Patents by Inventor Linsong CUI

Linsong CUI 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).

  • Compound, light-emitting lifetime lengthening agent, use of n-type compound, film and light-emitting device
    Patent number: 11482679
    Abstract: A light-emitting device having a light-emitting layer containing a delayed fluorescence emitter and an n-type compound has an extended lifetime and high performance. A compound having a triazine ring substituted by a spiro aromatic group can be used as the n-type compound.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: October 25, 2022
    Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Linsong Cui, Hajime Nakanotani, Chihaya Adachi
  • CHARGE TRANSPORT MATERIAL, COMPOUND, AND ORGANIC LIGHT-EMITTING ELEMENT
    Publication number: 20200399246
    Abstract: A charge transport material containing a compound represented by the following formula (1). R1 and R2 each are a fluoroalkyl group, Ar1 and Ar2 each are an aromatic ring, A1 and A2 each are an aryl group substituted with a group having a positive Hammett ?p value or with a phenyl group, or are a substituted or unsubstituted heteroaryl group bonding to Ar1 or Ar2 via a carbon atom, n1 and n2 each are a natural number.
    Type: Application
    Filed: March 13, 2019
    Publication date: December 24, 2020
    Inventors: Linsong CUI, Chihaya ADACHI, Keiro NASU, Ayataka ENDO, Shuo-Hsien CHENG, YuSeok YANG, Hiroko NOMURA
  • Compound, Light-emitting Lifetime Lengthening Agent, Use of N-type Compound, Film and Light-emitting Device
    Publication number: 20200136056
    Abstract: A light-emitting device having a light-emitting layer containing a delayed fluorescence emitter and an n-type compound has an extended lifetime and high performance. A compound having a triazine ring substituted by a spiro aromatic group can be used as the n-type compound.
    Type: Application
    Filed: May 23, 2018
    Publication date: April 30, 2020
    Inventors: Linsong CUI, Hajime NAKANOTANI, Chihaya ADACHI