Patents by Inventor Jun Hyoung Park
Jun Hyoung 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: 20260123169Abstract: A composition for an organic light emitting device and an organic light emitting device including the same. The composition includes a first compound represented by the following Chemical Formula 1 and a second compound represented by the following Chemical Formula 2: where the substituents are as defined in the specification. Organic light emitting devices including the composition exhibited excellent efficiency, driving voltage, and lifetime characteristics.Type: ApplicationFiled: September 24, 2025Publication date: April 30, 2026Inventors: Young Seok KIM, Miyeon HAN, Min Woo JUNG, Jun Hyoung PARK, Joongsuk OH, Hoon Jun KIM, Hye Min CHO, Hojung LEE, Soyeon KIM, Hyungjin PARK, Jeonghoe HEO
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Publication number: 20260114117Abstract: A composition for an organic light emitting device, including a first compound of the following Chemical Formula 1 and a second compound of the following Chemical Formula 2: wherein: Ar1 is a substituted or unsubstituted C6-60 aryl; Ar2 is a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected among N, O and S, provided that the case where Ar2 is a monocyclic containing one or more N atoms is excluded; Ar is C6-60 aryl that is unsubstituted or substituted with one or more substituents selected from the group consisting of deuterium, tritium, alkyl, and aryl, or substituted with a substituent to which two or more substituents of the above-exemplified substituents are connected; and the other substituents are as described in the specification; and an organic light emitting device including the composition.Type: ApplicationFiled: September 30, 2025Publication date: April 23, 2026Inventors: Hoon Jun KIM, Miyeon HAN, Min Woo JUNG, Young Seok KIM, Jun Hyoung PARK, Joongsuk HO, Hye Min CHO, Hojung LEE, Soyeon KIM, Hyungjin PARK, Jeonghoe HEO
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Publication number: 20250368764Abstract: The present disclosure provides a method for producing a cured product using an inert redox initiator system, and a cured product resulting therefrom. Specifically, the method for producing a cured product according to the present disclosure comprises a step of contacting a layer of a curable composition including a curable syrup and a first initiator component with a layer of a second initiator component of a film including the layer of the second initiator component on a surface thereof to perform curing the curable composition, and is characterized in that the initiator component is an inert redox initiator system comprising an oxidizing agent and a reducing agent, the reducing agent comprises a metal compound, and the metal compound is included in an effective amount only in any one of the layer of the second initiator component on the film or the layer of the curable composition.Type: ApplicationFiled: June 16, 2023Publication date: December 4, 2025Inventors: Woo Yeon KIM, Hyun Cheol KIM, Jae Sung HONG, Jun Hyoung PARK
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Patent number: 12480007Abstract: A coating composition is provided. The coating composition of the present application has excellent compatibility between the components. In addition, there is an advantage that the release layer formed from the coating composition of the present application has low transmittance for light having a wavelength of 380 nm or more.Type: GrantFiled: November 28, 2019Date of Patent: November 25, 2025Assignee: LG Chem, Ltd.Inventors: Jun Hyoung Park, Mi Seon Kim, Kwang Su Seo
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Publication number: 20250206995Abstract: The present application provides a release composition, a release layer, a release film, and a pressure-sensitive adhesive film. The release composition of the present application has excellent curability, and thus can be stably cured to form a release layer. When the release layer has been formed, the present application can provide a release composition allowing to exhibit a stable residual adhesion rate even if the release layer is repeatedly applied to a pressure-sensitive adhesive layer or the like. The release layer of the present application can maintain desired release characteristics even if it is maintained at room temperature and a high temperature for a long time. In addition, the release layer can stably maintain a balance of high-speed and low-speed peeling forces.Type: ApplicationFiled: March 22, 2023Publication date: June 26, 2025Applicant: LG CHEM, LTD.Inventors: Jun Hyoung PARK, Hyun Cheol KIM
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Publication number: 20250101273Abstract: Provided are a polyorganosiloxane comprising a siloxane unit of Formula 1 and a siloxane unit of Formula 2, a release composition that can form a release layer capable of securing solvent resistance by maximizing a bonding force between a base film and the release layer, having an appropriate peel force even under room temperature and high temperature conditions, having a little change in the peel force even under high temperature and ultraviolet irradiation conditions, and securing an excellent residual adhesion rate, and a release film and a pressure-sensitive adhesive film comprising the release layer, (R1mR2nSiO(4-m-n/2)??[Formula 1] (R3pR4qSiO(4-p-q)/2)??[Formula 2] wherein all the variables are described herein.Type: ApplicationFiled: February 10, 2023Publication date: March 27, 2025Applicant: LG Chem, Ltd.Inventors: Jun Hyoung Park, Hyun Cheol Kim
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Publication number: 20250101225Abstract: A curable composition is provided. The curable composition comprises a polyorganosiloxane component and a redox catalyst, and is capable of curing a pressure-sensitive adhesive composition without a curing process by heat or energy rays so as to form a pressure-sensitive adhesive layer having appropriate release peel force and residual bond ratio.Type: ApplicationFiled: October 26, 2022Publication date: March 27, 2025Inventors: Jun Hyoung PARK, Hyun Cheol KIM, Woo Yeon KIM, Jae Sung HONG
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Patent number: 12234375Abstract: The present disclosure relates to a silicone-based coating composition, and a silicone-based release film including the same, wherein the silicone-based coating composition comprises a silicone-based compound represented by the following Chemical Formula 1 having a weight average molecular weight of greater than or equal to 25,000 g/mol and less than or equal to 70,000 g/mol: wherein R1 to R3 and n are described herein.Type: GrantFiled: August 26, 2021Date of Patent: February 25, 2025Assignee: LG Chem, Ltd.Inventors: Jun Hyoung Park, Jun Beom Park, Jihye Jung, Kwang Su Seo
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Patent number: 11674061Abstract: A substrate-free adhesive tape that is excellent in adhesive physical properties and is suitable for a continuous process is provided. The substrate-free adhesive tape includes a release film, and an adhesive layer provided on one surface of the release film and the adhesive layer containing a cured product of an adhesive composition, wherein when the release film is fixed on the outer surface of a semicircular tip part of a jig, the semicircular tip part having a radius of 22.5 mm, a breaking distance of the adhesive layer is 110 mm or less when the adhesive layer is stretched at a rate of 20 m/min from a semicircular center of the semicircular tip part toward an outermost direction of the semicircular tip part.Type: GrantFiled: August 6, 2019Date of Patent: June 13, 2023Inventors: Ki Seung Seo, Ji Hye Kim, Sang Hwan Kim, Jun Hyoung Park, Kyung Jun Yoon
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Patent number: 11670824Abstract: The present disclosure relates to a secondary battery, which can improve the sealing efficiency of a can (or case). The secondary battery includes an electrode assembly; a case configured to accommodate the electrode assembly, the case including a bottom portion, long side portions and short side portions, at least one of which includes a welding portion that is configured to be bent and welded, and a cap plate coupled to the case, wherein a portion of the welding portion is overlap-welded.Type: GrantFiled: January 22, 2020Date of Patent: June 6, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Dae Sik Oh, Jun Hyoung Park, Yong Seok Oh
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Patent number: 11626639Abstract: The present disclosure relates to a secondary battery, which can improve the sealing efficiency of a can (or case). The secondary battery includes an electrode assembly; a case configured to accommodate the electrode assembly, the case including a bottom portion, long side portions and short side portions, at least one of which includes a welding portion that is configured to be bent and welded, and a cap plate coupled to the case, wherein a portion of the welding portion is overlap-welded.Type: GrantFiled: January 22, 2020Date of Patent: April 11, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Dae Sik Oh, Jun Hyoung Park, Yong Seok Oh
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Publication number: 20230094474Abstract: The present disclosure relates to a silicone-based coating composition, and a silicone-based release film including the same, wherein the silicone-based coating composition comprises a silicone-based compound represented by the following Chemical Formula 1 having a weight average molecular weight of greater than or equal to 25,000 g/mol and less than or equal to 70,000 g/mol: wherein R1 to R3 and n are described herein.Type: ApplicationFiled: August 26, 2021Publication date: March 30, 2023Applicant: LG Chem, Ltd.Inventors: Jun Hyoung Park, Jun Beom Park, Jihye Jung, Kwang Su Seo
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Publication number: 20220380635Abstract: The present disclosure relates to a silicone-based coating composition, and a silicone-based release film comprising the same.Type: ApplicationFiled: July 20, 2021Publication date: December 1, 2022Applicant: LG Chem, Ltd.Inventors: Jun Hyoung Park, Jihye Jung, Kwang Su Seo
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Patent number: 11427736Abstract: Provided is a substrate-free transfer tape including: a release liner including a heavy peel surface and a light peel surface; and a transfer film layer provided on the heavy peel surface, in which release peel force between the heavy peel surface and the transfer film layer is from 10 g/in to 70 g/in or less at the time of peeling the transfer film layer at a rate of 3 m/min.Type: GrantFiled: February 9, 2018Date of Patent: August 30, 2022Inventors: Ji Hye Kim, Ki Seung Seo, Jun Hyoung Park, Jang Soon Kim, Kyung Jun Yoon
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Publication number: 20220002566Abstract: A coating composition is provided. The coating composition of the present application has excellent compatibility between the components. In addition, there is an advantage that the release layer formed from the coating composition of the present application has low transmittance for light having a wavelength of 380 nm or more.Type: ApplicationFiled: November 28, 2019Publication date: January 6, 2022Applicant: LG Chem, Ltd.Inventors: Jun Hyoung Park, Mi Seon Kim, Kwang Su Seo
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Publication number: 20210002524Abstract: A substrate-free adhesive tape that is excellent in adhesive physical properties and is suitable for a continuous process is provided. The substrate-free adhesive tape includes a release film, and an adhesive layer provided on one surface of the release film and the adhesive layer containing a cured product of an adhesive composition, wherein when the release film is fixed on the outer surface of a semicircular tip part of a jig, the semicircular tip part having a radius of 22.5 mm, a breaking distance of the adhesive layer is 110 mm or less when the adhesive layer is stretched at a rate of 20 m/min from a semicircular center of the semicircular tip part toward an outermost direction of the semicircular tip part.Type: ApplicationFiled: August 6, 2019Publication date: January 7, 2021Applicant: LG Chem, Ltd.Inventors: Ki Seung Seo, Ji Hye Kim, Sang Hwan Kim, Jun Hyoung Park, Kyung Jun Yoon
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Publication number: 20200381681Abstract: The present disclosure relates to a secondary battery, which can improve the sealing efficiency of a can (or case). The secondary battery includes an electrode assembly; a case configured to accommodate the electrode assembly, the case including a bottom portion, long side portions and short side portions, at least one of which includes a welding portion that is configured to be bent and welded, and a cap plate coupled to the case, wherein a portion of the welding portion is overlap-welded.Type: ApplicationFiled: January 22, 2020Publication date: December 3, 2020Inventors: Dae Sik OH, Jun Hyoung PARK, Yong Seok OH
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Publication number: 20190382624Abstract: Provided is a substrate-free transfer tape including: a release liner including a heavy peel surface and a light peel surface; and a transfer film layer provided on the heavy peel surface, in which release peel force between the heavy peel surface and the transfer film layer is 10 g/in or more and 70 g/in or less at the time of peeling the transfer film layer at a rate of 3 m/min.Type: ApplicationFiled: February 9, 2018Publication date: December 19, 2019Applicant: LG Chem, Ltd.Inventors: Ji Hye Kim, Ki Seung Seo, Jun Hyoung Park, Jang Soon Kim, Kyung Jun Yoon
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Publication number: 20160268465Abstract: A plurality of transparent nano plastic balls include a solar cell using sunlight to generate electricity, a first ethylene vinyl acetate (EVA) layer formed on a front surface of the solar cell, a second ethylene vinyl acetate (EVA) layer formed on a back surface of the solar cell, a cover attached to a front surface of the first ethylene vinyl acetate layer, and a primer layer formed on a front surface of the cover.Type: ApplicationFiled: March 18, 2015Publication date: September 15, 2016Applicant: BJ POWER CO., LTD.Inventors: Yong Sik KIM, Jun Hyoung PARK
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Publication number: 20110259403Abstract: Disclosed is a method for manufacturing a photovoltaic device. The method comprises forming a first electrode, a photoelectric conversion layer and a second electrode on a substrate sequentially; forming an insulating layer covering the second electrode; forming a first trench line and a second trench line in the insulating layer on the second electrode such that the second electrode is exposed, wherein at least two photovoltaic cells are included between the first trench line and the second trench line; and forming a first conductive bus bar and a second conductive bus bar by filling the first and the second trench lines with a conductive material.Type: ApplicationFiled: March 9, 2011Publication date: October 27, 2011Inventors: Seung-Yeop Myong, Jun Hyoung Park