, Hyung Ju Ryu