Patents by Inventor Jung-min Yang
Jung-min Yang 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: 11967614Abstract: Provided is a semiconductor device comprising an active region on a substrate and including first and second sidewalls extending in a first direction and an epitaxial pattern on the active region, wherein the epitaxial pattern includes first and second epitaxial sidewalls extending from the first and second sidewalls, respectively, the first epitaxial sidewall includes a first epitaxial lower sidewall, a first epitaxial upper sidewall, and a first epitaxial connecting sidewall connecting the first epitaxial lower sidewall and the first epitaxial upper sidewall, the second epitaxial sidewall includes a second epitaxial lower sidewall, a second epitaxial upper sidewall, and a second epitaxial connecting sidewall connecting the second epitaxial lower sidewall and the second epitaxial upper sidewall, a distance between the first and second epitaxial upper sidewalls decreases away from the active region, and the first and second epitaxial lower sidewalls extend in parallel to a top surface of the substrate.Type: GrantFiled: April 7, 2022Date of Patent: April 23, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung Gil Yang, Seung Min Song, Soo Jin Jeong, Dong Il Bae, Bong Seok Suh
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Publication number: 20240120485Abstract: Provided is an electrode for a secondary battery, a method of manufacturing the same, and a secondary battery including the electrode.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Inventors: Dong Hoon Lee, Jae Youn Kim, Jung Min Yang
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Patent number: 11923456Abstract: A semiconductor device includes channels, a gate structure, and a source/drain layer. The channels are disposed at a plurality of levels, respectively, and spaced apart from each other in a vertical direction on an upper surface of a substrate. The gate structure is disposed on the substrate, at least partially surrounds a surface of each of the channels, and extends in a first direction substantially parallel to the upper surface of the substrate. The source/drain layer is disposed at each of opposite sides of the gate structure in a second direction substantially parallel to the upper surface of the substrate and substantially perpendicular to the first direction and is connected to sidewalls of the channels. A length of the gate structure in the second direction changes along the first direction at a first height from the upper surface of the substrate in the vertical direction.Type: GrantFiled: April 18, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-Gil Yang, Beom-Jin Park, Seung-Min Song, Geum-Jong Bae, Dong-Il Bae
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Publication number: 20240072158Abstract: A method of forming a FinFET is disclosed. The method includes depositing a conductive material across each of a number of adjacent fins, depositing a sacrificial mask over the conductive material, patterning the conductive material with the sacrificial mask to form a plurality of conductive material segments, depositing a sacrificial layer over the sacrificial mask, and patterning the sacrificial layer, where a portion of the patterned sacrificial layer remains over the sacrificial mask, where a portion of the sacrificial mask is exposed, and where the exposed portion of the sacrificial mask extends across each of the adjacent fins. The method also includes removing the portion of the sacrificial layer over the sacrificial mask, after removing the portion of the sacrificial layer over the sacrificial mask, removing the sacrificial mask, epitaxially growing a plurality of source/drain regions from the semiconductor substrate, and electrically connecting the source/drain regions to other devices.Type: ApplicationFiled: August 30, 2022Publication date: February 29, 2024Inventors: Sung-Hsin Yang, Jung-Chi Jeng, Ru-Shang Hsiao, Kuo-Min Lin, Z.X. Fan, Chun-Jung Huang, Wen-Yu Kuo
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Patent number: 11764345Abstract: Disclosed is a coating apparatus for producing an electrode, which has a reduced defect rate in the coating process. The coating apparatus includes a die unit having an inlet through which the electrode slurry is introduced and an inner space for accommodating the introduced electrode slurry; a shim unit mounted in the die unit and configured to form an outlet together with the die unit so that the electrode slurry is discharged therethrough; and a cover member configured to surround an outer surface of the die unit and the shim unit so that the electrode slurry is not leaked at the outer surface, except for the outlet.Type: GrantFiled: June 16, 2021Date of Patent: September 19, 2023Inventors: Woo-Ha Kim, In-Seong Kim, Il-Jae Moon, Byoung-Hoon Ahn, Jung-Min Yang, Sang-Hoon Choy
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Publication number: 20230223544Abstract: A cathode slurry for a lithium secondary battery according to exemplary embodiments may include a cathode active material including lithium metal oxide particles, a binder, a dispersion medium, and at least one of a multivalent carboxylic acid compound and a salt of the multivalent carboxylic acid compound. A total amount of the multivalent carboxylic acid compound and the salt of the multivalent carboxylic acid compound in the cathode slurry may be 0.01 to 0.05 wt. parts based on 100 wt. parts of the lithium metal oxide particles.Type: ApplicationFiled: January 12, 2023Publication date: July 13, 2023Inventors: Hyung Joo YIM, Min Hwan KIM, Jae Youn KIM, Sung Jun PARK, Jung Min YANG, Byoung Wook JO
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Strip-shaped electrode used for cylindrical jelly roll and lithium secondary battery comprising same
Patent number: 11637274Abstract: The present disclosure relates to a strip-like electrode for use in a cylindrical jelly roll which includes a strip-like electrode assembly wound cylindrically to form a hollow cavity at the core portion thereof, and a lithium secondary battery including the same. The strip-like electrode includes: a strip-like electrode current collector; a first electrode active material layer formed on at least one surface of the strip-like electrode current collector; and a second electrode active material layer formed on the first electrode active material layer, wherein the second electrode active material layer is formed to have a length smaller than the length of the first electrode active material layer so that a part of one longitudinal surface of the first electrode active material layer can be exposed to the outside.Type: GrantFiled: November 9, 2018Date of Patent: April 25, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Byoung-Hoon Ahn, Jung-Min Yang, Sang-Hoon Choy -
Publication number: 20220328833Abstract: The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and containing natural graphite as a negative electrode active material and a second negative electrode mixture layer formed on the first negative electrode mixture layer and containing artificial graphite as a negative electrode active material, and a lithium secondary battery including the same.Type: ApplicationFiled: June 27, 2022Publication date: October 13, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Taek Soo LEE, Chang Wan KOO, Sang Hoon CHOI, Jung Min YANG, Il Jae MOON
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Patent number: 11424433Abstract: A method for manufacturing an electrode having an irregular shape through a simple process while minimizing the amount of wasted electrode active material is provided. The method results in first to third coating areas formed to be spaced apart from each other on a collector, a plurality of fourth coating areas formed between the first coating area and the second coating area, and a plurality of fifth coating areas formed between the second coating area and the third coating area. The plurality of fourth coating areas and the plurality of fifth coating areas are dislocated from each other when viewed from one side in a width direction of the collector.Type: GrantFiled: November 20, 2018Date of Patent: August 23, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Taek Soo Lee, Jung Min Yang, Sang Hoon Choy, Cheol Woo Kim
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Publication number: 20220140303Abstract: Proposed is a cathode for a secondary battery, which includes a cathode collector and a cathode mixture layer on the cathode collector, includes: a coating section at which the cathode mixture layer is formed with a uniform thickness; a non-coating section that is disposed on at least one edge of the coating section on the cathode collector and at which the cathode mixture layer is not formed; and a cushioning section at which the cathode mixture layer is formed with a thickness smaller than a thickness of the coating section at a location between the coating section and the non-coating section.Type: ApplicationFiled: October 7, 2021Publication date: May 5, 2022Inventors: Dong Hoon Lee, Min Hwan Kim, Jung Min Yang
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Publication number: 20220102727Abstract: Provided is an electrode for a secondary battery, a method of manufacturing the same, and a secondary battery including the electrode.Type: ApplicationFiled: September 27, 2021Publication date: March 31, 2022Inventors: Dong Hoon Lee, Jae Youn Kim, Jung Min Yang
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Publication number: 20210313552Abstract: Disclosed is a coating apparatus for producing an electrode, which has a reduced defect rate in the coating process. The coating apparatus includes a die unit having an inlet through which the electrode slurry is introduced and an inner space for accommodating the introduced electrode slurry; a shim unit mounted in the die unit and configured to form an outlet together with the die unit so that the electrode slurry is discharged therethrough; and a cover member configured to surround an outer surface of the die unit and the shim unit so that the electrode slurry is not leaked at the outer surface, except for the outlet.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Applicant: LG Chem, Ltd.Inventors: Woo-Ha Kim, In-Seong Kim, Il-Jae Moon, Byoung-Hoon Ahn, Jung-Min Yang, Sang-Hoon Choy
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Patent number: 11127936Abstract: Disclosed is a coating apparatus for producing an electrode, which has a reduced defect rate in the coating process. The coating apparatus includes a die unit having an inlet through which the electrode slurry is introduced and an inner space for accommodating the introduced electrode slurry; a shim unit mounted in the die unit and configured to form an outlet together with the die unit so that the electrode slurry is discharged therethrough; and a cover member configured to surround an outer surface of the die unit and the shim unit so that the electrode slurry is not leaked at the outer surface, except for the outlet.Type: GrantFiled: June 27, 2018Date of Patent: September 21, 2021Inventors: Woo-Ha Kim, In-Seong Kim, Il-Jae Moon, Byoung-Hoon Ahn, Jung-Min Yang, Sang-Hoon Choy
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Patent number: 10910639Abstract: A multi-layer negative electrode according to an embodiment of the present disclosure includes: a current collector configured to transmit electrons between an outer lead and a negative electrode active material; a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and including a first negative electrode active material and a first binder; and a second negative electrode mixture layer formed on the first negative electrode mixture layer and including a second negative electrode active material, wherein the first negative electrode mixture layer has an electrode density of about 0.9 to 2.0 g/cc and the second negative electrode mixture layer has an electrode density of about 0.2 to 1.7 g/cc, which is a range lower than that of the electrode density of the first negative electrode mixture layer. The multi-layer negative electrode can be included in a lithium secondary battery.Type: GrantFiled: September 27, 2017Date of Patent: February 2, 2021Inventors: Taek Soo Lee, Chang Wan Koo, Sang Hoon Choi, Jung Min Yang, Il Jae Moon
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Publication number: 20200227719Abstract: Disclosed is a coating apparatus for producing an electrode, which has a reduced defect rate in the coating process. The coating apparatus includes a die unit having an inlet through which the electrode slurry is introduced and an inner space for accommodating the introduced electrode slurry; a shim unit mounted in the die unit and configured to form an outlet together with the die unit so that the electrode slurry is discharged therethrough; and a cover member configured to surround an outer surface of the die unit and the shim unit so that the electrode slurry is not leaked at the outer surface, except for the outlet.Type: ApplicationFiled: June 27, 2018Publication date: July 16, 2020Applicant: LG Chem, Ltd.Inventors: Woo-Ha Kim, In-Seong Kim, Il-Jae Moon, Byoung-Hoon Ahn, Jung-Min Yang, Sang-Hoon Choy
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Publication number: 20200161627Abstract: A method for manufacturing an electrode having an irregular shape through a simple process while minimizing the amount of wasted electrode active material is provided. The method results in first to third coating areas formed to be spaced apart from each other on a collector, a plurality of fourth coating areas formed between the first coating area and the second coating area, and a plurality of fifth coating areas formed between the second coating area and the third coating area. The plurality of fourth coating areas and the plurality of fifth coating areas are dislocated from each other when viewed from one side in a width direction of the collector.Type: ApplicationFiled: November 20, 2018Publication date: May 21, 2020Applicant: LG CHEM, LTD.Inventors: Taek Soo LEE, Jung Min YANG, Sang Hoon CHOY, Cheol Woo KIM
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STRIP-SHAPED ELECTRODE USED FOR CYLINDRICAL JELLY ROLL AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Publication number: 20200067071Abstract: The present disclosure relates to a strip-like electrode for use in a cylindrical jelly roll which includes a strip-like electrode assembly wound cylindrically to form a hollow cavity at the core portion thereof, and a lithium secondary battery including the same. The strip-like electrode includes: a strip-like electrode current collector; a first electrode active material layer formed on at least one surface of the strip-like electrode current collector; and a second electrode active material layer formed on the first electrode active material layer, wherein the second electrode active material layer is formed to have a length smaller than the length of the first electrode active material layer so that a part of one longitudinal surface of the first electrode active material layer can be exposed to the outside.Type: ApplicationFiled: November 9, 2018Publication date: February 27, 2020Applicant: LG CHEM, LTD.Inventors: Byoung-Hoon AHN, Jung-Min YANG, Sang-Hoon CHOY -
Publication number: 20200044230Abstract: A method for manufacturing an electrode for a rechargeable battery includes, with reference to a center axis that divides a metal sheet left and right, setting a first coating line that is parallel with the center axis at a location deflected to one side, and a second coating line that is parallel with the center axis at a location deflected to the other side so as to correspond to the first coating line with reference to the virtual center axis and coating an electrode slurry on the metal sheet while alternately moving a slot die to the first coating line and the second coating line.Type: ApplicationFiled: October 22, 2018Publication date: February 6, 2020Applicant: LG CHEM, LTD.Inventors: Jin Young SON, Moo Yong SHIN, Sang Hoon CHOY, Jung Min YANG, Taek Soo LEE, Do Hyun LEE, Chan Soo JUN, Cheol Woo KIM
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Patent number: 10535862Abstract: Disclosed is a system for manufacturing an electrode for a secondary battery, which includes an active material drying unit configured to dry an active material coated on an electrode current collector, and a tester unit configured to measure a dried state of the active material by performing a scratch test to the dried active material.Type: GrantFiled: November 30, 2017Date of Patent: January 14, 2020Assignee: LG CHEM, LTD.Inventors: Jin-Young Son, Jung-Min Yang, Taek-Soo Lee, Chan-Soo Jun, Hyung-Suk Cho, Sang-Hoon Choy
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Publication number: 20190305308Abstract: The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and containing natural graphite as a negative electrode active material and a second negative electrode mixture layer formed on the first negative electrode mixture layer and containing artificial graphite as a negative electrode active material, and a lithium secondary battery including the same.Type: ApplicationFiled: September 27, 2017Publication date: October 3, 2019Applicant: LG CHEM, LTD.Inventors: Taek Soo LEE, Chang Wan KOO, Sang Hoon CHOI, Jung Min YANG, Il Jae MOON