Patents by Inventor Kyung-Hoon Seo
Kyung-Hoon Seo 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: 20240178122Abstract: A semiconductor package, including a first redistribution substrate, a semiconductor chip on the first redistribution substrate, a connection structure on the first redistribution substrate and spaced apart from the semiconductor chip, the connection structure including a connection substrate and a post on the connection substrate, a second redistribution substrate on the semiconductor chip and the connection structure, and a molding layer between the first redistribution substrate and the second redistribution substrate, the molding layer encapsulating the semiconductor chip and the connection structure, wherein the connection substrate includes a conductive pattern that vertically penetrates the connection substrate, the post is in contact with a top surface of the conductive pattern, and a width of the post is less than a width of the connection substrate.Type: ApplicationFiled: July 26, 2023Publication date: May 30, 2024Inventors: Kyung Don MUN, Sangjin BAEK, Kyoung Lim SUK, Shang-Hoon SEO, Inhyung SONG, Yeonho JANG
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Publication number: 20240120345Abstract: A display device comprises a display area comprising a plurality of pixels, and a data line and a gate line electrically connected to the plurality of pixels, a non-display area disposed adjacent to the display area, a plurality of pads disposed on a side of the non-display area, a gate control line electrically connected to at least one of the plurality of pads and that supplies a gate control signal, a driving voltage line electrically connected to at least one of the plurality of pads and that supplies a driving voltage, an antistatic circuit electrically connected to the gate control line, a scan driver that generates a gate signal based on a gate control signal received from the gate control line and that supplies the gate signal to the gate line, and a shielding layer integral to the driving voltage line to overlap the top of the antistatic circuit.Type: ApplicationFiled: August 2, 2023Publication date: April 11, 2024Applicant: Samsung Display Co., LTD.Inventors: Hae Min KIM, Young Wan SEO, Geun Ho LEE, Kyung Hoon CHUNG
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Patent number: 7691924Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphate ester morpholide compound or a phosphoric acid ester as a flame retardant, and, optionally, a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.Type: GrantFiled: August 21, 2006Date of Patent: April 6, 2010Assignee: Cheil IndustriesInventors: Jong-Cheol Lim, Sang Hyun Hong, Kyung-Hoon Seo, Sam-Joo Yang
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Patent number: 7635735Abstract: The polycarbonate resin composition having good fatigue strength according to the present invention comprises (A) 80 to 98 parts by weight of a polycarbonate resin, (B) 0.1 to 10 parts by weight of a thermotropic aromatic liquid crystalline polymer resin and (C) 1 to 20 parts by weight of a core-shell grafted copolymer.Type: GrantFiled: June 23, 2006Date of Patent: December 22, 2009Assignee: Cheil Industries Inc.Inventors: Kyung Hoon Seo, Kyung Tae Kim, Sung Sig Min, Bong Jae Lee
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Patent number: 7550523Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphate ester morpholide compound as a flame retardant, and a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.Type: GrantFiled: November 7, 2001Date of Patent: June 23, 2009Assignee: Cheil Industries Inc.Inventors: Jong Cheol Lim, Kyung Hoon Seo, Sam Joo Yang
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Publication number: 20080182926Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphate ester morpholide compound or a phosphoric acid ester as a flame retardant, and, optionally, a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.Type: ApplicationFiled: August 21, 2006Publication date: July 31, 2008Applicant: CHEIL INDUSTRIESInventors: Jong Cheol Lim, Sang Hyun Hong, Kyung Hoon Seo, Sam Joo Yang
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Patent number: 7148282Abstract: A composite of a polyester, e.g., a polycarbonate, and a nanoclay (layered silicate) cation exchanged with a quaternized copolymer of styrene and 2-(dimethylamine) ethyl methacrylate is provided, the composite being useful for preparing injection molded objects and after injection molding being transparent and without coloration and has enhanced modulus and strength compared to neat polyester and does not have loss of elongation and toughness compared to neat polyester.Type: GrantFiled: December 19, 2003Date of Patent: December 12, 2006Assignee: Cornell Research Foundations, Inc.Inventors: Emmanuel P. Giannelis, Jin Zhu, Byoungkyeu Park, Kyung Hoon Seo
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Patent number: 7138445Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of a phenol resin derivative, and (C) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds. Another flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds.Type: GrantFiled: December 8, 2003Date of Patent: November 21, 2006Assignee: Cheil Industries Inc.Inventors: Jae Ho Yang, Sang Hyun Hong, Gyu Chul Lee, Bok Nam Jang, Young Gil Jang, Sung Hee Ahn, Su Hak Bae, Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Patent number: 7094818Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphoric acid ester as a flame retardant, and a fluorinated polyolefin resin.Type: GrantFiled: November 7, 2001Date of Patent: August 22, 2006Assignee: Cheil Industries, Inc.Inventors: Jong Cheol Lim, Sang Hyun Hong, Kyung Hoon Seo, Sam Joo Yang
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Patent number: 6900256Abstract: The present invention relates to polyphosphate ester morpholides, compositions comprising mixtures thereof and thermoplastic resin compositions containing the polyphosphate ester morpholide composition as a flame retardant. The flame retardant compositions comprise mixtures of polyphosphate ester morpholides which are represented by the following general formula I: in which X is 1 or 2; R1 is a C6-C20 aryl group, an alkyl substituted C6-C20 aryl group or a derivative thereof; R2 is a C6-C30 arylene group, an alkyl substituted C6-C30 arylene group or a derivative thereof; n is the average number of morpholide repeating units, m is the average number of R1 repeating units, and n+m is 1 to 5. In accordance with the present invention, it is possible to provide a flame retardant thermoplastic resin compositions having improved flame retardancy even when small amounts of the flame retardant are used.Type: GrantFiled: August 19, 2002Date of Patent: May 31, 2005Assignee: Cheil Industries Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Publication number: 20040249027Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphate ester morpholide compound as a flame retardant, and a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.Type: ApplicationFiled: March 12, 2004Publication date: December 9, 2004Applicant: CHEIL INDUSTRIES INC.Inventors: Jong Cheol Lim, Kyung Hoon Seo, Sam Joo Yang
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Publication number: 20040122139Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of a phenol resin derivative, and (C) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds. Another flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds.Type: ApplicationFiled: December 8, 2003Publication date: June 24, 2004Applicant: Cheil Industries Inc.Inventors: Jae Ho Yang, Sang Hyun Hong, Gyu Chul Lee, Bok Nam Jang, Young Gil Jang, Sung Hee Ahn, Su Hak Bae, Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Patent number: 6576161Abstract: The present invention relates to polyphosphate ester morpholides, compositions comprising mixtures thereof and thermoplastic resin compositions containing the polyphosphate ester morpholide composition as a flame retardant. The flame retardant compositions comprise mixtures of polyphosphate ester morpholides which are represented by the following general formula I: in which X is 1 or 2; R1 is a C6-C20 aryl group, an alkyl substituted C6-C20 aryl group or a derivative thereof; R2 is a C6-C30 arylene group, an alkyl substituted C6-C30 arylene group or a derivative thereof; n is the average number of morpholide repeating units, m is the average number of R1 repeating units, and n+m is 1 to 5. In accordance with the present invention, it is possible to provide a flame retardant thermoplastic resin compositions having improved flame retardancy even when small amounts of the flame retardant are used.Type: GrantFiled: November 28, 2001Date of Patent: June 10, 2003Assignee: Cheil Industries, Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Publication number: 20030040560Abstract: The present invention relates to polyphosphate ester morpholides, compositions comprising mixtures thereof and thermoplastic resin compositions containing the polyphosphate ester morpholide composition as a flame retardant.Type: ApplicationFiled: August 19, 2002Publication date: February 27, 2003Applicant: Cheil Industries Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Patent number: 6437029Abstract: The present invention relates to a flame retardant thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified styrene-grafted copolymer, a styrene-containing copolymer, a (meth)acrylic acid ester copolymer, a phosphoric acid ester as a flame retardant and a fluorinated polyolefin resin, which does not show coalescence of the domain resin that might be caused by the low viscosity at a high temperature, and poor flame retardancy, weld-line strength and mechanical properties such as impact strength, and which has a good balance of physical properties such as impact strength, heat resistance, heat stability, processability and appearance.Type: GrantFiled: December 29, 2000Date of Patent: August 20, 2002Assignee: Cheil Industries Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Publication number: 20020091180Abstract: The present invention relates to polyphosphate ester morpholides, compositions comprising mixtures thereof and thermoplastic resin compositions containing the polyphosphate ester morpholide composition as a flame retardant.Type: ApplicationFiled: November 28, 2001Publication date: July 11, 2002Applicant: Cheil Industries Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Publication number: 20020077392Abstract: The present invention relates to a flame retardant thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified styrene-grafted copolymer, a styrene-containing copolymer, a (meth)acrylic acid ester copolymer, a phosphoric acid ester as a flame retardant and a fluorinated polyolefin resin, which does not show coalescence of the domain resin that might be caused by the low viscosity at a high temperature, and poor flame retardancy, weld-line strength and mechanical properties such as impact strength, and which has a good balance of physical properties such as impact strength, heat resistance, heat stability, processability and appearance.Type: ApplicationFiled: December 29, 2000Publication date: June 20, 2002Applicant: CHEIL INDUSTRIES INC.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang