Patents by Inventor Beomshin Cho

Beomshin Cho 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).

  • Compound and organic light emitting device comprising the same
    Patent number: 11751470
    Abstract: There are provided a novel compound represented by the following Chemical Formula 1 and an organic light emitting device using the same, wherein m, n, R, R4, R5, L1 and Ar1 to Ar3 are defined therein.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: September 5, 2023
    Inventors: Yongwook Kim, Young Kwang Kim, Beomshin Cho, Jaesoon Bae, Jaechol Lee, Yebyeol Kim
  • Novel Compound and Organic Light Emitting Device Comprising the Same
    Publication number: 20230180596
    Abstract: The present disclosure provides a novel compound of the following Chemical Formula 1 and an organic light emitting device including the same, wherein all the variables are descried herein.
    Type: Application
    Filed: June 22, 2021
    Publication date: June 8, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Byeong Yun Lim, Jaechol Lee, Yongwook Kim, Soyoung Yu, Shin Sung Kim, Young Kwang Kim, Beomshin Cho
  • Novel Compound and Organic Light Emitting Device Comprising the Same
    Publication number: 20230115435
    Abstract: The present disclosure provides a novel compound of Chemical Formula 1 and an organic light emitting device including the same, X1, X2, A4, A5, Ar1, Ar2, and R1 to R4 are described herein.
    Type: Application
    Filed: July 19, 2021
    Publication date: April 13, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Shin Sung Kim, Jaechol Lee, Yongwook Kim, Young Kwang Kim, Byeong Yun Lim, Beomshin Cho, Hyunju Choi
  • Biodegradable Super Absorbent Polymer and Method for Producing the Same
    Publication number: 20230087087
    Abstract: The present disclosure provides a biodegradable super absorbent polymer including a crosslinked polymer of a monomer including a modified polysaccharide having a maleic acid group (—OCOCH?CHCOOH) and a sulfosuccinic acid group (—OCOCH(SO3H)CH2COOH), which exhibits excellent biodegradability without deterioration in physical properties of the super absorbent polymer such as centrifuge retention capacity and absorbency under pressure, and a method for producing the same.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 23, 2023
    Applicant: LG Chem, Ltd.
    Inventors: Hyungsam Choi, Haesung Yun, Kyungrok Ham, Beomshin Cho, Donghwan Lee, Ji Myeong Lee, Seonjung Jung, Soonhee Kang
  • Compound, coating composition comprising same, organic light-emitting element using same, and manufacturing method therefor
    Patent number: 11557737
    Abstract: The present specification relates to a compound of Formula 1, a coating composition including the compound, an organic light emitting device formed by using the coating composition, and a manufacturing method thereof.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: January 17, 2023
    Inventors: Young Kwang Kim, Jaesoon Bae, Jaechol Lee, Yongwook Kim, Jiyeon Shin, Beomshin Cho
  • Novel Compound and Organic Light Emitting Device Comprising the Same
    Publication number: 20220085295
    Abstract: The present disclosure provides a novel heterocyclic compound represented by the following Chemical Formula 1 and an organic light emitting device comprising the same: wherein R1, R2, L, X, Z1, Z2, L1, L2, and Ar1 to Ar4 are described herein.
    Type: Application
    Filed: February 24, 2020
    Publication date: March 17, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Yongwook Kim, Jaesoon Bae, Jaechol Lee, Young Kwang Kim, Juhwan Kim, Dongyoon Khim, Beomshin Cho
  • Novel Compound And Organic Light Emitting Device Comprising The Same
    Publication number: 20210234105
    Abstract: There are provided a novel compound represented by the following Chemical Formula 1 and an organic light emitting device using the same, wherein m, n, R, R4, R5, L1 and Ar1 to Ar3 are defined therein.
    Type: Application
    Filed: September 30, 2019
    Publication date: July 29, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Yongwook Kim, Young Kwang Kim, Beomshin Cho, Jaesoon Bae, Jaechol Lee, Yebyeol Kim
  • Compound, Coating Composition Comprising Same, Organic Light-Emitting Element Using Same, and Manufacturing Method Therefor
    Publication number: 20200313099
    Abstract: The present specification relates to a compound of Formula 1, a coating composition including the compound, an organic light emitting device formed by using the coating composition, and a manufacturing method thereof.
    Type: Application
    Filed: August 23, 2019
    Publication date: October 1, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Young Kwang Kim, Jaesoon Bae, Jaechol Lee, Yongwook Kim, Jiyeon Shin, Beomshin Cho