Patents by Inventor Sang-Hyuk Im
Sang-Hyuk Im 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: 7935329Abstract: The present invention relates to a titania sol, a method of preparing the same, and a coating composition including the same. More specifically, it relates to a titania sol prepared by elevating the temperature of a reactant solution including a precursor of titania in a solvent for a reaction temperature, adding an acid catalyst to the reactant solution and conducting a sol-gel reaction while removing the solvent for reaction therefrom, and drying the prepared titania sol and re-dispersing the dried titania in a solvent for dispersion, a method of preparing the same, and a coating composition including the same.Type: GrantFiled: November 30, 2006Date of Patent: May 3, 2011Assignee: LG Chem, Ltd.Inventors: Sang-Hyuk Im, Seung-Heon Lee, Young-Jun Hong, Won-Yong Choi
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Patent number: 7925318Abstract: A slide type portable terminal can include a main unit including separated first and second key sections and a first plate coupled to a surface of the main unit and a display unit with a display screen on a front surface and a second plate. The second plate can slide with respect to the first plate and preferably slides along the surface of the main unit to cause the first and second key sections of the main unit to be covered and exposed by the display unit. Further, first and second magnets can be provided on the first and second plates, respectively, so that the same poles of the magnets face each other to provide a repulsive force when they are positioned to face close to each other. According to embodiments of the present invention, there are various advantages in that the portable terminal can be utilized more conveniently and production costs and failure rates thereof can also be reduced.Type: GrantFiled: January 27, 2010Date of Patent: April 12, 2011Assignee: LG Electronics Inc.Inventors: Sang-Hyuk Im, Hyun-Ho Lee, Chang-Il Lee, Kwon-Jin Kang, Red-Heat Oh, Ji-Sung Park
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Publication number: 20100255192Abstract: The present invention relates to colloidal photonic crystals using colloidal nanoparticles and a method for the preparation thereof, wherein by adding a viscoelastic material into a solution containing the colloidal nanoparticles when preparing the colloidal photonic crystals, a uniform volume contraction occurs due to the elasticity of the viscoelastic material even when a nonuniform volume contraction occurs while drying a dispersion medium in the colloidal solution. Thus, it is possible to prepare 2 or 3 dimensional colloidal photonic crystals of large scale with no defects in less time.Type: ApplicationFiled: June 21, 2010Publication date: October 7, 2010Inventors: Young-jun HONG, Sang-hyuk Im
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Publication number: 20100238558Abstract: The present invention provides a composition for an anti-glare film that includes a binder resin; and an organic particle which is included in an amount of 1 to 30 parts by weight based on 100 parts by weight of the binder resin and in which concave 1 and convex patterns are formed on a surface thereof, and an anti-glare film that is manufactured by using the same. Accordingly, the storage stability of a particle that is included in an anti-glare film for high resolution is improved to increase the durability and a lifespan of products, a glare phenomenon that is caused by incident light and recognized by an user is prevented, and image clarity and contrast ratio that is realized by using an image display device are improved.Type: ApplicationFiled: May 16, 2008Publication date: September 23, 2010Inventors: Sang-Hyuk Im, Yeong-Rae Chang, Jae Pil Koo
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Patent number: 7741416Abstract: The present invention relates to colloidal photonic crystals using colloidal nanoparticles and a method for the preparation thereof, wherein by adding a viscoelastic material into a solution containing the colloidal nanoparticles when preparing the colloidal photonic crystals, a uniform volume contraction occurs due to the elasticity of the viscoelastic material even when a nonuniform volume contraction occurs while drying a dispersion medium in the colloidal solution. Thus, it is possible to prepare 2 or 3 dimensional colloidal photonic crystals of large scale with no defects in less time.Type: GrantFiled: November 6, 2006Date of Patent: June 22, 2010Assignee: LG Chem, Ltd.Inventors: Young-jun Hong, Sang-hyuk Im
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Publication number: 20100143702Abstract: The present invention provides a composition for an anti-glare film that includes a binder resin; and a core-shell particle having an average surface roughness ([Rz]) in the range of 0 to 2/M, and an anti-glare film that is manufactured by using the same. Accordingly, the storage stability of a particle that is included in an anti-glare film for high resolution is improved to increase the durability and a lifespan of products, a glare phenomenon that is caused by incident light and recognized by an user is prevented, and image clarity and contrast ratio that is realized by using an image display device are improved.Type: ApplicationFiled: May 16, 2008Publication date: June 10, 2010Inventors: Sang-Hyuk Im, Yeong-Rae Chang, Jae Pil Koo
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Publication number: 20100130272Abstract: A slide type portable terminal can include a main unit including separated first and second key sections and a first plate coupled to a surface of the main unit and a display unit with a display screen on a front surface and a second plate. The second plate can slide with respect to the first plate and preferably slides along the surface of the main unit to cause the first and second key sections of the main unit to be covered and exposed by the display unit. Further, first and second magnets can be provided on the first and second plates, respectively, so that the same poles of the magnets face each other to provide a repulsive force when they are positioned to face close to each other. According to embodiments of the present invention, there are various advantages in that the portable terminal can be utilized more conveniently and production costs and failure rates thereof can also be reduced.Type: ApplicationFiled: January 27, 2010Publication date: May 27, 2010Inventors: Sang-Hyuk Im, Hyun-Ho Lee, Chang-Il Lee, Kwon-Jin Kang, Red-Heat Oh, Ji-Sung Park
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Publication number: 20100074930Abstract: A method for making a hollow polymer particle having a single, substantially circular opening in its surface.Type: ApplicationFiled: November 30, 2009Publication date: March 25, 2010Applicant: UNIVERSITY OF WASHINGTONInventors: Younan Xia, Sang Hyuk Im, Unyong Jeong
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Publication number: 20100064939Abstract: A siloxane based coating composition having excellent dyeability, abrasion resistance, glossiness and transparency, a preparation method thereof, and an optical lens coated by the coating composition are suggested. The siloxane based coating composition includes organo silane compound, inorganic oxide (H-index filler), solvent and a dyeing improving material. The dyeing improving material adopts nitric acid, hydrochloric acid, phosphoric acid, sodium nitrate, potassium nitrate, silver nitrate, or the like. The siloxane based coating composition shows excellent dyeability owing to the dyeing improving material, excellent abrasion resistance owing to the organo silane compound, and excellent glossiness and transparency, so it may be applied as a coating film on a surface of a plastic lens such as optical lens, industrial safety lens and leisure-purpose goggle that require high transparency.Type: ApplicationFiled: November 15, 2007Publication date: March 18, 2010Applicant: LG CHEM, LTD.Inventors: Sang-Hyuk Im, Do-Hyun Jin, Jong-Pyo Kim, Young-Jun Hong, Seung-Heon Lee
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Patent number: 7660614Abstract: A slide type portable terminal can include a main unit including separated first and second key sections and a first plate coupled to a surface of the main unit and a display unit with a display screen on a front surface and a second plate. The second plate can slide with respect to the first plate and preferably slides along the surface of the main unit to cause the first and second key sections of the main unit to be covered and exposed by the display unit. Further, first and second magnets can be provided on the first and second plates, respectively, so that the same poles of the magnets face each other to provide a repulsive force when they are positioned to face close to each other. According to embodiments of the present invention, there are various advantages in that the portable terminal can be utilized more conveniently and production costs and failure rates thereof can also be reduced.Type: GrantFiled: November 21, 2007Date of Patent: February 9, 2010Assignee: LG Electronics Inc.Inventors: Sang-Hyuk Im, Hyun-Ho Lee, Chang-Il Lee, Kwon-Jin Kang, Red-Heat Oh, Ji-Sung Park
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Patent number: 7651833Abstract: The present invention relates to a method of preparing a photochromic film or plate comprising printing a photochromic substance in the unit of an independent spot on a part or the whole of a basic material and forming a protective layer on the basic material, on which the photochromic substance is coated, so as to protect the photochromic substance. According to the present invention, the photochromic substance is printed in the unit of an independent spot so that the printed unit spots are isolated from each other, thereby prolonging the life of the photochromic substance.Type: GrantFiled: September 6, 2006Date of Patent: January 26, 2010Assignee: LG Chem, Ltd.Inventors: Tae-Sik Kang, Sang-Hyuk Im, Seung-Heon Lee, Young-Jun Hong
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Publication number: 20090262672Abstract: A call processing method and a mobile terminal are provided. The mobile terminal includes a Radio Frequency (RF) receiver including a first input terminal connected to a first incoming signal line and a second input terminal connected to a second incoming signal line, a first RF switch arranged on the first incoming signal line for switching the first incoming line between the first input terminal and an inter-switch line, a second RF switch arranged on the second incoming signal line for switching the second input terminal between the second incoming signal line and the inter-switch line, and a controller for controlling, in a data call session, the first RF switch and the second RF switch to establish a connection of the first incoming signal line and the second incoming signal line during a first period and during a second period.Type: ApplicationFiled: February 25, 2009Publication date: October 22, 2009Applicant: SAMSUNG ELECTRONICS CO. LTD.Inventors: Oun Suk SIN, Sang Hyuk IM
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Patent number: 7520933Abstract: Disclosed is a method of manufacturing colloidal crystals using a confined convective assembly, more particularly, to a method for manufacturing two-dimensional and/or three dimensional colloidal crystals on a substrate by infusing colloidal suspension between two substrates and self-assembling colloidal particles by capillary action. The present invention can control a convective flow moving the colloidal particles to a meniscus generated by removing the solvent of the colloidal suspension. It is possible to manufacture face-to-face two-dimensional colloidal crystals and/or three-dimensional colloidal crystals within a short time using various sizes of colloidal particles through the control of the convective flow of colloidal particles, which are not easily achieved in the existing method.Type: GrantFiled: August 30, 2006Date of Patent: April 21, 2009Assignee: Korea Advanced Institute of Science and TechnologyInventors: O-Ok Park, Mun-Ho Kim, Sang-Hyuk Im
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Publication number: 20080117573Abstract: A slide type portable terminal can include a main unit including separated first and second key sections and a first plate coupled to a surface of the main unit and a display unit with a display screen on a front surface and a second plate. The second plate can slide with respect to the first plate and preferably slides along the surface of the main unit to cause the first and second key sections of the main unit to be covered and exposed by the display unit. Further, first and second magnets can be provided on the first and second plates, respectively, so that the same poles of the magnets face each other to provide a repulsive force when they are positioned to face close to each other. According to embodiments of the present invention, there are various advantages in that the portable terminal can be utilized more conveniently and production costs and failure rates thereof can also be reduced.Type: ApplicationFiled: November 21, 2007Publication date: May 22, 2008Inventors: Sang-Hyuk IM, Hyun-Ho Lee, Chang-ll Lee, Kwon-Jin Kang, Red-Heat Oh, Ji-Sung Park
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Patent number: 7363066Abstract: A slide type portable terminal can include a main unit including separated first and second key sections and a first plate coupled to a surface of the main unit and a display unit with a display screen on a front surface and a second plate. The second plate can slide with respect to the first plate and preferably slides along the surface of the main unit to cause the first and second key sections of the main unit to be covered and exposed by the display unit. Further, first and second magnets can be provided on the first and second plates, respectively, so that the same poles of the magnets face each other to provide a repulsive force when they are positioned to face close to each other. According to embodiments of the present invention, there are various advantages in that the portable terminal can be utilized more conveniently and production costs and failure rates thereof can also be reduced.Type: GrantFiled: February 24, 2004Date of Patent: April 22, 2008Assignee: LG Electronics Inc.Inventors: Sang-Hyuk Im, Hyun-Ho Lee, Chang-Il Lee, Kwon-Jin Kang, Red-Heat Oh, Ji-Sung Park
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Patent number: 7356881Abstract: A swivel hinge can have a first hinge section and a second hinge section coupled to the first hinge section to rotate in a direction perpendicular to the first hinge section. The first and second hinge sections can include first and second magnets configured to relatively position the first and second hinge sections with respect to each other. The swivel can include a stopper engagement section provided at one end of a second hinge shaft to rotate together with the second hinge shaft and a stopper having a surface facing a locking surface of the stopper engagement section to restrict rotation of the second hinge section. The stopper can allow the locking surface of the stopper engagement section to freely rotate when the first hinge section rotates by a predetermined angle. The swivel hinge can operate in a portable terminal.Type: GrantFiled: February 24, 2004Date of Patent: April 15, 2008Assignee: LG Electronics Inc.Inventors: Ji-Sung Park, Red-Heat Oh, Sang-Hyuk Im, Kwon-Jin Kang
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Publication number: 20080053369Abstract: Disclosed is a method of manufacturing colloidal crystals using a confined convective assembly, more particularly, to a method for manufacturing two-dimensional and/or three dimensional colloidal crystals on a substrate by infusing colloidal suspension between two substrates and self-assembling colloidal particles by capillary action. The present invention can control a convective flow moving the colloidal particles to a meniscus generated by removing the solvent of the colloidal suspension. It is possible to manufacture face-to-face two-dimensional colloidal crystals and/or three-dimensional colloidal crystals within a short time using various sizes of colloidal particles through the control of the convective flow of colloidal particles, which are not easily achieved in the existing method.Type: ApplicationFiled: August 30, 2006Publication date: March 6, 2008Applicant: Korean Advanced Institute of Science and TechnologyInventors: O-Ok Park, Mun-Ho Kim, Sang-Hyuk Im
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Publication number: 20080003130Abstract: Methods for producing silver nanostructures with improved dimensional control, yield, purity, monodispersity, and scale of synthesis.Type: ApplicationFiled: February 1, 2007Publication date: January 3, 2008Applicant: University of WashingtonInventors: Younan Xia, Sang-Hyuk Im, Yun Lee, Yugang Sun, Benjamin Wiley
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Publication number: 20070163486Abstract: The present invention relates to colloidal photonic crystals using colloidal nanoparticles and a method for the preparation thereof, wherein by adding a viscoelastic material into a solution containing the colloidal nanoparticles when preparing the colloidal photonic crystals, a uniform volume contraction occurs due to the elasticity of the viscoelastic material even when a nonuniform volume contraction occurs while drying a dispersion medium in the colloidal solution. Thus, it is possible to prepare 2 or 3 dimensional colloidal photonic crystals of large scale with no defects in less time.Type: ApplicationFiled: November 6, 2006Publication date: July 19, 2007Inventors: Young-jun Hong, Sang-hyuk Im
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Publication number: 20070151482Abstract: The present invention relates to a titania sol, a method of preparing the same, and a coating composition including the same. More specifically, it relates to a titania sol prepared by elevating the temperature of a reactant solution including a precursor of titania in a solvent for a reaction temperature, adding an acid catalyst to the reactant solution and conducting a sol-gel reaction while removing the solvent for reaction therefrom, and drying the prepared titania sol and re-dispersing the dried titania in a solvent for dispersion, a method of preparing the same, and a coating composition including the same.Type: ApplicationFiled: November 30, 2006Publication date: July 5, 2007Inventors: Sang-Hyuk Im, Seung-Heon Lee, Young-Jun Hong, Won-Yong Choi