Patents by Inventor Bumsung Lee

Bumsung Lee 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: 10991885
    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, luminous efficiency, stability, and life span can be improved.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: April 27, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan Park, Sunhee Lee, Soungyun Mun, Daesung Kim, Hwasoon Jung, Wonsam Kim, Jihun Byun, Bumsung Lee
  • Patent number: 10797247
    Abstract: Provided are an organic electric elements, and electronic devices thereof, wherein high luminous efficiency, low driving voltage and the improved lifetime of the organic electronic element are achieved by using the compound of the present invention as a phosphorescent host material.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: October 6, 2020
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Bumsung Lee, Sunhee Lee, Soungyun Mun, Daesung Kim, Jungcheol Park, Yunsuk Lee, Seungwon Yeo, Junghwan Park, Wonsam Kim, Yeon Hee Choi
  • Patent number: 10573838
    Abstract: The present invention provides an organic electric element in which a first electrode, a second electrode, and an organic material layer are sequentially stacked, wherein the organic material layer comprises a hole transport layer, an emission-auxiliary layer and a light emitting layer, at least one of the hole transport layer and the emission-auxiliary layer comprises the compound represented by Formula 1, and the light emitting layer comprises the compound represented by Formula 2. According to the present invention, 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.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: February 25, 2020
    Assignees: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Bumsung Lee, Sun-Hee Lee, Soung Yun Mun, Junghwan Park, Daesung Kim, Jung Cheol Park, Jung Wook Lee, Mikyung Kim, Kwanhee Lee
  • Patent number: 10326092
    Abstract: Provided are a compound of Formula 1 and an organic electric element including a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode and comprising the compound, the element showing improved luminescent efficiency, stability, and life span.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: June 18, 2019
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Bumsung Lee, Sunhee Lee, Soungyun Mun, Daesung Kim, Gyumin Lee
  • Patent number: 10319923
    Abstract: Provided are a compound of 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, and electronic device comprising the organic electric element, wherein the luminous efficiency and life span can be improved and the driving voltage of the organic electronic device can be lowered by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: June 11, 2019
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Bumsung Lee, Sun-hee Lee, Daesung Kim, Yun Suk Lee, Gyumin Lee
  • Patent number: 10319922
    Abstract: Provided are a compound of 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, and electronic device comprising the organic electric element, wherein the luminous efficiency and life span can be improved and the driving voltage of the organic electronic device can be lowered by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: June 11, 2019
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Bumsung Lee, Sun-hee Lee, Daesung Kim, Yun Suk Lee, Gyumin Lee
  • Patent number: 10249825
    Abstract: Provided are a compound capable of improving light emitting efficiency, stability, and lifespan of the element, an organic element using the same, and an electric device for the same.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: April 2, 2019
    Assignees: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Bumsung Lee, Yeonhee Choi, Daesung Kim, Soungyun Mun, Jungcheol Park, Kiho So, Jinho Yun, Daehwan Oh, Seungwon Yeo, Mikyung Kim, Kwanhee Lee
  • Publication number: 20190013477
    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, luminous efficiency, stability, and life span can be improved.
    Type: Application
    Filed: January 10, 2018
    Publication date: January 10, 2019
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan PARK, Sunhee LEE, Soungyun MUN, Daesung KIM, Hwasoon JUNG, Wonsam KIM, Jihun BYUN, Bumsung LEE
  • Patent number: 10141516
    Abstract: Provides herein are a compound capable of improving light emitting efficiency, stability, and lifespan of the element, an organic element using the same, and an electric device for the same.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: November 27, 2018
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Bumsung Lee, Yeonhee Choi, Daesung Kim, Soungyun Mun, Jungcheol Park, Kiho So, Jinho Yun, Daehwan Oh, Seungwon Yeo
  • Patent number: 10109801
    Abstract: Provided are a compound of 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, and electronic device comprising the organic electric element, wherein the luminous efficiency and life span can be improved and the driving voltage of the organic electronic device can be lowered by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: October 23, 2018
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Bumsung Lee, Sun-hee Lee, Daesung Kim, Yun Suk Lee, Gyumin Lee
  • Publication number: 20180287071
    Abstract: Provided are a compound of 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, and electronic device comprising the organic electric element, wherein the luminous efficiency and life span can be improved and the driving voltage of the organic electronic device can be lowered by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Application
    Filed: May 11, 2018
    Publication date: October 4, 2018
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Bumsung LEE, Sun-hee LEE, Daesung KIM, Yun Suk LEE, Gyumin LEE
  • Publication number: 20180277770
    Abstract: Provided are a compound of 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, and electronic device comprising the organic electric element, wherein the luminous efficiency and life span can be improved and the driving voltage of the organic electronic device can be lowered by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Application
    Filed: May 11, 2018
    Publication date: September 27, 2018
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Bumsung LEE, Sun-hee LEE, Daesung KIM, Yun Suk LEE, Gyumin LEE
  • Publication number: 20180205032
    Abstract: The present invention provides an organic electric element in which a first electrode, a second electrode, and an organic material layer are sequentially stacked, wherein the organic material layer comprises a hole transport layer, an emission-auxiliary layer and a light emitting layer, at least one of the hole transport layer and the emission-auxiliary layer comprises the compound represented by Formula 1, and the light emitting layer comprises the compound represented by Formula 2. According to the present invention, 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.
    Type: Application
    Filed: July 5, 2016
    Publication date: July 19, 2018
    Applicants: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Bumsung LEE, Sun-Hee LEE, Soung Yun MUN, Junghwan PARK, Daesung KIM, Jung Cheol PARK, Jung Wook LEE, Mikyung KIM, Kwanhee LEE
  • Patent number: 10026905
    Abstract: A compound represented by Formula 1. An organic electric element includes a first electrode, a second electrode, and an organic material layer including the compound of Formula 1. The organic material layer include a light emitting layer, a hole transport layer including a compound represented by Formula 2, and an emission-auxiliary layer including the compound represented by Formula 1. When the organic electric element includes the compound in the organic material layer, luminous efficiency, color purity, and life span can be improved.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: July 17, 2018
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Dongha Kim, Sunhee Lee, Yeonhee Choi, Soungyun Mun, Jungcheol Park, Yongwook Park, Heesun Ji, Junghwan Park, Bumsung Lee, Sunpil Hwang
  • Publication number: 20180102486
    Abstract: Provided are an organic electric elements, and electronic devices thereof, wherein high luminous efficiency, low driving voltage and the improved lifetime of the organic electronic element are achieved by using the compound of the present invention as a phosphorescent host material.
    Type: Application
    Filed: December 8, 2017
    Publication date: April 12, 2018
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Bumsung LEE, Sunhee LEE, Soungyun MUN, Daesung KIM, Jungcheol PARK, Yunsuk LEE, Seungwon YEO, Junghwan PARK, Wonsam KIM, Yeon Hee CHOI
  • Patent number: 9917257
    Abstract: Disclosed is an organic electric element comprising a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode, wherein the organic material layer comprises the compound of Formula 1 and Formula 2 to improve driving voltage, luminous efficiency, color purity, and life span.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: March 13, 2018
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Bumsung Lee, Sunhee Lee, Soungyun Mun, Daesung Kim, Jungcheol Park, Yunsuk Lee, Seungwon Yeo, Junghwan Park
  • Patent number: 9905773
    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, luminous efficiency, stability, and life span can be improved.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: February 27, 2018
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan Park, Sunhee Lee, Soungyun Mun, Daesung Kim, Hwasoon Jung, Wonsam Kim, Jihun Byun, Bumsung Lee
  • Publication number: 20170301868
    Abstract: Provided are a compound of 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, and electronic device comprising the organic electric element, wherein the luminous efficiency and life span can be improved and the driving voltage of the organic electronic device can be lowered by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Application
    Filed: September 8, 2015
    Publication date: October 19, 2017
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventor: Bumsung LEE
  • Patent number: 9716236
    Abstract: Provided are a compound of Formula 1 and an organic electric element including a first electrode, a second electrode, and an organic material layer between the first and the second electrodes, where the organic material layer contains the compound of Formula 1 and improves luminous efficiency, stability, and life span of the element.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: July 25, 2017
    Assignees: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Junghwan Park, Sunhee Lee, Soungyun Mun, Daesung Kim, Hwasoon Jung, Wonsam Kim, Jihun Byun, Bumsung Lee, Mi Kyung Kim, Kwan Hee Lee, Dae Yup Shin
  • 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