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: 9698378
    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: Yoon Gyung Cho, Hyun Jee Yoo, Suk Ky Chang, Jung Sup Shim, Seung Min Lee
  • Publication number: 20170186997
    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: Application
    Filed: February 4, 2016
    Publication date: June 29, 2017
    Inventors: Hyun Jee YOO, Hyun Suk KIM, Jung Ok MOON, Se Woo YANG
  • Publication number: 20170170427
    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 can be prevented.
    Type: Application
    Filed: February 17, 2015
    Publication date: June 15, 2017
    Inventors: Hyun Jee YOO, Seung Min LEE, Hyun Suk KIM, Jung Ok MOON, Ban Seok CHOI, Se Woo YANG
  • Publication number: 20170170426
    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: Application
    Filed: February 17, 2015
    Publication date: June 15, 2017
    Inventors: Jung Ok MOON, Hyun Jee YOO, Seung Min LEE, Hyun Suk KIM, Ban Seok CHOI, Se Woo YANG
  • Publication number: 20170166715
    Abstract: Provided are an encapsulation film, an organic electronic device 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: Application
    Filed: February 17, 2015
    Publication date: June 15, 2017
    Inventors: Ban Seok CHOI, Hyun Jee YOO, Hyun Suk KIM, Seung Min LEE, Jung Ok MOON, Se Woo YANG
  • Patent number: 9659763
    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: April 24, 2009
    Date of Patent: May 23, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Dong Han Kho, Jang Soon Kim, Hyo Soon Park, Jong Wan Hong, Hyo Sook Joo
  • Publication number: 20170077440
    Abstract: Provided are a pressure-sensitive adhesive composition, an encapsulation film including the same, 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: Application
    Filed: February 4, 2016
    Publication date: March 16, 2017
    Inventors: Hyun Jee YOO, Hyun Suk KIM, Jung Ok MOON, Se Woo YANG
  • Publication number: 20170077450
    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: March 16, 2017
    Inventors: Hyun Suk Kim, Hyun Jee YOO, Jung Ok MOON, Se Woo YANG
  • Publication number: 20170051184
    Abstract: Provided are a pressure-sensitive adhesive composition, an encapsulation film including the same, 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: Application
    Filed: February 4, 2016
    Publication date: February 23, 2017
    Inventors: Hyun Jee YOO, Hyun Suk KIM, Jung Ok MOON, Se Woo YANG
  • Patent number: 9577214
    Abstract: Provided are an adhesive film, an encapsulated product of an organic electronic device using the same, and a method of encapsulating an organic electronic device. Particularly, the adhesive film encapsulating the organic electronic device to cover an entire surface of the organic electronic device includes an adhesive layer including a curable resin and a moisture adsorbent. The adhesive layer has a viscosity in a temperature range of 30 to 130° C. of 101 to 106 Pa·s and a viscosity at room temperature of 106 Pa·s or more in an uncured state, and when the adhesive layer has a multilayered structure, a difference in melting viscosity between layers is less than 30 Pa·s. In addition, the method of encapsulating an organic electronic device using the adhesive film is provided.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: February 21, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Yoon Gyung Cho, Seung Min Lee, Suk Ky Chang, Jung Sup Shim
  • Publication number: 20170044405
    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 encapsulation film, which may 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: Application
    Filed: February 4, 2016
    Publication date: February 16, 2017
    Inventors: Hyun Jee YOO, Hyun Suk KIM, Jung Ok MOON, Se Woo YANG
  • Publication number: 20170040570
    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: Application
    Filed: February 17, 2016
    Publication date: February 9, 2017
    Inventors: Hyun Suk KIM, Hyun Jee YOO, Jung Ok MOON, Se Woo YANG
  • Patent number: 9548473
    Abstract: There are provided a method of evaluating a reliable lifespan of an encapsulant film and a device for evaluating reliability of the film. 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, a failure of a product is determined and reliability may be predicted.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: January 17, 2017
    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: 9422460
    Abstract: Provided is an adhesive film capable of being used to encapsulate or capsulate an OED. The adhesive film includes an adhesive layer whose surface has at least one groove for exhausting air.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: August 23, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Suk Ky Chang, Jung Sup Shim, Yoon Gyung Cho, Seung Min Lee
  • Patent number: 9391293
    Abstract: An adhesive film used to encapsulate an organic electronic diode (OED) is provided. The adhesive film may be useful in effectively preventing penetration of moisture into an encapsulated structure of the organic electronic diode when the organic electronic diode is encapsulated, and effectively performing the encapsulation process under moderate conditions without causing damage to the organic electronic diode during the encapsulation process.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: July 12, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Yoon Gyung Cho, Hyun Jee Yoo, Seung Min Lee, Suk Ky Chang, Jung Sup Shim
  • Publication number: 20160155987
    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: Application
    Filed: June 19, 2014
    Publication date: June 2, 2016
    Inventors: Hyun Jee YOO, Seung Min LEE, Yoon Gyung CHO, Kyung Yul BAE, Jung Sup SHIM, Suk Ky CHANG, Hyun Suk KIM, Jung Pk MOON, Ban Seok CHOI, Se Woo YANG
  • Publication number: 20160149131
    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: Application
    Filed: June 18, 2014
    Publication date: May 26, 2016
    Inventors: Jung Sup SHIM, Yoon Gyung CHO, Suk Ky CHANG, Hyun Jee YOO, Seung Min LEE, Kyung YuI BAE
  • Publication number: 20160137887
    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: Application
    Filed: August 5, 2014
    Publication date: May 19, 2016
    Inventors: Hyun Jee YOO, Suk Ky CHANG, Yoon Gyung CHO, Kyung Yul BAE
  • Patent number: 9343696
    Abstract: An adhesive film, a method for preparing an adhesive film, and an organic electronic device are provided. According to the adhesive film in exemplary embodiments of the present invention, fluidity of an adhesive can be controlled in the case of applying the adhesive between objects to be subsequently adhered to each other and then thermal-compressing by including an adhesive layer with cured side faces contacting with the outside. The adhesive film is used, for example for assembling a panel and the like, and thereby a defect rate at the time of assembling a panel and the like can be reduced and excellent work characteristics can be provided. In addition, before being applied to a panel or the like, a moisture absorbent included inside an adhesive layer of an adhesive film can be protected from external moisture or the like, thereby being easily stored, and also when it is applied to a product, reliability of life span, and the like can be secured.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: May 17, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jee Yoo, Suk Ky Chang, Seung Min Lee
  • Patent number: 9343702
    Abstract: The present invention relates to an adhesive film, to an encapsulated product of an organic electronic device using same and to a method for encapsulating an organic electronic device using same. More particularly, an adhesive film for encapsulating an organic electronic device comprises: a protective film layer, a first adhesive layer, a second adhesive layer and a release film layer sequentially arranged. The peel strength (A) between the first adhesive layer and the protective film layer is lower than the peel strength (B) between the second adhesive layer and the release film layer, and the peel strength (B) between the second adhesive layer and the release film layer is lower than the peel strength (C) between the first adhesive layer and an encapsulation substrate, thus improving faults during a peeling process.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: May 17, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Kyung Yul Bae, Hyun Jee Yoo, Seung Min Lee, Yoon Gyung Cho, Suk Ky Chang, Jung Sup Shim