Patents by Inventor Jaepil Lee
Jaepil Lee 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: 20240336989Abstract: Disclosed is an austenitic stainless steel including, in percent by weight (wt %), 0.005 to 0.03% of C, 0.1 to 1% of Si, 0.1 to 2% of Mn, 0.01 to 0.4 of Cu, 0.01 to 0.2 of Mo, 6 to 9% of Ni, 16 to 19% of Cr, 0.01 to 0.2% of N, and the balance of Fe and inevitable impurities, wherein an austenitic stability parameter (ASP) value calculated by 551?462 (C+N)?9.2Si?8.1Mn?13.7Cr?29 (Ni+Cu)?18.5Mo is from 30 to 60, a [100*N]/[Ni+Cu] value is 1.4 or more, an average grain size is less than 5 ?m, and a fraction (%) of grains with a grain size of 5 ?m or more is less than 10%.Type: ApplicationFiled: June 23, 2022Publication date: October 10, 2024Applicant: POSCO CO., LTDInventors: Sangseok Kim, Minam Park, Jaepil Lee, Ilchan Jung
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Publication number: 20240030128Abstract: A semiconductor device may include a substrate, an element layer including circuit elements arranged on the substrate, a wiring layer on the element layer, and a redistribution layer on the wiring layer. The redistribution layer may include a redistribution insulating layer and a redistribution conductive layer on the redistribution insulating layer. The redistribution conductive layer may include a connection pad and first and second inductor structures respectively including first and second inductor redistribution lines having a planar coil shape, and a connection pad. The first and second inductor redistribution lines respectively included in the first and second inductor structures may have different thicknesses.Type: ApplicationFiled: June 1, 2023Publication date: January 25, 2024Inventors: Jaepil Lee, Junbae Kim, Jinkwan Park
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Publication number: 20240008265Abstract: A semiconductor device includes a lower structure, a data storage structure on the lower structure, and an inductor structure on the lower structure, where the data storage structure includes first electrodes extending in a vertical direction perpendicular to an upper surface of the lower structure, a second electrode provided on the first electrodes, and a dielectric layer between the first electrodes and the second electrode, and where the inductor structure includes an inductor conductive pattern at a level that is substantially the same as a level of the first electrodes.Type: ApplicationFiled: June 29, 2023Publication date: January 4, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jaepil Lee, Junbae Kim
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Publication number: 20230337418Abstract: A memory core circuit includes a memory cell array including sub cell arrays and a core control circuit, which includes sub peripheral circuits that are disposed under each sub cell array. Each sub peripheral circuit includes a sense amplifier region, which includes a plurality of bitline sense amplifiers, and a rest circuit region, which includes other circuits. First-type bitline sense amplifiers, which are connected to first-type bitlines, are disposed in the sense amplifier region of each sub peripheral circuit, and the first-type bitlines are disposed above the sense amplifier region of each sub peripheral circuit. Second-type bitline sense amplifiers, which are connected to second-type bitlines, are disposed in the sense amplifier region of a neighboring sub peripheral circuit adjacent in the column direction to a first sub peripheral circuit of the sub peripheral circuit, and the second-type bitlines are disposed above the rest region of each sub peripheral circuit.Type: ApplicationFiled: June 20, 2023Publication date: October 19, 2023Inventors: Jaepil LEE, Chulkwon Park
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Publication number: 20230269933Abstract: A transistor structure including an active pattern defined by a first isolation pattern on a substrate, a second isolation pattern at an upper portion of the active pattern, a gate structure extending through the active pattern and the first isolation pattern, at least a lower portion of the gate structure extending through the second isolation pattern, a first oxide semiconductor pattern on a lower surface and a sidewall of the gate structure, the first oxide semiconductor pattern including In-rich IGZO and at least partially contacting the first and second isolation patterns, and source/drain regions at upper portions of the active pattern adjacent to the gate structure may be provided.Type: ApplicationFiled: October 26, 2022Publication date: August 24, 2023Applicant: Samsung Electronics Co.,Ltd.Inventors: Jaepil LEE, Minhee Cho
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Publication number: 20230232614Abstract: A semiconductor device includes a semiconductor substrate, an active region on the semiconductor substrate and including a first semiconductor material, an isolation layer on the semiconductor substrate and a side surface of the active region, a first gate structure in a first gate trench crossing the active region, a second gate structure in a second gate trench in the isolation layer, the second gate structure being parallel to the first gate structure and adjacent to the active region, a semiconductor layer covering at least a part of the side surface of the active region, the semiconductor layer including a second semiconductor material different from the first semiconductor material, and at least a part of the semiconductor layer being between the active region and the second gate structure, and source/drain regions in the active region on opposite sides of the first gate trench.Type: ApplicationFiled: January 10, 2023Publication date: July 20, 2023Inventors: Jaepil LEE, Hijung KIM
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Publication number: 20230186960Abstract: A memory device includes a memory cell array having memory cells connected to wordlines and bitlines, and a clock buffer receiving a clock signal for performing a read operation or a write operation on at least one of the memory cells. The clock buffer includes a plurality of serially connected clock repeaters, and the plurality of clock repeaters have at least one pair of clock repeaters having different imbalanced driving capabilities.Type: ApplicationFiled: June 29, 2022Publication date: June 15, 2023Inventors: Hijung Kim, Kwangchol Choe, Kwangsook Noh, Jaepil Lee
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Patent number: 10854562Abstract: A semiconductor device includes a semiconductor substrate having a chip region and an edge region, a plurality of connection structures provided in a lower insulating layer of the edge region and arranged at first intervals in a first direction, an upper insulating layer covering the connection structures, and a plurality of redistribution pads disposed on the upper insulating layer and connected to the connection structures, respectively. Each of the redistribution pads includes a pad portion provided on the chip region. The pad portions of the redistribution pads are spaced apart from the connection structures by a first distance in a second direction intersecting the first direction when viewed in a plan view.Type: GrantFiled: May 6, 2020Date of Patent: December 1, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Seok-Ho Shin, Bonhwi Gu, Hyekyeong Kweon, Sungjin Kim, Joodong Kim, Jaepil Lee, Dongwon Lim
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Publication number: 20200266162Abstract: A semiconductor device includes a semiconductor substrate having a chip region and an edge region, a plurality of connection structures provided in a lower insulating layer of the edge region and arranged at first intervals in a first direction, an upper insulating layer covering the connection structures, and a plurality of redistribution pads disposed on the upper insulating layer and connected to the connection structures, respectively. Each of the redistribution pads includes a pad portion provided on the chip region. The pad portions of the redistribution pads are spaced apart from the connection structures by a first distance in a second direction intersecting the first direction when viewed in a plan view.Type: ApplicationFiled: May 6, 2020Publication date: August 20, 2020Inventors: SEOK-HO SHIN, BONHWI GU, HYEKYEONG KWEON, SUNGJIN KIM, JOODONG KIM, JAEPIL LEE, DONGWON LIM
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Patent number: 10679957Abstract: A semiconductor device includes a semiconductor substrate having a chip region and an edge region, a plurality of connection structures provided in a lower insulating layer of the edge region and arranged at first intervals in a first direction, an upper insulating layer covering the connection structures, and a plurality of redistribution pads disposed on the upper insulating layer and connected to the connection structures, respectively. Each of the redistribution pads includes a pad portion provided on the chip region. The pad portions of the redistribution pads are spaced apart from the connection structures by a first distance in a second direction intersecting the first direction when viewed in a plan view.Type: GrantFiled: September 24, 2018Date of Patent: June 9, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Seok-Ho Shin, Bonhwi Gu, Hyekyeong Kweon, Sungjin Kim, Joodong Kim, Jaepil Lee, Dongwon Lim
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Publication number: 20190221535Abstract: A semiconductor device includes a semiconductor substrate having a chip region and an edge region, a plurality of connection structures provided in a lower insulating layer of the edge region and arranged at first intervals in a first direction, an upper insulating layer covering the connection structures, and a plurality of redistribution pads disposed on the upper insulating layer and connected to the connection structures, respectively. Each of the redistribution pads includes a pad portion provided on the chip region. The pad portions of the redistribution pads are spaced apart from the connection structures by a first distance in a second direction intersecting the first direction when viewed in a plan view.Type: ApplicationFiled: September 24, 2018Publication date: July 18, 2019Inventors: SEOK-HO SHIN, BONHWI GU, HYEKYEONG KWEON, SUNGJIN KIM, JOODONG KIM, JAEPIL LEE, DONGWON LIM
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Patent number: 10005155Abstract: A laser cutting device, including a laser beam generation unit emitting a laser beam; an optical system on a traveling path of the laser beam; a laser main body providing a passage through which the laser beam travels towards a substrate after passing through the optical system; a suction unit coupled to a header of the laser main body and sucking impurities, the suction unit including a curved surface therein; and a collection unit connected to the suction unit and collecting discharged impurities, the impurities being discharged to the collection unit along the curved surface inside the suction unit.Type: GrantFiled: October 15, 2015Date of Patent: June 26, 2018Assignee: Samsung Display Co., Ltd.Inventors: Byeongnam Moon, Jaepil Lee, Myeonglyeol Yu, Wonyoung Lee
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Publication number: 20160129527Abstract: A laser cutting device, including a laser beam generation unit emitting a laser beam; an optical system on a traveling path of the laser beam; a laser main body providing a passage through which the laser beam travels towards a substrate after passing through the optical system; a suction unit coupled to a header of the laser main body and sucking impurities, the suction unit including a curved surface therein; and a collection unit connected to the suction unit and collecting discharged impurities, the impurities being discharged to the collection unit along the curved surface inside the suction unit.Type: ApplicationFiled: October 15, 2015Publication date: May 12, 2016Inventors: Byeongnam MOON, Jaepil LEE, Myeonglyeol YU, Wonyoung LEE
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Patent number: 9269951Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a mixture of a lithium/manganese spinel oxide having a substitution of a manganese (Mn) site with a certain metal ion and a lithium/nickel/cobalt/manganese composite oxide, as a cathode active material.Type: GrantFiled: November 11, 2014Date of Patent: February 23, 2016Assignee: LG Chem, Ltd.Inventors: Ji Heon Ryu, Min Su Kim, Jung Eun Hyun, Jaepil Lee, Eun Ju Lee, Youngjoon Shin
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Patent number: 9263738Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a cathode active material composed of a mixture of lithium/manganese spinel oxide and lithium/nickel/cobalt/manganese composite oxide wherein the cathode active material exhibits the life characteristics that the capacity at 300 cycles is more than 70% relative to the initial capacity, in the provision of satisfying the condition (i) regarding the particle size and the condition (ii) regarding the mixing ratio.Type: GrantFiled: September 17, 2014Date of Patent: February 16, 2016Assignee: LG Chem, Ltd.Inventors: Ji Heon Ryu, Min Su Kim, Jung Eun Hyun, Jaepil Lee, Eun Ju Lee, Youngjoon Shin
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Publication number: 20150060726Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a mixture of a lithium/manganese spinel oxide having a substitution of a manganese (Mn) site with a certain metal ion and a lithium/nickel/cobalt/manganese composite oxide, as a cathode active material.Type: ApplicationFiled: November 11, 2014Publication date: March 5, 2015Applicant: LG CHEM, LTD.Inventors: Ji Heon Ryu, Min Su Kim, Jung Eun Hyun, Jaepil Lee, Eun Ju Lee, Youngjoon Shin
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Patent number: 8936873Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a mixture of a lithium/manganese spinel oxide having a substitution of a manganese (Mn) site with a certain metal ion and a lithium/nickel/cobalt/manganese composite oxide, as a cathode active material.Type: GrantFiled: March 22, 2010Date of Patent: January 20, 2015Assignee: LG Chem, Ltd.Inventors: Ji Heon Ryu, Min Su Kim, Jung Eun Hyun, Jaepil Lee, Eun Ju Lee, Youngjoon Shin
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Publication number: 20150004492Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a cathode active material composed of a mixture of lithium/manganese spinel oxide and lithium/nickel/cobalt/manganese composite oxide wherein the cathode active material exhibits the life characteristics that the capacity at 300 cycles is more than 70% relative to the initial capacity, in the provision of satisfying the condition (i) regarding the particle size and the condition (ii) regarding the mixing ratio.Type: ApplicationFiled: September 17, 2014Publication date: January 1, 2015Applicant: LG Chem, Ltd.Inventors: Ji Heon Ryu, Min Su Kim, Jung Eun Hyun, Jaepil Lee, Eun Ju Lee, Youngjoon Shin
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Patent number: 8895187Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a cathode active material composed of a mixture of lithium/manganese spinel oxide and lithium/nickel/cobalt/manganese composite oxide wherein the cathode active material exhibits the life characteristics that the capacity at 300 cycles is more than 70% relative to the initial capacity, in the provision of satisfying the condition (i) regarding the particle size and the condition (ii) regarding the mixing ratio.Type: GrantFiled: February 26, 2010Date of Patent: November 25, 2014Assignee: LG Chem, Ltd.Inventors: Ji Heon Ryu, Min Su Kim, Jung Eun Hyun, Jaepil Lee, Eun Ju Lee, Youngjoon Shin
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Patent number: 8778523Abstract: Disclosed herein is an electrochemical cell constructed in a structure in which a plurality of full cells or bicells, as unit cells, are folded by a separation film formed in the shape of a long sheet, and separators of the unit cells are secured to the separation film by thermal welding. The electrochemical cell according to the present invention has the effect of preventing the electrodes of the stacked electrodes from being separated from the separation film or from being twisted due to external impacts and vibrations, thereby restraining the electrochemical cell from generating heat or catching fire. Furthermore, the structural stability of the electrochemical cell is maintained even when the temperature of the electrochemical cell is increased, or the volume of the electrochemical cell is increased due to the generation of gas.Type: GrantFiled: June 6, 2013Date of Patent: July 15, 2014Assignee: LG Chem, Ltd.Inventors: Ji Heon Ryu, Jaepil Lee, Jeong Hee Choi, Min Su Kim, Youngjoon Shin