Patents by Inventor Chi-Hyun Park

Chi-Hyun 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).

  • Publication number: 20240090328
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 14, 2024
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Patent number: 11917907
    Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: February 27, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Kyoung-Jin Park, Tae-Jin Lee, Jae-Hoon Shim, Yoo Jin Doh, Hee-Choon Ahn, Young-Kwang Kim, Doo-Hyeon Moon, Jeong-Eun Yang, Su-Hyun Lee, Chi-Sik Kim, Ji-Song Jun
  • Patent number: 11882763
    Abstract: Provided are an organic electronic element and an electronic device therefor, the organic electronic element having a mixture of a compound according to the present invention used as a material therefor, thereby enabling the achievement of high light-emitting efficiency and low driving voltage of the organic electronic element, and enabling the life of the element to be greatly extended.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: January 23, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Jae Wan Jang, Yun Suk Lee, Jong Gwang Park, Yeon Hee Choi, Chi Hyun Park
  • Publication number: 20240018104
    Abstract: Provided are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element; an organic electronic element using same; and an electronic device thereof.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 18, 2024
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Jung Geun LEE, Sun Hee LEE, Soung Yun MUN, Dae Sic KIM, Chi Hyun PARK
  • Patent number: 11856843
    Abstract: Provided is a novel mixture capable of improving luminous efficiency, stability, and lifespan of an element, an organic electric element using the same, and an electronic device therefor.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: December 26, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Sun Hee Lee, Jong Gwang Park, Ki Ho So, Won Sam Kim, Jung Hwan Park, Chi Hyun Park, Mi Young Chae
  • Patent number: 11713291
    Abstract: Provided are an organic electric element comprising as a phosphorescent host material, a mixture of the compounds of Formula (1) and Formula (2), and an organic electronic device or apparatus thereof for achieving a high luminous efficiency, a low driving voltage, and an improved lifespan.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: August 1, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Mun Jae Lee, Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Chi Hyun Park, Sun Hee Lee, Hyun Ju Song, Bum Sung Lee
  • Publication number: 20230104183
    Abstract: Provided are a compound capable of improving the luminous efficiency, stability and lifespan of an organic electronic device employing the same, an organic electronic element employing the same, and an electronic device thereof.
    Type: Application
    Filed: January 12, 2021
    Publication date: April 6, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Dae Hwan OH, Jong Gwang PARK, Won Sam KIM, Sun Hee LEE, Soung Yun MUN, Chi Hyun PARK
  • Patent number: 11557732
    Abstract: Provided are a compound represented by Formula 1, an organic electroluminescent element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electroluminescent device thereof, and by comprising the compound represented by Formula 1 in the organic material 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: September 19, 2018
    Date of Patent: January 17, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Seung Won Choi, Won Sam Kim, Jung Hwan Park, Chi Hyun Park, Sun Hee Lee
  • Publication number: 20220376189
    Abstract: Embodiments of the present invention relate to an organic electronic device capable of ensuring high luminous efficiency, low driving voltage and high heat resistance, and improving color purity or lifespan.
    Type: Application
    Filed: July 30, 2020
    Publication date: November 24, 2022
    Inventors: Soung Yun MUN, Min Ji JO, Chi Hyun PARK, Yong Wook PARK, Sun Hee LEE, Jung Geun LEE
  • Publication number: 20220367818
    Abstract: Provided are an organic electric element having a first electrode, a second electrode, and at least an organic material layer formed between the first electrode and the second electrode, the organic material layer comprising an emitting layer and the emitting layer comprising a mixture of host materials which improves luminous efficiency, stability, and lifespan of the element; and an organic electronic device comprising the element.
    Type: Application
    Filed: June 9, 2021
    Publication date: November 17, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun MUN, Sun Hee LEE, Jong Gwang PARK, Ki Ho SO, Won Sam KIM, Jung Hwan PARK, Chi Hyun PARK, Mi Young CHAE
  • Publication number: 20220298130
    Abstract: Embodiments of the present invention relate to an organic electronic device capable of ensuring high luminous efficiency, low driving voltage and high heat resistance, and improving color purity or lifespan.
    Type: Application
    Filed: July 30, 2020
    Publication date: September 22, 2022
    Inventors: Soung Yun MUN, Min Ji JO, Chi Hyun PARK, Yong Wook PARK, Sun Hee LEE
  • Patent number: 11299452
    Abstract: Provided are an organic electric element comprising as a phosphorescent host material, a mixture of the compounds of Formula (1) and Formula (2), and an organic electronic device or apparatus thereof for achieving a high luminous efficiency, a low driving voltage, and an improved lifespan.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: April 12, 2022
    Assignee: Duk San Neolux Co., Ltd.
    Inventors: Mun Jae Lee, Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Chi Hyun Park, Sun Hee Lee, Hyun Ju Song, Bum Sung Lee
  • Publication number: 20220064100
    Abstract: Provided are an organic electric element comprising as a phosphorescent host material, a mixture of the compounds of Formula (1) and Formula (2), and an organic electronic device or apparatus thereof for achieving a high luminous efficiency, a low driving voltage, and an improved lifespan.
    Type: Application
    Filed: November 12, 2021
    Publication date: March 3, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Mun Jae LEE, Soung Yun MUN, Jae Taek KWON, Dae Sung KIM, Moo Jin PARK, Chi Hyun PARK, Sun Hee LEE, Hyun Ju SONG, Bum Sung LEE
  • Patent number: 10995069
    Abstract: Provided are an organic electric element and an electronic device thereof comprising a mixture of the compounds of Formula 1 and Formula 2 as a phosphorescent host material, and thereby obtaining high light emission efficiency, low driving voltage, and improved lifetime.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: May 4, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Mun Jae Lee, Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Sun Hee Lee, Chi Hyun Park, Hyun Ju Song, Bum Sung Lee
  • Publication number: 20210098706
    Abstract: The present invention provides an organic electric element and an electronic device thereof, wherein at least three of organic material layers of the organic electric element comprise the compound capable of increasing the luminous efficiency, lowering the driving voltage, increasing the heat resistance, improving color purity and lifetime of the organic electric element.
    Type: Application
    Filed: December 17, 2018
    Publication date: April 1, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun MUN, Sun Hee LEE, Jong Gwang PARK, Yun Suk LEE, Jung Hwan PARK, Bum Sung LEE, Chi Hyun PARK
  • Publication number: 20210028370
    Abstract: Provided is a novel mixture capable of improving luminous efficiency, stability, and lifespan of an element, an organic electric element using the same, and an electronic device therefor.
    Type: Application
    Filed: March 18, 2019
    Publication date: January 28, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun MUN, Sun Hee LEE, Jong Gwang PARK, Ki Ho SO, Won Sam KIM, Jung Hwan PARK, Chi Hyun PARK, Mi Young CHAE
  • Patent number: 10840455
    Abstract: Provided are a compound for an organic electronic element that can improve the luminous efficiency, stability and life span of the element, an organic electronic element comprising the same, and an electronic device thereof.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: November 17, 2020
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Min Ji Jo, Sun Hee Lee, Yong Wook Park, Chi Hyun Park
  • Publication number: 20200358004
    Abstract: Provided are a compound represented by Formula 1, an organic electroluminescent element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electroluminescent device thereof, and by comprising the compound represented by Formula 1 in the organic material 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: Application
    Filed: September 19, 2018
    Publication date: November 12, 2020
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Seung Won CHOI, Won Sam KIM, Jung Hwan PARK, Chi Hyun PARK, Sun Hee LEE
  • Publication number: 20200201926
    Abstract: A method for providing user-customized information is disclosed. The method for providing user-customized information can provide information suitable for a user's situation by: obtaining information on a location where a terminal is located, and information on the time when the location information was obtained; obtaining situation information of a user of the terminal predicted on the basis of the location information and the time information; and requesting, to a server, situation-adaptive information corresponding to the user's situation on the basis of the obtained situation information of the user, pre-stored profile information of the user, and state information of the terminal at a time when the location information is obtained so as to obtain the situation-adaptive information from the server.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 25, 2020
    Inventors: Hang-kyu KIM, Chi-hyun PARK, Hae-dong YEO
  • Patent number: 10628508
    Abstract: A method for providing user-customized information is disclosed. The method for providing user-customized information can provide information suitable for a user's situation by: obtaining information on a location where a terminal is located, and information on the time when the location information was obtained; obtaining situation information of a user of the terminal predicted on the basis of the location information and the time information; and requesting, to a server, situation-adaptive information corresponding to the user's situation on the basis of the obtained situation information of the user, pre-stored profile information of the user, and state information of the terminal at a time when the location information is obtained so as to obtain the situation-adaptive information from the server.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: April 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hang-kyu Kim, Chi-hyun Park, Hae-dong Yeo