Patents by Inventor Jonghoon KO

Jonghoon KO 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).

  • ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20230380282
    Abstract: An organic optoelectronic device and a display device including the same, the organic optoelectronic device includes an anode and a cathode facing each other, a light emitting layer between the anode and the cathode, a hole transport layer between the anode and the light emitting layer, and a hole transport auxiliary layer between the light emitting layer and the hole transport layer, wherein the light emitting layer includes a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2 or a combination of Chemical Formula 3 and Chemical Formula 4, and the hole transport auxiliary layer includes a third compound represented by Chemical Formula 5.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 23, 2023
    Inventors: Sunwoong SHIN, Youngmook LIM, Youngkyoung JO, Namheon LEE, Sung-Hyun JUNG, Jongwoo WON, Jonghoon KO, Junmo PARK, Ho Kuk JUNG, Chanwoo KIM
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC ELEMENT, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE
    Publication number: 20230180601
    Abstract: Disclosed are a composition for an organic optoelectronic device including a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2, and an organic optoelectronic device and a display device including the same. The contents of Chemical Formula 1 and Chemical Formula 2 are as defined in the specification.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 8, 2023
    Inventors: Seonyeong GWAK, Jongwoo WON, Mijin LEE, Jonghoon KO, Hyung Sun KIM, Hayun SONG, Chang Ju SHIN, Seungjae LEE, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOSITION FOR OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20230172061
    Abstract: A composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition including a first compound, a second compound, and a third compound, wherein the first compound is represented by Chemical Formula I or Chemical Formula II, the second compound is represented by Chemical Formula III, and the third compound is represented by Chemical Formula IV:
    Type: Application
    Filed: August 31, 2022
    Publication date: June 1, 2023
    Inventors: Yunsoo KIM, Mijin LEE, Youngmook LIM, Jonghoon KIM, Changwoo KIM, Hansol SEO, Jonghoon KO, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20230140483
    Abstract: Provided are a compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device. The content of Chemical Formula 1 is as defined in the specification.
    Type: Application
    Filed: September 26, 2022
    Publication date: May 4, 2023
    Inventors: Jiyun KWON, Dong Min KANG, Junmo PARK, Hansol SEO, Byoungkwan LEE, Jonghoon KO, Namheon LEE, Mijin LEE, Kipo JANG, Sung-Hyun JUNG, Ho Kuk JUNG
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20220407010
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1:
    Type: Application
    Filed: May 10, 2022
    Publication date: December 22, 2022
    Inventors: Junmo PARK, Dong Min KANG, Byungku KIM, Hansol SEO, Byoungkwan LEE, Jonghoon KO, Jin Sook KIM, Hyunjung KIM, Sunwoong SHIN, Kipo JANG, Sung-Hyun JUNG
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20220045282
    Abstract: A composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device, the composition including a first compound represented by Chemical Formula 1 and a second compound represented by a combination of Chemical Formula 2 and Chemical Formula 3,
    Type: Application
    Filed: July 30, 2021
    Publication date: February 10, 2022
    Inventors: Youngkyoung JO, Namheon LEE, Kipo JANG, Sung-Hyun JUNG, Ho Kuk JUNG, Dong Min KANG, Jonghoon KO, Dongyeong KIM, Byungku KIM, Mijin LEE, Byoungkwan LEE, Sangshin LEE, Eunjeong CHOI
  • COMPOUND FOR ORGANIC OPTOELECTRONIC ELEMENT, COMPOSITION FOR ORGANIC OPTOELECTRONIC ELEMENT, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE
    Publication number: 20210273179
    Abstract: The present invention relates to a compound, represented by chemical formula 1, for an organic optoelectronic device, a composition, comprising the compound represented by Chemical Formula 1, for an organic optoelectronic device, an organic optoelectronic device, and a display device. The description of Chemical Formula 1 is as defined in the specification.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 2, 2021
    Inventors: Youngkyoung JO, Hyung Sun KIM, Kipo JANG, Yongtak YANG, Ho Kuk JUNG, Dalho HUH, Jonghoon KO, Jinhyun LUI, Mijin LEE, Sung-Hyun JUNG, Pyeongseok CHO
  • ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20170084845
    Abstract: An organic optoelectronic device includes an anode and a cathode facing each other, an emission layer between the anode and the cathode, a hole transport layer between the anode and the emission layer, and a hole transport auxiliary layer between the hole transport layer and the emission layer, wherein the emission layer includes at least one first compound represented by Chemical Formula 1; and at least one second compound represented by Chemical Formula 2, and the hole transport auxiliary layer includes at least one third compound represented by Chemical Formula 3. A display device including the organic optoelectronic device is provided Chemical Formulae 1 to 3 are the same as the detailed description.
    Type: Application
    Filed: September 20, 2016
    Publication date: March 23, 2017
    Inventors: Jun Seok KIM, Changwoo KIM, Eun Sun YU, HANILL LEE, Sung-Hyun JUNG, Sujin HAN, Jonghoon KO, Yongtak YANG, Suyong LIM, Jongwoo CHOI