Patents by Inventor Sang-Mi Lee

Sang-Mi 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).

  • Patent number: 9169200
    Abstract: The present invention relates to a polymer supported reagent comprising a novel crosslinked mesoporous polymer, enabling a simple and easy production of an azoxy compound or an azo compound from an aromatic nitro compound, and a method of selectively reducing an aromatic nitro compound by using the same. The polymer supported reagent comprises a certain acrylamide mesoporous crosslinked polymer.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: October 27, 2015
    Assignees: LG CHEM, LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Yang-Kyoo Han, Jin Cho, Sang-Mi Lee, Seung-Hoon Shin
  • Publication number: 20150175773
    Abstract: The present disclosure relates to a polymerization initiator and a modified conjugated diene polymer prepared using the same, and more particularly to a polymerization initiator which is a compound represented by the following formula 1, and a modified conjugated diene polymer prepared using the same: wherein R1 to R5 are each independently hydrogen or a C1-10 alkyl group or its carbanion; n- represents the number of negative charges of the carbanion and is 1- to 5-; M is a metal; and n is equal to the number of carbanions in R1 to R5.
    Type: Application
    Filed: March 3, 2015
    Publication date: June 25, 2015
    Inventors: Ro Mi LEE, Du Weon YOON, Chang Woo KIM, Jun Hyun PARK, Sang Mi LEE
  • Publication number: 20150045474
    Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. Provided are advantageously a modified conjugated diene polymer and a method for preparing the same which provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.
    Type: Application
    Filed: August 1, 2013
    Publication date: February 12, 2015
    Inventors: Ro Mi Lee, Sang Mi Lee, Choon Hwa Lee, Byung Hoon Yoon, Jin Young Kim, Moon Seok Chun
  • Publication number: 20140243476
    Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. The modified conjugated diene polymer and the method for preparing the same advantageously provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.
    Type: Application
    Filed: February 4, 2013
    Publication date: August 28, 2014
    Inventors: Ro Mi Lee, Sang Mi Lee, Choon Hwa Lee, Byung Hoon Yoon, Jin Young Kim, Moon Seok Chun
  • Publication number: 20140235749
    Abstract: Disclosed are an acrylonitrile-acrylate-styrene graft copolymer having a structure including a seed which comprises at least one of an aromatic vinyl compound, a vinyl cyanide compound and an alkyl(meth)acrylate compound, a core which surrounds the seed and comprises alkyl acrylate, and a shell which surrounds the core and comprises at least one of an aromatic vinyl compound, a vinyl cyanide compound and an alkyl(meth)acrylate compound, and having suitably controlled thicknesses and refractive indexes of the respective layers, and a thermoplastic resin composition comprising the acrylonitrile-acrylate-styrene graft copolymer.
    Type: Application
    Filed: July 16, 2013
    Publication date: August 21, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Min Jung Kim, Yong Yeon Hwang, Chun Ho Park, Sang Mi Lee, Yeong Min Lee, Eun Soo Kang, Hye Kyung Han
  • Publication number: 20140163163
    Abstract: The present disclosure relates to a polymerization initiator and a modified conjugated diene polymer prepared using the same, and more particularly to a polymerization initiator which is a compound represented by the following formula 1, and a modified conjugated diene polymer prepared using the same: wherein R1 to R5 are each independently hydrogen or a C1-10 alkylgroup or its carbanion; n? represents the number of negative charges of the carbanion and is 1? to 5?; M is a metal; and n is equal to the number of carbanions in R1 to R5.
    Type: Application
    Filed: December 4, 2013
    Publication date: June 12, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Ro Mi LEE, Du Weon YOON, Chang Woo KIM, Jun Hyun PARK, Sang Mi LEE
  • Publication number: 20140107276
    Abstract: Disclosed are an ASA graft copolymer having a structure including a seed which comprises at least one compound of an aromatic vinyl compound, a vinyl cyan compound and an alkyl (meth)acrylate compound, a core which surrounds the seed and comprises alkyl acrylate, and a shell which surrounds the core, comprises an aromatic vinyl compound, a vinyl cyan compound and a crosslinking agent, and having suitably controlled thicknesses and refractive indexes of the respective layers, and an ASA graft copolymer composition comprising the ASA graft copolymer.
    Type: Application
    Filed: February 1, 2013
    Publication date: April 17, 2014
    Inventors: Min Jung Kim, Yong Yeon Hwang, Chun Ho Park, Hye Kyung Han, Sang Mi Lee
  • Patent number: 8619407
    Abstract: There is provided a multilayered ceramic capacitor capable of being implementing as a micro supercapacitor capable of minimizing a mounting area and increasing a mounting efficiency thereof. The multilayered ceramic capacitor includes a capacitor body in which a plurality of dielectric layers having a size of 1.6 mm in length and 0.8 mm in width are stacked; an internal electrode unit having a plurality of internal electrodes arranged on each of the plurality of dielectric layers; and an external electrode unit, having a plurality of external electrodes horizontally arranged in the capacitor body and electrically connected to the internal electrodes.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: December 31, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd
    Inventors: Tae Sung Si, Kyung Nam Hwang, Sang Mi Lee, Jong Hoon Bae
  • Publication number: 20130253083
    Abstract: The present invention relates to a polymer supported reagent comprising a novel crosslinked mesoporous polymer, enabling a simple and easy production of an azoxy compound or an azo compound from an aromatic nitro compound, and a method of selectively reducing an aromatic nitro compound by using the same. The polymer supported reagent comprises a certain acrylamide mesoporous crosslinked polymer.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 26, 2013
    Applicants: IUCF-HYU (Industry-University Cooperation Foundation Hanyang University), LG Chem, Ltd.
    Inventors: Yang-Kyoo Han, Jin Cho, Sang-Mi Lee, Seung-Hoon Shin
  • Patent number: 8503123
    Abstract: An optical filter including: a base film; and a function incorporation layer on the base film and for shielding electromagnetic interference and absorbing external light, the function incorporation layer having a cross mesh pattern, wherein the cross mesh pattern includes a plurality of pattern lines, and wherein at least a part of the cross mesh pattern protrudes from a surface of the function incorporation layer facing toward the reflection prevention layer.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: August 6, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Cha-Won Hwang, Sang-Mi Lee
  • Patent number: 8390929
    Abstract: A display panel easily implements reflection color of a display. The display panel includes a panel which has a plate shape to implement an image, and an optical filter which is attached to the panel. The optical filter includes a color compensating layer which implements transmittance color by controlling transmittance light passing from an interior to an exterior of the panel, and a reflection layer which implements reflection color by controlling reflection light which is incident from the exterior to the panel, and which is reflected.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: March 5, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Cha-Won Hwang, Sang-Mi Lee
  • Patent number: 8227972
    Abstract: A display filter includes a base film disposed on a display panel. The base film includes a phototransmissive unit having a constant horizontal cross-sectional area, and a light absorbing unit which includes a light absorbing material and surrounds the phototransmissive unit. A plasma display panel (PDP) may include the display filter. The display filter may improve ambient contrast by increasing the transmittance of light emitted by a display panel and by blocking externally incident light.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: July 24, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yeon-Joo Choi, Cha-Won Hwang, Sang-Mi Lee, Seung-Goo Baek
  • Publication number: 20120162199
    Abstract: In an apparatus and a method for displaying a three-dimensional augmented reality, an apparatus to display a three-dimensional augmented reality includes an object area detecting unit to detect a first object area of a left image frame of a three-dimensional image and a second object area of a right image frame of the three-dimensional image based on a selected object of the three-dimensional image; and a frame adjusting unit to adjust the left image frame and the right image frame to change a three-dimensional effect of the selected object.
    Type: Application
    Filed: September 2, 2011
    Publication date: June 28, 2012
    Applicant: PANTECH CO., LTD.
    Inventors: KEUN YOUNG LEE, KYUN YOUNG BAEK, JUNG-AH YANG, SANG-MI LEE, HYUN-SOOK LEE
  • Publication number: 20120134067
    Abstract: There is provided a multilayered ceramic capacitor capable of being implementing as a micro supercapacitor capable of minimizing a mounting area and increasing a mounting efficiency thereof. The multilayered ceramic capacitor includes a capacitor body in which a plurality of dielectric layers having a size of 1.6 mm in length and 0.8 mm in width are stacked; an internal electrode unit having a plurality of internal electrodes arranged on each of the plurality of dielectric layers; and an external electrode unit, having a plurality of external electrodes horizontally arranged in the capacitor body and electrically connected to the internal electrodes.
    Type: Application
    Filed: February 10, 2011
    Publication date: May 31, 2012
    Inventors: Tae Sung SI, Kyung Nam Hwang, Sang Mi Lee, Jong Hoon Bae
  • Publication number: 20110031872
    Abstract: A display filter includes a base film disposed on a display panel. The base film includes a phototransmissive unit having a constant horizontal cross-sectional area, and a light absorbing unit which includes a light absorbing material and surrounds the phototransmissive unit. A plasma display panel (PDP) may include the display filter. The display filter may improve ambient contrast by increasing the transmittance of light emitted by a display panel and by blocking externally incident light.
    Type: Application
    Filed: July 1, 2010
    Publication date: February 10, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Yeon-Joo Choi, Cha-Won Hwang, Sang-Mi Lee, Seung-Goo Baek
  • Publication number: 20110032344
    Abstract: A display apparatus for switching between 2-dimensional (2D) and 3-dimensional (3D) image displaying modes is disclosed. In one embodiment, the display apparatus includes: i) a display unit configured to emit light, ii) a first optical sheet configured to input the emitted light and output a first refracted light and iii) a second optical sheet configured to input the first refracted light and selectively output one of a second refracted light and a third refracted light, wherein the first optical sheet is located between the display unit and second optical sheet.
    Type: Application
    Filed: June 14, 2010
    Publication date: February 10, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Yeon-Joo Choi, Cha-Won Hwang, Sang-Mi Lee, Seung-Goo Baek
  • Patent number: 7795198
    Abstract: In a composition for removing a polymeric contaminant that may remain on an apparatus for manufacturing a semiconductor device and a method of removing a polymeric contaminant using the composition, the composition includes from about 5 to 10 percent by weight of a fluoride salt, from about 5 to 15 percent by weight of an acid or a salt thereof, and from about 75 to 90 percent by weight of an aqueous solution of glycol. The composition can effectively remove the polymeric contaminant from the apparatus within a relatively short period of time, and suppress damages to parts of the apparatus.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: September 14, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Mi Lee, Kwang-Shin Lim, Jung-Dae Park, Tae-Hyo Choi
  • Publication number: 20100165469
    Abstract: An optical filter including: a base film; and a function incorporation layer on the base film and for shielding electromagnetic interference and absorbing external light, the function incorporation layer having a cross mesh pattern, wherein the cross mesh pattern includes a plurality of pattern lines, and wherein at least a part of the cross mesh pattern protrudes from a surface of the function incorporation layer facing toward the reflection prevention layer.
    Type: Application
    Filed: December 16, 2009
    Publication date: July 1, 2010
    Inventors: Cha-Won Hwang, Sang-Mi Lee
  • Publication number: 20100149637
    Abstract: An optical filter including: a polarizing film; and a plurality of phase delay films laminated on one side of the polarizing film, the optical axes of the phase delay films crossing each other, the plurality of phase delay films phase-delaying light having wavelengths in the visible range incident through the polarizing film and phase-delaying light reflected from a surface, thereby allowing the incident light to be interfered with and offset by the reflected light.
    Type: Application
    Filed: November 23, 2009
    Publication date: June 17, 2010
    Inventors: Do-Hyuk Kwon, Sung-Yong Lee, Cha-Won Hwang, Sang-Mi Lee, Seung-Goo Baek
  • Publication number: 20100142052
    Abstract: A display panel easily implements reflection color of a display. The display panel according to the present invention includes a panel which has a plate shape to implement an image, and an optical filter which is attached to the panel. The optical filter includes a color compensating layer which implements transmittance color by controlling transmittance light passing from an interior to an exterior of the panel, and a reflection layer which implements reflection color by controlling reflection light which is incident from the exterior to the panel, and which is reflected.
    Type: Application
    Filed: December 7, 2009
    Publication date: June 10, 2010
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Cha-Won Hwang, Sang-Mi Lee