Patents by Inventor Seung-Jae Yoon
Seung-Jae 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).
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Publication number: 20240188410Abstract: Embodiments disclose a display device including a glass substrate including a display area, a light-transmitting area, and a non-display area surrounding the light-transmitting area, a circuit portion and a light-emitting element portion disposed in the display area; and an etch stop pattern disposed in the non-display area, wherein the glass substrate includes a first opening disposed at a position corresponding to the light-transmitting area, the etch stop pattern includes a first etch stop layer surrounding the first opening and a second etch stop layer disposed on the first etch stop layer, and the second etch stop layer includes a protrusion extending further toward the light-transmitting area than the first etch stop layer.Type: ApplicationFiled: November 29, 2023Publication date: June 6, 2024Inventors: Seung Han PAEK, Yong In PARK, Hyun Jin AN, Kyung Jae YOON, Jeon Phill HAN, Yu Cheol YANG
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Publication number: 20240188341Abstract: Embodiments disclose a display device including a substrate including a display area, a light-transmitting area, and a non-display area surrounding the light-transmitting area, a circuit portion and a light-emitting element portion disposed in the display area, an etch stop layer disposed in the non-display area, and a plurality of protruding patterns disposed in the non-display area, wherein the substrate includes a first opening disposed at a position corresponding to the light-transmitting area, and the plurality of protruding patterns are disposed on the etch stop layer.Type: ApplicationFiled: November 29, 2023Publication date: June 6, 2024Inventors: Seung Han PAEK, Yong In PARK, Hyun Jin AN, Kyung Jae YOON, Jeon Phill HAN, Yu Cheol YANG
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Publication number: 20240173809Abstract: The present invention relates to verifying the suitability of a tool and diagnosing a spindle for a machining center on which different tools are mounted. Provided are a machining center spindle diagnosis apparatus and method configured to monitor a change of a tool in the machining center; when the change of the tool is recognized, control the machining center to idle the spindle; acquire sensor data from a sensor installed on the machining center during the idling of the spindle; input the acquired sensor data to a tool verifying model pre-trained by a machine learning technology to verify suitability of the tool; and when the tool is verified to be suitable, inputting the acquired sensor data to a spindle diagnosing model pre-trained by the machine learning technology to diagnose an operating state of the spindle.Type: ApplicationFiled: July 3, 2023Publication date: May 30, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sung Jae YOON, Munyoung LEE, Seung Hyub JEON, Jung-Chan NA
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Publication number: 20240179994Abstract: A display device may include a display panel including a first display area having a plurality of first pixels and a second display having a plurality of second pixels and a light-transmission area between the second pixels. The display device may further include a sensor or an optical element under the display panel and overlapping with the second display area of the display panel. The display panel may include a substrate, a circuit layer on the substrate and having a buffer layer and a plurality of insulating layers, and a light emitting element layer on the circuit layer. The second display area may include a hole penetrating the substrate, the buffer layer, and the plurality of insulating layers.Type: ApplicationFiled: August 9, 2023Publication date: May 30, 2024Applicant: LG Display Co., Ltd.Inventors: Kyung Jae YOON, Hyun Jin AN, Seung Han PAEK, Jeon Phill HAN, Sung Woo JUN
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Patent number: 10135095Abstract: Disclosed is a lithium secondary battery including: (i) a cathode active material including a lithium metal phosphate according to Formula 1 below; (ii) an anode active material including amorphous carbon; and (iii) an electrolyte for lithium secondary batteries including a lithium salt and an ether based solvent, wherein propylene carbonate (PC) is included in an amount of 1 wt % to 60 wt % in the electrolyte for lithium secondary batteries, based on the total weight of the electrolyte, Li1+aM(PO4?b)Xb??(1) wherein M is at least one selected from metals of Groups II to XII; X is at least one selected from F, S and N, ?0.5?a?+0.5, and 0?b?0.1.Type: GrantFiled: November 22, 2013Date of Patent: November 20, 2018Assignee: LG Chem, Ltd.Inventors: Yourim Yoon, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Young Cheol Choi, Young Geun Choi, Seung Jae Yoon
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Patent number: 10128540Abstract: Disclosed is a lithium secondary battery including: (i) a cathode active material including a lithium metal phosphate according to Formula 1 below; (ii) an anode active material including amorphous carbon; and (iii) an electrolyte for lithium secondary batteries including a lithium salt and an ether based solvent, wherein propylene carbonate (PC) is included in an amount of 1 wt % to 60 wt % in the electrolyte for lithium secondary batteries, based on the total weight of the electrolyte, Li1+aM(PO4-b)Xb??(1) wherein M is at least one selected from metals of Groups II to XII; X is at least one selected from F, S and N, ?0.5?a?+0.5, and 0?b?0.1.Type: GrantFiled: April 28, 2017Date of Patent: November 13, 2018Assignee: LG Chem, Ltd.Inventors: Yourim Yoon, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Young Cheol Choi, Young Geun Choi, Seung Jae Yoon
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Patent number: 9853288Abstract: Disclosed is a lithium secondary battery including (i) a cathode active material including a lithium metal phosphate according to Formula 1 below; and (ii) an anode active material including amorphous carbon, Li1+aM(PO4?b)Xb??(1) wherein M is at least one selected from metals of Groups II to XII, X is at least one selected from F, S and N, ?0.5?a?+0.5, and 0?b?0.1.Type: GrantFiled: November 21, 2013Date of Patent: December 26, 2017Assignee: LG Chem, Ltd.Inventors: Young Geun Choi, Geun Chang Chung, Yourim Yoon, Seung Jae Yoon, Jong Mo Jung, Jonghyun Chae
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Patent number: 9853328Abstract: Disclosed are an electrolyte for lithium secondary batteries including 10 wt % to 90 wt % of an ester based solvent and 10 wt % to 90 wt % of a carbonate based solvent with respect to the total weight of a non-aqueous solvent, and a lithium secondary battery including the same.Type: GrantFiled: November 22, 2013Date of Patent: December 26, 2017Assignee: LG Chem, Ltd.Inventors: Young Geun Choi, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Yourim Yoon, Young Cheol Choi, Seung Jae Yoon
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Publication number: 20170237123Abstract: Disclosed is a lithium secondary battery including: (i) a cathode active material including a lithium metal phosphate according to Formula 1 below; (ii) an anode active material including amorphous carbon; and (iii) an electrolyte for lithium secondary batteries including a lithium salt and an ether based solvent, wherein propylene carbonate (PC) is included in an amount of 1 wt % to 60 wt % in the electrolyte for lithium secondary batteries, based on the total weight of the electrolyte, Li1+aM(PO4?b)Xb??(1) wherein M is at least one selected from metals of Groups II to XII; X is at least one selected from F, S and N, ?0.5?a?+0.5, and 0?b?0.1.Type: ApplicationFiled: April 28, 2017Publication date: August 17, 2017Applicant: LG Chem, Ltd.Inventors: Yourim Yoon, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Young Cheol Choi, Young Geun Choi, Seung Jae Yoon
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Patent number: 9666897Abstract: Disclosed are an electrolyte for lithium secondary batteries including a lithium salt and a non-aqueous solvent, in which the non-aqueous solvent includes an ether based solvent and a glyme based solvent and a ratio of the ether based solvent to the glyme based solvent is 20:80 to 60:40 based on the total volume of the non-aqueous solvent, and a secondary battery including the same.Type: GrantFiled: November 22, 2013Date of Patent: May 30, 2017Assignee: LG Chem, Ltd.Inventors: Young Geun Choi, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Yourim Yoon, Young Cheol Choi, Seung Jae Yoon
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Patent number: 9660266Abstract: Disclosed is a lithium secondary battery including (i) a cathode active material including a lithium metal phosphate according to Formula 1 below, (ii) an anode active material including amorphous carbon, and (iii) an electrolyte for lithium secondary batteries including a lithium salt and an ether-based solvent, Li1+aM(PO4-b)Xb??(1) wherein M is at least one selected from the group consisting of Group II to XII metals, X is at least one selected from F, S, and N, ?0.5?a?+0.5, and 0?b?0.1.Type: GrantFiled: November 21, 2013Date of Patent: May 23, 2017Assignee: LG Chem, Ltd.Inventors: Young Geun Choi, Geun Chang Chung, Yourim Yoon, Seung Jae Yoon, Jong Mo Jung, Jonghyun Chae
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Patent number: 9595738Abstract: Disclosed is an electrolyte for lithium secondary batteries including a lithium salt and a non-aqueous solvent, in which a silane based material is included in an amount of 0.1 to 20 wt % based on the total weight of the electrolyte, and a lithium secondary battery including the same.Type: GrantFiled: November 22, 2013Date of Patent: March 14, 2017Assignee: LG Chem, Ltd.Inventors: Yourim Yoon, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Young Cheol Choi, Young Geun Choi, Seung Jae Yoon
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Patent number: 9343779Abstract: Provided are a method of preparing an electrode assembly, in which both sides of a single current collector are coated to form an anode and a cathode, and the current collector is then bent into a vertical sectional zigzag shape and integrated in a state of disposing a separator at interfaces between facing electrode patterns, an electrode assembly prepared by the above method, and a secondary battery comprising the electrode assembly.Type: GrantFiled: April 18, 2014Date of Patent: May 17, 2016Assignee: LG Chem, Ltd.Inventors: Hyun Kyung Do, Jong Mo Jung, You Rim Yoon, Young Geun Choi, Joo Young Choi, Seung Jae Yoon, Jong Hyun Chae, Jae Kyung Kim
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Publication number: 20150318575Abstract: Disclosed are an electrolyte for lithium secondary batteries including a lithium salt and a non-aqueous solvent, in which the non-aqueous solvent includes an ether based solvent and a glyme based solvent and a ratio of the ether based solvent to the glyme based solvent is 20:80 to 60:40 based on the total volume of the non-aqueous solvent, and a secondary battery including the same.Type: ApplicationFiled: November 22, 2013Publication date: November 5, 2015Applicant: LG Chem, Ltd.Inventors: Young Geun Choi, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Yourim Yoon, Young Cheol Choi, Seung Jae Yoon
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Publication number: 20150303471Abstract: Disclosed is a lithium secondary battery including (i) a cathode active material including a lithium metal phosphate according to Formula 1 below, (ii) an anode active material including amorphous carbon, and (iii) an electrolyte for lithium secondary batteries including a lithium salt and an ether-based solvent, Lii+aM(PO4?b)Xb ??(1) wherein M is at least one selected from the group consisting of Group II to XII metals, X is at least one selected from F, S, and N, ?0.5?a?+0.5, and 0?b?0.1.Type: ApplicationFiled: November 21, 2013Publication date: October 22, 2015Applicant: LG Chem, Ltd.Inventors: Young Geun Choi, Geun Chang Chung, Yourim Yoon, Seung Jae Yoon, Jong Mo Jung, Jonghyun Chae
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Publication number: 20150288032Abstract: Disclosed are an electrolyte for lithium secondary batteries including a lithium salt and a non-aqueous solvent, in which the electrolyte includes a sulfanyl based solvent, and a lithium secondary battery including the same.Type: ApplicationFiled: November 22, 2013Publication date: October 8, 2015Applicants: LG CHEM, LTD., LG CHEM, LTD.Inventors: Young Geun Choi, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Yourim Yoon, Young Cheol Choi, Seung Jae Yoon
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Publication number: 20150263385Abstract: Disclosed is a lithium secondary battery including: (i) a cathode active material including a lithium metal phosphate according to Formula 1 below; (ii) an anode active material including amorphous carbon; and (iii) an electrolyte for lithium secondary batteries including a lithium salt and an ether based solvent, wherein propylene carbonate (PC) is included in an amount of 1 wt % to 60 wt % in the electrolyte for lithium secondary batteries, based on the total weight of the electrolyte, Li1+aM(PO4-b)Xb??(1) wherein M is at least one selected from metals of Groups II to XII; X is at least one selected from F, S and N, ?0.5?a?+0.5, and 0?b?0.1.Type: ApplicationFiled: November 22, 2013Publication date: September 17, 2015Applicant: LG Chem, Ltd.Inventors: Yourim Yoon, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Young Cheol Choi, Young Geun Choi, Seung Jae Yoon
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Publication number: 20150255794Abstract: Disclosed is a lithium secondary battery including (i) a cathode active material including a lithium metal phosphate according to Formula 1 below; and (ii) an anode active material including amorphous carbon, Li1+aM(PO4?b)Xb??(1) wherein M is at least one selected from metals of Groups II to XII, X is at least one selected from F, S and N, ?0.5?a?+0.5, and 0?b?0.1.Type: ApplicationFiled: November 21, 2013Publication date: September 10, 2015Applicant: LG Chem, Ltd.Inventors: Young Geun Choi, Geun Chang Chung, Yourim Yoon, Seung Jae Yoon, Jong Mo Jung, Jonghyun Chae
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Publication number: 20150249270Abstract: Disclosed is an electrolyte for lithium secondary batteries including a lithium salt and a non-aqueous solvent, in which the lithium salt includes at least one selected from the group consisting of lithium oxalyldifluoroborate (LiODFB) and lithium hexafluorophosphate (LiPF6), and the non-aqueous solvent includes an ether based solvent.Type: ApplicationFiled: November 22, 2013Publication date: September 3, 2015Applicant: LG CHEM, LTD.Inventors: Seung Jae Yoon, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Yourim Yoon, Young Cheol Choi, Young Geun Choi
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Publication number: 20150249267Abstract: Disclosed is an electrolyte for lithium secondary batteries including a lithium salt and a non-aqueous solvent, in which a silane based material is included in an amount of 0.1 to 20 wt % based on the total weight of the electrolyte, and a lithium secondary battery including the same.Type: ApplicationFiled: November 22, 2013Publication date: September 3, 2015Applicant: LG Chem, Ltd.Inventors: Yourim Yoon, Jong Mo Jung, Jonghyun Chae, Chul Haeng Lee, Geun Chang Chung, Young Cheol Choi, Young Geun Choi, Seung Jae Yoon