Patents by Inventor Jae Pil Koo
Jae Pil Koo 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: 12153239Abstract: The present disclosure provides a polarizing plate comprising: a polarizer; an optical laminate formed on one side of the polarizer and containing a polymer substrate and an antiglare layer; and a thermoplastic resin layer formed on the other side of the polarizer and containing a (meth)acrylate resin, and a liquid crystal panel and a display device including the polarizing plate.Type: GrantFiled: January 10, 2020Date of Patent: November 26, 2024Assignee: LG CHEM, LTD.Inventors: Min Soo Kim, Jaehoon Shim, Jung Hyun Seo, Jae Pil Koo, Joo Jong Moon, Jaeyoung Kim
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Publication number: 20240290934Abstract: A device for coating an electrode slurry for a secondary battery and a method of coating an electrode slurry, which include a slurry transfer pipe with a dual structure including first and second pipes so that a temperature of the electrode slurry temperature can be kept constant when the electrode slurry stored in a slurry tank is transferred to a slot die. Accordingly, the electrode slurry is uniformly applied to a current collector so that a defective rate in electrode manufacturing can be reduced.Type: ApplicationFiled: August 24, 2022Publication date: August 29, 2024Applicant: LG Energy Solution, Ltd.Inventors: Jae Pil Koo, Jae Huoung Son, Chang Bum Ahn, Jae Wook Lee
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Patent number: 11860340Abstract: The present disclosure provides an optical laminate including: a polymer substrate containing a polymer resin and rubber particles having a cross-sectional diameter of 10 to 500 nm dispersed in the polymer resin; and an antiglare layer containing a binder resin and organic fine particles, nano-inorganic particles and chain-shaped silica dispersed in the binder resin, wherein rubber particles having a cross-sectional diameter of 10 to 500 nm exist within 50% of the thickness of the antiglare layer from the interface between the polymer substrate and the antiglare layer, a polarizing plate including the optical laminate, and a liquid crystal display and a display device including the polarizing plate.Type: GrantFiled: January 8, 2020Date of Patent: January 2, 2024Assignee: LG CHEM, LTD.Inventors: Min Soo Kim, Jung Hyun Seo, Jaehoon Shim, Jae Pil Koo, Hyung Oh Lim, Jaeyoung Kim
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Publication number: 20230366623Abstract: The electrode drying device includes a transfer unit that transfers an electrode sheet having an electrode slurry coated onto the current collector, and a drying chamber including an inflow port where the electrode sheet transferred by the transfer unit enters, wherein an interrupting member for adjusting the flow amount or flow velocity of outside air flowing in a drying chamber is formed at the inflow port, and a height of a central part of the interrupting member is different from a height of a peripheral part of the interrupting member.Type: ApplicationFiled: January 18, 2022Publication date: November 16, 2023Applicant: LG Energy Solution, Ltd.Inventors: Jae Pil Koo, Jae Hyoung Son, Ha Yong Jeong, Taeyeon Kim
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Patent number: 11312874Abstract: The present invention relates to an antireflection film including a low refractive index layer and a hard coating layer, the low refractive index layer including: a binder resin containing a crosslinked polymer of a photopolymerizable compound and a polysilsesquioxane substituted with one or more reactive functional groups; and inorganic fine particles dispersed in the binder resin, wherein a 10-point average roughness (Rz) of the shape of irregularities on the surface of the low refractive index layer is 0.05 ?m to 0.2 ?m.Type: GrantFiled: March 9, 2017Date of Patent: April 26, 2022Assignee: LG CHEM, LTD.Inventors: Boo Kyung Kim, Yeong Rae Chang, Jae Hoon Shim, Jin Young Park, Jae Pil Koo
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Patent number: 11112599Abstract: The present invention relates to an antireflection film which includes a hard coating layer and a low refractive index layer formed on the hard coating layer, wherein a roughness skewness (Rsk) of the concavo-convex shape of the surface is greater than 0.5 and less than 5, and a slope angle of the concavo-convex shape of the surface is greater than 0.01 degree and less than 0.2 degree, and a display device comprising the antireflection film.Type: GrantFiled: February 10, 2017Date of Patent: September 7, 2021Assignee: LG Chem, Ltd.Inventors: Jung Hyun Seo, Yeong Rae Chang, Jae Hoon Shim, Jin Young Park, Jae Pil Koo, Boo Kyung Kim
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Publication number: 20210215851Abstract: The present disclosure provides an optical laminate including: a polymer substrate containing a polymer resin and rubber particles having a cross-sectional diameter of 10 to 500 nm dispersed in the polymer resin; and an antiglare layer containing a binder resin and organic fine particles, nano-inorganic particles and chain-shaped silica dispersed in the binder resin, wherein rubber particles having a cross-sectional diameter of 10 to 500 nm exist within 50% of the thickness of the antiglare layer from the interface between the polymer substrate and the antiglare layer, a polarizing plate including the optical laminate, and a liquid crystal display and a display device including the polarizing plate.Type: ApplicationFiled: January 8, 2020Publication date: July 15, 2021Applicant: LG CHEM, LTD.Inventors: Min Soo KIM, Jung Hyun SEO, Jaehoon SHIM, Jae Pil KOO, Hyung Oh LIM, Jaeyoung KIM
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Publication number: 20210173133Abstract: The present disclosure provides a polarizing plate comprising: a polarizer; an optical laminate formed on one side of the polarizer and containing a polymer substrate and an antiglare layer; and a thermoplastic resin layer formed on the other side of the polarizer and containing a (meth)acrylate resin, and a liquid crystal panel and a display device including the polarizing plate.Type: ApplicationFiled: January 10, 2020Publication date: June 10, 2021Applicant: LG CHEM, LTD.Inventors: Min Soo KIM, Jaehoon SHIM, Jung Hyun SEO, Jae Pil KOO, Joo Jong MOON, Jaeyoung KIM
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Patent number: 10711142Abstract: The present invention relates to an antireflection film which includes a hard coating layer and a low refractive index layer formed on the hard coating layer, wherein the sum of the volume of the convex portion of the peak equal to or higher than the average line is less than 0.03 mm3 in the surface area of 1.47 mm2, and the sum of the volume of the concave portion of the valley equal to or lower than the average line is less than 0.03 mm3 in the surface area of 1.47 mm2, and a display device comprising the antireflection film.Type: GrantFiled: February 10, 2017Date of Patent: July 14, 2020Assignee: LG CHEM, LTD.Inventors: Jung Hyun Seo, Boo Kyung Kim, Yeong Rae Chang, Jae Hoon Shim, Jin Young Park, Jae Pil Koo
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Patent number: 10690810Abstract: The present invention relates to an antireflection film comprising a hard coating layer in which a ten-point average roughness (Rz) of the surface irregularities is 0.05 ?m to 0.2 ?m and an internal haze is 0.5% to 5%; and a low refractive index layer formed on the hard coating layer, and a display device comprising the antireflection film.Type: GrantFiled: September 12, 2016Date of Patent: June 23, 2020Assignee: LG CHEM LTD.Inventors: Yeong Rae Chang, Jae Hoon Shim, Jung Hyun Seo, Jin Young Park, Soo Kyoung Lee, Jae Pil Koo, Tae Soon Kim, Min Soo Kim, Kyung Ki Hong, Joo Jong Moon, Hye Min Lee
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Publication number: 20190004214Abstract: The present invention relates to an antireflection film including a low refractive index layer and a hard coating layer, the low refractive index layer including: a binder resin containing a crosslinked polymer of a photopolymerizable compound and a polysilsesquioxane substituted with one or more reactive functional groups; and inorganic fine particles dispersed in the binder resin, wherein a 10-point average roughness (Rz) of the shape of irregularities on the surface of the low refractive index layer is 0.05 ?m to 0.2 ?m.Type: ApplicationFiled: March 9, 2017Publication date: January 3, 2019Applicant: LG CHEM, LTD.Inventors: Boo Kyung KIM, Yeong Rae CHANG, Jae Hoon SHIM, Jin Young PARK, Jae Pil KOO
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Publication number: 20180313978Abstract: The present invention relates to an antireflection film comprising a hard coating layer in which a ten-point average roughness (Rz) of the surface irregularities is 0.05 ?m to 0.2 ?m and an internal haze is 0.5% to 5%; and a low refractive index layer formed on the hard coating layer, and a display device comprising the antireflection film.Type: ApplicationFiled: September 12, 2016Publication date: November 1, 2018Inventors: Yeong Rae CHANG, Jae Hoon SHIM, Jung Hyun SEO, Jin Young PARK, Soo Kyoung LEE, Jae Pil KOO, Tae Soon KIM, Min Soo KIM, Kyung Ki HONG, Joo Jong MOON, Hye Min LEE
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Publication number: 20180223113Abstract: The present invention relates to an antireflection film which includes a hard coating layer and a low refractive index layer formed on the hard coating layer, wherein a roughness skewness (Rsk) of the concavo-convex shape of the surface is greater than 0.5 and less than 5, and a slope angle of the concavo-convex shape of the surface is greater than 0.01 degree and less than 0.2 degree, and a display device comprising the antireflection film.Type: ApplicationFiled: February 10, 2017Publication date: August 9, 2018Inventors: Jung Hyun SEO, Yeong Rae CHANG, Jae Hoon SHIM, Jin Young PARK, Jae Pil KOO, Boo Kyung KIM
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Publication number: 20180179395Abstract: The present invention relates to an antireflection film which includes a hard coating layer and a low refractive index layer formed on the hard coating layer, wherein the sum of the volume of the convex portion of the peak equal to or higher than the average line is less than 0.03 mm3 in the surface area of 1.47 mm2, and the sum of the volume of the concave portion of the valley equal to or lower than the average line is less than 0.03 mm3 in the surface area of 1.47 mm2, and a display device comprising the antireflection film.Type: ApplicationFiled: February 10, 2017Publication date: June 28, 2018Inventors: Jung Hyun SEO, Boo Kyung KIM, Yeong Rae CHANG, Jae Hoon SHIM, Jin Young PARK, Jae Pil KOO
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Patent number: 9738809Abstract: The present invention relates to a coating layer for an anti-glare film that can prevent glaring by reflection of external light on a surface of a display and an anti-glare film comprising the same. The coating layer for an anti-glare film according to an exemplary embodiment of the present invention comprises a binder resin, organic particulates, and inorganic particulates, and differences differences between refractive indexes of the binder resin and the organic particulates and between refractive indexes of the binder resin and inorganic particulates are each 0.3 or less. The coating layer for an anti-glare film according to an exemplary embodiment of the present invention can provide an anti-glare film having excellent anti-glare property, distinctness-of-image, and contrast, such that the coating layer can be applied to a display having high resolution, and has excellent scratch resistance in terms of a coating thickness of a thin film, such that it is easy to enlarge a polarizing plate.Type: GrantFiled: February 17, 2011Date of Patent: August 22, 2017Assignee: LG CHEM, LTD.Inventors: Jae-Hoon Shim, Joon-Koo Kang, Jae-Pil Koo, Yeong-Rae Chang
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Patent number: 9482789Abstract: The present invention relates to an anti-reflective coating film. This anti-reflective coating film shows more improved interface adhesion and scratch resistance, which can be manufactured by a simple process.Type: GrantFiled: March 15, 2013Date of Patent: November 1, 2016Assignee: LG CHEM, LTD.Inventors: Heon Kim, Yeong-Rae Chang, Joon-Koo Kang, Jae-Pil Koo
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Patent number: 9051474Abstract: An exemplary embodiment of the present invention relates to an anti-glare coating composition and anti-glare coating film having excellent abrasion resistance and contamination resistance. The anti-glare coating composition according to the exemplary embodiment of the present invention comprises a) a binder resin; b) a fluorine-based UV curable functional group-containing compound; c) a photoinitiator; d) a surface curable photoinitiator; and e) a particulate of which a surface has an uneven pattern. In the case where a film is formed by using the anti-glare coating composition according to the exemplary embodiment of the present invention, it is possible to provide both abrasion resistance and contamination resistance by a single coating method, to maintain characteristics of abrasion resistance and contamination resistance when the film is rubbed, and to decrease and easily remove contamination by an oil component, such as a fingerprint mark.Type: GrantFiled: July 13, 2011Date of Patent: June 9, 2015Assignee: LG CHEM, LTD.Inventors: Soon Hwa Jung, Sung Su Kim, Young Jun Hong, Kyungki Hong, Yeongrae Chang, Soo Kyoung Lee, Joon Koo Kang, Sang Hyuk Im, Jae Pil Koo, Eun Sang Yoo
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Patent number: 8940805Abstract: The present invention relates to an anti-glare coating composition for preparation of anti-glare films having good anti-fingerprint properties as well as improved contrast ratio and image definition. More specifically, the coating composition comprises organic or inorganic particles, a photocurable resin, a photoinitiator, and a compound including an olefin oxide repeating unit.Type: GrantFiled: January 14, 2014Date of Patent: January 27, 2015Assignee: LG Chem, Ltd.Inventors: Jae-Hoon Shim, Seung-Jung Lee, Yeong Rae Chang, Jae-Pil Koo
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Patent number: 8814370Abstract: The present invention relates to an anti-reflective coating composition that can be used to form at least two layers by a single coating process and is allowed to provide an anti-reflective coating film having more improved interface adhesion between the formed layers and scratch resistance, and an anti-reflective coating film manufactured using the same.Type: GrantFiled: March 15, 2013Date of Patent: August 26, 2014Assignee: LG Chem, Ltd.Inventors: Heon Kim, Yeong-Rae Chang, Joon-Koo Kang, Jae-Pil Koo
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Patent number: 8795825Abstract: The present invention relates to an anti-reflective coating film. This anti-reflective coating film shows more improved interface adhesion and scratch resistance, which can be manufactured by a simple process.Type: GrantFiled: March 15, 2013Date of Patent: August 5, 2014Assignee: LG Chem, Ltd.Inventors: Heon Kim, Yeong-Rae Chang, Joon-Koo Kang, Jae-Pil Koo