Patents by Inventor Yoon-kyung Kwon
Yoon-kyung Kwon 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: 20230168536Abstract: A polarizing plate and a display device including the same is disclosed herein. In some embodiments, a polarizing plate includes a polarizer which allows only light polarized in a specific direction to pass through; and a haze adhesive film disposed on a one surface of the polarizer and having a haze of 49% to 65%, wherein the haze adhesive film is configured to adhere to the display device, and reduce moire occurring in the dual cell structure of the display device.Type: ApplicationFiled: October 8, 2021Publication date: June 1, 2023Applicant: LG Chem, Ltd.Inventors: Ha-Song Yun, Na-Hee Kim, Yoon-Kyung Kwon
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Patent number: 11091672Abstract: The present application relates to a method for manufacturing a pressure-sensitive adhesive film. In an embodiment, a method for manufacturing a pressure-sensitive adhesive film having a pressure-sensitive adhesive layer and a base layer includes applying a pressure-sensitive adhesive composition on at least one side of a base layer, where the pressure-sensitive adhesive composition comprises an isocyanate compound, a metal compound and an acrylic polymer; and drying the pressure-sensitive adhesive composition at a temperature of 100° C. or higher to form a pressure-sensitive adhesive layer on the base layer.Type: GrantFiled: October 31, 2017Date of Patent: August 17, 2021Inventors: Hui Je Lee, Byung Su Park, Yoon Kyung Kwon
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Patent number: 10947420Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability while having appropriate adhesive force and cohesive force, thereby being useful for forming a pressure-sensitive adhesive layer for a foldable display.Type: GrantFiled: March 7, 2019Date of Patent: March 16, 2021Assignee: LG CHEM, LTD.Inventors: Hyon Gyu Park, Dong Kyu Roh, Yoon Kyung Kwon
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Patent number: 10920113Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability, and also excellent adhesive force and cohesive force.Type: GrantFiled: September 8, 2017Date of Patent: February 16, 2021Assignee: LG CHEM, LTD.Inventors: Hyon Gyu Park, Dong Kyu Roh, Yoon Kyung Kwon, Byung Su Park, Hui Je Lee
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Patent number: 10920112Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability while having appropriate adhesive force and cohesive force, thereby being useful for forming a pressure-sensitive adhesive layer for a foldable display having improved release force.Type: GrantFiled: September 8, 2017Date of Patent: February 16, 2021Assignee: LG CHEM, LTD.Inventors: Hyon Gyu Park, Dong Kyu Roh, Yoon Kyung Kwon
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Publication number: 20200048505Abstract: The present application relates to a method for manufacturing a pressure-sensitive adhesive film. In an embodiment, a method for manufacturing a pressure-sensitive adhesive film having a pressure-sensitive adhesive layer and a base layer includes applying a pressure-sensitive adhesive composition on at least one side of a base layer, where the pressure-sensitive adhesive composition comprises an isocyanate compound, a metal compound and an acrylic polymer; and drying the pressure-sensitive adhesive composition at a temperature of 100° C. or higher to form a pressure-sensitive adhesive layer on the base layer.Type: ApplicationFiled: October 31, 2017Publication date: February 13, 2020Applicant: LG Chem, Ltd.Inventors: Hui Je LEE, Byung Su PARK, Yoon Kyung KWON
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Patent number: 10509273Abstract: A display element, a method for manufacturing the same, and a use thereof are provided. The display element can induce a decrease in driving voltage without reducing a difference in a cell gap, have durability by ensuring proper adhesion characteristics, and, specifically, can effectively overcome a problem of the display element including a vertical alignment adhesive layer, in particular, a problem of increasing driving voltage, which can be generated when the thickness is increased so as to improve the adhesion characteristics.Type: GrantFiled: June 10, 2016Date of Patent: December 17, 2019Assignee: LG Chem, Ltd.Inventors: Jung Sun You, Yoon Kyung Kwon, Dong Hyun Oh, Sung Joon Min, Jin Hong Kim, Jung Woon Kim, Eun Jung Lim
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Patent number: 10505067Abstract: Provided are an aqueous dispersion composition, a backsheet for a photovoltaic module, a method of preparing the same, and a photovoltaic module. Since the aqueous dispersion composition includes a fluorine-based polymer, a pigment and an aqueous dispersion binder, a backsheet for a photovoltaic module using the aqueous dispersion composition is prepared without a toxic organic solvent, and thus is environmentally friendly and economical. In addition, as the aqueous dispersion binder is used, a chalking phenomenon in which the pigment projected on a surface of the backsheet is easily detached may be prevented, thereby enhancing both productivity and quality.Type: GrantFiled: May 9, 2014Date of Patent: December 10, 2019Assignee: LG CHEM, LTD.Inventors: Yoon Kyung Kwon, Hyun Cheol Kim
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Publication number: 20190233682Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability while having appropriate adhesive force and cohesive force, thereby being useful for forming a pressure-sensitive adhesive layer for a foldable display having improved release force.Type: ApplicationFiled: September 8, 2017Publication date: August 1, 2019Applicant: LG CHEM, LTD.Inventors: Hyon Gyu PARK, Dong Kyu ROH, Yoon Kyung KWON
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Publication number: 20190203077Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability while having appropriate adhesive force and cohesive force, thereby being useful for forming a pressure-sensitive adhesive layer for a foldable display.Type: ApplicationFiled: March 7, 2019Publication date: July 4, 2019Applicant: LG CHEM, LTD.Inventors: Hyon Gyu PARK, Dong Kyu ROH, Yoon Kyung KWON
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Publication number: 20190203078Abstract: The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability, and also excellent adhesive force and cohesive force.Type: ApplicationFiled: September 8, 2017Publication date: July 4, 2019Applicant: LG CHEM, LTD.Inventors: Hyon Gyu PARK, Dong Kyu ROH, Yoon Kyung KWON, Byung Su PARK, Hui Je LEE
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Publication number: 20190119537Abstract: [Summary] The present invention relates to a protective film and a polarizing plate comprising the same, and provides a protective film capable of minimizing the amount of static electricity that can be generated upon peeling the protective film.Type: ApplicationFiled: March 13, 2017Publication date: April 25, 2019Applicant: LG Chem, Ltd.Inventors: Byung Su Park, Hui Je Lee, Hak Lim Kim, Yoon Kyung Kwon, Dong Kyu Kim, Hoon Jung
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Publication number: 20180074377Abstract: A display element, a method for manufacturing the same, and a use thereof are provided. The display element can induce a decrease in driving voltage without reducing a difference in a cell gap, have durability by ensuring proper adhesion characteristics, and, specifically, can effectively overcome a problem of the display element including a vertical alignment adhesive layer, in particular, a problem of increasing driving voltage, which can be generated when the thickness is increased so as to improve the adhesion characteristics.Type: ApplicationFiled: June 10, 2016Publication date: March 15, 2018Applicant: LG Chem, Ltd.Inventors: Jung Sun You, Yoon Kyung Kwon, Dong Hyun Oh, Sung Joon Min, Jin Hong Kim, Jung Woon Kim, Eun Jung Lim
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Patent number: 9640690Abstract: Provided are a multi-layered film, a backsheet for a photovoltaic cell, a method of forming the same and a photovoltaic module. The multi-layered film may include a primer layer and a fluoropolymer coating layer formed by coating, and thus the fluoropolymer coating layer, which is a surface layer, may have excellent durability and weather resistance due to an inter-diffusion effect between materials in the respective layers, and a high interface adhesive strength with a substrate and the primer layer. In addition, in the preparation of the multi-layered film, a production cost may be reduced, productivity may be increased, and degradation in quality of a product caused by thermal transformation or heat shock may be prevented. The multi-layered film may be effectively used as a backsheet for various photovoltaic modules.Type: GrantFiled: April 2, 2014Date of Patent: May 2, 2017Assignee: LG Chem, Ltd.Inventors: Yoon Kyung Kwon, Hyun Cheol Kim, Hyun Seong Ko
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Patent number: 9478678Abstract: A front sheet of solar cell, a method of manufacturing the same and a photovoltaic module are provided. The front sheet of solar cell can effectively block infrared rays (IRs) by forming an IR blocking layer including a cholesteric liquid crystal (CLC) material on a substrate. Thus, an increase in temperature of a cell can be suppressed so that the power generation efficiency of the cell can be improved. Also, the multi-layered sheet can be configured so that a UV blocking layer including a fluorine-based polymer and a wavelength conversion material can be formed on the IR blocking layer. Thus, wavelengths of a UV region can be converted into wavelengths of a VR region so that the power generation efficiency of the cell can be improved, and discoloration and deformation caused by UVs can be prevented so that the weather resistance can be improved.Type: GrantFiled: July 30, 2015Date of Patent: October 25, 2016Assignee: LG CHEM, LTD.Inventors: Hyun Cheol Kim, Moon Soo Park, Dae Hee Lee, Yoon Kyung Kwon, Hyun Seong Ko
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Patent number: 9450128Abstract: A multi-layered film, a backsheet for photovoltaic modules, a method of manufacturing the same, and a photovoltaic module are provided. The multi-layered film having excellent reliability and adhesive strength under high heat/moisture conditions and also showing excellent weather resistance and durability may be provided by forming a primer layer including an oxazoline group-containing polymer on a substrate and forming a resin layer including a fluorine-based polymer on the primer layer. The primer layer and resin layer of the multi-layered film may be manufactured at a low cost under a low drying temperature using a solvent having a low boiling point, so that the manufacturing costs can be reduced and the quality of the product can be prevented from being deteriorated by thermal deformation or thermal shock.Type: GrantFiled: July 24, 2013Date of Patent: September 20, 2016Assignee: LG CHEM, LTD.Inventors: Hyun Cheol Kim, Yoon Kyung Kwon
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Patent number: 9379264Abstract: A multilayered film, a back sheet for a photovoltaic cell, methods of manufacturing the film and cell, and a photovoltaic module including the film and cell are provided. The multilayered film includes a resin layer formed on a substrate, and the resin layer contains a fluorine-based polymer and a reactive functional group having an equivalent weight of 30,000 or less. The resin layer containing the fluorine-based polymer has good durability and weatherability and is highly adhesive to the substrate at an interface between the resin layer and the substrate. Also, since a drying process may be performed at a low temperature during manufacture of the multilayered film, manufacturing costs may be reduced, productivity may be increased, and degradation in the quality of products due to thermal deformation or thermal shock may be prevented. The multilayered film may be effectively used as, for example, a back sheet for various photovoltaic modules.Type: GrantFiled: May 9, 2013Date of Patent: June 28, 2016Assignee: LG CHEM, LTD.Inventors: Hyun Cheol Kim, Yoon Kyung Kwon, Hyun Seong Ko, Hyo Soon Park, Do Won Ahn
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Patent number: 9312415Abstract: Provided are a multi-layered sheet, a backsheet for a photovoltaic cell, a method of preparing the same and a photovoltaic module. The multi-layered sheet in which a resin layer including a fluorine-based resin has excellent durability and weather resistance, and also exhibits strong interfacial adhesion to a substrate or polymer coating layer is provided. When a drying process is performed at a low temperature in preparation of the multi-layered sheet, production cost can be reduced, producibility can be increased, and degradation in the quality of a product caused by thermal deformation or thermal shock can be prevented. Such a multi-layered sheet may be effectively used as a backsheet for various photovoltaic cells.Type: GrantFiled: April 29, 2011Date of Patent: April 12, 2016Assignee: LG CHEM, LTD.Inventors: Hyun Cheol Kim, Hyun Seong Ko, Hyo Soon Park, Yoon Kyung Kwon, Do Won Ahn
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Publication number: 20160002502Abstract: Provided are a conductive laminate, a method of manufacturing the same, and an electronic device including the same. The conductive laminate may prevent bubbles from being generated from a pressure-sensitive adhesive layer during thermal treatment for crystallizing a conductive layer.Type: ApplicationFiled: September 29, 2014Publication date: January 7, 2016Inventors: Yoon Kyung KWON, Hyun Cheol KIM, Hyon Gyu PARK
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Publication number: 20150344747Abstract: Provided are a pressure sensitive adhesive composition, a conductive laminate protective film, and a conductive laminate. A cured product of the pressure sensitive adhesive composition according to the present application constitutes a pressure sensitive adhesive layer attached on a hard coating surface of a conductive laminate or the like, so that a surface of the conductive laminate or the like can be protected as well as that a peeling force can be maintained appropriately regardless of a peeling rate even after a heat treatment for sintering, and thus can be used for a protective film.Type: ApplicationFiled: November 17, 2014Publication date: December 3, 2015Inventors: Yong Su PARK, Hui Je LEE, Hyun Cheol KIM, Yoon Kyung KWON, Hyon Gyu PARK, Hak Lim KIM, Dae Hyuck LEE, Say Young JUNG