Patents by Inventor Dae-Hwan Oh

Dae-Hwan Oh 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).

  • Publication number: 20210288262
    Abstract: Provided is the compound represented by Formula 1, 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, and electronic device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life time of the organic electronic device can be improved.
    Type: Application
    Filed: July 27, 2017
    Publication date: September 16, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Dae Hwan OH, Jeongkeun PARK, Hyemin CHO, Ga-Eun LEE, Daesung KIM, Junghwan PARK, Sun-Hee LEE, Sunpil HWANG
  • Patent number: 11088330
    Abstract: The purpose of the present invention is to provide a compound that can improve the lifespan, low drive voltage and high luminous efficiency of an element, an organic electronic element using same, and an electronic device comprising same.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: August 10, 2021
    Inventors: Yun Suk Lee, Seul-gi Kim, Dae Sung Kim, Ki Ho So, Dae Hwan Oh, Jin Ho Yun, Bum Sung Lee, Seong Je Park
  • Patent number: 11072604
    Abstract: The present invention provides a novel compound that can improve the luminous efficiency, stability and life span of the element, an organic electronic element using the same, and an electronic device thereof.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: July 27, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Won Sam Kim, Hyun Ji Oh, Dae Hwan Oh, Sun Hee Lee, Soung Yun Mun, Jeong Seok Kim
  • Patent number: 11072603
    Abstract: The present invention provides a novel compound that can improve the luminous efficiency, stability and life span of the element, an organic electronic element using the same, and an electronic device thereof.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: July 27, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Won Sam Kim, Hyun Ji Oh, Dae Hwan Oh, Sun Hee Lee, Soung Yun Mun, Jeong Seok Kim
  • Publication number: 20210147397
    Abstract: The present invention provides a novel compound that can improve the luminous efficiency, stability and life span of the element, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: October 8, 2020
    Publication date: May 20, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Won Sam Kim, Hyun Ji Oh, Dae Hwan Oh, Sun Hee Lee, Soung Yun Mun, Jeong Seok Kim
  • Publication number: 20210147396
    Abstract: The present invention provides a novel compound that can improve the luminous efficiency, stability and life span of the element, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: October 8, 2020
    Publication date: May 20, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Won Sam KIM, Hyun Ji OH, Dae Hwan OH, Sun Hee LEE, Soung Yun MUN, Jeong Seok KIM
  • Publication number: 20210013420
    Abstract: Provided are a compound represented by Formula 1, 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, and an electronic device thereof, wherein by comprising compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time, in particular, life time can be improved.
    Type: Application
    Filed: July 10, 2020
    Publication date: January 14, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Ki Ho SO, Hyung Dong LEE, Dae Hwan OH, Won Sam KIM, Byoung Yeop KANG
  • Publication number: 20200365815
    Abstract: The organic electric element comprising a compound represented by Formula 1 as material of an emission-auxiliary layer and an electronic device thereof are disclosed, and by comprising the compound represented by Formula 1 in an emission-auxiliary layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the organic electric element can be improved.
    Type: Application
    Filed: October 12, 2018
    Publication date: November 19, 2020
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Dae Hwan OH, Dae Sung KIM, Moo Jin PARK, Jeong Seok KIM, Sun Hee LEE
  • Publication number: 20200287140
    Abstract: The present invention provides the compound represented by Formula 1 or Formula A, 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, and electronic device thereof, and by comprising the compound represented by Formula 1 or Formula A in the organic material layer, the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life time of the organic electronic device can be improved.
    Type: Application
    Filed: August 20, 2018
    Publication date: September 10, 2020
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Mi Young CHAE, Hye Min CHO, Min Ji JO, Soung Yun MUN, Sun Hee LEE, Nam Geol LEE, Hyung Dong LEE, Dae Hwan OH, Ga Eun LEE, Sang Yong PARK
  • Patent number: 10573820
    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 comprises 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: May 18, 2016
    Date of Patent: February 25, 2020
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: KiHo So, Daesung Kim, Yun Suk Lee, Dae Hwan Oh, Hyoung Keun Park, Yeon Hee Choi, Gyu min Lee
  • Publication number: 20200039993
    Abstract: The present disclosure provides: a compound capable of providing high light-emitting efficiency, low driving voltage, and improved lifetime of a device; an organic electronic element using the same; and an electronic device therefor.
    Type: Application
    Filed: March 9, 2018
    Publication date: February 6, 2020
    Inventors: Ga Eun LEE, Hye Min CHO, Dae Hwan OH, Seul Gi KIM, Jeong Seok KIM
  • Publication number: 20190157560
    Abstract: The purpose of the present invention is to provide a compound that can improve the lifespan, low drive voltage and high luminous efficiency of an element, an organic electronic element using same, and an electronic device comprising same.
    Type: Application
    Filed: January 29, 2019
    Publication date: May 23, 2019
    Applicant: DUK SAN NEOLUX CO., LTD
    Inventors: Yun Suk LEE, Seul-gi KIM, Dae Sung KIM, Ki Ho SO, Dae Hwan OH, Jin Ho YUN, Bum Sung LEE, Seong Je PARK
  • Patent number: 10297758
    Abstract: The purpose of the present invention is to provide a compound that can improve the lifespan, low drive voltage and high luminous efficiency of an element, an organic electronic element using same, and an electronic device comprising same.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: May 21, 2019
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Yun Suk Lee, Seul-gi Kim, Dae Sung Kim, Ki Ho So, Dae Hwan Oh, Jin Ho Yun, Bum Sung Lee, Seong Je Park
  • Publication number: 20180198072
    Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.
    Type: Application
    Filed: July 7, 2016
    Publication date: July 12, 2018
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Yun Suk LEE, Sun Hee LEE, Ki Ho SO, Dae Hwan OH, Hyoung Keun PARK, Hye Min CHO, Jong Gwang PARK, Ga Eun LEE, Yeon Seok JEONG, Dae Sung KIM, Seong Je PARK
  • Publication number: 20180182972
    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 comprises 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: May 18, 2016
    Publication date: June 28, 2018
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: KiHo SO, Daesung KIM, Yun Suk LEE, Dae Hwan OH, Hyoung Keun PARK, Yeon Hee CHOI, Gyu min LEE
  • Publication number: 20170141311
    Abstract: The purpose of the present invention is to provide a compound that can improve the lifespan, low drive voltage and high luminous efficiency of an element, an organic electronic element using same, and an electronic device comprising same.
    Type: Application
    Filed: July 1, 2015
    Publication date: May 18, 2017
    Inventors: Yun Suk LEE, Seul-gi KIM, Dae Sung KIM, Ki Ho SO, Dae Hwan OH, Jin Ho YUN, Bum Sung LEE, Seong Je PARK
  • Patent number: 8787719
    Abstract: Provided is an extreme bending insensitive optical fiber. The optical fiber includes a core comprising a maximum refractive index difference ?n1 in the optical fiber, an inner layer comprising a refractive index difference ?n2 that is smaller than the maximum refractive index of the core and decreases in a direction away from the core, the inner layer being positioned outside the core, and a trench layer comprising an inner-circumference refractive index difference ?n3 that is smaller than the refractive index difference of the inner layer and an outer-circumference refractive index difference ?n4 that is a minimum refractive index difference in the optical fiber.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: July 22, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeong-Seop Lee, Mun-Hyun Do, Si-Ho Song, Myung-Hwan Pyo, Dae-Hwan Oh, Won-Sun Lee, Dae-Seung Moon, Tae-Hyung Lee, Tae-Hun Kim
  • Publication number: 20130094824
    Abstract: Provided is an extreme bending insensitive optical fiber. The optical fiber includes a core comprising a maximum refractive index difference ?n1 in the optical fiber, an inner layer comprising a refractive index difference ?n2 that is smaller than the maximum refractive index of the core and decreases in a direction away from the core, the inner layer being positioned outside the core, and a trench layer comprising an inner-circumference refractive index difference ?n3 that is smaller than the refractive index difference of the inner layer and an outer-circumference refractive index difference ?n4 that is a minimum refractive index difference in the optical fiber.
    Type: Application
    Filed: October 16, 2012
    Publication date: April 18, 2013
    Inventors: Yeong-Seop Lee, Mun-Hyun Do, Si-Ho Song, Myung-Hwan Pyo, Dae-Hwan Oh, Won-Sun Lee, Dae-Seung Moon, Tae-Hyung Lee, Tae-Hun Kim