Patents by Inventor Sung-Soo Yoon
Sung-Soo Yoon 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: 20170342180Abstract: The present application relates to a polymer, a method for preparing the same, and a use thereof. The present application provides a polymer, a method for preparing the same, and a use thereof. The present application can provide: a polymer, which has a composition for allowing a low solubility in polar and non-polar solvents and can be prepared in a simple polymerization manner, such as solution polymerization; and a use thereof.Type: ApplicationFiled: December 15, 2015Publication date: November 30, 2017Applicant: LG Chem, Ltd.Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Kyong Seob Kim, Khee Hwan Choi, Hae Seok Chae
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Publication number: 20170342179Abstract: The present application relates to a polymer and a use thereof. The present application may provide a functional polymer which expresses a low solubility to a polar solvent and a non-polar solvent and which is suitable for forming a film. If applied to the use of cosmetics such as mascara or to medical uses, the polymer in the present application may express a tolerance to diverse solvents such as sebum, sweat, tears and the like, and thus enables makeup to last, etc. Accordingly, the polymer may be applied to diverse uses and used in film forming agents, cosmetic compositions, or cosmetics, or the like.Type: ApplicationFiled: December 15, 2015Publication date: November 30, 2017Applicant: LG Chem, Ltd.Inventors: Su Jeong Kim, Jeong Ae Yoon, Sung Soo Yoon, Kyong Seob Kim, Khee Hwan Choi, Hae Seok Chae
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Publication number: 20170327614Abstract: The present application relates to a polymer and a use thereof. The present application may provide a functional polymer which expresses a low solubility to a polar solvent and a non-polar solvent and which is suitable for forming a film. If applied to the use of cosmetics such as mascara or to medical uses, the polymer in the present application may express a tolerance to diverse solvents such as sebum, sweat, tears and the like, and thus enables makeup to last, etc. Accordingly, the polymer may be applied to diverse uses and used in film forming agents, cosmetic compositions, or cosmetics, or the like.Type: ApplicationFiled: December 15, 2015Publication date: November 16, 2017Applicant: LG Chem, Ltd.Inventors: Su Jeong Kim, Jeong Ae Yoon, Sung Soo Yoon, Kyong Seob Kim, Khee Hwan Choi, Hae Seok Chae
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Patent number: 9816016Abstract: The present invention relates to a pressure-sensitive adhesive composition, a polarizing plate and a liquid crystal display. In the present invention, provided is a pressure-sensitive adhesive which can effectively prevent the light leakage resulting from dimensional changes of the polarizing plate, and the like, and exhibit excellent endurance reliability even when it is used or stored for a long time. Further, in the present invention, provided is the pressure-sensitive adhesive composition or the pressure-sensitive adhesive which can exhibit excellent physical properties, such as removability, workability, and the like.Type: GrantFiled: June 7, 2011Date of Patent: November 14, 2017Assignee: LG CHEM, LTD.Inventors: Sung Soo Yoon, No-Ma Kim, In Ho Hwang, Jeong Min Ha, In Kyu Park, Min Ki Lee
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Publication number: 20170313869Abstract: The present application relates to a block copolymer and its use. The present application can provides a block copolymer that has an excellent self assembling property or phase separation property and therefore can be used in various applications and its use.Type: ApplicationFiled: September 30, 2015Publication date: November 2, 2017Applicant: LG Chem, Ltd.Inventors: Jeong Kyu Lee, Sung Joon Oh, Yeon Joo Kang, Jung Keun Kim, In Young Song, Sung Soo Yoon
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Publication number: 20170306139Abstract: The present application relates to a block copolymer and uses thereof. The present application can provide a block copolymer—which exhibits an excellent self-assembling property and thus can be used effectively in a variety of applications—and uses thereof.Type: ApplicationFiled: September 30, 2015Publication date: October 26, 2017Applicant: LG Chem, Ltd.Inventors: Jung Keun Kim, Je Gwon Lee, Jeong Kyu Lee, Se Jin Ku, No Jin Park, Mi Sook Lee, Eun Young Choi, Sung Soo Yoon, Hyung Ju Ryu
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Publication number: 20170306074Abstract: The present application relates to a block copolymer and its use. The present application can provides a block copolymer that has an excellent self assembling property or phase separation property and therefore can be used in various applications and its use.Type: ApplicationFiled: September 30, 2015Publication date: October 26, 2017Applicant: LG Chem, Ltd.Inventors: Jeong Kyu Lee, Je Gwon Lee, In Young Song, Sung Joon Oh, Yeon Joo Kang, Sung Soo Yoon, Jung Keun Kim
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Patent number: 9798184Abstract: A pressure-sensitive adhesive composition is provided. The pressure-sensitive adhesive composition shows stable antistatic performance, and in particular, stably maintains its antistatic performance even when the pressure-sensitive adhesive composition is kept for an extended time under extreme conditions or conditions in which environmental changes are severe, and also has excellent general physical properties such as pressure-sensitive adhesive properties, durability and workability.Type: GrantFiled: September 18, 2013Date of Patent: October 24, 2017Assignee: LG CHEM, LTD.Inventors: Sung Soo Yoon, No Ma Kim, Kee Young Kim, Min Ki Lee, Han Na Chi
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Patent number: 9798056Abstract: The present application is relates to a pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition of the present application may form a pressure-sensitive adhesive having excellent durability and reliability, stress relaxation and reworkability. In addition, when the pressure-sensitive adhesive composition is used collaterally, for example, a coating process may be efficiently performed even when a coating solid content is high, thereby maintaining excellent productivity and forming a pressure-sensitive adhesive having excellent uniformity in thickness. The pressure-sensitive adhesive composition may be used for an optical film such as a polarizing plate.Type: GrantFiled: May 6, 2014Date of Patent: October 24, 2017Assignee: LG Chem, Ltd.Inventors: Min Ki Lee, No Ma Hoon Kim, Sung Soo Yoon, Su Jeong Kim
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Patent number: 9798185Abstract: The invention relates to an acrylic adhesive composition, more particularly, to an adhesive composition which: specifies the contents of a (meth)acrylic ester-based monomer and an aromatic group-containing monomer of an acrylic copolymer as a composition having little or no difference of birefringence; has excellent durability; and can reduce light leakage due to flexure by mixing a crosslinkable functional group-containing acrylic copolymer (A) and an acrylic copolymer (B) which does not contain the crosslinkable functional group, in a ratio of 1:9 to 5:5.Type: GrantFiled: November 7, 2013Date of Patent: October 24, 2017Assignee: LG Chem, Ltd.Inventors: Se Ra Kim, Kee Young Kim, Sung Soo Yoon, Min Ki Lee, No Ma Kim, In Cheon Han
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Patent number: 9791608Abstract: The present invention relates to a polarizing plate and a liquid crystal display device. In the present invention, the polarizing plate is lightweight and has a small thickness and excellent properties including durability, water resistance, workability, pressure-sensitive adhesion and light leakage prevention ability; and the liquid crystal display device including the same are provided.Type: GrantFiled: February 28, 2011Date of Patent: October 17, 2017Assignee: LG Chem, Ltd.Inventors: In Ho Hwang, Ki Ok Kwon, No Ma Kim, Sung Hyun Nam, In Kyu Park, Sung Soo Yoon, Kyun Il Rah, Min Ki Lee
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Publication number: 20170283666Abstract: A pressure-sensitive adhesive composition, which may have excellent durability under high temperature or humidity conditions and exhibit high close adhesion to optical films, thereby forming a pressure-sensitive adhesive having superior cuttability and re-workability, is provided. Also, a pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive capable of effectively inhibiting bending when applied to a thin substrate such as a very thin glass substrate, minimizing a time required to stabilize physical properties, and preventing a degradation of the secured physical properties in time, a pressure-sensitive adhesive optical member formed using such a pressure-sensitive adhesive composition, an optical laminate, and a display device are provided.Type: ApplicationFiled: December 16, 2015Publication date: October 5, 2017Applicant: LG Chem, Ltd.Inventors: Kee Young Kim, Il Jin Kim, Jeong Ae Yoon, Sung Soo Yoon, Su Jeong Kim, Sang Hyun Hong
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Patent number: 9777194Abstract: The present invention relates to a pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition of the present invention can provide a pressure-sensitive adhesive having low time-dependency of dependability and adhesion strength and having excellent interfacial adhesion strength. After being applied to an optical member such as a polarizing plate, the pressure-sensitive adhesive composition exhibits excellent interfacial adhesion strength and maintains excellent dependability without time-dependency.Type: GrantFiled: January 7, 2015Date of Patent: October 3, 2017Assignee: LG Chem, Ltd.Inventors: Min Ki Lee, No Ma Kim, Sung Soo Yoon, Han Na Chi, Su Jeong Kim
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Publication number: 20170275398Abstract: The present application relates to a polymer and a use thereof. The present application may provide a functional polymer which expresses a low solubility to a polar solvent and a non-polar solvent. If applied to the use of cosmetics such as mascara or to medical uses, the polymer in the present application may express a tolerance to diverse solvents such as sebum, sweat, tears and the like, and thus enables makeup to last, etc. Accordingly, the polymer may be applied to diverse uses and used in film forming agents, cosmetic compositions, or cosmetics, or the like.Type: ApplicationFiled: December 15, 2015Publication date: September 28, 2017Applicant: LG Chem, Ltd.Inventors: Su Jeong Kim, Jeong Ae Yoon, Sung Soo Yoon, Kyong Seob Kim, Khee Hwan Choi, Hae Seok Chae
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Publication number: 20170260423Abstract: The present invention relates to a pressure-sensitive adhesive composition, a protective film, an optical element, and a display device. A pressure-sensitive adhesive sheet formed using the pressure-sensitive adhesive composition according to the present invention can have proper high-speed and low-speed peel strengths and simultaneously can exhibit an excellent balance between the high-speed and low-speed peel strengths. The pressure-sensitive adhesive sheet formed using the pressure-sensitive adhesive composition according to one exemplary embodiment of the present invention exhibits a proper level of surface resistance and excellent electrostatic discharge characteristics, and has no contaminants with respect to an adherend even when the pressure-sensitive adhesive sheet is peeled from the adherend after the pressure-sensitive adhesive sheet is attached to the adherend for a long period of time.Type: ApplicationFiled: August 3, 2015Publication date: September 14, 2017Applicant: LG Chem, Ltd.Inventors: Sang Ha Son, Sung Soo Yoon, Kee Young Kim, Jeong Sik Bae
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Publication number: 20170247492Abstract: The present application relates to a block copolymer and uses thereof. The present application can provide a block copolymer—which exhibits an excellent self-assembling property and thus can be used effectively in a variety of applications—and uses thereof.Type: ApplicationFiled: September 30, 2015Publication date: August 31, 2017Applicant: LG Chem, Ltd.Inventors: Eun Young CHOI, No Jin PARK, Jung Keun KIM, Je Gwon LEE, Se Jin KU, Mi Sook LEE, Hyung Ju RYU, Sung Soo YOON
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Patent number: 9745494Abstract: A pressure-sensitive adhesive composition for an optical film, a method of preparing a pressure-sensitive adhesive for an optical film, a polarizing plate and a liquid crystal display are provided. The pressure-sensitive adhesive composition may be effectively coated even when a coating solid content is controlled to be high. Therefore, productivity in formation of a pressure-sensitive adhesive or manufacture of an optical film such as a polarizing plate may be significantly increased, and excellent durability and reliability and re-workability may be exhibited after the pressure-sensitive adhesive is prepared.Type: GrantFiled: September 19, 2013Date of Patent: August 29, 2017Assignee: LG CHEM, LTD.Inventors: No Ma Kim, In Ho Hwang, In Kyu Park, Sung Soo Yoon, Min Ki Lee
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Publication number: 20170240504Abstract: According to one embodiment of the present invention, an azo polymer forms a complex with a lithium ion and a sodium ion among alkali metal ions, but does not form a complex with a potassium ion. Therefore, the azo polymer is expected to be utilized as a material for a sensor capable of selectively detecting a specific alkali metal ion, or as a novel material capable of selectively trapping a specific alkali metal ion from a solution in which metal ions are mixed.Type: ApplicationFiled: December 2, 2015Publication date: August 24, 2017Applicants: LG Chem, Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Yang Kyoo Han, In-Joon Byun, Sung Soo Yoon, Je Gwon Lee
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Patent number: 9738819Abstract: Provided are a pressure-sensitive adhesive composition, an optical member, a polarizing plate and a display device. The pressure-sensitive adhesive composition having physical properties required for an optical member using a particular block copolymer and an antioxidant or a photostabilizer, which forms a fine phase change region in a crosslinking structure, and particularly having excellent bending preventability and storage stability may be provided. Such a pressure-sensitive adhesive composition may be used for optical uses, for example, to laminate various optical members, or apply an optical member to a display device.Type: GrantFiled: December 8, 2014Date of Patent: August 22, 2017Assignee: LG Chem, Ltd.Inventors: Han Na Chi, No Ma Kim, Jeong Ae Yoon, Sung Soo Yoon, Min Ki Lee
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Publication number: 20170226260Abstract: The present application provides a block copolymer and uses thereof. The block copolymer of the present application exhibits an excellent self-assembling property or phase separation property, can be provided with a variety of required functions without constraint and, especially, etching selectivity can be secured, making the block copolymer effectively applicable to such uses as pattern formation.Type: ApplicationFiled: September 30, 2015Publication date: August 10, 2017Applicant: LG Chem, Ltd.Inventors: Mi Sook Lee, Jung Keun Kim, Se Jin Ku, No Jin Park, Je Gwon Lee, Eun Young Choi, Sung Soo Yoon, Hyung Ju Ryu