Patents by Inventor Byung Choon Lee
Byung Choon Lee 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: 11947744Abstract: The present disclosure relates to a device for providing augmented reality that can accurately recognize a writing tool such as an electronic pen to realize motion information of the writing tool over augmented reality contents, and a method for providing augmented reality using the same. According to some embodiments of the disclosure, an augmented reality device includes at least one transparent lens, a support frame supporting the at least one transparent lens, at least one display module configured to display augmented reality contents through the at least one transparent lens, a sensing module at a front of the support frame, and configured to generate image data, and a control module configured to receive motion-sensing signals of an electronic pen to detect motion information of the electronic pen, and configured to modulate the augmented reality contents so that the motion information of the electronic pen is includes therein.Type: GrantFiled: July 21, 2022Date of Patent: April 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Tae Hee Lee, Byung Choon Yang, Joo Woan Cho, Byeong Hwa Choi, Hae Yun Choi
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Patent number: 8835558Abstract: Disclosed is a polylactic acid/polycarbonate resin composition including (A) a mixed resin including (a1) a polycarbonate resin and (a2) a polylactic acid resin, and (B) a modified acrylic-based resin, and a molded product made using the same.Type: GrantFiled: December 18, 2009Date of Patent: September 16, 2014Assignee: Cheil Industries Inc.Inventors: Hyung-Tak Lee, Doo-Han Ha, Chang-Do Jung, Young-Chul Kwon, Jin-Kyung Cho, Young-Mi Chung, Byung-Choon Lee
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Patent number: 8383726Abstract: Disclosed is a thermoplastic resin composition having excellent impact resistance at a low temperature, while maintaining high transparency; this thermoplastic resin composition is obtained by compounding an impact resistance improver into a thermoplastic resin, the impact resistance improver being composed of a graft copolymer which is obtained by polymerizing a vinyl monomer component in the presence of a polymer mixture containing a polymer having butadiene units as an essential component and a polymer having styrene units as an essential component, the polymer mixture containing 45 to 65% by mass of the butadiene units and 35 to 55% by mass of the styrene units.Type: GrantFiled: August 29, 2007Date of Patent: February 26, 2013Assignees: Mitsubishi Rayon Co., Ltd., Cheil Industries Inc.Inventors: Osamu Okunaka, Hiroyuki Nishii, Takashi Shouji, Keiji Nakamura, Tae Uk Kim, Byung Choon Lee
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Patent number: 8314168Abstract: A polymer composition includes a polycarbonate resin, a syndiotactic polystyrene resin, a core-shell graft copolymer, and a phosphate ester compound. In some embodiments, the compositions have one or more of good impact strength, Falling Dart impact strength, chemical resistance, and flowability.Type: GrantFiled: March 7, 2007Date of Patent: November 20, 2012Assignee: Cheil Industries Inc.Inventors: Sung Sig Min, Byung Choon Lee, Han Su Lee
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Patent number: 8202938Abstract: Disclosed is a thermoplastic resin composition that includes (A) a polycarbonate resin, (B) a modified acryl-based copolymer resin, (C) a polysiloxane copolymer including an aryl group, and (D) a core-shell graft copolymer.Type: GrantFiled: November 5, 2009Date of Patent: June 19, 2012Assignee: Cheil Industries Inc.Inventors: Byung-Choon Lee, Doo-Han Ha, Tae-Uk Kim, Jae-Hoon Jeong, Il-Jin Kim
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Patent number: 8053534Abstract: Disclosed is a thermoplastic resin composition that includes: (A) about 55 to about 95 wt % of a polycarbonate resin; (B) about 1 to about 40 wt % of a polyalkyl(meth)acrylate resin having a weight average molecular weight of about 1,000,000 g/mol or more; and (C) about 0.001 to about 10 wt % of a polysiloxane resin, and a molded product made using the same.Type: GrantFiled: December 2, 2009Date of Patent: November 8, 2011Assignee: Cheil Industries, Inc.Inventors: Byung-Choon Lee, Tae-Uk Kim, Doo-Han Ha
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Patent number: 7956127Abstract: Disclosed herein are a polycarbonate resin composition and a plastic article produced from the resin composition. The polycarbonate resin composition includes about 85 to about 99 parts by weight of a polycarbonate resin and about 1 to about 15 parts by weight of a core-shell graft copolymer, wherein the core-shell graft copolymer has a core-shell structure in which a vinyl monomer including methyl methacrylate and phenyl methacrylate is grafted onto a rubber.Type: GrantFiled: December 18, 2007Date of Patent: June 7, 2011Assignee: Cheil Industries Inc.Inventors: Byung Choon Lee, Tae Uk Kim
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Patent number: 7956105Abstract: Disclosed is a silicone impact modifier with a high refractive index. The silicone impact modifier can include (A) a rubber core including (a1) an organosiloxane cross-linked (co)polymer with a particle size of about 50 to about 400 nm and (a2) an alkylacrylate-styrenic aromatic compound cross-linked copolymer; and (B) a plastic shell including a vinyl (co)polymer. The refractive index of the silicone impact modifier of the present invention can be about 1.49 to about 1.59.Type: GrantFiled: June 27, 2007Date of Patent: June 7, 2011Assignee: Cheil Industries Inc.Inventors: Han Su Lee, Sung Sig Min, Byung Choon Lee, Byeong Do Lee
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Publication number: 20100280180Abstract: A thermoplastic resin composition includes (A) 60 to 96 parts by weight of a polycarbonate resin, (B) 3 to 30 parts by weight of a polyalkyl(meth)acrylate resin having a weight average molecular weight of 30,000 g/mol or less, and (C) 1 to 10 parts by weight of polydialkyl-diarylsiloxane. The thermoplastic resin composition according to the present invention can have excellent scratch resistance and can be used in molded articles requiring high coloring properties such as exterior parts, vehicle precision parts, and the like.Type: ApplicationFiled: July 14, 2010Publication date: November 4, 2010Applicant: CHEIL INDUSTRIES INC.Inventors: Byung-Choon LEE, Tae-Uk KIM, Young-Jun LEE
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Publication number: 20100261844Abstract: A thermoplastic resin composition includes a polycarbonate resin, a low molecular weight polymethyl(meth)acrylate resin, and a core-shell graft copolymer, and the low molecular weight polymethyl(meth)acrylate resin has a weight average molecular weight ranging from 5000 to 30,000. The thermoplastic resin composition can have excellent scratch resistance, impact resistance, and transparency, and accordingly can be used in various molded products such as external parts of electronics, external materials of a car, and the like, which can simultaneously require scratch and impact resistance and transparency.Type: ApplicationFiled: June 28, 2010Publication date: October 14, 2010Applicant: CHEIL INDUSTRIES INC.Inventors: Byung-Choon LEE, Tae-Uk KIM, Jin-Kyung CHO
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Publication number: 20100160559Abstract: Disclosed is a polylactic acid/polycarbonate resin composition including (A) a mixed resin including (a1) a polycarbonate resin and (a2) a polylactic acid resin, and (B) a modified acrylic-based resin, and a molded product made using the same.Type: ApplicationFiled: December 18, 2009Publication date: June 24, 2010Applicant: CHEIL INDUSTRIES INC.Inventors: Hyung-Tak Lee, Doo-Han Ha, Chang-Do Jung, Young-Chul Kwon, Jin-Kyung Cho, Young-Mi Chung, Byung-Choon Lee
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Publication number: 20100160560Abstract: Disclosed is a thermoplastic resin composition that includes: (A) about 55 to about 95 wt % of a polycarbonate resin; (B) about 1 to about 40 wt % of a polyalkyl(meth)acrylate resin having a weight average molecular weight of about 1,000,000 g/mol or more; and (C) about 0.001 to about 10 wt % of a polysiloxane resin, and a molded product made using the same.Type: ApplicationFiled: December 2, 2009Publication date: June 24, 2010Applicant: CHEIL INDUSTRIES INC.Inventors: Byung-Choon LEE, Tae-Uk KIM, Doo-Han HA
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Publication number: 20100113697Abstract: Disclosed is a thermoplastic resin composition that includes (A) a polycarbonate resin, (B) a modified acryl-based copolymer resin, (C) a polysiloxane copolymer including an aryl group, and (D) a core-shell graft copolymer.Type: ApplicationFiled: November 5, 2009Publication date: May 6, 2010Inventors: Byung-Choon LEE, Doo-Han HA, Tae-Uk KIM, Jae-Hoon JEONG, Il-Jin KIM
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Publication number: 20090209707Abstract: Disclosed is a thermoplastic resin composition having excellent impact resistance at a low temperature, while maintaining high transparency; this thermoplastic resin composition is obtained by compounding an impact resistance improver into a thermoplastic resin, the impact resistance improver being composed of a graft copolymer which is obtained by polymerizing a vinyl monomer component in the presence of a polymer mixture containing a polymer having butadiene units as an essential component and a polymer having styrene units as an essential component, the polymer mixture containing 45 to 65% by mass of the butadiene units and 35 to 55% by mass of the styrene units.Type: ApplicationFiled: August 29, 2007Publication date: August 20, 2009Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Osamu Okunaka, Hiroyuki Nishii, Takashi Shouji, Keiji Nakamura, Tae Uk Kim, Byung Choon Lee
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Patent number: 7541401Abstract: Disclosed herein is an impact modifier for a polymer composition and a method of preparing the same. The impact modifier includes a core comprising a polyorganosiloxane, an acrylate polymer and a styrenic polymer; and a shell generally surrounding the core, the shell comprising a polymer attached to the core. The method includes providing a silicone rubber particle; adding a polymerizable styrenic compound into the silicone rubber particle; polymerizing the polymerizable styrenic compound within the particle to provide a styrenic polymer; adding a polymerizable acrylic compound into the silicone rubber particle; polymerizing the polymerizable acrylic compound within the silicone rubber particle to provide an acrylate polymer; and grafting a polymerizable compound onto the silicone rubber particle to provide a shell substantially surrounding the silicone rubber particle comprising the styrenic polymer and the acrylate polymer.Type: GrantFiled: December 28, 2005Date of Patent: June 2, 2009Assignee: Cheil Industries Inc.Inventors: Han Su Lee, Byeong Do Lee, Sung Sig Min, Byung Choon Lee
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Publication number: 20080161494Abstract: Disclosed herein are a polycarbonate resin composition and a plastic article produced from the resin composition. The polycarbonate resin composition includes about 85 to about 99 parts by weight of a polycarbonate resin and about 1 to about 15 parts by weight of a core-shell graft copolymer, wherein the core-shell graft copolymer has a core-shell structure in which a vinyl monomer including methyl methacrylate and phenyl methacrylate is grafted onto a rubber.Type: ApplicationFiled: December 18, 2007Publication date: July 3, 2008Applicant: CHEIL INDUSTRIES INC.Inventors: Byung Choon LEE, Tae Uk KIM
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Publication number: 20070213435Abstract: A polymer composition includes a polycarbonate resin, a syndiotactic polystyrene resin, a core-shell graft copolymer, and a phosphate ester compound. In some embodiments, the compositions have one or more of good impact strength, Falling Dart impact strength, chemical resistance, and flowability.Type: ApplicationFiled: March 7, 2007Publication date: September 13, 2007Applicant: Cheil Industries, Inc.Inventors: Sung Sig Min, Byung Choon Lee, Han Su Lee