Patents by Inventor Yuma AOKI

Yuma AOKI 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).

  • LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR THE LIGHT EMITTING ELEMENT
    Publication number: 20240334829
    Abstract: A light emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer which is disposed between the first electrode and the second electrode and includes a fused polycyclic compound represented by Formula 1:
    Type: Application
    Filed: February 15, 2024
    Publication date: October 3, 2024
    Inventors: Hirokazu KUWABARA, Ryuhei FURUE, Yuma AOKI
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20240268231
    Abstract: A light emitting element includes a first electrode, a second electrode facing the first electrode, and at least one functional layer between the first electrode and the second electrode, wherein the at least one functional layer includes a first compound represented by Formula 1, and thus the light emitting element may exhibit long lifespan.
    Type: Application
    Filed: November 17, 2023
    Publication date: August 8, 2024
    Inventors: Yuma AOKI, Tetsuji HAYANO, Yuji SUZAKI
  • LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR THE LIGHT EMITTING ELEMENT
    Publication number: 20240268230
    Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode provided on the first electrode, and at least one functional layer provided between the first electrode and the second electrode, and including a fused polycyclic compound having at least one sterically bulky substituent.
    Type: Application
    Filed: October 27, 2023
    Publication date: August 8, 2024
    Inventors: Yuma AOKI, Yuji SUZAKI, Tetsuji HAYANO
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20240138263
    Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.
    Type: Application
    Filed: September 18, 2023
    Publication date: April 25, 2024
    Inventors: Makoto YAMAMOTO, Keigo HOSHI, Yuji SUZAKI, Hirokazu KUWABARA, Nobutaka AKASHI, Ryuhei FURUE, Toshiyuki MATSUURA, Yoshiro SUGITA, Yuma AOKI, Yuuki MIYAZAKI
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20240114787
    Abstract: Embodiments provide a light emitting element which includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, which is explained in the specification.
    Type: Application
    Filed: July 5, 2023
    Publication date: April 4, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yuji SUZAKI, Tetsuji HAYANO, Yuma AOKI
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20230219981
    Abstract: Embodiments provide a polycyclic compound and a light emitting element that includes the polycyclic compound. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes the polycyclic compound, which is represented by Formula 1. Formula 1 is defined in the specification. The light emitting element exhibits a long service life.
    Type: Application
    Filed: December 5, 2022
    Publication date: July 13, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hirokazu KUWABARA, Ryuhei FURUE, Yuma AOKI, Yuuki MIYAZAKI
  • LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
    Publication number: 20230217826
    Abstract: A light emitting element includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode and includes a compound represented by Formula 1 below, thereby exhibiting a long service life characteristic.
    Type: Application
    Filed: January 3, 2023
    Publication date: July 6, 2023
    Inventors: Hirokazu KUWABARA, Ryuhei FURUE, Yuma AOKI, Yuuki MIYAZAKI
  • FUSED POLYCYCLIC COMPOUND AND LIGHT EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20230143071
    Abstract: Provided is a light emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a host and a dopant, and the host includes a compound represented by Formula E-2a or Formula E-2b, and the dopant includes a fused polycyclic compound represented by Formula 1.
    Type: Application
    Filed: July 26, 2022
    Publication date: May 11, 2023
    Inventors: Hirokazu KUWABARA, Ryuhei FURUE, Yuma AOKI, Yuuki MIYAZAKI
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20220246850
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency.
    Type: Application
    Filed: November 22, 2021
    Publication date: August 4, 2022
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ryuhei FURUE, Hirokazu KUWABARA, Yoshiro SUGITA, Yuji SUZAKI, Yuma AOKI