Patents by Inventor Jun Gi Jang

Jun Gi Jang 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: 9722188
    Abstract: The present invention provides a novel compound that is capable of largely improving a life time, efficiency, electrochemical stability, and thermal stability of an organic electronic device, and an organic electronic device that comprises an organic material layer comprising the compound.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: August 1, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Soon Bae, Ji-Eun Kim, Hye-Young Jang, Jeung-Gon Kim, Jun-Gi Jang, Sung-Kil Hong, Tae-Yoon Park, Dae-Woong Lee
  • Patent number: 9647225
    Abstract: Disclosed is a stacked organic light emitting device and a display apparatus including the stacked organic light emitting device. The stacked organic light emitting device includes an anode connected to an external power source, a cathode connected to the external power source, at least two light emitting sections aligned between the anode and the cathode, including a light emitting layer, and an internal electrode aligned between the light emitting sections. The internal electrode is a single-layered internal electrode which is made from one selected from the group consisting of a metal, alloys of the metal, and metal oxides thereof, having a work function below 4.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: May 9, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Ji Weon Jeong, Young Chul Lee, Jeoung Kwen Noh, Yun Hye Hahm, Dong Seob Jeong, Jun Gi Jang
  • Patent number: 9200196
    Abstract: The present invention relates to a novel chrysene derivative and an organic electronic device using the same. A chrysene according to the present invention may act as a hole injection, hole transport, electron injection and transport, or light emitting material in an organic light emitting device and an organic electronic device, and in particular, may be used alone as a light emitting host or a dopant.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: December 1, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Jae-Soon Bae, Jeung-Gon Kim, Ji-Eun Kim, Hye-Young Jang, Jun-Gi Jang, Sang-Young Jeon
  • Patent number: 9196845
    Abstract: The present invention provides a novel compound that is capable of largely improving a life time, efficiency, electrochemical stability, and thermal stability of an organic electronic device, and an organic electronic device that comprises an organic material layer comprising the compound.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: November 24, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Jae-Soon Bae, Ji-Eun Kim, Hye-Young Jang, Jeung-Gon Kim, Jun-Gi Jang, Sung-Kil Hong, Tae-Yoon Park, Dae-Woong Lee
  • Publication number: 20150333276
    Abstract: The present invention provides a novel compound that is capable of largely improving a life time, efficiency, electrochemical stability, and thermal stability of an organic electronic device, and an organic electronic device that comprises an organic material layer comprising the compound.
    Type: Application
    Filed: July 23, 2015
    Publication date: November 19, 2015
    Inventors: Jae-Soon BAE, Ji-Eun KIM, Hye-Young JANG, Jeung-Gon KIM, Jun-Gi JANG, Sung-Kil HONG, Tae-Yoon PARK, Dae-Woong LEE
  • Patent number: 9190618
    Abstract: The present invention provides a novel compound that is capable of largely improving a life time, efficiency, electrochemical stability, and thermal stability of an organic electronic device, and an organic electronic device that comprises an organic material layer comprising the compound.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: November 17, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Jae-Soon Bae, Ji-Eun Kim, Hye-Young Jang, Jeung-Gon Kim, Jun-Gi Jang, Sung-Kil Hong, Tae-Yoon Park, Dae-Woong Lee
  • Patent number: 9139562
    Abstract: A nitrogen-containing heterocyclic derivative is represented by the following Formula 1 or includes two or more structures of the following Formula 1: An organic electronic device includes the nitrogen-containing heterocyclic derivative, and has excellent properties in terms of efficiency, driving voltage, and a life span.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: September 22, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Dong-Hoon Lee, Tae-Yoon Park, Jae-Soon Bae, Hyun Nam, Jun-Gi Jang, Sung-Kil Hong
  • Patent number: 9118023
    Abstract: The present invention provides a novel compound that is capable of largely improving a life time, efficiency, electrochemical stability, and thermal stability of an organic electronic device, and an organic electronic device that comprises an organic material layer comprising the compound.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: August 25, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Jae-Soon Bae, Ji-Eun Kim, Hye-Young Jang, Jeung-Gon Kim, Jun-Gi Jang, Sung-Kil Hong, Tae-Yoon Park, Dae-Woong Lee
  • Publication number: 20150162558
    Abstract: Disclosed is a stacked organic light emitting device and a display apparatus including the stacked organic light emitting device. The stacked organic light emitting device includes an anode connected to an external power source, a cathode connected to the external power source, at least two light emitting sections aligned between the anode and the cathode, including a light emitting layer, and an internal electrode aligned between the light emitting sections. The internal electrode is a single-layered internal electrode which is made from one selected from the group consisting of a metal, alloys of the metal, and metal oxides thereof, having a work function below 4.
    Type: Application
    Filed: January 7, 2015
    Publication date: June 11, 2015
    Inventors: Ji Weon JEONG, Young Chul LEE, Jeoung Kwen NOH, Yun Hye HAHM, Dong Seob JEONG, Jun Gi JANG
  • Patent number: 9028977
    Abstract: The present invention relates to a novel compound of Formula 1, a method for manufacturing the same, and an organic electronic device using the same, and the novel compound according to the present invention may act as a hole injection, hole transport, electron injection and transport, or light emitting material in an organic light emitting device and an organic electronic device, and the device according to the present invention shows excellent properties in terms of efficiency, a driving voltage, and stability.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: May 12, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Jae-Soon Bae, Ji-Eun Kim, Jeung-Gon Kim, Jun-Gi Jang
  • Patent number: 9023492
    Abstract: The present invention provides an organic light emitting device including an organic layer of two or more organic layers including a first electrode, a second electrode and an emission layer disposed between the two electrodes, wherein the organic layer includes a first injection or transport layer including a material having a LUMO energy level of ?4 eV or lower and a second hole injection or transport layer including a material having a HOMO energy level of ?4 eV or lower and a material having a LUMO energy level of ?4 eV or lower, which is in contact with the first hole injection or transport layer and a method for manufacturing the organic light emitting device.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: May 5, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Jun-Gi Jang, Sang-Young Jeon, Seong-So Kim, Chang-Hwan Kim
  • Patent number: 8974919
    Abstract: The present invention relates to a novel anthracene derivative and an organic electronic device using the same. The anthracene derivative can act as a hole injecting, hole transporting, electron injecting and transporting, or light emitting material in an organic light emitting device and an organic electronic device. In particular, the anthracene derivative can act as a light emitting host. The organic electronic device according to the present invention has excellent characteristics in views of efficiency, the driving voltage, and the stability.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: March 10, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Hye-Young Jang, Se-Hwan Son, Jae-Soon Bae, Jun-Gi Jang, Tae-Yoon Park
  • Patent number: 8968884
    Abstract: The present invention provides a novel compound that is capable of largely improving life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device, and an organic light emitting device in which said compound is included in an organic compound layer.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: March 3, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Kil Hong, Wook-Dong Cho, Jae-Soon Bae, Ji-Eun Kim, Hyun Nam, Jun-Gi Jang, Byung-Sun Jeon, Mun-Kyu Joo, Hye-Young Jang
  • Patent number: 8951645
    Abstract: A stacked organic light emitting device that includes an anode connected to an external power source, a cathode connected to the external power source, at least two light emitting sections aligned between the anode and the cathode, including a light emitting layer, and an internal electrode aligned between the light emitting sections. The internal electrode is a single-layered internal electrode which is made from one selected from the group consisting of a metal, alloys of the metal, and metal oxides thereof, having a work function below 4.5 eV, each light emitting section includes an organic material layer containing an organic material having an electron affinity above 4 eV, and the organic material layer is formed between the light emitting layer of the light emitting section and the electrode facing the anode connected to the external power source in two electrodes which make contact with the light emitting section.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: February 10, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Ji Weon Jeong, Young Chul Lee, Jeoung Kwen Noh, Yun Hye Hahm, Dong Seob Jeong, Jun Gi Jang
  • Patent number: 8951831
    Abstract: The present invention relates to a new binaphthalene derivative, a preparation method thereof, and an organic electronic device using the same. The binaphthalene derivative according to the present invention can perform functions of hole injection and transportation, electron injection and transportation, or light emission in an organic electronic device including an organic light-emitting device, and the device according to the present invention has excellent characteristics in terms of efficiency, drive voltage and stability, and in particular excellent effects such as a low voltage and a long life time.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: February 10, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Jae Soon Bae, Dae Woong Lee, Dong Hoon Lee, Jae Chol Lee, Jun Gi Jang
  • Publication number: 20140231783
    Abstract: The present invention provides a novel compound that is capable of largely improving a life time, efficiency, electrochemical stability, and thermal stability of an organic electronic device, and an organic electronic device that comprises an organic material layer comprising the compound.
    Type: Application
    Filed: April 28, 2014
    Publication date: August 21, 2014
    Applicant: LG CHEM, Ltd.
    Inventors: Jae-Soon BAE, Ji-Eun KIM, Hye-Young JANG, Jeung-Gon KIM, Jun-Gi JANG, Sung-Kil HONG, Tae-Yoon PARK, Dae-Woong LEE
  • Publication number: 20140183505
    Abstract: The present invention relates to a new binaphthalene derivative, a preparation method thereof, and an organic electronic device using the same. The binaphthalene derivative according to the present invention can perform functions of hole injection and transportation, electron injection and transportation, or light emission in an organic electronic device including an organic light-emitting device, and the device according to the present invention has excellent characteristics in terms of efficiency, drive voltage and stability, and in particular excellent effects such as a low voltage and a long life time.
    Type: Application
    Filed: February 6, 2014
    Publication date: July 3, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Jae Soon Bae, Dae Woong Lee, Dong Hoon Lee, Jae Choi Lee, Jun Gi Jang
  • Patent number: 8674138
    Abstract: The present invention relates to a new binaphthalene derivative, a preparation method thereof, and an organic electronic device using the same. The binaphthalene derivative according to the present invention can perform functions of hole injection and transportation, electron injection and transportation, or light emission in an organic electronic device including an organic light-emitting device, and the device according to the present invention has excellent characteristics in terms of efficiency, drive voltage and stability, and in particular excellent effects such as a low voltage and a long life time.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: March 18, 2014
    Assignee: LG Chem. Ltd.
    Inventors: Jae Soon Bae, Dae Woong Lee, Dong Hoon Lee, Jae Chol Lee, Jun Gi Jang
  • Patent number: 8673460
    Abstract: The present invention relates to a novel heterocyclic derivative and an organic light emitting device using the compound, and the heterocyclic derivative may largely improve a life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: March 18, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Ji-Eun Kim, Kong-Kyeom Kim, Se-Hwan Son, Jun-Gi Jang
  • Patent number: 8586968
    Abstract: The present invention provides an organic light emitting device comprising a first electrode, a second electrode, and at least two organic material layers interposed therebetween, including a light emitting layer, wherein the organic material layers comprise at least one layer of a hole injecting layer, a hole transporting layer and a hole injecting and transporting layer, and at least one of the hole injecting layer, the hole transporting layer and the hole injecting and transporting layer comprises a material with a HOMO energy level of ?4 eV or less, and a material with a LUMO energy level of ?4 eV or less, and a process for preparing the same.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: November 19, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Jun-Gi Jang, Chang-Hwan Kim, Dong-Seob Jeong, Sang-Young Jeon, Kong-Kyeom Kim, Wook-Dong Cho, Ji-Eun Kim, Byung-Sun Jeon