Patents by Inventor Handong CHU

Handong CHU 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
    Patent number: 11605782
    Abstract: An organic optoelectronic device and a display device, the organic optoelectronic device including 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 a combination of Chemical Formula 1 and Chemical Formula 2, and a second compound represented by Chemical Formula 3, and the hole transport auxiliary layer includes a third compound represented by Chemical Formula 4:
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: March 14, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Giwook Kang, Dong Min Kang, Byungku Kim, Jun Seok Kim, Eun Sun Yu, Namheon Lee, Kipo Jang, Handong Chu, Jinhyun Lui
  • Compound for organic optoelectronic device, composition for organic optoelectronic device, organic optoelectronic device and display device
    Patent number: 11453659
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device, an organic optoelectronic device, and a display device, the compound for an organic optoelectronic device being represented by the following Chemical Formula 1:
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: September 27, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hanill Lee, Hyung Sun Kim, Chang Ju Shin, Dongkyu Ryu, Jiah Yoon, Sung-Hyun Jung, Handong Chu
  • PHOSPHORESCENT HOST COMPOSITION, ORGANIC OPTOELECTRONIC DIODE, AND DISPLAY DEVICE
    Publication number: 20210111350
    Abstract: Provided are a composition for a phosphorescent host including a first host represented by Chemical Formula 1, a second host represented by a combination of Chemical Formula 2 and Chemical Formula 3; and an organic optoelectronic device including an anode and a cathode facing each other and an organic layer disposed between the anode and the cathode, wherein the organic layer includes an auxiliary layer including at least one of a hole injection layer, a hole transport layer, an electron injection layer, and an electron transport layer and a light emitting layer, and the light emitting layer includes a phosphorescent dopant having a maximum photoluminescence wavelength of 550 nm to 750 nm along with the composition, and a display device including the same. Details of Chemical Formulae 1 to 3 are the same as defined in the specification.
    Type: Application
    Filed: May 25, 2018
    Publication date: April 15, 2021
    Inventors: Jinhyun LUI, Jaehan PARK, Ho Kuk JUNG, Pyeongseok CHO, Dong Min KANG, Sangshin LEE, Seungjae LEE, Kipo JANG, Sung-Hyun JUNG, Juyeon JUNG, Handong CHU
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20200407348
    Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device, an organic optoelectronic device, and a display device, the compound for an organic optoelectronic device being represented by the following Chemical Formula 1:
    Type: Application
    Filed: June 26, 2020
    Publication date: December 31, 2020
    Inventors: Hanill LEE, Hyung Sun KIM, Chang Ju SHIN, Dongkyu RYU, Jiah YOON, Sung-Hyun JUNG, Handong CHU
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DIODE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DIODE, ORGANIC OPTOELECTRONIC DIODE AND DISPLAY DEVICE
    Publication number: 20200388766
    Abstract: Provided are: a compound for an organic optoelectronic diode; a composition for an organic optoelectronic diode including the same; an organic optoelectronic diode including the composition for the organic optoelectronic diode as a host; and a display device including the organic optoelectronic diode.
    Type: Application
    Filed: December 31, 2018
    Publication date: December 10, 2020
    Inventors: Changwoo KIM, Seungjae LEE, Hyung Sun KIM, Dong Wan RYU, Chang Ju SHIN, Kipo JANG, Sung-Hyun JUNG, Juyeon JUNG, Handong CHU
  • ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20200176685
    Abstract: An organic optoelectronic device and a display device, the organic optoelectronic device including 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 a combination of Chemical Formula 1 and Chemical Formula 2, and a second compound represented by Chemical Formula 3, and the hole transport auxiliary layer includes a third compound represented by Chemical Formula 4:
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Inventors: Giwook KANG, Dong Min KANG, Byungku KIM, Jun Seok KIM, Eun Sun YU, Namheon LEE, Kipo JANG, Handong CHU, Jinhyun LUI