Patents by Inventor Hyun Ji OH

Hyun Ji 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).

  • Patent number: 12144245
    Abstract: Provided are compound represented by Formula 1, an organic electric element including 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 including 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: Grant
    Filed: June 23, 2021
    Date of Patent: November 12, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyun Ji Oh, Soung Yun Mun, Sun Hee Lee, Hyung Dong Lee, Byoung Yeop Kang, Ui Sik Kwon
  • Publication number: 20240357933
    Abstract: 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 a light-emitting layer, a hole transport layer between the first electrode and the light-emitting layer, and a plurality of emission-auxiliary layers between the light-emitting layer and the hole transport layer. The plurality of emission-auxiliary layers include a first emission-auxiliary layer adjacent to the hole transport layer and a second emission-auxiliary layer adjacent to the light-emitting layer. Each of the first emission-auxiliary layer and the second emission-auxiliary layer is independently formed of one type of a compound without additional doping. The first emission-auxiliary layer includes a compound represented by Formula 1 or Formula 2, and the second emission-auxiliary layer includes a compound represented by Formula A-4-1 or Formula A-4-2.
    Type: Application
    Filed: April 26, 2024
    Publication date: October 24, 2024
    Inventors: BUM SUNG LEE, HYUN JI OH, SOUNG YUN MUN, SUN HEE LEE, WON SAM KIM, GUANG MING LI, MIN JI JO
  • Patent number: 12108661
    Abstract: The present invention provides an organic electroluminescent element and electronic device thereof, wherein the organic electroluminescent element comprises the compound represented by Formula 1 as material for an emission-auxiliary layer, and by comprising the compound represented by Formula 1 in the emission-auxiliary layer, the driving voltage of the organic electroluminescent element can be lowered, and the luminous efficiency and life time of the organic electroluminescent element can be improved.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 1, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Se Hoon Lee, Yun Suk Lee, Jung Hwan Park, Jung Wook Lee, Sun Hee Lee, Tae Seop Choi, Hyun Ji Oh
  • Patent number: 12108671
    Abstract: An organic electric element according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode. The organic material layer includes a plurality of emission-auxiliary layers, and the HOMO energy levels of the plurality of emission-auxiliary layers are limited to specific conditions in relation to the neighboring organic material layers, thereby the driving voltage, the luminous efficiency and the life time of the organic electric element can be improved.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: October 1, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Bum Sung Lee, Hyun Ji Oh, Soung Yun Mun, Sun Hee Lee, Won Sam Kim, Guang Ming Li, Min Ji Jo
  • Patent number: 12091403
    Abstract: The present invention relates to a compound for an organic electric element, an organic electric element using same, and an electronic device thereof. According to the present invention, high light-emitting efficiency, low driving voltage, and high heat resistance can be achieved in the element, and the color purity and lifespan of the element can be improved.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: September 17, 2024
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Yu Ri Kim, Jong Gwang Park, Yun Suk Lee, Yong Wook Park, Hyun Ji Oh
  • Publication number: 20240253178
    Abstract: A composite polishing pad for chemical mechanical polishing (CMP) and a method for producing the composite CMP. The composite polishing pad for CMP contains a polymer substrate layer including a plurality of protrusions formed on the upper surface thereof; and a carbon nanotube layer including carbon nanotubes embedded in and fixed to the upper portion of the substrate layer.
    Type: Application
    Filed: November 12, 2021
    Publication date: August 1, 2024
    Applicants: KPX CHEMICAL CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byung Ju MIN, Seok Ji HONG, Seung Geun KIM, Jung Hee CHOI, Min Woo KANG, Nam Gue OH, Sanha KIM, Ji Hun JEONG, Hyun Jun RYU, Sukkyung KANG, Seong Jae KIM
  • Publication number: 20240232874
    Abstract: Disclosed are a method and apparatus for providing an instant messaging service associated with one or more item transactions. A first user interface screen associated with an item transaction may be provided in a chatroom interface of an executed messenger application. The first user interface screen may comprise an interfacing object associated with a list of user interface templates. Based on a user selection of the interface object and based at least one exposure condition associated with the list of user interface templates, at least one user interface template may be selected from the list of user interface templates for display in a second user interface screen of the executed messenger application. In a second user interface screen of the executed messenger application, a first user interface template of the at least one user interface template may be displayed.
    Type: Application
    Filed: October 16, 2023
    Publication date: July 11, 2024
    Applicant: KAKAO CORP.
    Inventors: Sang Kyeong Lee, Seo Ji Lee, Lim Ah Lee, Yoon Sun Lee, Hyun Ji Oh, Je Woo Song
  • Patent number: 11997923
    Abstract: Provided are a compound of Formula 7 improving the luminous efficiency, stability and life span of an organic electronic element employing the compound, the organic electronic element, and an electronic device thereof.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: May 28, 2024
    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: 20240135371
    Abstract: Disclosed are a method and apparatus for providing an instant messaging service associated with one or more item transactions. A first user interface screen associated with an item transaction may be provided in a chatroom interface of an executed messenger application. The first user interface screen may comprise an interfacing object associated with a list of user interface templates. Based on a user selection of the interface object and based at least one exposure condition associated with the list of user interface templates, at least one user interface template may be selected from the list of user interface templates for display in a second user interface screen of the executed messenger application. In a second user interface screen of the executed messenger application, a first user interface template of the at least one user interface template may be displayed.
    Type: Application
    Filed: October 15, 2023
    Publication date: April 25, 2024
    Applicant: KAKAO CORP.
    Inventors: Sang Kyeong Lee, Seo Ji Lee, Lim Ah Lee, Yoon Sun Lee, Hyun Ji Oh, Je Woo Song
  • Patent number: 11925112
    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: December 6, 2022
    Date of Patent: March 5, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Je Woo Lee, Hyun Ji Oh, Sun Hee Lee, Won Sam Kim, Byoung Yeop Kang
  • Publication number: 20240062188
    Abstract: Disclosed is a method for displaying a gift card, and the method includes: receiving the gift card and gift information corresponding to the gift card from a server, wherein the gift card is associated with content information corresponding to at least one of a photo type, a video type, and a voice type; displaying a message comprising a first area and a second area separate from each other, wherein the gift information is displayed in the first area and a type of the content information is displayed in the second area; receiving an interaction for viewing the content information; displaying an output layout according to the gift information and the type of the content information; and outputting the content information through the output layout.
    Type: Application
    Filed: January 3, 2023
    Publication date: February 22, 2024
    Inventors: EUN HA KIM, SU YEON NA, SEO HYUNG CHO, DONG HWAN KIM, HYUN JI OH, LIM AH LEE
  • Publication number: 20240008304
    Abstract: Embodiments of the present invention relate to a semiconductor-nanoparticle-ligand complex, a preparation method therefor, a photosensitive resin composition, an optical film, an electroluminescent diode and an electronic device, and, more specifically, can provide: a semiconductor-nanoparticle-ligand complex comprising a ligand represented by chemical formula 1, and thus has excellent compatibility; an optical film with excellent efficiency; an electroluminescent diode; and an electronic device.
    Type: Application
    Filed: November 18, 2021
    Publication date: January 4, 2024
    Inventors: See Maek LEE, Yum Hee PARK, Eun Byul BANG, Do Eon KIM, Tae Yun KIM, Jong Moon SHIN, Chang Min LEE, Hyung Dong LEE, Hyun Ji OH
  • Patent number: 11800795
    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 and compound represented by Formula 2 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: Grant
    Filed: September 27, 2022
    Date of Patent: October 24, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jung Hwan Park, Jae Wan Jang, Hyun Ji Oh, Sun Hee Lee, Won Sam Kim, Ji Eun Yeom
  • Publication number: 20230189639
    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: December 6, 2022
    Publication date: June 15, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Je Woo LEE, Hyun Ji OH, Sun Hee LEE, Won Sam KIM, Byoung Yeop KANG
  • Publication number: 20230140925
    Abstract: Provided are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element; an organic electrical element using same; and an electronic device comprising same.
    Type: Application
    Filed: April 8, 2021
    Publication date: May 11, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Hyun Ji OH, Dae Sic KIM, Sun Hee LEE, Soung Yun MUN, Bum Sung LEE, Nam Kyun KIM
  • Publication number: 20230100943
    Abstract: Provided are a photosensitive resin composition having low viscosity and high compatibility prepared by providing a semiconductor nanoparticle-ligand composite comprising a ligand represented by Formula 1, an optical film having uniform and remarkably excellent quantum efficiency using the photosensitive resin composition, and an electroluminescent diode comprising the optical film and an electronic device comprising an electroluminescent diode.
    Type: Application
    Filed: July 13, 2022
    Publication date: March 30, 2023
    Applicant: DUKSAN NEOLUX CO., LTD
    Inventors: Seemaek LEE, Shin Jong MOON, Changmin LEE, Hyun Ji OH
  • Publication number: 20230040837
    Abstract: Provided is a 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: November 18, 2020
    Publication date: February 9, 2023
    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
  • Patent number: 11563182
    Abstract: Provided are a compound of Formula 7 improving the luminous efficiency, stability and life span of an organic electronic element employing the compound, the organic electronic element, and an electronic device thereof.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: January 24, 2023
    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: 20230009845
    Abstract: An organic electric element according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode. The organic material layer includes a plurality of emission-auxiliary layers, and the HOMO energy levels of the plurality of emission-auxiliary layers are limited to specific conditions in relation to the neighboring organic material layers, thereby the driving voltage, the luminous efficiency and the life time of the organic electric element can be improved.
    Type: Application
    Filed: October 27, 2020
    Publication date: January 12, 2023
    Inventors: Bum Sung LEE, Hyun Ji OH, Soung Yun MUN, Sun Hee LEE, Won Sam KIM, Guang Ming LI, Min Ji JO
  • Publication number: 20220376185
    Abstract: Provided are a compound of Formula 7 improving the luminous efficiency, stability and life span of an organic electronic element employing the compound, the organic electronic element, and an electronic device thereof.
    Type: Application
    Filed: June 28, 2022
    Publication date: November 24, 2022
    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