Patents by Inventor Jeong Ae Yoon
Jeong Ae 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: 20170110733Abstract: The present application relates to a cathode, a method of manufacturing the same, and a battery including the same. The present application may provide a cathode and a method of manufacturing the same, wherein the cathode comprises an active material layer that contains an acrylic polymer and exhibits excellent resistance to an electrolyte, excellent dispersion of its components and great adhesion to a current collector.Type: ApplicationFiled: July 9, 2015Publication date: April 20, 2017Applicant: LG Chem, Ltd.Inventors: Jeong Ae Yoon, Han Na Chi, Sung Soo Yoon, Su Jee Kwon
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Publication number: 20160280966Abstract: Provided are a pressure-sensitive adhesive optical film, a crosslinkable composition, and a display device. A pressure-sensitive adhesive layer using a polymer component exhibiting excellent crosslinking efficiency even at a low molecular weight to exhibit excellent workability, durability and dimension stability, and the optical film to which such a pressure-sensitive adhesive layer is applied may be provided.Type: ApplicationFiled: December 18, 2014Publication date: September 29, 2016Applicant: LG Chem, Ltd.Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Min Ki Lee, Sang Hyun Hong
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Publication number: 20160230054Abstract: The present invention relates to a pressure-sensitive adhesive composition, an optical member, a polarizing plate, and a display device. The pressure-sensitive adhesive composition according to an embodiment of the present invention may form a pressure-sensitive adhesive which has excellent general physical properties such as coating properties, endurance reliability, or the like, and which may stably maintain the physical properties for the long term. Further, the pressure-sensitive adhesive composition may be particularly applied to various optical films, thereby forming the pressure-sensitive adhesive layer which exhibits excellent adhesion with the optical film, and when the pressure-sensitive adhesive composition is applied to the polarizing plate, bending properties may be effectively prevented.Type: ApplicationFiled: November 26, 2014Publication date: August 11, 2016Applicant: LG Chem, Ltd.Inventors: Min Ki Lee, Sung Soo Yoon, Su Jeong Kim, Sang Hyun Hong, Jeong Ae Yoon, Han Na Chi
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Patent number: 9410005Abstract: Provided is a polymer, a composition and film comprising the polymer, and a preparation method of the polymer. The polymer includes a compound having a hydrophobic property at its terminal, and thus a film capable of having a hydrophobic surface can be provided at the same time when the film is formed without a separate surface treatment. Further, an effect capable of permanently hydrophobically modifying a film surface is obtained at a low cost and a composition that does not occur a phase separation phenomenon in a polymer solution state is provided. For example, the film is used as a water repellent coating film, an anti-contamination film, or the like.Type: GrantFiled: November 26, 2014Date of Patent: August 9, 2016Assignee: LG Chem, Ltd.Inventors: Jeong Ae Yoon, No Ma Kim, Su Jeong Kim, In Ho Hwang
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Publication number: 20160208039Abstract: A block copolymer, a method for preparing a block copolymer, a resin composition, and a film are provided. The block copolymer can be useful in inhibiting complete separation of the hard segment even under a severe high-temperature condition by increasing the chemical cross-linking density around the hard segment without causing an increase in glass transition temperature of the hard segment, thereby maintaining high-temperature durability.Type: ApplicationFiled: September 1, 2014Publication date: July 21, 2016Applicant: LG Chem, Ltd.Inventors: Jeong Ae Yoon, Su Jeong Kim, Sung Soo Yoon, Min Ki Lee, Kee Young Kim, Han Na Chi, Sang Hyun Hong, Jeong Sik Bae
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Publication number: 20160194532Abstract: Provided are a pressure-sensitive adhesive composition, a protection film, an optical laminate, a polarizing plate, and a display device. Provided is the pressure-sensitive adhesive composition which is excellent in various physical properties, such as endurance reliability, has excellent antistatic characteristics that change little over time. The pressure-sensitive adhesive composition can be used for a protection film, or can be used for an optical film, such as a polarizing plate, for example.Type: ApplicationFiled: December 1, 2014Publication date: July 7, 2016Applicant: LG Chem, Ltd.Inventors: Su Jeong Kim, Jeong Ae Yoon, Sung Soo Yoon, Kee Young Kim, Min Ki Lee, Sang Hyun Hong, Il Jin Kim
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Publication number: 20160145475Abstract: The present invention relates to a pressure-sensitive adhesive composition, a pressure-sensitive adhesive optical member, a pressure-sensitive adhesive polarizing plate, and a display device. The pressure-sensitive adhesive composition of the present invention can form a pressure-sensitive adhesive having excellent durability and light leakage prevention property under severe conditions such as a high temperature condition, a high temperature and high humidity condition, or under a severe condition where a high temperature/high humidity and a normal temperature/low humidity are repeated.Type: ApplicationFiled: June 18, 2014Publication date: May 26, 2016Applicant: LG Chem, Ltd.Inventors: Min Ki LEE, No Ma KIM, Jeong Ae YOON, Kee Young KIM, Han Na CHI
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Publication number: 20160145470Abstract: The present invention relates to a pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition of the present invention exhibits excellent dependability under a high temperature or high humidity condition, and also has excellent stress relaxation property and reworkability when being applied to a polarizing plate, and thus, it can effectively prevent warpage. Accordingly, the pressure-sensitive adhesive composition can be usefully applied for an optical film.Type: ApplicationFiled: June 18, 2014Publication date: May 26, 2016Applicant: LG Chem, Ltd.Inventors: Min Ki Lee, No Ma Kim, Jeong Ae Yoon, Sung Soo Yoon, Su Jeong Kim
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Patent number: 9315697Abstract: Provided are a multi-block copolymer, a pressure-sensitive adhesive composition, a method of preparing a multi-block copolymer, a pressure-sensitive adhesive polarizing plate, and a liquid crystal display device. The pressure-sensitive adhesive composition including the multi-block copolymer may have excellent durability regardless of a temperature and/or humidity. In addition, the method of preparing a multi-block copolymer may prepare a multi-block copolymer increased in molecular weight which is structurally controlled with a simple process using a compound containing at least two halogen atoms. Accordingly, when included in a pressure-sensitive adhesive resin, the multi-block copolymer may have excellent cohesive strength in the resin, and a network structure during curing, and thus, when applied to a pressure-sensitive adhesive composition, the multi-block copolymer may be usefully applied to an optical member due to excellent durability regardless of a temperature and humidity.Type: GrantFiled: September 5, 2014Date of Patent: April 19, 2016Assignee: LG Chem, Ltd.Inventors: Su Jeong Kim, Jeong Ae Yoon, Min Ki Lee, Han Na Chi, No Ma Kim, Sung Soo Yoon
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Publication number: 20150376474Abstract: The present applicant relates to a pressure-sensitive adhesive composition, and optical laminate, a polarizing plate, and a display device. In an embodiment of the present applicant, the pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive which has an excellent cohesive force or stress relaxation property, and thus has superior endurance reliability and light leakage suppression performance or the like may be provided. The pressure-sensitive adhesive composition according to an embodiment of the present applicant may be used, for example, for an optical film such as a polarizing plate or the like.Type: ApplicationFiled: November 19, 2014Publication date: December 31, 2015Applicant: LG Chem, Ltd.Inventors: Sang Hyun Hong, Sung Soo Yoon, Min Ki Lee, Su Jeong Kim, Jeong Ae Yoon, Han Na Chi
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Patent number: 9152041Abstract: Disclosed is a display panel including a lower substrate, upper substrate, and a patterned spacer that causes the lower substrate and upper substrate to be spaced apart from each other by a predetermined distance, wherein the patterned spacer is obtained from a photosensitive resin composition comprising: (a) a triazine-based photopolymerization initiator represented by the following formula 1; (b) an alkali-soluble photo polymerizable reactive resin binder; and (c) a polymerizable compound: (wherein each of R1-R5 has the same meaning as defined herein). A photosensitive resin composition for use in a patterned spacer is also disclosed, the composition comprising: (a) a triazine-based photopolymerization initiator represented by the following formula 1; (b) an alkali-soluble photopolymerizable reactive resin binder; (c) a polymerizable compound; and (d) a solvent.Type: GrantFiled: July 5, 2005Date of Patent: October 6, 2015Assignee: LG CHEM, LTD.Inventors: Sung Hyun Kim, Jin Suek Kim, Kyung Jun Kim, Seung Hee Lee, Il Eok Kwon, Jeong Ae Yoon
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Patent number: 9090764Abstract: Provided is a polymer preparing method. By additionally inputting a catalytic reducing agent that reduces an inactivated metal complex compound catalyst to an activated metal complex compound catalyst, a polymer polymerized at a high conversion ratio of a monomer can be provided.Type: GrantFiled: November 6, 2013Date of Patent: July 28, 2015Assignee: LG Chem, Ltd.Inventors: Su Jeong Kim, Jeong Ae Yoon
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Publication number: 20150086781Abstract: 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: ApplicationFiled: December 8, 2014Publication date: March 26, 2015Applicant: 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: 20150080524Abstract: Provided is a polymer, a composition and film comprising the polymer, and a preparation method of the polymer. The polymer includes a compound having a hydrophobic property at its terminal, and thus a film capable of having a hydrophobic surface can be provided at the same time when the film is formed without a separate surface treatment. Further, an effect capable of permanently hydrophobically modifying a film surface is obtained at a low cost and a composition that does not occur a phase separation phenomenon in a polymer solution state is provided. For example, the film is used as a water repellent coating film, an anti-contamination film, or the like.Type: ApplicationFiled: November 26, 2014Publication date: March 19, 2015Applicant: LG CHEM, LTD.Inventors: Jeong Ae Yoon, No Ma Kim, Su Jeong Kim, In Ho Hwang
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Publication number: 20150062503Abstract: Provided is a pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition may form a pressure-sensitive adhesive having a fine phase separation structure by a block copolymer including a hard segment and a soft segment, and also has a high elastic modulus and an excellent pressure-sensitive adhesive property. For example, although applied to a thin polarizing plate on at least one surface of which a polarizer protective film is not used, the pressure-sensitive adhesive may allow the polarizing plate to exhibit excellent durability, moisture resistance, workability, a pressure-sensitive adhesive property and a light leakage inhibiting ability.Type: ApplicationFiled: November 6, 2014Publication date: March 5, 2015Inventors: Jeong Ae YOON, No Ma KIM, In Ho HWANG, In Kyu PARK, Min Joon KIM, Su Jeong KIM
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Publication number: 20140375934Abstract: Provided are a multi-block copolymer, a pressure-sensitive adhesive composition, a method of preparing a multi-block copolymer, a pressure-sensitive adhesive polarizing plate, and a liquid crystal display device. The pressure-sensitive adhesive composition including the multi-block copolymer may have excellent durability regardless of a temperature and/or humidity. In addition, the method of preparing a multi-block copolymer may prepare a multi-block copolymer increased in molecular weight which is structurally controlled with a simple process using a compound containing at least two halogen atoms. Accordingly, when included in a pressure-sensitive adhesive resin, the multi-block copolymer may have excellent cohesive strength in the resin, and a network structure during curing, and thus, when applied to a pressure-sensitive adhesive composition, the multi-block copolymer may be usefully applied to an optical member due to excellent durability regardless of a temperature and humidity.Type: ApplicationFiled: September 5, 2014Publication date: December 25, 2014Inventors: Su Jeong KIM, Jeong Ae YOON, Min Ki LEE, Han Na CHI, No Ma KIM, Sung Soo YOON
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Publication number: 20140066573Abstract: Provided is a polymer preparing method. By additionally inputting a catalytic reducing agent that reduces an inactivated metal complex compound catalyst to an activated metal complex compound catalyst, a polymer polymerized at a high conversion ratio of a monomer can be provided.Type: ApplicationFiled: November 6, 2013Publication date: March 6, 2014Applicant: LG CHEM, LTD.Inventors: Su Jeong KIM, Jeong Ae YOON
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Patent number: 7556910Abstract: The present invention relates to a photosensitive composition comprising a triazine-based photoactive compound containing oxime ester. The photosensitive composition according to the present invention has good sensitivity, retention rate, mechanical strength, heat resistance, chemical resistance and developing durability since it contains, as photopolymerization initiator, a compound having an oxime ester group and a triazine group in one molecule and thus effectively absorbs UV radiation. Therefore, the photosensitive composition according to the present invention is advantageous not only in curing of materials for color filters, resin black matrixes, column spacers, overcoats and passivation films of liquid crystal displays, but also in high temperature process characteristics.Type: GrantFiled: November 29, 2006Date of Patent: July 7, 2009Assignee: LF Chem, Ltd.Inventors: Sung Hyun Kim, Kyung Jun Kim, Dong Chang Choi, Jeong Ae Yoon, Hee Kwan Park, Geun Young Cha, Keon Woo Lee, Il Eok Kwon, Dong Kung Oh, Jong Hyun Park, Xiang Li Li, Han Soo Kim, Min Young Lim, Chang Ho Cho
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Patent number: 7449574Abstract: The present invention relates to a triazine based photoactive compound containing an oxime ester group. The compound according to the present invention is a photoactive compound containing both an oxime ester group and a triazine group in one molecule, has excellent radical-generating efficiency due to effective absorption of UV radiation, particularly i-line (365 nm) radiation and can function as an effective initiator for photopolymerization of various compounds containing unsaturated groups, particularly an acryl compound.Type: GrantFiled: November 6, 2006Date of Patent: November 11, 2008Assignee: LG Chem, Ltd.Inventors: Sung Hyun Kim, Jeong Ae Yoon, Raisa Kharbash, Han Soo Kim, Xiang Li Li, Min Young Lim, Chang Ho Cho
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Publication number: 20080213514Abstract: Disclosed is a display panel including a lower substrate, upper substrate, and a patterned spacer that causes the lower substrate and upper substrate to be spaced apart from each other by a predetermined distance, wherein the patterned spacer is obtained from a photo-sensitive resin composition comprising: (a) a triazine-based photopolymerization initiator represented by the following formula 1; (b) an alkali-soluble photo polymerizable reactive resin binder; and (c) a polymerizable compound: (wherein each of R1-R5 has the same meaning as defined herein). A photosensitive resin composition for use in a patterned spacer is also disclosed, the composition comprising: (a) a triazine-based photopolymerization initiator represented by the following formula 1; (b) an alkali-soluble photopolymerizable reactive resin binder; (c) a polymerizable compound; and (d) a solvent.Type: ApplicationFiled: July 5, 2005Publication date: September 4, 2008Inventors: Sung Hyun Kim, Jin Suek Kim, Kyung Jun Kim, Seung Hee Lee, Il Eok Kwon, Jeong Ae Yoon