Patents by Inventor Akinori YAMATANI

Akinori YAMATANI 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).

  • Patent number: 11165029
    Abstract: Provided are an amine compound and an organic electroluminescence device including the same.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: November 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Masatsugu Ueno, Akinori Yamatani, Hiroaki Itoi
  • Publication number: 20210135110
    Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.
    Type: Application
    Filed: January 7, 2021
    Publication date: May 6, 2021
    Inventors: Ichinori TAKADA, Akinori YAMATANI, Ichiro IMADA, Hiroaki ITOI
  • Publication number: 20210119138
    Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes a polycyclic compound containing two aromatic 6-membered rings which are linked by a single bond, and a plurality of benzimidazole groups which are substituted at the two aromatic 6-membered rings, wherein each of the two aromatic 6-membered rings includes a carbon atom or a nitrogen atom as an atom for forming a ring.
    Type: Application
    Filed: July 16, 2020
    Publication date: April 22, 2021
    Inventors: Akinori YAMATANI, Ikuo SASAKI, Makoto YAMAMOTO
  • Patent number: 10923663
    Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: February 16, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ichinori Takada, Akinori Yamatani, Ichiro Imada, Hiroaki Itoi
  • Publication number: 20200403158
    Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1 below.
    Type: Application
    Filed: March 4, 2020
    Publication date: December 24, 2020
    Inventor: Akinori YAMATANI
  • Patent number: 10818850
    Abstract: An organic electroluminescence device and a compound including nitrogen for an organic electroluminescence device are provided. The compound including nitrogen according to an embodiment of the present disclosure is represented by Formula 1.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: October 27, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Akinori Yamatani
  • Patent number: 10777747
    Abstract: Provided are an amine compound and an organic electroluminescence device including the same. The amine compound according to an embodiment of the inventive concept is represented by Formula 1 below.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: September 15, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hiroaki Itoi, Akinori Yamatani, Hideo Miyake, Masatsugu Ueno
  • Publication number: 20200287138
    Abstract: An organic electroluminescence device having high luminous efficiency includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1.
    Type: Application
    Filed: January 10, 2020
    Publication date: September 10, 2020
    Inventors: Yuji SUZAKI, Akinori YAMATANI, Nobutaka AKASHI
  • Publication number: 20200280004
    Abstract: A heterocyclic compound and an organic electroluminescence device including the same, the heterocyclic compound being represented by Formula 1 below:
    Type: Application
    Filed: May 15, 2020
    Publication date: September 3, 2020
    Inventor: Akinori YAMATANI
  • Publication number: 20200243769
    Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound containing one electron donor and one electron acceptor, and the electron donor includes an azaborine group and the electron acceptor includes any one of a cyano group, a carbonyl group, a boron group, a sulfonyl group, a sulfinyl group, a phosphine oxide group, a nitrogen-containing five-membered ring, or a nitrogen-containing six-membered monocyclic ring.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 30, 2020
    Inventors: Yuji SUZAKI, Akinori YAMATANI
  • Publication number: 20200227639
    Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1: wherein in Formula 1, at least one selected from Ring A and Ring B is a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring.
    Type: Application
    Filed: September 11, 2019
    Publication date: July 16, 2020
    Inventor: Akinori YAMATANI
  • Patent number: 10700296
    Abstract: A heterocyclic compound and an organic electroluminescence device including the same, the heterocyclic compound being represented by Formula 1 below:
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: June 30, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Akinori Yamatani
  • Publication number: 20200044159
    Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, the emission layer including a condensed polycyclic compound of three or more six-membered rings, at least two six-membered rings among the six-membered rings including an electron donor moiety and an electron acceptor moiety at facing positions, respectively, the at least two six-membered rings not being immediately adjacent to each other, an electron transport region on the emission layer, and a second electrode on the electron transport region.
    Type: Application
    Filed: July 26, 2019
    Publication date: February 6, 2020
    Inventor: Akinori YAMATANI
  • Publication number: 20190214585
    Abstract: An organic electroluminescence device and a polycyclic compound used for the organic electroluminescence device are provided. The polycyclic compound according to an embodiment of the inventive concept is represented by Formula 1. In Formula 1, Y is B, P?O, or P?S, and X is SiR3R4, or GeR5R6. At least one of R1 or R2 is NAr2Ar3.
    Type: Application
    Filed: January 3, 2019
    Publication date: July 11, 2019
    Inventor: Akinori YAMATANI
  • Publication number: 20190198773
    Abstract: An organic electroluminescence device and a compound including nitrogen for an organic electroluminescence device are provided. The compound including nitrogen according to an embodiment of the present disclosure is represented by Formula 1.
    Type: Application
    Filed: September 12, 2018
    Publication date: June 27, 2019
    Inventor: Akinori Yamatani
  • Publication number: 20190148652
    Abstract: A nitrogen-containing compound is represented by the following Formula 1 where B1 to B4 are each independently N or CR1, A1 is an electron accepting group, L1 and R1 are further defined, and D is an electron donating group represented by the following Formula 2 X is Si or Ge and Y1, Y2, R2, R3, n and m are further defined. An organic electroluminescence device includes the nitrogen-containing compound.
    Type: Application
    Filed: July 23, 2018
    Publication date: May 16, 2019
    Inventor: Akinori YAMATANI
  • Publication number: 20190062354
    Abstract: A polycyclic compound and an organic electroluminescence device including the same, the polycyclic compound being represented by Formula 1:
    Type: Application
    Filed: July 12, 2018
    Publication date: February 28, 2019
    Inventor: Akinori YAMATANI
  • Publication number: 20180159046
    Abstract: Provided are an amine compound and an organic electroluminescence device including the same.
    Type: Application
    Filed: December 4, 2017
    Publication date: June 7, 2018
    Inventors: Hiroaki ITOI, Akinori YAMATANI, Hideo MIYAKE, Masatsugu UENO
  • Publication number: 20180130965
    Abstract: A heterocyclic compound and an organic electroluminescence device including the same, the heterocyclic compound being represented by Formula 1 below:
    Type: Application
    Filed: September 29, 2017
    Publication date: May 10, 2018
    Inventor: Akinori YAMATANI
  • Publication number: 20180123057
    Abstract: Disclosed are a polycyclic compound and an organic electroluminescence device including the same.
    Type: Application
    Filed: August 2, 2017
    Publication date: May 3, 2018
    Inventor: Akinori YAMATANI