Patents by Inventor Sunghoon Joo
Sunghoon Joo 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: 11985891Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.Type: GrantFiled: February 10, 2021Date of Patent: May 14, 2024Assignee: SFC Co., Ltd.Inventors: SungHoon Joo, Ji-Hwan Kim, Byung-sun Yang, Hyeon Jun Jo, Sungeun Choi, Su-jin Kim, Bong-Ki Shin
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Patent number: 11980052Abstract: A metasurface includes a substrate with a first surface area having first surface energy, and a second surface area formed to surround the first surface area and having second surface energy less than the first surface energy, a polymer layer provided on the substrate at a position corresponding to the first surface area and including a polymer material and a metal reflective layer provided on the polymer layer and having a phase modulation surface including metal.Type: GrantFiled: January 21, 2021Date of Patent: May 7, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sunghoon Lee, MyongJong Kwon, Wonjae Joo
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Patent number: 11963390Abstract: A light-emitting device and a display apparatus including the same are provided. The light-emitting device includes a metal reflective layer having a phase modulation surface, a first electrode on the metal reflective layer, an organic emission layer which is provided on the first electrode and emits white light, and a second electrode on the organic emission layer. The phase modulation surface includes a plurality of protrusions and a plurality of recesses.Type: GrantFiled: August 11, 2020Date of Patent: April 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sunjin Song, Wonjae Joo, Hyun Koo, Jisoo Kyoung, Sunghoon Lee
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Publication number: 20240062911Abstract: An exemplary embodiment of the present disclosure discloses a method of estimating a heart age by using a pre-trained artificial neural network model. In particular, according to the present disclosure, a computing device obtains vital sign data of a user. The computing device estimates a heart age of the user based on the vital sign data of the user by using a pre-trained artificial neural network model. The pre-trained artificial neural network model corresponds to an artificial neural network model pre-trained based on information related to a heart disease.Type: ApplicationFiled: July 19, 2023Publication date: February 22, 2024Inventors: Sunghoon JOO, Mineok CHANG, Kyung Geun KIM, Sungjae LEE, Yeongyeon NA
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Patent number: 11456428Abstract: Disclosed are indolocarbazole polycyclic aromatic derivatives that can be employed in various organic layers of organic electroluminescent devices. The indolocarbazole derivatives have a boron-containing structure. Also disclosed are organic electroluminescent devices including the indolocarbazole derivatives. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.Type: GrantFiled: November 19, 2019Date of Patent: September 27, 2022Assignee: SFC CO., LTD.Inventors: SungHoon Joo, Ji-Hwan Kim, Byung-sun Yang, Hyeon Jun Jo, Sungeun Choi, Su-jin Kim
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Publication number: 20210167293Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.Type: ApplicationFiled: February 10, 2021Publication date: June 3, 2021Applicant: SFC CO., LTD.Inventors: SungHoon JOO, Ji-Hwan KIM, Byung-sun YANG, Hyeon Jun JO, Sungeun CHOI, Su-jin KIM, Bong-Ki SHIN
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Patent number: 10981938Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.Type: GrantFiled: November 19, 2019Date of Patent: April 20, 2021Assignee: SFC Co., Ltd.Inventors: SungHoon Joo, Ji-Hwan Kim, Byung-sun Yang, Hyeon Jun Jo, Sungeun Choi, Su-jin Kim, Bong-Ki Shin
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Publication number: 20200172558Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.Type: ApplicationFiled: November 19, 2019Publication date: June 4, 2020Applicant: SFC CO., LTD.Inventors: SungHoon JOO, Ji-Hwan KIM, Byung-sun YANG, Hyeon Jun JO, Sungeun CHOI, Su-jin KIM, Bong-Ki SHIN
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Publication number: 20200161552Abstract: Disclosed are indolocarbazole polycyclic aromatic derivatives that can be employed in various organic layers of organic electroluminescent devices. The indolocarbazole derivatives have a boron-containing structure. Also disclosed are organic electroluminescent devices including the indolocarbazole derivatives. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.Type: ApplicationFiled: November 19, 2019Publication date: May 21, 2020Applicant: SFC CO., LTD.Inventors: SungHoon JOO, Ji-Hwan KIM, Byung-sun YANG, Hyeon Jun JO, Sungeun CHOI, Su-jin KIM
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Patent number: 10290814Abstract: Disclosed is an organic light emitting diode. The organic light-emitting diode comprises at least one light-emitting part between an anode and a cathode, wherein the at least one light-emitting part has at least one organic layer and an emissive layer. The at least one organic layer is composed of a compound having one or more heteroatoms, and the compound has an energy level due to the heteroatoms and conductive characteristics due to the energy level.Type: GrantFiled: March 30, 2015Date of Patent: May 14, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Seonkeun Yoo, Sunghoon Joo, Jungkeun Kim, Dohan Kim, Jeongdae Seo, Hyoseok Kim, Hyeseung Kang, Jungsoo Park, Min Yun
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Patent number: 10177317Abstract: An organic light emitting display device is provided. The organic light emitting display device includes at least two or more light emitting parts each having a light emitting layer and an electron transport layer; and a charge generation layer between the at least two or more light emitting parts. The charge generation layer comprises a compound that includes a core with two nitrogen atoms and a functional group having crystallinity.Type: GrantFiled: May 17, 2016Date of Patent: January 8, 2019Assignee: LG Display Co., Ltd.Inventors: Sunghoon Joo, Hyoseok Kim, Shinhan Kim, Seonkeun Yoo, Min Yun, Seunghee Yoon
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Patent number: 10096782Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes at least two light emitting parts each including a light emitting layer and an electron transport layers, and at least one charge generation layer between the light emitting parts, wherein at least one among the charge generation layer or the electron transport layer includes a compound having nitrogen atoms and a substituent for enhancing electron mobility.Type: GrantFiled: July 22, 2015Date of Patent: October 9, 2018Assignee: LG Display Co., Ltd.Inventors: Seonkeun Yoo, Sunghoon Joo, Jeongdae Seo, Hyoseok Kim, Hyeseung Kang, Min Yun, SeungHee Yoon
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Patent number: 10068948Abstract: An organic light emitting display device is provided. The organic light emitting display device includes at least one light emitting part between an anode and a cathode and having at least one light emitting part between an anode and a cathode and having at least one organic layer and a light emitting layer. The at least one organic layer includes a compound having a core with one or more nitrogen atoms and at least one other core with relatively high electronegativity.Type: GrantFiled: May 5, 2016Date of Patent: September 4, 2018Assignee: LG Display Co., Ltd.Inventors: Min Yun, Sunghoon Joo, Hyoseok Kim, Hyeseung Kang, Seonkeun Yoo, Seunghee Yoon
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Patent number: 10043985Abstract: An organic light emitting display device is discussed. The organic light emitting display device can include at least two or more light emitting parts each including a light emitting layer and an electron transport layer; and a charge generation layer between the two or more light emitting parts and including an N-type charge generation layer, wherein the electron transport layer includes an electron transport compound including a functional group with high electron mobility, and the N-type charge generation layer includes a charge generation compound including a functional group for matching the energy level of the electron transport compound.Type: GrantFiled: May 5, 2016Date of Patent: August 7, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Dohan Kim, Sunghoon Joo, Jungkeun Kim, Byungsoo Kim, Eunjung Park, Hyoseok Kim, Seonkeun Yoo, Hanbyeol Seok, Seunghee Yoon
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Patent number: 9978945Abstract: An organic light emitting display device is disclosed. The organic light emitting display device comprises at least two light emitting parts between an anode and a cathode, each of the light emitting parts having a light emitting layer and an electron transport layer, charge generation layers between the at least two light emitting parts, wherein at least one among the electron transport layers in the at least two light emitting parts includes a pyrimidine derivative at both sides of the core so as to reduce a driving voltage and increase an efficiency of the organic light emitting display device.Type: GrantFiled: August 24, 2015Date of Patent: May 22, 2018Assignee: LG Display Co., Ltd.Inventors: SungHoon Joo, Jeongdae Seo, Hyoseok Kim, Hyeseung Kang, Seonkeun Yoo, Min Yun
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Patent number: 9947877Abstract: An organic light emitting display device is discussed. The organic light emitting display device in one embodiment includes at least one light emitting part between an anode and a cathode, and including at least one organic layer and a light emitting layer, wherein the organic layer includes a compound having one or more nitrogen atoms and a substituent with relatively high electron mobility.Type: GrantFiled: March 24, 2016Date of Patent: April 17, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Seunghee Yoon, Sunghoon Joo, Jeongdae Seo, Hyoseok Kim, Hyeseung Kang, Seonkeun Yoo, Min Yun
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Patent number: 9893298Abstract: An organic light emitting display device is disclosed. The organic light emitting display device comprises an emitting layer over an anode, the light emitting part having an emitting layer and an electron transporting layer, and a cathode on the light emitting part, wherein each of the emitting layer and the electron transporting layer includes a compound with the same core to facilitate electron transport from the electron transporting layer to the emitting layer.Type: GrantFiled: December 1, 2015Date of Patent: February 13, 2018Assignee: LG Display Co., Ltd.Inventors: Jeongdae Seo, ChangWook Han, SungHoon Joo, Hyoseok Kim, Hyeseung Kang, Seonkeun Yoo, JungSoo Park
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Publication number: 20170155055Abstract: An organic light emitting display device is provided. The organic light emitting display device includes at least two or more light emitting parts each having a light emitting layer and an electron transport layer; and a charge generation layer between the at least two or more light emitting parts. The charge generation layer comprises a compound that includes a core with two nitrogen atoms and a functional group having crystallinity.Type: ApplicationFiled: May 17, 2016Publication date: June 1, 2017Applicant: LG Display Co., Ltd.Inventors: Sunghoon JOO, Hyoseok KIM, Shinhan KIM, Seonkeun YOO, Min YUN, Seunghee YOON
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Publication number: 20170054084Abstract: An organic light emitting display device is discussed. The organic light emitting display device can include at least two or more light emitting parts each including a light emitting layer and an electron transport layer; and a charge generation layer between the two or more light emitting parts and including an N-type charge generation layer, wherein the electron transport layer includes an electron transport compound including a functional group with high electron mobility, and the N-type charge generation layer includes a charge generation compound including a functional group for matching the energy level of the electron transport compound.Type: ApplicationFiled: May 5, 2016Publication date: February 23, 2017Applicant: LG DISPLAY CO., LTD.Inventors: Dohan KIM, Sunghoon JOO, Jungkeun KIM, Byungsoo KIM, Eunjung PARK, Hyoseok KIM, Seonkeun YOO, Hanbyeol SEOK, Seunghee YOON
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Publication number: 20160372524Abstract: An organic light emitting display device is provided. The organic light emitting display device includes at least one light emitting part between an anode and a cathode and having at least one light emitting part between an anode and a cathode and having at least one organic layer and a light emitting layer. The at least one organic layer includes a compound having a core with one or more nitrogen atoms and at least one other core with relatively high electronegativity.Type: ApplicationFiled: May 5, 2016Publication date: December 22, 2016Applicant: LG Display Co., Ltd.Inventors: Min YUN, Sunghoon JOO, Hyoseok KIM, Hyeseung KANG, Seonkeun YOO, Seunghee YOON