Patents by Inventor Jang Joo Kim

Jang Joo Kim 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: 11943945
    Abstract: An organic light-emitting diode (“OLED”) includes a bottom electrode, a top electrode disposed opposite to the bottom electrode, and an organic layer that is interposed between the bottom electrode and the top electrode and includes a hole-transporting host and an electron-transporting host forming an exciplex and a phosphorescent dopant having a triplet energy which is lower than the triplet energy of the hole-transporting host, the triplet energy of the electron-transporting host, and the triplet energy of the exciplex, and a lighting device and a display apparatus including the OLED. Instead of a phosphorescent dopant, the fluorescent dopant having a singlet energy which is lower than the singlet energy of the exciplex may be also used.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jang Joo Kim, Young Seo Park, Sung Hun Lee, Kwon Hyeon Kim
  • Publication number: 20230276646
    Abstract: Provided are an organic light-emitting device satisfying a certain range of [Q(t=T50)]Polaron and an electronic apparatus including the organic light-emitting device.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 31, 2023
    Inventors: Jong Soo Kim, Jang-joo Kim, Bomi Sim, Hosuk Kang, Eunsuk Kwon, Sunghan Kim, Joonghyuk Kim, Sungho Nam, Hyejin Bae, Sooghang Ihn
  • Publication number: 20210408421
    Abstract: An organic light-emitting diode (“OLED”) includes a bottom electrode, a top electrode disposed opposite to the bottom electrode, and an organic layer that is interposed between the bottom electrode and the top electrode and includes a hole-transporting host and an electron-transporting host forming an exciplex and a phosphorescent dopant having a triplet energy which is lower than the triplet energy of the hole-transporting host, the triplet energy of the electron-transporting host, and the triplet energy of the exciplex, and a lighting device and a display apparatus including the OLED. Instead of a phosphorescent dopant, the fluorescent dopant having a singlet energy which is lower than the singlet energy of the exciplex may be also used.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Inventors: Jang Joo KIM, Young Seo PARK, Sung Hun LEE, Kwon Hyeon KIM
  • Patent number: 11152583
    Abstract: Provided are an organic light-emitting diode (“OLED”) including a bottom electrode, a top electrode disposed opposite to the bottom electrode, and an organic layer that is interposed between the bottom electrode and the top electrode and includes a hole-transporting host and an electron-transporting host forming an exciplex and a phosphorescent dopant having a triplet energy which is lower than the triplet energy of the hole-transporting host, the triplet energy of the electron-transporting host, and the triplet energy of the exciplex, and a lighting device and a display apparatus including the OLED. Instead of a phosphorescent dopant, the fluorescent dopant having a singlet energy which is lower than the singlet energy of the exciplex may be also used.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Jang Joo Kim, Young Seo Park, Sung Hun Lee, Kwon Hyeon Kim
  • Publication number: 20210036238
    Abstract: Provided are an organic light-emitting device satisfying a certain range of [Q(t=T50)]Polaron and an electronic apparatus including the organic light-emitting device.
    Type: Application
    Filed: July 31, 2020
    Publication date: February 4, 2021
    Inventors: Jong Soo Kim, Jang-joo Kim, Bomi Sim, Hosuk Kang, Eunsuk Kwon, Sunghan Kim, Joonghyuk Kim, Sungho Nam, Hyejin Bae, Sooghang Ihn
  • Patent number: 10636844
    Abstract: Provided is an organic photoelectronic device including a first light-transmitting electrode positioned at a light incidence side, a second light-transmitting electrode facing the first light-transmitting electrode, a photoactive layer positioned between the first light-transmitting electrode and the second light-transmitting electrode and selectively absorbing light in a given (or, alternatively, desired or predetermined) wavelength region, and a selective light transmittance layer positioned between the first light-transmitting electrode and the photoactive layer, between the second light-transmitting electrode and the photoactive layer, or between the first light-transmitting electrode and the photoactive layer and between the second light-transmitting electrode and the photoactive layer and increasing transmittance of the light in a wavelength region other than the given (or, alternatively, desired or predetermined) wavelength region absorbed by the photoactive layer, and an electronic device including th
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: April 28, 2020
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Kyu Sik Kim, Jang-Joo Kim, Gae Hwang Lee, Ryuichi Satoh, Yong Wan Jin, Dae-Ho Kim
  • Patent number: 10418573
    Abstract: According to an aspect, an organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an emission layer disposed between the first electrode and the second electrode and including a host and a dopant, wherein the host is an exciplex host, which is a combination of a hole transporting host and an electron transporting host which form an exciplex, or a delayed fluorescent organic compound, and the dopant includes both a phosphorescent dopant and a fluorescent dopant.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: September 17, 2019
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jang-Joo Kim, Hyun-Gu Kim, Kwon-Hyeon Kim, Jin-Won Sun
  • Publication number: 20190157351
    Abstract: Provided is an organic photoelectronic device including a first light-transmitting electrode positioned at a light incidence side, a second light-transmitting electrode facing the first light-transmitting electrode, a photoactive layer positioned between the first light-transmitting electrode and the second light-transmitting electrode and selectively absorbing light in a given (or, alternatively, desired or predetermined) wavelength region, and a selective light transmittance layer positioned between the first light-transmitting electrode and the photoactive layer, between the second light-transmitting electrode and the photoactive layer, or between the first light-transmitting electrode and the photoactive layer and between the second light-transmitting electrode and the photoactive layer and increasing transmittance of the light in a wavelength region other than the given (or, alternatively, desired or predetermined) wavelength region absorbed by the photoactive layer, and an electronic device including th
    Type: Application
    Filed: January 18, 2019
    Publication date: May 23, 2019
    Applicants: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Kyu Sik KIM, Jang-Joo Kim, Gae Hwang Lee, Ryuichi Satoh, Yong Wan Jin, Dae-Ho Kim
  • Publication number: 20190097155
    Abstract: Provided are an organic light-emitting diode (“OLED”) including a bottom electrode, a top electrode disposed opposite to the bottom electrode, and an organic layer that is interposed between the bottom electrode and the top electrode and includes a hole-transporting host and an electron-transporting host forming an exciplex and a phosphorescent dopant having a triplet energy which is lower than the triplet energy of the hole-transporting host, the triplet energy of the electron-transporting host, and the triplet energy of the exciplex, and a lighting device and a display apparatus including the OLED. Instead of a phosphorescent dopant, the fluorescent dopant having a singlet energy which is lower than the singlet energy of the exciplex may be also used.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 28, 2019
    Inventors: Jang Joo KIM, Young Seo PARK, Sung Hun LEE, Kwon Hyeon KIM
  • Patent number: 10224376
    Abstract: Provided is an organic photoelectronic device including a first light-transmitting electrode positioned at a light incidence side, a second light-transmitting electrode facing the first light-transmitting electrode, a photoactive layer positioned between the first light-transmitting electrode and the second light-transmitting electrode and selectively absorbing light in a given (or, alternatively, desired or predetermined) wavelength region, and a selective light transmittance layer positioned between the first light-transmitting electrode and the photoactive layer, between the second light-transmitting electrode and the photoactive layer, or between the first light-transmitting electrode and the photoactive layer and between the second light-transmitting electrode and the photoactive layer and increasing transmittance of the light in a wavelength region other than the given (or, alternatively, desired or predetermined) wavelength region absorbed by the photoactive layer, and an electronic device including th
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: March 5, 2019
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Kyu Sik Kim, Jang-Joo Kim, Gae Hwang Lee, Ryuichi Satoh, Yong Wan Jin, Dae-Ho Kim
  • Patent number: 10177329
    Abstract: Provided are an organic light-emitting diode (“OLED”) including a bottom electrode, a top electrode disposed opposite to the bottom electrode, and an organic layer that is interposed between the bottom electrode and the top electrode and includes a hole-transporting host and an electron-transporting host forming an exciplex and a phosphorescent dopant having a triplet energy which is lower than the triplet energy of the hole-transporting host, the triplet energy of the electron-transporting host, and the triplet energy of the exciplex, and a lighting device and a display apparatus including the OLED. Instead of a phosphorescent dopant, the fluorescent dopant having a singlet energy which is lower than the singlet energy of the exciplex may be also used.
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: January 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Jang Joo Kim, Young Seo Park, Sung Hun Lee, Kwon Hyeon Kim
  • Patent number: 10090483
    Abstract: An organic light-emitting device is provided, including: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer; the emission layer includes a first compound, a second compound, a third compound, and a fourth compound; and a lowest excited triplet energy level (HT1) of the first compound, a lowest excited triplet energy level (DFDT1) of the third compound, and a lowest excited triplet energy level (FDT1) of the fourth compound satisfy Inequation 1: HT1>DFDT1>FDT1.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: October 2, 2018
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jang-Joo Kim, Jin-Won Sun
  • Publication number: 20180033987
    Abstract: An organic light-emitting device is provided, including: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer; the emission layer includes a first compound, a second compound, a third compound, and a fourth compound; and a lowest excited triplet energy level (HT1) of the first compound, a lowest excited triplet energy level (DFDT1) of the third compound, and a lowest excited triplet energy level (FDT1) of the fourth compound satisfy Inequation 1: HT1>DFDT1>FDT1.
    Type: Application
    Filed: July 28, 2017
    Publication date: February 1, 2018
    Inventors: Jang-Joo Kim, Jin-Won Sun
  • Publication number: 20170346029
    Abstract: According to an aspect, an organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an emission layer disposed between the first electrode and the second electrode and including a host and a dopant, wherein the host is an exciplex host, which is a combination of a hole transporting host and an electron transporting host which form an exciplex, or a delayed fluorescent organic compound, and the dopant includes both a phosphorescent dopant and a fluorescent dopant.
    Type: Application
    Filed: July 27, 2015
    Publication date: November 30, 2017
    Inventors: Jang-Joo KIM, Hyun-Gu KIM, Kwon-Hyeon KIM, Jin-Won SUN
  • Patent number: 9692015
    Abstract: An organic light emitting device having a photonic crystal structure and a manufacturing method thereof are provided. The organic light emitting device comprises: a substrate through which light passes; a photonic crystal layer formed on the substrate and having a photonic crystal structure; an intermediate layer formed on the photonic crystal layer and having a large refractive index compared with the photonic crystal layer; a first electrode layer formed on the intermediate layer; a light emitting layer formed on the first electrode layer and emitting light according to current flow; and a second electrode layer formed on the light emitting layer.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: June 27, 2017
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Jong-Youp Shim, Jun-Ho Jeong, Ki-Don Kim, Dae-Geun Choi, Jun-Hyuk Choi, Eung-Sug Lee, So-Hee Jeon, Jae-R. Youn, Jang-Joo Kim
  • Patent number: 9666817
    Abstract: An organic photodetector includes an anode and a cathode facing each other and an active layer between the anode and the cathode and including a p-type semiconductor and an n-type semiconductor, wherein an energy barrier between the anode or the cathode and the active layer is greater than or equal to about 1.3 eV, a difference between a HOMO energy level of the p-type semiconductor and a LUMO energy level of the n-type semiconductor is greater than or equal to about 0.8 eV.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 30, 2017
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Kyusik Kim, Jang-Joo Kim, Dae-Ho Kim
  • Publication number: 20170033303
    Abstract: An organic photodetector includes an anode and a cathode facing each other and an active layer between the anode and the cathode and including a p-type semiconductor and an n-type semiconductor, wherein an energy barrier between the anode or the cathode and the active layer is greater than or equal to about 1.3 eV, a difference between a HOMO energy level of the p-type semiconductor and a LUMO energy level of the n-type semiconductor is greater than or equal to about 0.8 eV.
    Type: Application
    Filed: January 14, 2016
    Publication date: February 2, 2017
    Applicant: Seoul National University R&DB Foundation
    Inventors: Kyusik KIM, Jang-Joo KIM, Dae-Ho KIM
  • Publication number: 20160164020
    Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer that is disposed between the first electrode and the second electrode and includes a mixed host and a dopant, wherein the mixed host includes a hole transporting host and an electron transporting host which together form an exciplex, and the dopant includes a compound that emits delayed fluorescent light.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 9, 2016
    Inventors: Jang Joo KIM, Jin Won SUN, Jeong Hwan LEE, Kwon Hyeon KIM
  • Publication number: 20160099430
    Abstract: Provided is an organic photoelectronic device including a first light-transmitting electrode positioned at a light incidence side, a second light-transmitting electrode facing the first light-transmitting electrode, a photoactive layer positioned between the first light-transmitting electrode and the second light-transmitting electrode and selectively absorbing light in a given (or, alternatively, desired or predetermined) wavelength region, and a selective light transmittance layer positioned between the first light-transmitting electrode and the photoactive layer, between the second light-transmitting electrode and the photoactive layer, or between the first light-transmitting electrode and the photoactive layer and between the second light-transmitting electrode and the photoactive layer and increasing transmittance of the light in a wavelength region other than the given (or, alternatively, desired or predetermined) wavelength region absorbed by the photoactive layer, and an electronic device including th
    Type: Application
    Filed: July 8, 2015
    Publication date: April 7, 2016
    Inventors: Kyu Sik KIM, Jang-Joo KIM, Gae Hwang LEE, Ryuichi SATOH, Yong Wan JIN, Dae-Ho KIM
  • Publication number: 20150069352
    Abstract: Provided are an organic light-emitting diode (“OLED”) including a bottom electrode, a top electrode disposed opposite to the bottom electrode, and an organic layer that is interposed between the bottom electrode and the top electrode and includes a hole-transporting host and an electron-transporting host forming an exciplex and a phosphorescent dopant having a triplet energy which is lower than the triplet energy of the hole-transporting host, the triplet energy of the electron-transporting host, and the triplet energy of the exciplex, and a lighting device and a display apparatus including the OLED. Instead of a phosphorescent dopant, the fluorescent dopant having a singlet energy which is lower than the singlet energy of the exciplex may be also used.
    Type: Application
    Filed: April 10, 2013
    Publication date: March 12, 2015
    Applicant: SNU R&DB FOUNDATION
    Inventors: Jang Joo Kim, Young Seo Park, Sung Hun Lee, Kwon Hyeon Kim