Patents by Inventor Kyung-jin Yoon

Kyung-jin Yoon 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: 10892419
    Abstract: Discussed is a space-through charge transfer compound including a naphthalene core; an electron donor moiety selected from carbazole and phenylcarbazole; and an electron acceptor moiety selected from pyridine, diazine, triazole, and phenyl benzodiazole, wherein the electron donor moiety and the electron acceptor moiety are combined to first and eighth positions of the naphthalene core with a benzene linker, respectively.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: January 12, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Hyo-Jin Noh, Kyung-Jin Yoon, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
  • Publication number: 20200194704
    Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and an organic emitting layer between the first and second electrodes. The organic emitting layer includes a first emitting part between the first and second electrodes, a second emitting part between the first emitting part and the second electrode, and a charge generation layer between the first emitting part and the second emitting part. The charge generation layer includes an n-type charge generation layer between the first emitting part and the second emitting part, and a p-type charge generation layer between the n-type charge generation layer and the second emitting part. The p-type charge generation layer has a multi-layered structure, where an organic charge generation material layer and an inorganic charge generation material layer are alternately stacked.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 18, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Bo-Min SEO, Kyung-Jin YOON, Joong-Hwan YANG
  • Publication number: 20200185622
    Abstract: The present disclosure provides a compound of following formula and an organic light emitting device and an organic light emitting display device including the compound. The compound of the present disclosure serves as a host or a dopant in an emitting material layer.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 11, 2020
    Inventors: Kyung-Jin YOON, Yu-Jin BAE, Bo-Min SEO, Jeong-Eun BAEK, Joong-Hwan YANG, Chun-Ki KIM, Jung-Hyun YOON, Hyung-Won CHO, Kyu-Soon SHIN, Jeong-A SEO, Hyung-Jin LEE, Young-Sam JIN, Dong-Hyun LEE
  • Patent number: 10651399
    Abstract: Embodiments relate to a delayed fluorescence compound of The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: May 12, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Joong-Hwan Yang, Kyung-Jin Yoon, Hyo-Jin Noh, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
  • Publication number: 20200048231
    Abstract: The present invention provides an organic compound of following formula and an organic light emitting diode and an OLED device including the organic compound.
    Type: Application
    Filed: July 19, 2019
    Publication date: February 13, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Kyung-Jin YOON, Hyo-Jin NOH, Jeong-Eun BAEK
  • Publication number: 20200048199
    Abstract: An organic compound having a naphtho fluoranthene core and a hetero aromatic group bonded to a specific position of the naphtho fluoranthene core, an organic light-emitting diode and an organic light-emitting device including the compound are disclosed. Since the organic compound has a narrow Stokes Shift between an absorption wavelength and an emission wavelength, the organic compound has a broad overlapped area between its absorption peak and an emission peak of a delayed fluorescent material, and therefore it can emit blue light with high color purity. It is possible to manufacture an organic light-emitting diode (OLED) and an organic light-emitting device that enhance luminous efficiency and color purity using the organic compound.
    Type: Application
    Filed: August 1, 2019
    Publication date: February 13, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Jeong-Eun BAEK, Mi-Sang YOO, Kyung-Jin YOON, Joong-Hwan YANG
  • Publication number: 20190378995
    Abstract: The present disclosure provides a space-through charge transfer compound of following formula and an organic light emitting diode and an organic light emitting display device including the space-through charge transfer compound.
    Type: Application
    Filed: June 12, 2019
    Publication date: December 12, 2019
    Inventors: Hyo-Jin NOH, Kyung-Jin YOON, Bo-Min SEO
  • Publication number: 20190372013
    Abstract: The present disclosure provides a space-through charge transfer compound of following formula and an organic light emitting diode and an organic light emitting display device including the space-through charge transfer compound.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 5, 2019
    Inventors: Hyo-Jin Noh, Kyung-Jin Yoon, Bo-Min Seo
  • Publication number: 20190372022
    Abstract: The present disclosure provides an organic compound having the following formula and an organic light emitting diode (OLED) and an OLED device including the organic compound.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 5, 2019
    Inventors: Kyung-Jin YOON, Hyo-Jin Noh, Jeong-Eun Baek
  • Publication number: 20190081244
    Abstract: Discussed is a space-through charge transfer compound including a naphthalene core; an electron donor moiety selected from carbazole and phenylcarbazole; and an electron acceptor moiety selected from pyridine, diazine, triazole, and phenyl benzodiazole, wherein the electron donor moiety and the electron acceptor moiety are combined to first and eighth positions of the naphthalene core with a benzene linker, respectively.
    Type: Application
    Filed: October 11, 2018
    Publication date: March 14, 2019
    Inventors: Hyo-Jin NOH, Kyung-Jin YOON, Dae-Wi YOON, In-Ae SHIN, Jun-Yun KIM
  • Publication number: 20190036035
    Abstract: Embodiments relate to a delayed fluorescence compound of The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
    Type: Application
    Filed: October 1, 2018
    Publication date: January 31, 2019
    Inventors: Joong-Hwan YANG, Kyung-Jin YOON, Hyo-Jin NOH, Dae-Wi YOON, In-Ae SHIN, Jun-Yun KIM
  • Patent number: 10193085
    Abstract: Embodiments relate to a delayed fluorescence compound of Formula 1: or Formula 2: The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: January 29, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Joong-Hwan Yang, Kyung-Jin Yoon, Hyo-Jin Noh, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
  • Patent number: 10141515
    Abstract: Discussed is a space-through charge transfer compound including a naphthalene core; an electron donor moiety selected from carbazole and phenylcarbazole; and an electron acceptor moiety selected from pyridine, diazine, triazole, and phenyl benzodiazole, wherein the electron donor moiety and the electron acceptor moiety are combined to first and eighth positions of the naphthalene core with a benzene linker, respectively.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: November 27, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Hyo-Jin Noh, Kyung-Jin Yoon, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
  • Patent number: 10135005
    Abstract: Embodiments relate to a delayed fluorescence compound of Formula 1: or Formula 2: The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: November 20, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Joong-Hwan Yang, Kyung-Jin Yoon, Hyo-Jin Noh, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
  • Patent number: 10103345
    Abstract: Provided are a quantum dot light-emitting diode including an interface control layer located between a luminous material layer using quantum dots as a luminous material and at least one charge transfer layer for supplying charges to the luminous material layer, and a quantum dot light-emitting display device including the same. Since the interface control layer is provided between the luminous material layer and the at least one charge transfer layer, the occurrence of an interface defect due to an interfacial energy mismatch between the luminous material layer and the at least one charge transfer layer may be prevented to obtain the luminous material layer including quantum dots with uniform morphology. Furthermore, since the interface control layer is used, oxygen or moisture may be prevented from permeating into the luminous material layer, thereby preventing degradation of the quantum dots used as a luminous material.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: October 16, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Kyung-Jin Yoon, Na-Yeon Lee
  • Publication number: 20180269408
    Abstract: Embodiments relate to a delayed fluorescence compound of Formula 1: or Formula 2: The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
    Type: Application
    Filed: March 13, 2018
    Publication date: September 20, 2018
    Inventors: Joong-Hwan YANG, Kyung-Jin YOON, Hyo-Jin NOH, Dae-Wi YOON, In-Ae SHIN, Jun-Yun KIM
  • Patent number: 10056556
    Abstract: Discussed is a space-through charge transfer compound including a paracyclophane core, an electron donor moiety selected from the group consisting of carbazole and diphenyl amine, and an electron acceptor moiety selected from the group consisting of pyrimidine, diphenyltriazine, and triazole. The electron donor moiety and the electron acceptor moiety are indirectly or directly combined to the paracyclophane core with or without a linker, respectively.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: August 21, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Joong-Hwan Yang, Kyung-Jin Yoon, Hyo-Jin Noh, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
  • Publication number: 20180205023
    Abstract: Embodiments relate to a delayed fluorescence compound of Formula 1: or Formula 2: The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
    Type: Application
    Filed: March 13, 2018
    Publication date: July 19, 2018
    Inventors: Joong-Hwan YANG, Kyung-Jin YOON, Hyo-Jin NOH, Dae-Wi YOON, In-Ae SHIN, Jun-Yun KIM
  • Publication number: 20180138434
    Abstract: Provided are a quantum dot light-emitting diode including an interface control layer located between a luminous material layer using quantum dots as a luminous material and at least one charge transfer layer for supplying charges to the luminous material layer, and a quantum dot light-emitting display device including the same. Since the interface control layer is provided between the luminous material layer and the at least one charge transfer layer, the occurrence of an interface defect due to an interfacial energy mismatch between the luminous material layer and the at least one charge transfer layer may be prevented to obtain the luminous material layer including quantum dots with uniform morphology. Furthermore, since the interface control layer is used, oxygen or moisture may be prevented from permeating into the luminous material layer, thereby preventing degradation of the quantum dots used as a luminous material.
    Type: Application
    Filed: November 13, 2017
    Publication date: May 17, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: Kyung-Jin YOON, Na-Yeon LEE
  • Patent number: 9954186
    Abstract: Embodiments relate to a delayed fluorescence compound of Formula 1: or Formula 2: The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: April 24, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Joong-Hwan Yang, Kyung-Jin Yoon, Hyo-Jin Noh, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim