Patents by Inventor Hae Woong PARK
Hae Woong PARK 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: 20240136674Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.Type: ApplicationFiled: January 19, 2022Publication date: April 25, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI
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Publication number: 20240128517Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.Type: ApplicationFiled: January 19, 2022Publication date: April 18, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
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Publication number: 20230217616Abstract: A foldable display apparatus includes: a display panel; first and second set housings arranged in a first direction and supporting the display panel; and a hinge assembly disposed between and connected to the first and second set housings. The hinge assembly is configured to: rotate the first and second set housings inward to in-fold the display panel so that the display panel is disposed between the first set housing and the second set housing; rotate the first and second set housings outward to out-fold the display panel so that the first set housing and the second set housing are disposed between the out-folded display panel; and position the first and second set housings flat to unfold the display panel so that the display panel is flat on the first set housing, the second set housing, and the hinge assembly.Type: ApplicationFiled: December 29, 2022Publication date: July 6, 2023Applicants: LG Display Co., Ltd., LMT Co., Ltd.Inventors: Jungkyu PARK, Minkyung KIM, Hosung PARK, SangJun LEE, Hae Woong PARK, TaeWoo KIM, Eunae CHO
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Patent number: 11499017Abstract: A method of preparing an aqueous dispersion of an ethylene-carboxylic acid copolymer according to exemplary embodiments of the present invention includes: mixing 30% by weight or more of an ethylene-(meth)acrylic acid copolymer, a basic compound, and water to form a mixed solution; and adding an inorganic salt compound to the mixed solution. Therefore, the aqueous dispersion of the ethylene-carboxylic acid copolymer may be effectively dispersed.Type: GrantFiled: October 6, 2020Date of Patent: November 15, 2022Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd., SK GC Americas Inc.Inventors: Hai Jin Shin, Doh Yeon Park, Yong Zheng, Hae Woong Park
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Publication number: 20210238398Abstract: The present invention provides an ethylene/alpha-olefin copolymer satisfying the following conditions (a) to (d): (a) density: 0.850 to 0.910 g/cc, (b) melt index (MI, 190° C., 2.16 kg load conditions): 0.1 to 100 dg/min, (c) molecular weight distribution (MWD): 1.5 to 3.0, and (d) a Rv value of 0.18 to 0.59.Type: ApplicationFiled: May 3, 2019Publication date: August 5, 2021Applicant: LG Chem, Ltd.Inventors: Seul Ki Kim, Hae Woong Park, Young Woo Lee, Ki Eun Kim, Choong Hoon Lee
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Publication number: 20210102030Abstract: A method of preparing an aqueous dispersion of an ethylene-carboxylic acid copolymer according to exemplary embodiments of the present invention includes: mixing 30% by weight or more of an ethylene-(meth)acrylic acid copolymer, a basic compound, and water to form a mixed solution; and adding an inorganic salt compound to the mixed solution. Therefore, the aqueous dispersion of the ethylene-carboxylic acid copolymer may be effectively dispersed.Type: ApplicationFiled: October 6, 2020Publication date: April 8, 2021Inventors: Hai Jin Shin, Doh Yeon Park, Yong Zheng, Hae Woong Park
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Patent number: 10844206Abstract: The present invention relates to a polypropylene-based resin composition which exhibits mechanical properties such as excellent strength and more improved impact strength, and a molded article comprising the same. The polypropylene-based resin composition comprises: a polypropylene-based resin; and an olefin-based copolymer, and shows two or more elution temperatures at a predetermined temperature range when analyzing the olefin-based copolymer by temperature rising elution fractionation (TREF).Type: GrantFiled: September 18, 2017Date of Patent: November 24, 2020Assignee: LG Chem, Ltd.Inventors: Hyo Ju Kim, In Sung Park, Sang Eun Park, Hae Woong Park, Kyung Bok Bae, Choong Hoon Lee
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Publication number: 20200010657Abstract: The present invention relates to a polypropylene-based resin composition which exhibits mechanical properties such as excellent strength and more improved impact strength, and a molded article comprising the same. The polypropylene-based resin composition comprises: a polypropylene-based resin; and an olefin-based copolymer, and shows two or more elution temperatures at a predetermined temperature range when analyzing the olefin-based copolymer by temperature rising elution fractionation (TREF).Type: ApplicationFiled: September 18, 2017Publication date: January 9, 2020Applicant: LG Chem, Ltd.Inventors: Hyo Ju Kim, In Sung Park, Sang Eun Park, Hae Woong Park, Kyung Bok Bae, Choong Hoon Lee
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Patent number: 10508165Abstract: The present invention provides an olefin-based polymer which satisfies the following conditions of (1) to (4) and is capable of exhibiting improved impact strength without degrading mechanical properties such as tensile strength: (1) density (d): from 0.850 to 0.910 g/cc, (2) melting index (MI, 190° C., 2.16 kg load conditions): from 0.1 to 100 g/10 min, (3) molecular weight distribution (MWD): from 1.5 to 3.0, and (4) two peaks are shown in a temperature range of ?20° C. to 120° C. when taking measurements of temperature rising elution fractionation (TREF), and a relation of T(90)?T(50)?60° C. is satisfied (where T(90) is a temperature at which 90 wt % of the olefin-based polymer is eluted, and T(50) is a temperature at which 50 wt % of the olefin-based polymer is eluted).Type: GrantFiled: December 8, 2016Date of Patent: December 17, 2019Assignee: LG Chem, Ltd.Inventors: Sang Eun Park, Hae Woong Park, Choong Hoon Lee, Seung Hwan Jung, Ji Yoon Woo, Hyo Ju Kim, Young Woo Lee
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Patent number: 10487158Abstract: The present invention provides a polypropylene-based composite material capable of exhibiting excellent strength properties and impact strength properties, particularly, markedly improved impact strength properties at a low temperature without using a separate additive by including (A) polypropylene, and (B) an olefin-based polymer which satisfies the conditions of the following (b1) to (b4): (b1) density (d): from 0.850 to 0.910 g/cc, (b2) melt index (MI, 190° C., 2.16 kg load conditions): from 0.1 g/10 min to 100 g/10 min, (b3) molecular weight distribution (MWD): from 1.5 to 3.0, and (b4) i) two peaks are shown in a temperature range of ?20° C. to 120° C. when taking measurements of temperature rising elution fractionation, and ii) a relation of T(90)?T(50)?60° C. is satisfied (where T(90) is a temperature at which 90 wt % of the olefin-based polymer is eluted, and T(50) is a temperature at which 50 wt % of the olefin-based polymer is eluted).Type: GrantFiled: December 8, 2016Date of Patent: November 26, 2019Assignee: LG Chem, Ltd.Inventors: Ji Yoon Woo, Hae Woong Park, Choong Hoon Lee, Hyo Ju Kim, Sang Eun Park, Young Woo Lee, Ik Je Choe
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Patent number: 10280236Abstract: The present invention relates to a novel ligand compound, a transition metal compound and a catalyst composition including the transition metal compound. The novel ligand compound and the transition metal compound of the present invention may be usefully used as the catalyst of a polymerization reaction for preparing an olefin polymer having a low density relative to a CGC catalyst. In addition, a product having a low melt index (MI) and a high molecular weight may be manufactured using the olefin polymer polymerized using the catalyst composition including the transition metal compound.Type: GrantFiled: September 4, 2018Date of Patent: May 7, 2019Assignee: LG CHEM, LTD.Inventors: A Rim Kim, Dong Eun Kim, Jin Sam Gong, Seung Hwan Jung, Hae Woong Park
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Publication number: 20180371116Abstract: The present invention relates to a novel ligand compound, a transition metal compound and a catalyst composition including the transition metal compound. The novel ligand compound and the transition metal compound of the present invention may be usefully used as the catalyst of a polymerization reaction for preparing an olefin polymer having a low density relative to a CGC catalyst. In addition, a product having low melt index (MI) and a high molecular weight may be manufactured using the olefin polymer polymerized using the catalyst composition including the transition metal compound.Type: ApplicationFiled: September 4, 2018Publication date: December 27, 2018Applicant: LG CHEM, LTD.Inventors: A Rim KIM, Dong Eun KIM, Jin Sam GONG, Seung Hwan JUNG, Hae Woong PARK
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Patent number: 10093755Abstract: The present invention relates to a novel ligand compound, a transition metal compound and a catalyst composition including the transition metal compound. The novel ligand compound and the transition metal compound of the present invention may be usefully used as the catalyst of a polymerization reaction for preparing an olefin polymer having a low density relative to a CGC catalyst. In addition, a product having a low melt index (MI) and a high molecular weight may be manufactured using the olefin polymer polymerized using the catalyst composition including the transition metal compound.Type: GrantFiled: July 24, 2015Date of Patent: October 9, 2018Assignee: LG CHEM, LTD.Inventors: A Rim Kim, Dong Eun Kim, Jin Sam Gong, Seung Hwan Jung, Hae Woong Park
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Publication number: 20180223014Abstract: The present invention provides a polypropylene-based composite material capable of exhibiting excellent strength properties and impact strength properties, particularly, markedly improved impact strength properties at a low temperature without using a separate additive by including (A) polypropylene, and (B) an olefin-based polymer which satisfies the conditions of the following (b1) to (b4): (b1) density (d): from 0.850 to 0.910 g/cc, (b2) melt index (MI, 190° C., 2.16 kg load conditions): from 0.1 g/10 min to 100 g/10 min, (b3) molecular weight distribution (MWD): from 1.5 to 3.0, and (b4) i) two peaks are shown in a temperature range of ?20° C. to 120° C. when taking measurements of temperature rising elution fractionation, and ii) a relation of T(90)?T(50)?60° C. is satisfied (where T(90) is a temperature at which 90 wt % of the olefin-based polymer is eluted, and T(50) is a temperature at which 50 wt % of the olefin-based polymer is eluted).Type: ApplicationFiled: December 8, 2016Publication date: August 9, 2018Applicant: LG Chem, Ltd.Inventors: Ji Yoon Woo, Hae Woong Park, Choong Hoon Lee, Hyo Ju Kim, Sang Eun Park, Young Woo Lee, Ik Je Choe
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Publication number: 20180201706Abstract: The present invention provides an olefin-based polymer which satisfies the following conditions of (1) to (4) and is capable of exhibiting improved impact strength without degrading mechanical properties such as tensile strength: (1) density (d): from 0.850 to 0.910 g/cc, (2) melting index (MI, 190° C., 2.16 kg load conditions): from 0.1 to 100 g/10 min, (3) molecular weight distribution (MWD): from 1.5 to 3.0, and (4) two peaks are shown in a temperature range of ?20° C. to 120° C. when taking measurements of temperature rising elution fractionation (TREF), and a relation of T(90)?T(50)?60° C. is satisfied (where T(90) is a temperature at which 90 wt % of the olefin-based polymer is eluted, and T(50) is a temperature at which 50 wt % of the olefin-based polymer is eluted).Type: ApplicationFiled: December 8, 2016Publication date: July 19, 2018Applicant: LG Chem, Ltd.Inventors: Sang Eun Park, Hae Woong Park, Choong Hoon Lee, Seung Hwan Jung, Ji Yoon Woo, Hyo Ju Kim, Young Woo Lee
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Patent number: 10023669Abstract: The present invention relates to an olefin-based polymer exhibiting a single peak when analyzed by gel permeation chromatography (GPC), and having three elution temperatures Te1, Te2 and Te3 when measuring temperature rising elution fractionation (TREF) at a temperature ranging from ?20° C. to 120° C. Accordingly, the olefin-based polymer having excellent mechanical strength, and in particular, significantly improved impact strength is provided.Type: GrantFiled: March 23, 2016Date of Patent: July 17, 2018Assignee: LG CHEM, LTD.Inventors: Hyo Ju Kim, Ji Yoon Woo, Sang Eun Park, Young Woo Lee, Choong Hoon Lee, Hae Woong Park, Ik Je Choe
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Patent number: 9822200Abstract: The present invention relates to a novel ligand compound, a transition metal compound, and a catalytic composition including the same. The novel ligand compound and the transition metal compound of the present invention are useful as a polymerization reaction catalyst in preparing an olefin-based polymer having low density. In addition, an olefin polymer polymerized using a catalytic composition including the transition metal compound is capable of being prepared to a high molecular weight product having a low melt index (MI).Type: GrantFiled: November 6, 2015Date of Patent: November 21, 2017Assignee: LG CHEM, LTD.Inventors: Dong Eun Kim, A Rim Kim, Jin Sam Gong, Seung Hwan Jung, Hae Woong Park
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Patent number: 9725531Abstract: This disclosure relates to a catalyst composition that can prepare polyolefin having high molecular weight, a method for preparing the same, and a method for preparing polyolefin using the same. The dinuclear metallocene compound included in the catalyst composition according to the present invention is a dinuclear metallocene compound with a new structure, and, unlike a single-site catalyst, has high accessibility to a substrate, and thus, can provide a multi-site catalyst with high activity.Type: GrantFiled: December 27, 2013Date of Patent: August 8, 2017Assignee: LG Chem, Ltd.Inventors: Young Shil Do, Choong Hoon Lee, Seung Hwan Jung, Don Ho Kum, Sang Eun Park, Hae Woong Park
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Publication number: 20170218105Abstract: The present invention relates to an olefin-based polymer exhibiting a single peak when analyzed by gel permeation chromatography (GPC), and having three elution temperatures Te1, Te2 and Te3 when measuring temperature rising elution fractionation (TREF) at a temperature ranging from ?20° C. to 120° C. Accordingly, the olefin-based polymer having excellent mechanical strength, and in particular, significantly improved impact strength is provided.Type: ApplicationFiled: March 23, 2016Publication date: August 3, 2017Applicant: LG Chem, Ltd.Inventors: Hyo Ju KIM, Ji Yoon WOO, Sang Eun PARK, Young Woo LEE, Choong Hoon LEE, Hae Woong PARK, Ik Je CHOE
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Patent number: 9701768Abstract: The present invention relates to a polyolefin having a molecular weight distribution of 1.5 to 3.0 and having a branch gradient number (BGN) of 0.01 to 1.0. According to the present invention, there is provided the polyolefin having a narrow molecular weight distribution and showing a unique comonomer distribution to have excellent impact strength and mechanical physical properties.Type: GrantFiled: September 29, 2014Date of Patent: July 11, 2017Assignee: LG CHEM, LTD.Inventors: Don Ho Kum, Choong Hoon Lee, Sang Eun Park, Seung Hwan Jung, Yoon Hee Cho, Young Shil Do, Hae Woong Park, Young Woo Lee