Patents by Inventor Hyoung Keun PARK

Hyoung Keun 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: 11378844
    Abstract: Provided are a viewer-side polarizing plate for a liquid crystal display device, and a liquid crystal display device comprising the same, the polarizing plate comprising a polarizer and a protective film formed on a light exit surface of the polarizer, wherein the protective film includes a first primer layer, a protective film substrate, a second primer layer, and a coating layer, which are sequentially laminated on the polarizer, a first protective film satisfies a relation of Equation 1, and the protective film substrate has an in-plane phase difference of 500 nm or less at a wavelength of 550 nm in Equation 2.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: July 5, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae Seob Shim, Hyoung Tae Lim, Seong Heun Cho, Se Hyun Park, Bu Keun Oh
  • Patent number: 11358946
    Abstract: Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: June 14, 2022
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Jung Wook Lee
  • Publication number: 20220056050
    Abstract: Provided is a novel compound capable of improving the luminous efficiency and stability of a device, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 24, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun MUN, Hyung Dong LEE, Sun Hee LEE, Hyoung Keun PARK, Dae Sic KIM, Byoung Yeop KANG
  • Patent number: 11233202
    Abstract: The present invention provides 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: Grant
    Filed: April 25, 2017
    Date of Patent: January 25, 2022
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jonggwang Park, Yun Suk Lee, Kiho So, Hyoung Keun Park, Yeonseok Jeong, Yeon Hee Choi, Jae-Taek Kwon
  • Publication number: 20210300888
    Abstract: Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.
    Type: Application
    Filed: September 15, 2017
    Publication date: September 30, 2021
    Applicant: DUK SAN NEOLUX CO., LTD
    Inventors: Hyoung Keun PARK, Yun Suk LEE, Ki Ho SO, Jong Gwang PARK, Yeon Seok JEONG, Jung Hwan PARK, Sun Hee LEE, Jung Wook LEE
  • Patent number: 11133471
    Abstract: Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: September 28, 2021
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak Young Lee
  • Publication number: 20210242408
    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: April 17, 2021
    Publication date: August 5, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Yun Suk LEE, Ki Ho SO, Jong Gwang PARK, Yeon Seok JEONG, Jung Hwan PARK, Sun Hee LEE, Hak young LEE
  • Patent number: 11081649
    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 comprising the compound of Formula 1, and an electronic device comprising the element, where the driving voltage of the organic electronic device is lowered, and the luminous efficiency and life time of the organic electronic device is improved.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: August 3, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Yun Suk Lee, Sun-Hee Lee, Kiho So, Hyoung Keun Park, Jonggwang Park, Yeonseok Jeong, Junghwan Park, Sunpil Hwang
  • Publication number: 20210226131
    Abstract: Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.
    Type: Application
    Filed: March 31, 2021
    Publication date: July 22, 2021
    Applicant: DUK SAN NEOLUX CO., LTD
    Inventors: Hyoung Keun PARK, Yun Suk LEE, Ki Ho SO, Jong Gwang PARK, Yeon Seok JEONG, Jung Hwan PARK, Sun Hee LEE, Hak Young LEE
  • Publication number: 20210226130
    Abstract: The present invention provides 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: April 25, 2017
    Publication date: July 22, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Jonggwang PARK, Yun Suk LEE, Kiho SO, Hyoung Keun PARK, Yeonseok JEONG, Yeon Hee CHOI, Jae-Taek KWON
  • Publication number: 20210171510
    Abstract: The present invention provides 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 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: June 10, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Won Sam KIM, Jung Hwan PARK, Hak Young LEE, Min Ji JO
  • Patent number: 10998502
    Abstract: Provided are a 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: Grant
    Filed: June 21, 2017
    Date of Patent: May 4, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak young Lee
  • Patent number: 10734588
    Abstract: The present invention provides a compound, and an organic electronic element and an electronic device using the same, the compound capable of improving light-emitting efficiency, lowering drive voltage, and increasing lifespan of an element.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: August 4, 2020
    Assignee: Duk San Neolux Co., Ltd
    Inventors: Jonggwang Park, Ka Young Eom, Hyoung Keun Park, Hyemin Cho, Dae Won Lee, Jung Hwan Park, Yeon Hee Choi, Seung Won Yeo
  • Patent number: 10651391
    Abstract: Provided is a compound for an EBL capable of improving the light emitting efficiency, stability and life span of a device, and an organic electric element and an electronic device using the same.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: May 12, 2020
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jong Gwang Park, Yun Suk Lee, Ki Ho So, Hyoung Keun Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Gyu Min Lee
  • 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
  • Patent number: 10573819
    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 driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life span can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: February 25, 2020
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jonggwang Park, Yeon Hee Choi, Yun Suk Lee, Kiho So, Hyoung Keun Park, Yeonseok Jeong, Hak Young Lee
  • Publication number: 20200020863
    Abstract: Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.
    Type: Application
    Filed: September 18, 2017
    Publication date: January 16, 2020
    Inventors: Hyoung Keun PARK, Yun Suk LEE, Ki Ho SO, Jong Gwang PARK, Yeon Seok JEONG, Jung Hwan PARK, Sun Hee LEE, Hak Young LEE
  • Publication number: 20190241548
    Abstract: The present invention provides a novel compound capable of improving the luminous efficiency, stability and life of an element, an organic electronic element using the same, and an electronic device comprising same.
    Type: Application
    Filed: November 10, 2016
    Publication date: August 8, 2019
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Sun Hee LEE, Yun Suk LEE, Ki Ho SO, Jong Gwang PARK, Yeon Seok JEONG, Soung Yun MUN, Jae Taek KWON
  • Publication number: 20190245148
    Abstract: Provided is a compound for an EBL capable of improving the light emitting efficiency, stability and life span of a device, and an organic electric element and an electronic device using the same.
    Type: Application
    Filed: April 15, 2019
    Publication date: August 8, 2019
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Jong Gwang PARK, Yun Suk LEE, Ki Ho SO, Hyoung Keun PARK, Yeon Seok JEONG, Jung Hwan PARK, Sun Hee LEE, Gyu Min LEE
  • Patent number: D961566
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: August 23, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung Shin Park, Seung Ho Jang, Dong Kyun Kim, Seon Keun Park, Chang Sin Cho