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).
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Patent number: 11943945Abstract: 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: GrantFiled: September 13, 2021Date of Patent: March 26, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jang Joo Kim, Young Seo Park, Sung Hun Lee, Kwon Hyeon Kim
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Publication number: 20230276646Abstract: 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: ApplicationFiled: April 18, 2023Publication date: August 31, 2023Inventors: Jong Soo Kim, Jang-joo Kim, Bomi Sim, Hosuk Kang, Eunsuk Kwon, Sunghan Kim, Joonghyuk Kim, Sungho Nam, Hyejin Bae, Sooghang Ihn
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Publication number: 20210408421Abstract: 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: ApplicationFiled: September 13, 2021Publication date: December 30, 2021Inventors: Jang Joo KIM, Young Seo PARK, Sung Hun LEE, Kwon Hyeon KIM
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Patent number: 11152583Abstract: 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: GrantFiled: November 21, 2018Date of Patent: October 19, 2021Assignee: SAMSUNG ELECTRONICS CO., LTDInventors: Jang Joo Kim, Young Seo Park, Sung Hun Lee, Kwon Hyeon Kim
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Publication number: 20210036238Abstract: 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: ApplicationFiled: July 31, 2020Publication date: February 4, 2021Inventors: Jong Soo Kim, Jang-joo Kim, Bomi Sim, Hosuk Kang, Eunsuk Kwon, Sunghan Kim, Joonghyuk Kim, Sungho Nam, Hyejin Bae, Sooghang Ihn
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Patent number: 10636844Abstract: 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 thType: GrantFiled: January 18, 2019Date of Patent: April 28, 2020Assignees: Samsung Electronics Co., Ltd., SNU R&DB FoundationInventors: Kyu Sik Kim, Jang-Joo Kim, Gae Hwang Lee, Ryuichi Satoh, Yong Wan Jin, Dae-Ho Kim
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Patent number: 10418573Abstract: 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: GrantFiled: July 27, 2015Date of Patent: September 17, 2019Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Jang-Joo Kim, Hyun-Gu Kim, Kwon-Hyeon Kim, Jin-Won Sun
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Publication number: 20190157351Abstract: 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 thType: ApplicationFiled: January 18, 2019Publication date: May 23, 2019Applicants: Samsung Electronics Co., Ltd., SNU R&DB FoundationInventors: Kyu Sik KIM, Jang-Joo Kim, Gae Hwang Lee, Ryuichi Satoh, Yong Wan Jin, Dae-Ho Kim
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Publication number: 20190097155Abstract: 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: ApplicationFiled: November 21, 2018Publication date: March 28, 2019Inventors: Jang Joo KIM, Young Seo PARK, Sung Hun LEE, Kwon Hyeon KIM
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Patent number: 10224376Abstract: 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 thType: GrantFiled: July 8, 2015Date of Patent: March 5, 2019Assignees: Samsung Electronics Co., Ltd., SNU R&DB FoundationInventors: Kyu Sik Kim, Jang-Joo Kim, Gae Hwang Lee, Ryuichi Satoh, Yong Wan Jin, Dae-Ho Kim
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Patent number: 10177329Abstract: 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: GrantFiled: April 10, 2013Date of Patent: January 8, 2019Assignee: SAMSUNG ELECTRONICS CO., LTDInventors: Jang Joo Kim, Young Seo Park, Sung Hun Lee, Kwon Hyeon Kim
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Patent number: 10090483Abstract: 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: GrantFiled: July 28, 2017Date of Patent: October 2, 2018Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Jang-Joo Kim, Jin-Won Sun
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Publication number: 20180033987Abstract: 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: ApplicationFiled: July 28, 2017Publication date: February 1, 2018Inventors: Jang-Joo Kim, Jin-Won Sun
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Publication number: 20170346029Abstract: 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: ApplicationFiled: July 27, 2015Publication date: November 30, 2017Inventors: Jang-Joo KIM, Hyun-Gu KIM, Kwon-Hyeon KIM, Jin-Won SUN
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Patent number: 9692015Abstract: 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: GrantFiled: January 3, 2012Date of Patent: June 27, 2017Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: 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
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Patent number: 9666817Abstract: 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: GrantFiled: January 14, 2016Date of Patent: May 30, 2017Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB FoundationInventors: Kyusik Kim, Jang-Joo Kim, Dae-Ho Kim
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Publication number: 20170033303Abstract: 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: ApplicationFiled: January 14, 2016Publication date: February 2, 2017Applicant: Seoul National University R&DB FoundationInventors: Kyusik KIM, Jang-Joo KIM, Dae-Ho KIM
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Publication number: 20160164020Abstract: 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: ApplicationFiled: December 2, 2015Publication date: June 9, 2016Inventors: Jang Joo KIM, Jin Won SUN, Jeong Hwan LEE, Kwon Hyeon KIM
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Publication number: 20160099430Abstract: 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 thType: ApplicationFiled: July 8, 2015Publication date: April 7, 2016Inventors: Kyu Sik KIM, Jang-Joo KIM, Gae Hwang LEE, Ryuichi SATOH, Yong Wan JIN, Dae-Ho KIM
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Publication number: 20150069352Abstract: 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: ApplicationFiled: April 10, 2013Publication date: March 12, 2015Applicant: SNU R&DB FOUNDATIONInventors: Jang Joo Kim, Young Seo Park, Sung Hun Lee, Kwon Hyeon Kim