Patents by Inventor Boong Goon Jeong
Boong Goon Jeong 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: 10038110Abstract: Provided are a solar cell backsheet including a substrate layer and a blended resin layer including a fluorine-based resin and a (meth)acrylic-based copolymer resin including a (meth)acrylic-based monomer and a maleimide-based monomer formed on at least one surface of the substrate layer, a method of manufacturing the solar cell backsheet, and a solar cell including the solar cell backsheet. Since using the solar cell backsheet provided here can lower a temperature in a solar cell, and improved heat-resistance, weather-resistance, etc. of the solar cell are achieved.Type: GrantFiled: February 2, 2010Date of Patent: July 31, 2018Assignee: LG CHEM, LTD.Inventors: Boong-Goon Jeong, Dong-Ryul Kim, Myeong-Geun Ko
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Patent number: 9796822Abstract: The present invention relates to an optical film that comprises a block copolymer that comprises a vinyl polymer block containing styrene or a derivative thereof, and a poly-dimethylsiloxane block, a retardation film using the same, a method of manufacturing them, and a liquid crystal display comprising the films.Type: GrantFiled: April 14, 2008Date of Patent: October 24, 2017Assignee: LG CHEM, LTD.Inventors: Hee-Jung Kim, Dong-Ryul Kim, Young-Whan Park, Dae-Woo Nam, Boong-Goon Jeong
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Patent number: 9334406Abstract: The present invention relates to a primer coating composition, an optical film including the same, and a polarizing plate including the same, the primer coating composition according to the present invention includes 1) a polyvinyl alcohol compound including the acetoacetyl group; 2) an acrylate compound that includes at least two vinyl groups; and 3) a basic catalyst, and an optical film that includes a primer layer formed from the primer coating composition has excellent transparency, optical property, mechanical strength, and attaching property to the polyvinyl alcohol polarizer.Type: GrantFiled: February 24, 2010Date of Patent: May 10, 2016Assignee: LG Chem, Ltd.Inventors: Hee-Jung Kim, Dong-Ryul Kim, Boong-Goon Jeong
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Patent number: 9315639Abstract: The present invention relates to an optical film that includes a graft copolymer that includes two types or more of (meth)acryl based resins that have different glass transition temperatures, a retardation film, a method of producing the same, and a polarizing plate and a liquid crystal display device that include the optical film or the retardation film.Type: GrantFiled: June 12, 2008Date of Patent: April 19, 2016Assignee: LG CHEM, LTD.Inventors: Hee-Jung Kim, Dong-Ryul Kim, Boong-Goon Jeong, Ju-Eun Cha, Young-Whan Park, Dae-Woo Nam
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Patent number: 9250358Abstract: Provided are an adhesive for a polarizing plate and a polarizing plate comprising the same, and more particularly, an adhesive composition for a polarizing plate comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator, as well as a polarizing plate comprising a polarizer, a polymer film adhered to one side or both sides of the polarizer, and an adhesive layer for bonding the polarizer and the polymer film, in which the adhesive layer is formed of an adhesive composition comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator.Type: GrantFiled: June 23, 2014Date of Patent: February 2, 2016Assignee: LG Chem, Ltd.Inventors: Sae-Han Cho, Eun-Mi Seo, Boong-Goon Jeong, Kyun-Il Rah, Nam-Jeong Lee
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Patent number: 9168694Abstract: The present invention relates to a transparent resin composition which comprises (a) a (meth)acrylate based resin comprising one or more (meth)acrylate based derivatives; and (b) an aromatic based resin having a chain having the hydroxy group containing portion and an aromatic moiety.Type: GrantFiled: July 15, 2013Date of Patent: October 27, 2015Assignee: LG Chem, Ltd.Inventors: Dong-Ryul Kim, Boong-Goon Jeong, Dae-Woo Nam, Myeong-Geun Ko
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Patent number: 9040115Abstract: Disclosed is a negative C-type retardation compensator for a liquid crystal display. The negative C-type retardation compensator for the liquid crystal display includes polyarlate having a thio group or a sulfur oxide group in a polymer main chain thereof. Accordingly, the retardation compensator has an absolute value of negative retardation that is larger in a thickness direction that a retardation compensator which includes polyarylate having no thio group or sulfur oxide group in a polymer main chain thereof even though the retardation compensator having the thio group or sulfur oxide group and the retardation compensator having no thio group or sulfur oxide group are the same as each other in thickness. Thereby, the negative C-type retardation compensator for liquid crystal displays is capable of being desirably applied to the liquid crystal displays.Type: GrantFiled: May 21, 2013Date of Patent: May 26, 2015Assignees: LG Chem, Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang UniversityInventors: Hee-Jung Kim, Dong-Ryul Kim, Ho-Jun Lee, Sang-Uk Ryu, Hyo-Sun Lee, Boong-Goon Jeong, Dae-Woo Nam, Ju-Eun Cha
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Publication number: 20140302328Abstract: Provided are an adhesive for a polarizing plate and a polarizing plate comprising the same, and more particularly, an adhesive composition for a polarizing plate comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator, as well as a polarizing plate comprising a polarizer, a polymer film adhered to one side or both sides of the polarizer, and an adhesive layer for bonding the polarizer and the polymer film, in which the adhesive layer is formed of an adhesive composition comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator.Type: ApplicationFiled: June 23, 2014Publication date: October 9, 2014Inventors: Sae-Han CHO, Eun-Mi SEO, Boong-Goon JEONG, Kyun-Il RAH, Nam-Jeong LEE
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Patent number: 8728583Abstract: The present invention provides a composite material comprising a glass cloth; and an organic-inorganic hybrid composition comprising diphenylsilanediol and alkoxy silane, a composite film manufactured by using the same, and a method for manufacturing the composite film.Type: GrantFiled: February 15, 2013Date of Patent: May 20, 2014Assignee: LG Chem, Ltd.Inventors: Dong-Ryul Kim, Hee-Jung Kim, Sang-Uk Ryu, Jang-Yeon Hwang, Seung-Lac Ma, Myeong-Geun Ko, Gi-Cheul Kim, Boong-Goon Jeong, Ho-Jun Lee, Ju-Eun Cha
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Publication number: 20140024782Abstract: The present invention relates to a transparent resin composition which comprises (a) a (meth)acrylate based resin comprising one or more (meth)acrylate based derivatives; and (b) an aromatic based resin having a chain having the hydroxy group containing portion and an aromatic moiety.Type: ApplicationFiled: July 15, 2013Publication date: January 23, 2014Applicant: LG Chem, Ltd.Inventors: Dong-Ryul Kim, Boong-Goon Jeong, Dae-Woo Nam, Myeong-Geun Ko
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Publication number: 20130260059Abstract: Disclosed is a negative C-type retardation compensator for a liquid crystal display. The negative C-type retardation compensator for the liquid crystal display includes polyarlate having a thio group or a sulfur oxide group in a polymer main chain thereof Accordingly, the retardation compensator has an absolute value of negative retardation that is larger in a thickness direction that a retardation compensator which includes polyarylate having no thio group or sulfur oxide group in a polymer main chain thereof even though the retardation compensator having the thio group or sulfur oxide group and the retardation compensator having no thio group or sulfur oxide group are the same as each other in thickness. Thereby, the negative C-type retardation compensator for liquid crystal displays is capable of being desirably applied to the liquid crystal displays.Type: ApplicationFiled: May 21, 2013Publication date: October 3, 2013Applicant: LG CHEM, LTD.Inventors: HEE-JUNG KIM, DONG-RYUL KIM, HO-JUN LEE, SANG-UK RYU, HYO-SUN LEE, BOONG-GOON JEONG, DAE-WOO NAM, JU-EUN CHA
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Publication number: 20130244041Abstract: Provided are an adhesive for a polarizing plate and a polarizing plate comprising the same, and more particularly, an adhesive composition for a polarizing plate comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator, as well as a polarizing plate comprising a polarizer, a polymer film adhered to one side or both sides of the polarizer, and an adhesive layer for bonding the polarizer and the polymer film, in which the adhesive layer is formed of an adhesive composition comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator.Type: ApplicationFiled: September 20, 2011Publication date: September 19, 2013Applicant: LG CHEM. LTD.Inventors: Sae-Han Cho, Eun-Mi Seo, Boong-Goon Jeong, Kyun-Il Rah, Nam-Jeong Lee
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Patent number: 8513358Abstract: The present invention relates to a transparent resin composition which comprises (a) a (meth)acrylate based resin comprising one or more (meth)acrylate based derivatives; and (b) an aromatic based resin having a chain having the hydroxy group containing portion and an aromatic moiety.Type: GrantFiled: January 7, 2009Date of Patent: August 20, 2013Assignee: LG Chem, Ltd.Inventors: Dong-Ryul Kim, Boong-Goon Jeong, Dae-Woo Nam, Myeong-Geun Ko
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Patent number: 8512825Abstract: The present invention relates to an optical film that comprises an aromatic based resin comprising a chain having the hydroxy group containing portion and aromatic moiety and a polarizing plate and an information electronic device that include the same. The in-plane retardation Rin is in the range of 30 to 600 nm and the thickness retardation Rth is in the range of 30 to 400 nm.Type: GrantFiled: January 7, 2009Date of Patent: August 20, 2013Assignee: LG Chem, Ltd.Inventors: Dong-Ryul Kim, Boong-Goon Jeong, Dae-Woo Nam, Myeong-Geun Ko, Min-Hee Lee, Jun-Geun Um
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Patent number: 8470413Abstract: Disclosed is a negative C-type retardation compensator for a liquid crystal display. The negative C-type retardation compensator for the liquid crystal display includes polyarylate having a thio group or a sulfur oxide group in a polymer main chain thereof. Accordingly, the retardation compensator has an absolute value of negative retardation that is larger in a thickness direction than a retardation compensator which includes polyarylate having no thio group or sulfur oxide group in a polymer main chain thereof even though the retardation compensator having the thio group or sulfur oxide group and the retardation compensator having no thio group or sulfur oxide group are the same as each other in thickness. Thereby, the negative C-type retardation compensator for liquid crystal displays is capable of being desirably applied to the liquid crystal displays.Type: GrantFiled: January 11, 2007Date of Patent: June 25, 2013Assignee: LG Chem, Ltd.Inventors: Hee-Jung Kim, Dong-Ryul Kim, Ho-Jun Lee, Sang-Uk Ryu, Hyo-Sun Lee, Boong-Goon Jeong, Dae-Woo Nam, Ju-Eun Cha
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Patent number: 8445108Abstract: The present invention provides a composite material comprising a glass cloth; and an organic-inorganic hybrid composition comprising diphenylsilanediol and alkoxy si lane, a composite film manufactured by using the same, and a method for manufacturing the composite film.Type: GrantFiled: October 17, 2008Date of Patent: May 21, 2013Assignee: LG Chem, Ltd.Inventors: Gi-Cheul Kim, Dong-Ryul Kim, Hee-Jung Kim, Jang-Yeon Hwang, Seung-Lac Ma, Boong-Goon Jeong, Sang-Uk Ryu, Ju-Eun Cha, Myeong-Geun Ko, Eun-Sil Lee
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Patent number: 8293841Abstract: The present invention relates to an optical film in which a photoelasticity coefficient is easily controlled according to the content of an aromatic based resin having a chain having the hydroxy group containing portion and aromatic moiety, a method for manufacturing the same, and an information electronic device comprising the optical film.Type: GrantFiled: January 7, 2009Date of Patent: October 23, 2012Assignee: LG Chem, Ltd.Inventors: Dong-Ryul Kim, Boong-Goon Jeong, Dae-Woo Nam, Myeong-Geun Ko
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Publication number: 20120252969Abstract: The present invention relates to a polyarylate prepared by a method comprising a step of copolymerizing divalent phenol, divalent aromatic carboxylic acid halide and the allyl bisphenol derivative. The polyarylate according to the invention is a novel polyarylate in which various functional groups can be introduced to the main chain of the polymer as well as the terminal of a polymer, and the concentration thereof can be adjusted. These functional groups allow improvement in the adhesion force by chemically bonding with the substrate or protective layer when coated, thus the polyarylate is suitably used for a film or a coating composition.Type: ApplicationFiled: April 5, 2012Publication date: October 4, 2012Inventors: Hyo Sun Lee, Dong Ryul Kim, Hee Jung Kim, Dae Woo Nam, Sang Uk Ryu, Boong Goon Jeong, Ju Eun Cha
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Publication number: 20110297221Abstract: Provided are a solar cell backsheet including a substrate layer and a blended resin layer including a fluorine-based resin and a (meth)acrylic-based copolymer resin including a (meth)acrylic-based monomer and a maleimide-based monomer formed on at least one surface of the substrate layer, a method of manufacturing the solar cell backsheet, and a solar cell including the solar cell backsheet. Since using the solar cell backsheet provided here can lower a temperature in a solar cell, and improved heat-resistance, weather-resistance, etc. of the solar cell are achieved.Type: ApplicationFiled: February 2, 2010Publication date: December 8, 2011Applicant: LG Chem, LTD.Inventors: Boong-Goon Jeong, Dong-Ryul Kim, Myeong-Geun Ko
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Publication number: 20110052890Abstract: The present invention provides a composite material comprising a glass cloth; and an organic- inorganic hybrid composition comprising diphenylsilanediol and alkoxy si lane, a composite film manufactured by using the same, and a method for manufacturing the composite film.Type: ApplicationFiled: October 17, 2008Publication date: March 3, 2011Inventors: Gi-Cheul Kim, Dong-Ryul Kim, Hee-Jung Kim, Jang-Yeon Hwang, Seung-Lac Ma, Boong-Goon Jeong, Sang-Uk Ryu, Ho-Jun Lee, Ju-Eun Cha, Myeon-Geun Ko