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: 10074827
    Abstract: Provided are an encapsulation film, an organic electronic device including the same, and a method of manufacturing the organic electronic device. Therefore, provided is the pressure-sensitive adhesive composition, which can form a structure capable of effectively blocking moisture or water entering the organic electronic device from the outside, and have excellent processability in a process of manufacturing a panel and excellent heat retention under a high-temperature and high-humidity condition.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: September 11, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Jee Yoo, Hyun Suk Kim, Jung Ok Moon, Se Woo Yang
  • Patent number: 10062855
    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: June 15, 2015
    Date of Patent: August 28, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Yoon Gyung Cho, Suk Ky Chang, Jung Sup Shim, Suk Chin Lee, Kwang Jin Jeong
  • Patent number: 10050204
    Abstract: An encapsulation composition, an encapsulation film including the same, an encapsulation product for organic electronic devices, and a method of manufacturing an organic electronic device are provided. The encapsulation composition can be useful in effectively preventing moisture or oxygen from flowing into the organic electronic device from external environments while realizing transparency when the organic electronic device is encapsulated by the encapsulation composition. Also, the encapsulation film formed of the encapsulation composition can be useful in ensuring mechanical properties such as handling properties and processability, and the organic electronic device whose encapsulation structure is formed by means of the encapsulation film may have improved lifespan and durability, thereby providing an encapsulation product for organic electronic devices showing high reliability.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: August 14, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Seung Min Lee, Suk Ky Chang, Min Soo Park, Hyun Jee Yoo, Jung Sup Shim, Yoon Gyung Cho, Kyung Yul Bae, Hyun Suk Kim, Jung Ok Moon
  • Publication number: 20180223141
    Abstract: The present invention relates to an adhesive composition, an adhesive film, a method of manufacturing the adhesive film and an organic electronic device (OED) that are used to encapsulate an organic electronic element. The adhesive composition can form an encapsulant layer having an excellent adhesive property, impact resistance, heat-protecting property and moisture blocking property, so that an OED that includes an element encapsulated with the adhesive composition can exhibit an excellent lifespan property and durability.
    Type: Application
    Filed: March 6, 2018
    Publication date: August 9, 2018
    Inventors: Hyun Jee YOO, Yoon Gyung CHO, Suk Ky CHANG, Jung-Sup SHIM
  • Publication number: 20180190937
    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: Application
    Filed: February 17, 2016
    Publication date: July 5, 2018
    Inventors: Hyun Suk KIM, Hyun Jee YOO, Jung Ok MOON, Se Woo YANG
  • Publication number: 20180171181
    Abstract: The present application relates to an adhesive film, an organic electronic device comprising same, and a lighting apparatus and a display device comprising same. The present application enables an organic electronic device to show excellent moisture-blocking properties and have flexibility as well as excellent and reliable durability at high temperature and high humidity.
    Type: Application
    Filed: June 9, 2016
    Publication date: June 21, 2018
    Inventors: Kyung Yul BAE, Yoon Gyung CHO, Hyun Jee YOO, Se Woo YANG
  • Publication number: 20180171188
    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: Application
    Filed: June 9, 2016
    Publication date: June 21, 2018
    Inventors: Kyung Yul BAE, Yoon Gyung CHO, Hyun Jee YOO, Se Woo YANG
  • Publication number: 20180171179
    Abstract: The present application relates to an organic electronic device, a method for preparing same, and a lighting apparatus and a display device comprising same. The present application enables an organic electronic device to show excellent moisture-blocking properties and have flexibility as well as excellent and reliable durability at high temperature and high humidity.
    Type: Application
    Filed: June 9, 2016
    Publication date: June 21, 2018
    Inventors: Kyung Yul BAE, Hyun Jee YOO, Se Woo YANG, Yoon Gyung CHO, Sang Min PARK
  • Patent number: 9966562
    Abstract: Provided are a photocurable pressure-sensitive adhesive composition including an acrylic polymer, an epoxy resin, and a cationic photopolymerization initiator, an organic electronic device having an encapsulant including a photocured product of the composition using a curable pressure-sensitive adhesive film which is a film-state product including the composition, and a method for manufacturing an organic electronic device using the curable pressure-sensitive adhesive film.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: May 8, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yoon Gyung Cho, Hyun Jee Yoo, Jung Sup Shim, Suk Ky Chang
  • Patent number: 9957426
    Abstract: Provided are a photocurable pressure-sensitive adhesive composition including an acrylic polymer, an epoxy resin, a crosslinking agent and a photopolymerization initiator, an organic electronic device having an encapsulant including the composition using a film-state product, that is, a curable pressure-sensitive adhesive film, including the composition, and a method of manufacturing an organic electronic device using the curable pressure-sensitive adhesive film.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: May 1, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yoon Gyung Cho, Hyun Jee Yoo
  • Patent number: 9923169
    Abstract: There are provided a film and an organic electronic device. The present application may provide a film that may be provided for an evaluation method in which reliability of an encapsulant film is simply and easily evaluated only by measuring a haze immediately before the encapsulant film is used, thereby a failure of a product is determined and reliability may be predicted.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: March 20, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Seung Min Lee, Yoon Gyung Cho, Kyung Yul Bae, Jung Sup Shim, Suk Ky Chang, Hyun Suk Kim, Jung Ok Moon, Ban Seok Choi, Se Woo Yang
  • Patent number: 9871224
    Abstract: Provided are an encapsulation film, an organic electronic device including the same, and a method of manufacturing the organic electronic device. 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: January 16, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Suk Kim, Hyun Jee Yoo, Jung Ok Moon, Se Woo Yang
  • Patent number: 9806293
    Abstract: The present application relates to an encapsulating film, an electronic device and a method of manufacturing the same. In the present application, an encapsulating film having excellent moisture blocking property, handleability, workability and durability and a structure including a diode encapsulated with the encapsulating film may be provided.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: October 31, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Jee Yoo, Yoon Gyung Cho, Suk Ky Chang, Jung Sup Shim, Seung Min Lee
  • Patent number: 9806287
    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, prevent adhesion failure and damage to an organic film due to volume expansion occurring by a reaction between a moisture adsorbent and moisture, and provide high reliability due to increases in a lifespan and durability of the OED.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: October 31, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Hyun Suk Kim, Suk Ky Chang, Seung Min Lee, Jung Ok Moon
  • Patent number: 9803112
    Abstract: Provided are a pressure-sensitive adhesive film and a method of manufacturing an organic electronic device using the same. The pressure-sensitive adhesive film 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 is provided.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: October 31, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Suk Ky Chang, Yoon Gyung Cho, Kyung Yul Bae
  • Patent number: 9793103
    Abstract: Provided are an epoxy composition, an adhesive film, a dicing die bonding film and a semiconductor device using the same. Specifically, the epoxy composition and a use thereof are provided, wherein the epoxy composition has a gel content of 5˜20%, measured under certain conditions. The epoxy composition according to the present invention, as an adhesive agent, shows excellent elastic properties, when prepared to have a low glass transition temperature, exhibiting good adhesion at high temperature and having minimal occurrence of burrs during processing. According to the present invention, it is therefore possible to prevent defects owing to die cut shift, during a wire bonding or molding process at high temperature, and obtain a highly reliable semiconductor device owing to the excellent adhesiveness and workability of the adhesive agent.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: October 17, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Dong Han Kho, Jang Soon Kim, Hyo Soon Park, Jong Wan Hong, Hyo Sook Joo
  • Patent number: 9768386
    Abstract: There are provided a composition for encapsulation film, an encapsulation film, and an electronic device having the same. The present application may provide an encapsulation film having an excellent moisture barrier property, operability, workability, and durability and a structure including an element encapsulated by the encapsulation film.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: September 19, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jung Sup Shim, Yoon Gyung Cho, Suk Ky Chang, Hyun Jee Yoo, Seung Min Lee, Kyung Yul Bae
  • Publication number: 20170222183
    Abstract: The present application relates to an encapsulation film and an organic electronic device including the encapsulation film, and provides an encapsulation film and an organic electronic device which effectively prevents the penetration of moisture or oxygen from the outside into the organic electronic device and also achieves the light diffusion and extraction effects.
    Type: Application
    Filed: March 27, 2015
    Publication date: August 3, 2017
    Inventors: Yoon Gyung CHO, Hyun Jee YOO, Kyung Yul BAE, Suk Ky CHANG, Jung Hyoung LEE, Jun Rye CHOI
  • Patent number: 9698379
    Abstract: Provided are an encapsulating film, an electronic device and a method of manufacturing the same. An encapsulating film having excellent moisture blocking property, handleability, workability and durability and a structure including a diode encapsulated with the encapsulating film may be provided.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: July 4, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Yoon Gyung Cho, Suk Ky Chang, Jung Sup Shim, Seung Min Lee
  • Patent number: 9695345
    Abstract: The present invention relates to a dicing die bonding film employed in a semiconductor packaging process, and a semiconductor device using the same. The dicing die bonding film is configured such that a ratio X/Y of adhesive power X between the wafer and the adhesive layer of the die bonding portion to tacky power Y between the die bonding portion and the tacky layer of the dicing portion is 0.15 to 1, and the adhesive layer of the die bonding portion has a storage modulus of 100 to 1000 MPa at a normal temperature. The dicing die bonding film according to the present invention reduces burr generation in dicing process, and thereby preparing a semiconductor device having excellent reliability without inferiority caused by bad connection reliability due to the burr covering a bonding pad.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: July 4, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Jang Soon Kim, Jong Wan Hong, Hyo Soon Park, Dong Han Kho