Patents by Inventor Jeongkeun Park

Jeongkeun Park 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: 10717744
    Abstract: Provided are a compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprised the compound represented by Formula 1, and the driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity, and life span can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: July 21, 2020
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan Park, Jeongkeun Park, Hoyoung Jung, Moonsung Kang, Jong-jin Ha, Wonsam Kim, Seul-gi Kim, Munjae Lee
  • Patent number: 10428084
    Abstract: Provided are a compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprise the compound represented by Formula 1, and the driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: October 1, 2019
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jeongkeun Park, Wonsam Kim, Moonsung Kang, Boram Park, Hoyoung Jung, Jong-jin Ha, Junghwan Park, Sunhee Lee, Gyumin Lee
  • Publication number: 20180201621
    Abstract: Provided are a compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprise the compound represented by Formula 1, and the driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Application
    Filed: March 11, 2016
    Publication date: July 19, 2018
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Jeongkeun PARK, Wonsam KIM, Moonsung KANG, Boram PARK, Hoyoung JUNG, Jong-jin HA, Junghwan PARK, Sun-hee LEE, Gyumin LEE
  • Publication number: 20180141957
    Abstract: Provided are a compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprised the compound represented by Formula 1, and the driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity, and life span can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Application
    Filed: March 2, 2016
    Publication date: May 24, 2018
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan PARK, Jeongkeun PARK, Hoyoung JUNG, Moonsung KANG, Jong-jin HA, Wonsam KIM, Seul-gi KIM, Munjae LEE
  • Patent number: 9691990
    Abstract: The present invention relates to a compound, which is represented by one chemical formula among the chemical formulas (1) to (3), an organic electronic element comprising the compound, and an electronic device comprising the organic electronic element. The compound is characterized by comprising at least one phenyl group having at least one substitution with deuterium or tritium.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: June 27, 2017
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Soungyun Mun, Bumsung Lee, Jungcheol Park, Kiwon Kim, Yongwook Park, Jeongkeun Park, Heesun Ji, Junghwan Park
  • Patent number: 9570689
    Abstract: Provided herein are a compound of Formula 1, and an organic electric element comprised of a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode containing a compound of Formula 1, which has an improvement in driving voltage, luminous efficiency, color purity, stability, and life span.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: February 14, 2017
    Assignees: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Junghwan Park, Wonsam Kim, Jihun Byun, Jeongkeun Park, Hwasoon Jung, Yeonhee Choi, Seokhyun Kim, Kwanhee Lee, Mikyung Kim
  • Publication number: 20160233433
    Abstract: Provided herein are a compound of Formula 1, and an organic electric element comprised of a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode containing a compound of Formula 1, which has an improvement in driving voltage, luminous efficiency, color purity, stability, and life span.
    Type: Application
    Filed: April 7, 2016
    Publication date: August 11, 2016
    Applicants: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Junghwan PARK, Wonsam KIM, Jihun BYUN, Jeongkeun PARK, Hwasoon JUNG, Yeonhee CHOI, Seokhyun KIM, Kwanhee LEE, Mikyung KIM
  • Patent number: 9331288
    Abstract: A compound represented by Formula 1. An organic electric element includes a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode. The organic material layer includes the compound represented by Formula 1. When the organic electric element includes the compound in the organic material layer, driving voltage, luminous efficiency, color purity, stability, and life span can be improved.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: May 3, 2016
    Assignees: SAMSUNG DISPLAY CO., LTD., DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan Park, Wonsam Kim, Jihun Byun, Jeongkeun Park, Hwasoon Jung, Yeonhee Choi, Seokhyun Kim, Kwanhee Lee, Mikyung Kim
  • Publication number: 20150349272
    Abstract: A compound represented by Formula 1. An organic electric element includes a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode. The organic material layer includes the compound represented by Formula 1. When the organic electric element includes the compound in the organic material layer, driving voltage, luminous efficiency, color purity, stability, and life span can be improved.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 3, 2015
    Applicants: SAMSUNG DISPLAY CO., LTD., DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan PARK, Wonsam KIM, Jihun BYUN, Jeongkeun PARK, Hwasoon JUNG, Yeonhee CHOI, Seokhyun KIM, Kwanhee LEE, Mikyung KIM
  • Publication number: 20140027747
    Abstract: The present invention relates to a compound, which is represented by one chemical formula among the chemical formulas (1) to (3), an organic electronic element comprising the compound, and an electronic device comprising the organic electronic element. The compound is characterized by comprising at least one phenyl group having at least one substitution with deuterium or tritium.
    Type: Application
    Filed: March 29, 2012
    Publication date: January 30, 2014
    Applicant: DUKSAN HIGH METAL CO., LTD.
    Inventors: Soungyun Mun, Bumsung Lee, Jungcheol Park, Kiwon Kim, Yongwook Park, Jeongkeun Park, Heesun Ji, Junghwan Park
  • Publication number: 20130334518
    Abstract: The present invention provides a diphenyl diamine derivative which is a combination of a nitrogen-containing diphenyl fluorenyl group and a spiro fluorenyl group; an organic electroluminescent device using the same; and a display apparatus which uses the organic electroluminescent device.
    Type: Application
    Filed: February 2, 2012
    Publication date: December 19, 2013
    Applicant: DUKSAN HIGH METAL CO., LTD.
    Inventors: Yongwook Park, Bumsung Lee, Soungyun Mun, Junghwan Park, Jungcheol Park, Kiwon Kim, Jeongkeun Park, Hwasoon Jung, Heesun Ji