Patents by Inventor Hyun Jee Yoo

Hyun Jee Yoo 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: 11700744
    Abstract: The present application provides an encapsulation film comprising an encapsulation layer, a metal layer, and a protective layer. The encapsulation film provides a structure capable of blocking moisture or oxygen introduced into an organic electronic device from the outside, minimizes the appearance change of the film due to excellent handling properties and processability, and prevents physical and chemical damage during encapsulation process.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: July 11, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Yul Bae, Hyun Jee Yoo, Jung Woo Lee, Se Woo Yang
  • Patent number: 11370942
    Abstract: The present invention relates to a pressure-sensitive adhesive composition and a pressure-sensitive adhesive film including the same, and provides a pressure-sensitive adhesive composition and a pressure-sensitive adhesive film which may prevent damage to an element from moisture contained in the composition, ionic substances, and other foreign substances, and effectively block electrochemical corrosion, thereby improving a lifetime and durability of an organic electronic device.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: June 28, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yoon Gyung Cho, Hyun Jee Yoo, Kyung Yul Bae, Suk Ky Chang, Jung Sup Shim
  • Patent number: 11342534
    Abstract: The present application relates to an encapsulation film, a method for producing the same, an organic electronic device comprising the same, and a method for preparing an organic electronic device using the same, which allows forming a structure capable of blocking moisture or oxygen introduced into an organic electronic device from the outside, and can prevent occurrence of bright spots of the organic electronic device.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: May 24, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jung Ok Moon, Hyun Jee Yoo, Yeong Bong Mok, Se Woo Yang
  • Patent number: 11223028
    Abstract: Provided are an encapsulation film, a product for encapsulating an organic electronic device (OED) using the same, and a method of encapsulating an OED. The encapsulation film may effectively block moisture or oxygen permeating into the OED from an external environment, provide high reliability due to increases in a lifespan and durability of the OED, and minimize align errors in a process of attaching the film to a substrate.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: January 11, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Seung Min Lee, Hyun Suk Kim, Suk Ky Chang, Jung Ok Moon
  • Patent number: 11142669
    Abstract: An adhesive, and an encapsulated product and method of encapsulating an organic electronic device (OED) using the same are provided. The adhesive film serves to encapsulate the OED and includes a curable resin and a moisture absorbent, and the adhesive includes a first region coming in contact with the OED upon encapsulation of the OED and a second region not coming in contact with the OED. Also, the moisture absorbent is present at contents of 0 to 20% and 80 to 100% in the first and second regions, respectively, based on the total weight of the moisture absorbent in the adhesive.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: October 12, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Yoon Gyung Cho, Suk Ky Chang, Jung Sup Shim, Suk Chin Lee, Kwang Jin Jeong
  • Publication number: 20210226157
    Abstract: An encapsulation film, an organic electronic device comprising the same, and a method for manufacturing the organic electronic device using the same, and the encapsulation film which forms a structure capable of blocking moisture or oxygen penetrating from the outside into the organic electronic device, effectively releases the heat accumulated in the organic electronic device, realizes endurance reliability under severe conditions of high temperature and high humidity, and prevents deterioration of the organic electronic device.
    Type: Application
    Filed: June 5, 2019
    Publication date: July 22, 2021
    Inventors: Yeong Bong Mok, Hyun Jee Yoo, Jung Ok Moon, Kyung Yul Bae, Jung Woo Lee, Se Woo Yang
  • Publication number: 20210202909
    Abstract: An organic electronic device including a substrate, an organic electronic element formed on the substrate, and an encapsulation film encapsulating the organic electronic element. The organic electronic element includes a transparent electrode formed on the substrate, and a light emitting organic material layer formed on the transparent electrode. The light emitting organic material layer includes a hole transport layer, an emitting layer and an electron transport layer. The encapsulation film includes a pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer includes a pressure-sensitive adhesive composition or a crosslinked product thereof. The pressure-sensitive adhesive composition includes a polymer derived from butylene, and has a Mooney viscosity (?*) of 5000 Pa·s to 107 Pa·s measured by a shear stress using a planar jig having a diameter of 8 mm at a strain of 5%, a frequency of 1 Hz and any one temperature point in the range of 30° C. to 150° C.
    Type: Application
    Filed: March 17, 2021
    Publication date: July 1, 2021
    Inventors: Hyun Jee Yoo, Hyun Suk Kim, Jung Ok Moon, Se Woo Yang
  • Patent number: 10937990
    Abstract: The present application relates to an encapsulation film, a method of manufacturing the same, an organic electronic device including the same, and a method of manufacturing the organic electronic device using the same. The present application provides an encapsulation film which can be formed to have a structure in which moisture or oxygen flowing from the outside into an organic electronic device can be effectively blocked, has excellent handling properties and processability, and also has excellent bonding properties with an organic electronic element and durability.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: March 2, 2021
    Assignee: LG CHEM LTD.
    Inventors: Hyun Jee Yoo, Hyun Suk Kim, Jung Ok Moon, Se Woo Yang, Jae Jin Kim, Dae Han Seo, Min Soo Song, Jung Woo Lee
  • Patent number: 10910594
    Abstract: The present application relates to an encapsulation film, a method for manufacturing the same, a method for manufacturing an organic electronic device using the same, and an organic electronic device comprising the same, and provides an encapsulation film which allows forming a structure capable of effectively blocking moisture or oxygen introduced into the organic electronic device from the outside, and has excellent handleability and processability, and excellent bonding property between the encapsulation layer and the panel of the organic electronic device and endurance reliability.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: February 2, 2021
    Assignee: LG CHEM LTD.
    Inventors: Jung Woo Lee, Hyun Jee Yoo, Hyun Suk Kim, Jung Ok Moon, Se Woo Yang
  • Patent number: 10864706
    Abstract: The present application relates to an encapsulating film, a reliability assessment therefor, an organic electronic apparatus comprising the encapsulating film, and a method for producing an organic electronic apparatus which has used the encapsulating film, and provides: a reliability assessment method which can predict the reliability of the encapsulating film before same is applied to the organic electronic apparatus, the encapsulating film blocking moisture or oxygen from the outside entering the organic electronic apparatus; and the encapsulating film which can block moisture with high reliability.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: December 15, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Suk Kim, Hyun Jee Yoo, Jung Ok Moon, Jung Woo Lee, Se Woo Yang
  • Publication number: 20200381664
    Abstract: The present application provides an encapsulation film comprising an encapsulation layer, a metal layer, and a protective layer. The encapsulation film provides a structure capable of blocking moisture or oxygen introduced into an organic electronic device from the outside, minimizes the appearance change of the film due to excellent handling properties and processability, and prevents physical and chemical damage during encapsulation process.
    Type: Application
    Filed: December 18, 2018
    Publication date: December 3, 2020
    Inventors: Kyung Yul BAE, Hyun Jee YOO, Jung Woo LEE, Se Woo YANG
  • Publication number: 20200325361
    Abstract: A temperature-variable adhesive sheet, and a method for manufacturing a temperature-variable adhesive sheet using the same are provided. The adhesive sheet includes a first adhesive layer and a second adhesive layer consecutively provided on a barrier film, wherein initial adhesive strength between the second adhesive layer and a SUS304 substrate is 200 gf/in or less, and adhesive strength, after 20 minutes passed under a condition of 50° C. and 5 atmospheres, is 400 gf/in or greater.
    Type: Application
    Filed: January 11, 2019
    Publication date: October 15, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hui Je Lee, Yoonkyung Kwon, Hyun Jee Yoo, Kyung Yul Bae
  • Patent number: 10752814
    Abstract: Provided are a pressure-sensitive adhesive composition, a pressure-sensitive adhesive film, and a method of manufacturing an organic electronic device using the same. The pressure-sensitive adhesive composition that may effectively prevent moisture or oxygen added to an organic electronic device from an external environment, and exhibit reliability under harsh conditions such as high temperature and high humidity and excellent optical characteristics, and a pressure-sensitive adhesive film including the same are provided.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: August 25, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sang Min Park, Yoon Gyung Cho, Kyung Yul Bae, Hyun Jee Yoo, Jung Sup Shim, Min Soo Park
  • Patent number: 10720600
    Abstract: Provided are an encapsulation film, an organic electronic device (OED) comprising the same, and a method of manufacturing the organic electronic device. When the organic electronic device is encapsulated using the encapsulation film, an excellent moisture barrier property may be realized, and as reflection or scattering of light is prevented by absorbing and blocking internal or external light, external defects of the organic electronic device may be prevented.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: July 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jung Ok Moon, Hyun Jee Yoo, Seung Min Lee, Hyun Suk Kim, Ban Seok Choi, Se Woo Yang
  • Publication number: 20200220091
    Abstract: An adhesive, and an encapsulated product and method of encapsulating an organic electronic device (OED) using the same are provided. The adhesive film serves to encapsulate the OED and includes a curable resin and a moisture absorbent, and the adhesive includes a first region coming in contact with the OED upon encapsulation of the OED and a second region not coming in contact with the OED. Also, the moisture absorbent is present at contents of 0 to 20% and 80 to 100% in the first and second regions, respectively, based on the total weight of the moisture absorbent in the adhesive.
    Type: Application
    Filed: March 4, 2020
    Publication date: July 9, 2020
    Inventors: Hyun Jee YOO, Yoon Gyung CHO, Suk Ky CHANG, Jung Sup SHIM, Suk Chin LEE, Kwang Jin JEONG
  • Patent number: 10683440
    Abstract: Provided are a pressure-sensitive adhesive composition, a pressure-sensitive adhesive film, and a method of manufacturing an organic electronic device using the same. The pressure-sensitive adhesive composition that may effectively block moisture or oxygen penetrated into an organic electronic device from an external environment, and exhibit reliability under harsh conditions such as high temperature and high humidity and excellent optical characteristics, and a pressure-sensitive adhesive film including the same are provided.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: June 16, 2020
    Assignee: LG CHEM LTD.
    Inventors: Yoon Gyung Cho, Kyung Yul Bae, Min Soo Park, Jung Sup Shim, Hyun Jee Yoo
  • Patent number: 10680199
    Abstract: Provided are an encapsulation film, an organic electronic device including the same, and a method of manufacturing the organic electronic device using the same. Particularly, the encapsulation film, which effectively blocks moisture or oxygen entering the organic electronic device from the outside, and has excellent mechanical properties such as handleability and processability, and the organic electronic device including the same are provided.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: June 9, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Suk Kim, Hyun Jee Yoo, Jung Ok Moon, Se Woo Yang
  • Patent number: 10647890
    Abstract: The present application relates to an adhesive composition comprising a curable oligomer and a polymer derived from butylene, an adhesive film comprising same, an organic electronic device comprising same, and a lighting apparatus and a display device comprising same. The adhesive film comprising the adhesive composition shows excellent moisture-blocking properties and enables an organic electronic device to have flexibility as well as excellent and reliable durability at high temperature and high humidity.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: May 12, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Yul Bae, Yoon Gyung Cho, Hyun Jee Yoo, Se Woo Yang
  • Publication number: 20200127230
    Abstract: The present application relates to an encapsulation film, a method for producing the same, an organic electronic device comprising the same, and a method for preparing an organic electronic device using the same, which allows forming a structure capable of blocking moisture or oxygen introduced into an organic electronic device from the outside, and can prevent occurrence of bright spots of the organic electronic device.
    Type: Application
    Filed: June 11, 2018
    Publication date: April 23, 2020
    Inventors: Jung Ok MOON, Hyun Jee YOO, Yeong Bong MOK, Se Woo YANG
  • Patent number: 10626245
    Abstract: Provided are an adhesive film, and an organic electronic device (OED) encapsulation product using the same. Dimensional stability, lifespan, and durability may be enhanced even when a panel of an organic electronic device is large-sized and formed as a thin film by controlling dimensional tolerance and edge angular tolerance of the adhesive film, thereby ensuring long-term reliability, and process yields may be enhanced when the adhesive film is applied to an automation process.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: April 21, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Seung Min Lee, Suk Ky Chang, Hyun Jee Yoo, Jung Sup Shim, Yoon Gyung Cho, Kyung Yul Bae