Patents by Inventor Sohee JO

Sohee JO 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).

  • Publication number: 20240107877
    Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and a plurality of functional layers disposed between the first electrode and the second electrode.
    Type: Application
    Filed: May 24, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jeong Min LEE, MINJI KIM, HANKYU PAK, BYEONGWOOK YOO, SOHEE JO
  • Publication number: 20240090323
    Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes an amine compound containing a fluorene group; an aryl group having 6 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; a heteroaryl group having 2 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; and at least one amine group, which is substituted to the fluorene group; wherein all the carbons of the aryl group are substituted with deuterium, and the organic electroluminescence device exhibits high efficiency and a long service life.
    Type: Application
    Filed: October 27, 2023
    Publication date: March 14, 2024
    Inventors: Dongjun KIM, Minji KIM, Eunjae JEONG, Sohee JO, Sanghyun HAN
  • Publication number: 20240090320
    Abstract: The present disclosure relates to a light emitting element and an amine compound for the light emitting element, and the light emitting element of an embodiment includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode, wherein an amine compound represented by Formula 1 is included in the at least one functional layer, thereby improving emission efficiency and element life of the light emitting element.
    Type: Application
    Filed: May 17, 2023
    Publication date: March 14, 2024
    Inventors: MINJI KIM, HANKYU PAK, HYUNBIN PARK, BYEONGWOOK YOO, JEONG MIN LEE, SOHEE JO
  • Publication number: 20240057473
    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, wherein the functional layer includes an amine compound including a spiro-bonded linker of two hydrocarbon rings and two amine groups connected with the linker. The light emitting element may have improved emission efficiency and element life.
    Type: Application
    Filed: July 7, 2023
    Publication date: February 15, 2024
    Inventors: HANKYU PAK, MINJI KIM, BYEONGWOOK YOO, Jeongmin LEE, SOHEE JO
  • Publication number: 20240049593
    Abstract: A light emitting device includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including an amine compound represented by Formula 1.
    Type: Application
    Filed: May 9, 2023
    Publication date: February 8, 2024
    Inventors: MINJI KIM, HANKYU PAK, DONGJUN KIM, Chaeyeong KIM, HYUNBIN PARK, BYEONGWOOK YOO, Jeongmin LEE, EUNJAE JEONG, SEOWON CHO, SOHEE JO, JIYONG CHOI, SANGHYUN HAN
  • Publication number: 20240016055
    Abstract: Provided is a light-emitting device including a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and an amine-containing compound represented by Formula 1, wherein the detailed description of Formula 1 is the same as described in the present specification:
    Type: Application
    Filed: June 8, 2023
    Publication date: January 11, 2024
    Inventors: Dongjun Kim, Chaeyeong Kim, Hankyu Pak, Byeongwook Yoo, Seowon Cho, Sohee Jo
  • Publication number: 20240002366
    Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode, the interlayer including an emission layer; and a heterocyclic compound represented by Formula 1: Formula 1 may be understood by referring to the description of Formula 1 provided herein. An electronic apparatus may include the light-emitting device.
    Type: Application
    Filed: August 1, 2022
    Publication date: January 4, 2024
    Inventors: Hankyu Pak, Dongjun Kim, Minji Kim, Eunjae Jeong, Sanghyun Han, Byeongwook Yoo, Sohee Jo, Hyunbin Park
  • Patent number: 11856844
    Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes an amine compound containing a fluorene group; an aryl group having 6 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; a heteroaryl group having 2 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; and at least one amine group, which is substituted to the fluorene group; wherein all the carbons of the aryl group are substituted with deuterium, and the organic electroluminescence device exhibits high efficiency and a long service life.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: December 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongjun Kim, Minji Kim, Eunjae Jeong, Sohee Jo, Sanghyun Han
  • Publication number: 20230413663
    Abstract: A light emitting element of one or more embodiments may include 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. The at least one functional layer may include an amine compound of one or more embodiments, represented by Formula 1. Accordingly, the light emitting element of one or more embodiments may show a low driving voltage, high luminance, high efficiency and long-life characteristics.
    Type: Application
    Filed: May 4, 2023
    Publication date: December 21, 2023
    Inventors: MINJI KIM, HANKYU PAK, BYEONGWOOK YOO, JEONGMIN LEE, SOHEE JO
  • Publication number: 20230389417
    Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and an amine-containing compound represented by Formula 1, which is defined in the specification.
    Type: Application
    Filed: February 21, 2023
    Publication date: November 30, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dongjun Kim, Chaeyeong Kim, Hankyu Pak, Byeongwook Yoo, Seowon Cho, Sohee Jo
  • Publication number: 20230363261
    Abstract: A light emitting diode 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 hole transport region includes a first hole transport layer disposed adjacent to the first electrode and having a first refractive index, a second hole transport layer disposed adjacent to the emission layer and having a second refractive index, and a third hole transport layer disposed between the first hole transport layer and the second hole transport layer and having a third refractive index which is greater than each of the first refractive index and the second refractive index, thereby showing high light extraction efficiency and high emission efficiency properties.
    Type: Application
    Filed: July 6, 2023
    Publication date: November 9, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: BORA LEE, HYOMIN KO, ILLHUN CHO, EUNJAE JEONG, MINJI KIM, SOHEE JO, DONGJUN KIM, HANKYU PAK, SANGHYUN HAN
  • Publication number: 20230329100
    Abstract: A light emitting element that includes a first electrode, a second electrode, a functional layer between the first electrode and the second electrode, and a capping layer on the second electrode and including an amine compound represented by Formula 1 is provided. The light emitting element may exhibit high efficiency and high luminance characteristics.
    Type: Application
    Filed: February 9, 2023
    Publication date: October 12, 2023
    Inventors: SANGHYUN HAN, YOUNGJIN PARK, HANKYU PAK, HEECHOON AHN, HYUNAH UM, EUNJAE JEONG, SEOWON CHO, SOHEE JO
  • Patent number: 11770973
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode and a second electrode which are faced to each other, and a plurality of organic layers between the first electrode and the second electrode, and at least one organic layer selected from among the organic layers includes an amine compound represented by Formula 1 below, and thus, the organic electroluminescence device can exhibit improved emitting efficiency and long device lifespan.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: September 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sanghyun Han, Dongjun Kim, Minji Kim, Jongwoo Kim, Eunjae Jeong, Sohee Jo
  • Patent number: 11744147
    Abstract: A light emitting diode 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 hole transport region includes a first hole transport layer disposed adjacent to the first electrode and having a first refractive index, a second hole transport layer disposed adjacent to the emission layer and having a second refractive index, and a third hole transport layer disposed between the first hole transport layer and the second hole transport layer and having a third refractive index which is greater than each of the first refractive index and the second refractive index, thereby showing high light extraction efficiency and high emission efficiency properties.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bora Lee, Hyomin Ko, Illhun Cho, Eunjae Jeong, Minji Kim, Sohee Jo, Dongjun Kim, Hankyu Pak, Sanghyun Han
  • Patent number: 11737356
    Abstract: An organic electroluminescence device 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 of the plurality of organic layers includes an amine compound, the amine compound includes a central nitrogen atom, a carbazole group substituted to the central nitrogen atom, and a dibenzoselenophene group substituted to the central nitrogen atom, and a nitrogen atom of the carbazole group is substituted with a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group. The organic electroluminescence device thereby has high efficiency and long-life.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: August 22, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongjun Kim, Minji Kim, Eunjae Jeong, Sohee Jo, Sanghyun Han
  • Patent number: 11711978
    Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1 In Formula 1, X is O or S, one selected from R1 to R8 is a group represented by Formula 2-1, and one selected from the remaining groups is a group represented by Formula 2-2, wherein, when X is O, one selected from R1, R2, R4, R5, R7, and R8 is a group represented by Formula 2-1.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: July 25, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minji Kim, Dongjun Kim, Eunjae Jeong, Sohee Jo, Sanghyun Han
  • Publication number: 20230200218
    Abstract: Provided are an amine compound represented by Formula 1, a light-emitting device including the same, and an electronic apparatus including the light-emitting device. The light-emitting device includes: a first electrode; a second electrode facing the second electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and at least one of the amine compound represented by Formula 1.
    Type: Application
    Filed: November 11, 2022
    Publication date: June 22, 2023
    Inventors: Hankyu Pak, Dongjun Kim, Chaeyeong Kim, Byeongwook Yoo, Seowon Cho, Sohee Jo
  • Publication number: 20230200221
    Abstract: A condensed cyclic compound represented by Formula 1, a light-emitting device including the condensed cyclic compound, and an electronic apparatus including the light-emitting device: wherein substituents of Formula 1 are the same as described herein.
    Type: Application
    Filed: December 7, 2022
    Publication date: June 22, 2023
    Inventors: Hankyu Pak, Dongjun Kim, Chaeyeong Kim, Byeongwook Yoo, Seowon Cho, Sohee Jo
  • Patent number: 11667608
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes the compound of Formula 1: When the compound of Formula 1 is used in an organic light-emitting device, the organic light-emitting device may have high-efficiency characteristics as compared to a case where a compound of the related art is used, resulting particularly in excellent lifespan improvement effects, and accordingly, significantly improved lifespan.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: June 6, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongjun Kim, Minji Kim, Eunjae Jeong, Sohee Jo, Sanghyun Han
  • Publication number: 20230172056
    Abstract: An amine-based compound is represented by Formula 1. A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the amine-based compound. An electronic apparatus includes the light-emitting device: The description of Formula 1 is the same as in the specification.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 1, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dongjun KIM, Chaeyeong KIM, Hankyu PAK, Byeongwook YOO, Seowon CHO, Sohee JO