Patents by Inventor Chang-Hoon Sim
Chang-Hoon Sim 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: 9090800Abstract: There is provided an adhesive tape for manufacturing electronic components comprising a heat-resistant substrate and an adhesive layer containing an adhesive composition disposed on the heat-resistant substrate, wherein the adhesive composition comprises a phenoxy resin, a curing agent, an energy ray curable acrylic resin and a photoinitiator, and wherein the adhesive layer is cured by heat and an energy ray.Type: GrantFiled: March 9, 2009Date of Patent: July 28, 2015Assignee: TORAY ADVANCED MATERIALS KOREA, INC.Inventors: Sung-Hwan Choi, Ki-Jeong Moon, Hae-Sang Jeon, Chang-Hoon Sim
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Patent number: 8945668Abstract: Provided are a phenoxy resin composition for transparent plastic substrate and a transparent plastic substrate using the phenoxy resin composition, capable of effectively substituting for a conventional glass substrate since having excellent thermal and chemical resistance, high adhesiveness, low water infiltration, and a small coefficient of linear thermal expansion. In one general aspect, there is provided a phenoxy resin composition for transparent plastic substrate, including: phenoxy resin having a chemical structure expressed as follows: wherein the n value is 35 to 400.Type: GrantFiled: December 13, 2013Date of Patent: February 3, 2015Assignee: Toray Advanced Materials Korea Inc.Inventors: Chang-Hoon Sim, Yeun-Soo Kim, Ki-Jeong Moon
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Publication number: 20140107248Abstract: Provided are a phenoxy resin composition for transparent plastic substrate and a transparent plastic substrate using the phenoxy resin composition, capable of effectively substituting for a conventional glass substrate since having excellent thermal and chemical resistance, high adhesiveness, low water infiltration, and a small coefficient of linear thermal expansion. In one general aspect, there is provided a phenoxy resin composition for transparent plastic substrate, including: phenoxy resin having a chemical structure expressed as follows: wherein the n value is 35 to 400.Type: ApplicationFiled: December 13, 2013Publication date: April 17, 2014Applicant: Toray Advanced Materials Korea Inc.Inventors: Chang-Hoon SIM, Yeun-Soo KIM, Ki-Jeong MOON
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Patent number: 8524833Abstract: A high-efficiency light diffusing polymeric film comprises a first polymer which is a light transmissible medium, and a second polymer which forms light scattering particles, wherein the polymers are immiscible and have a refractive index difference of about 0.001 to about 0.5, and the polymeric film comprises about 30 about to 70 parts by weight of the second polymer with respect to 100 parts by weight of the first polymer. A method for manufacturing a high-efficiency polymeric film is carried out such that a first polymer forms a continuous phase and a second polymer forms a dispersed phase through coating or extrusion.Type: GrantFiled: July 2, 2009Date of Patent: September 3, 2013Assignee: Toray Advanced Materials Korea Inc.Inventors: Chang-Hoon Sim, Ki-Jeong Moon, Hae-Sang Jun
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Publication number: 20120269990Abstract: Provided are a phenoxy resin composition for transparent plastic substrate and a transparent plastic substrate using the phenoxy resin composition, capable of effectively substituting for a conventional glass substrate since having excellent thermal and chemical resistance, high adhesiveness, low water infiltration, and a small coefficient of linear thermal expansion. In one general aspect, there is provided a phenoxy resin composition for transparent plastic substrate, including: phenoxy resin having a chemical structure expressed as follows: wherein the n value is 35 to 400.Type: ApplicationFiled: December 5, 2011Publication date: October 25, 2012Applicant: Toray Advanced Materials Korea Inc.Inventors: Chang-Hoon SIM, Yeun-Soo KIM, Ki-Jeong MOON
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Patent number: 8263428Abstract: This disclosure provides polymer electrolytes for dye-sensitized solar cells that can not only prevent electrolytes from leaking, but also exhibit a higher solar conversion efficiency when compared with conventional polymer electrolytes, whereby the polymer electrolytes are applicable to a process for manufacturing dye-sensitized solar cells with a large surface area or flexible dye-sensitized solar cells, and methods for manufacturing modules of dye-sensitized solar cells using the same.Type: GrantFiled: March 22, 2010Date of Patent: September 11, 2012Assignee: Toray Advanced Materials Korea Inc.Inventors: Chang-Hoon Sim, Sang-Pil Kim, Ki-Jeong Moon
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Publication number: 20120009715Abstract: This disclosure provides polymer electrolytes for dye-sensitized solar cells that can not only prevent electrolytes from leaking, but also exhibit a higher solar conversion efficiency when compared with conventional polymer electrolytes, whereby the polymer electrolytes are applicable to a process for manufacturing dye-sensitized solar cells with a large surface area or flexible dye-sensitized solar cells, and methods for manufacturing modules of dye-sensitized solar cells using the same.Type: ApplicationFiled: March 22, 2010Publication date: January 12, 2012Applicant: TORAY ADVANCED MATERIALS KOREA INC.Inventors: Chang-Hoon Sim, Sang-Pil Kim, Ki-Jeong Moon
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Publication number: 20110318580Abstract: There is provided an adhesive tape for manufacturing electronic components comprising a heat-resistant substrate and an adhesive layer containing an adhesive composition disposed on the heat-resistant substrate, wherein the adhesive composition comprises a phenoxy resin, a curing agent, an energy ray curable acrylic resin and a photoinitiator, and wherein the adhesive layer is cured by heat and an energy ray.Type: ApplicationFiled: March 9, 2009Publication date: December 29, 2011Inventors: Sung-Hwan Choi, Ki-Jeong Moon, Hae-Sang Jeon, Chang-Hoon Sim
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Patent number: 7960023Abstract: There is provided an adhesive film for stacking semiconductor layers of chips comprising: a first adhesive layer comprising phenoxy resin, epoxy resin and phenol resin; a second adhesive layer comprising phenoxy resin and an ultraviolet ray curable compound; and a third adhesive layer comprising phenoxy resin, epoxy resin and phenol resin, wherein the second adhesive layer is disposed between the first adhesive layer and the third adhesive layer.Type: GrantFiled: December 5, 2007Date of Patent: June 14, 2011Assignee: Toray Advanced Materials Korea Inc.Inventors: Chang-Hoon Sim, Ki-Jeong Moon, Hae-Sang Jun, Jun-Ho Lee, Yun-Min Park
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Publication number: 20110056623Abstract: This disclosure provides a method for laminating an adhesive tape and a lead frame, more specifically to reduce the warpage of a lead frame after heated lamination in which an adhesive tape for manufacturing semiconductor devices is attached to the lead frame, satisfying all the properties required for lamination, and avoiding adhesive residues from adhesive tapes and the leakage of a sealing resin. A method for laminating an adhesive tape and a lead frame comprises laminating an adhesive tape and a lead, wherein the lamination temperature of an adhesive tape surface and that of a lead frame surface are different from each other, for example, wherein the lamination temperature of the lead frame surface is lower than that of the adhesive tape surface by about 1 to about 200° C.Type: ApplicationFiled: November 10, 2009Publication date: March 10, 2011Applicant: Toray Saehan, Inc.Inventors: Min-Ho IM, Sung-Hwan Choi, Chang-Hoon Sim, Ki-Jeong Moon, Hae-Sang Jeon
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Publication number: 20100295001Abstract: A high-efficiency light diffusing polymeric film comprises a first polymer which is a light transmissible medium, and a second polymer which forms light scattering particles, wherein the polymers are immiscible and have a refractive index difference of about 0.001 to about 0.5, and the polymeric film comprises about 30 about to 70 parts by weight of the second polymer with respect to 100 parts by weight of the first polymer. A method for manufacturing a high-efficiency polymeric film is carried out such that a first polymer forms a continuous phase and a second polymer forms a dispersed phase through coating or extrusion.Type: ApplicationFiled: July 2, 2009Publication date: November 25, 2010Applicant: Toray Saehan, Inc.Inventors: Chang-Hoon SIM, Ki-Jeong Moon, Hae-Sang Jun
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Publication number: 20100247906Abstract: The present invention relates to a heat-resistant adhesive sheet (tape). More particularly, the invention relates to a heat-resistant adhesive sheet of high reliability and workability, in which crosslink reaction can be induced through irradiation of energy rays on an adhesive layer to achieve heat resistance at high temperature and also high dimension stability in parts, to achieve release without leaving any adhesive residues on an attached surface in releasing the layer and also to achieve no oxidation on the attached surface, e.g., a metallic surface at a high temperature.Type: ApplicationFiled: August 22, 2007Publication date: September 30, 2010Applicant: TORAY SAEHAN INC.Inventors: Jun-Ho Lee, Hae-Sang Jeun, Ki-Jeong Moon, Chang-Hoon Sim
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Publication number: 20090294046Abstract: The invention concerns an anisotropic conductive film used for adhering IC, e.g., LCD displays, etc. The conductive film is characterized by comprising a thermosetting adhesive, super-paramagnetic metal oxide nano-particles, and conductive particles, the super-paramagnetic metal oxide nano-particles and the conductive particles being dispersed in a thermosetting composition. With such a configuration in the invention, it is advantageous that low temperature curing is implemented by means of high frequencies and positions of particles can be controlled by means of a magnetic field in adhering IC, e.g., LCD displays, so that high connection reliability is achieved for connection electrodes of fine pitches.Type: ApplicationFiled: December 5, 2007Publication date: December 3, 2009Applicant: TORAY SAEHAN INC.Inventors: Chang-Hoon SIM, Ki-Jeong Moon, Hae-Sang Jun
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Publication number: 20080226884Abstract: The invention concerns an adhesive film for stacking chips which enables chips to be stacked in layers without using a separate spacer usually provided to keep a given distance between wires of an upper chip and a lower chip to have the same area. The adhesive film of the invention has an intermediate adhesive layer of thermoplastic phenoxy resin on both side of which a thermosetting adhesive layer of epoxy resin is placed, respectively, to make a three-layer structure, the thermoplastic phenoxy resin comprising UV curable small molecule compounds. The adhesive film of the invention is a multi-layered adhesive film produced by a method of comprising the steps of achieving compatibility on an interface between the thermosetting epoxy resin and thermoplastic phenoxy resin and then directly forming a phenoxy film of a high elastic modulus through UV curing in an adhesive film.Type: ApplicationFiled: December 5, 2007Publication date: September 18, 2008Applicant: TORAY SAEHAN INC.Inventors: Chang-Hoon SIM, Ki-Jeong Moon, Hae-Sang Jun, Jun-Ho Lee, Yun-Min Park
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Publication number: 20070126129Abstract: Disclosed is a die bonding adhesive tape, which eliminates the requirement for additional adhesive tape for attaching a ring frame, decreases the curing time period upon die bonding, essentially prevents the transfer and diffusion of low-molecular-weight compounds between an adhesive film and an adhesive layer on a base substrate to thus exhibit excellent pick-up performance when picking up a die, and easily separates an adhesive film having a die from an adhesive layer on a base substrate when picking up slim and large dies. The die bonding adhesive tape of the invention includes a base substrate and an adhesive layer formed on the base substrate, has a structure in which a core film having a die bonding adhesive film attached thereto is bonded onto the adhesive layer, and enables direct die bonding via dicing and then die pick-up in a state of being mounted on a wafer.Type: ApplicationFiled: December 5, 2006Publication date: June 7, 2007Applicant: Ace Industries Co., Ltd.Inventors: Yong-Kook Ahn, Chang-Hoon Sim, Kyo-Sung Hwang