Patents by Inventor Sang Ick Lee

Sang Ick 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).

  • Publication number: 20170125243
    Abstract: Provided are a novel amino-silyl amine compound and a manufacturing method of a dielectric film containing Si—N bond using the same. Since the amino-silyl amine compound according to the present invention, which is a thermally stable and highly volatile compound, may be treated at room temperature and used as a liquid state compound at room temperature and pressure, the present invention provides a manufacturing method of a high purity dielectric film containing a Si—N bond even at a low temperature and plasma condition by using atomic layer deposition (PEALD).
    Type: Application
    Filed: June 4, 2015
    Publication date: May 4, 2017
    Applicant: DNF CO., LTD.
    Inventors: Se Jin JANG, Sang-Do LEE, Jong Hyun KIM, Sung Gi KIM, Sang Yong JEON, Byeong-il YANG, Jang Hyeon SEOK, Sang Ick LEE, Myong Woon KIM
  • Patent number: 9586979
    Abstract: Provided are a novel amino-silyl amine compound, a method for preparing the same, and a silicon-containing thin-film using the same, wherein the amino-silyl amine compound has thermal stability and high volatility and is maintained in a liquid state at room temperature and under a pressure where handling is easy to thereby form a silicon-containing thin-film having high purity and excellent physical and electrical properties by various deposition methods.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: March 7, 2017
    Assignee: DNF CO., LTD.
    Inventors: Se Jin Jang, Sang-Do Lee, Sung Gi Kim, Byeong-il Yang, Jang Hyeon Seok, Sang Ick Lee, Myong Woon Kim
  • Patent number: 9514857
    Abstract: A zinc oxide (ZnO) precursor and a method of depositing a ZnO-based thin film using the same, with which a high-quality and high-purity ZnO-based thin film can be deposited. The ZnO precursor includes a mixture solvent containing at least two organic solvents which are mixed and a source material comprising diethyl zinc or dimethyl zinc which is diluted in the mixture solvent.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: December 6, 2016
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: SooHo Park, JongSe Park, Young Zo Yoo, Joo Young Lee, Seo Hyun Kim, Gun Sang Yoon, Myong Woon Kim, Hyung Soo Shin, Seung Ho Yoo, Sang Do Lee, Sang Ick Lee, Sang Jun Yim
  • Publication number: 20160333030
    Abstract: Provided are a novel trisilyl amine derivative, a method for preparing the same, and a silicon-containing thin film using the same, wherein the trisilyl amine derivative, which is a compound having thermal stability, high volatility, and high reactivity and being present in a liquid state at room temperature and under pressure where handling is possible, may form a high purity silicon-containing thin film having excellent physical and electrical properties by various deposition methods.
    Type: Application
    Filed: January 8, 2015
    Publication date: November 17, 2016
    Applicant: DNF CO., LTD.
    Inventors: Se Jin Jang, Sang-Do Lee, Jong Hyun Kim, Sung Gi Kim, Do Yeon Kim, Byeong-il Yang, Jang Hyeon Seok, Sang Ick Lee, Myong Woon Kim
  • Publication number: 20160326193
    Abstract: Provided are a novel cyclodisilazane derivative, a method for preparing the same, and a silicon-containing thin film using the same, wherein the cyclodisilazane derivative having thermal stability, high volatility, and high reactivity and being present in a liquid state at room temperature and under a pressure where handling is easy, may form a high purity silicon-containing thin film having excellent physical and electrical properties by various deposition methods.
    Type: Application
    Filed: January 8, 2015
    Publication date: November 10, 2016
    Inventors: Se Jin Jang, Byeong-il Yang, Sung Gi Kim, Jong Hyun Kim, Do Yeon Kim, Sang-Do Lee, Jang Hyeon Seok, Sang Ick Lee, Myong Woon Kim
  • Publication number: 20160200853
    Abstract: The present invention relates to a novel multipurpose polymer and a composition containing the same. The polymer and the composition of the present invention are very useful for preparing a semiconductor device having very good mechanical and optical properties.
    Type: Application
    Filed: August 22, 2014
    Publication date: July 14, 2016
    Applicant: SKC CO., LTD.
    Inventors: Joo Hyeon PARK, Myong Woon KIM, Sang Ick LEE, Tae Seok BYUN, Seung SON, Yong Hee KWONE, In Kyung JUNG, Joon Sung RYOU
  • Publication number: 20160122369
    Abstract: Provided are a novel amino-silyl amine compound, a method for preparing the same, and a silicon-containing thin-film using the same, wherein the amino-silyl amine compound has thermal stability and high volatility and is maintained in a liquid state at room temperature and under a pressure where handling is easy to thereby form a silicon-containing thin-film having high purity and excellent physical and electrical properties by various deposition methods.
    Type: Application
    Filed: June 5, 2014
    Publication date: May 5, 2016
    Inventors: Se Jin JANG, Sang-Do LEE, Sung Gi KIM, Byeong-il YANG, Jang Hyeon SEOK, Sang Ick LEE, Myong Woon KIM
  • Patent number: 9245740
    Abstract: Provided are a novel amino-silyl amine compound, a method for preparing the same, and a silicon-containing thin-film using the same, wherein the amino-silyl amine compound has thermal stability and high volatility and is maintained in a liquid state at room temperature and under a pressure where handling is easy to thereby form a silicon-containing thin-film having high purity and excellent physical and electrical properties by various deposition methods.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: January 26, 2016
    Assignee: DNF Co., Ltd.
    Inventors: Se Jin Jang, Sang Do Lee, Sung Gi Kim, Jong Hyun Kim, Byeong Il Yang, Jang Hyeon Seok, Sang Ick Lee, Myong Woon Kim
  • Publication number: 20150299353
    Abstract: The present invention relates to a new transition metal compound based on cyclopenta[b]fluorenyl group, a transition metal catalyst composition containing the same and having high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethylene and one ?-olefin, a method of preparing an ethylene homopolymer or a copolymer of ethylene and ?-olefin using the same, and the prepared ethylene homopolymer or the copolymer of ethylene and ?-olefin.
    Type: Application
    Filed: July 1, 2015
    Publication date: October 22, 2015
    Inventors: Dong Cheol Shin, Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim
  • Publication number: 20150255276
    Abstract: An organometallic precursor is represented by a chemical formula of Xn(M)(R1)m(R2)k. M is a central metal. X is a ligand of M and one of 6,6-dimethylfulvenyl, indenyl, cyclopentadienyl and cyclopentadienyl substituted with an amino group. R1 and R2 are ligands of M, and each independently an amino group or an ethylenediamino group. Each n, m and k is a positive integer, and a sum of n, m and k is equal to 3 or 4.
    Type: Application
    Filed: February 2, 2015
    Publication date: September 10, 2015
    Inventors: Youn-Joung CHO, Youn-Soo KIM, Sang-Jun YIM, Myong-Woon KIM, Sang-Ick LEE, Sang-Chul YOUN
  • Patent number: 9130230
    Abstract: The present invention relates to a negative electrode active material for an electrode mixture, and to an electrochemical cell comprising the negative electrode active material, wherein the negative electrode active material comprises an amorphous carbonaceous material and a doping element, and exhibits, in the temperature range of 450° C. to 950° C., at least two peaks of derivative weight change calculated by thermogravimetric analysis, and exhibits a maximum heat peak output of 20 mW to 60 mW as measured by differential scanning calorimetry.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: September 8, 2015
    Assignee: GS CALTEX CORPORATION
    Inventors: Do Young Seung, Sang Ick Lee, Tae Hyun Jeon, Ki Joo Hong, Ung Ju Lee, Dong Shin Kim
  • Patent number: 9120884
    Abstract: The present invention relates to a new transition metal compound based on cyclopenta[b]fluorenyl group, a transition metal catalyst composition containing the same and having high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethylene and one ?-olefin, a method of preparing an ethylene homopolymer or a copolymer of ethylene and ?-olefin using the same, and the prepared ethylene homopolymer or the copolymer of ethylene and ?-olefin.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: September 1, 2015
    Assignee: SK Innovation Co., Ltd.
    Inventors: Dong Cheol Shin, Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim
  • Patent number: 9031799
    Abstract: The present invention relates to an electrical safety diagnosis system and apparatus, which are configured to enable sensed data on user surroundings in a U-city environment, such as electrical safety data for switchboards and distribution boards, and water leakages, faulty outlet connections, etc., to be managed remotely by a server at a U-city integrated information center. In particular, the present invention relates to an electrical safety diagnosis system and apparatus which use a U-city integrated information network to preemptively perform checking and analyzes for potential electrically-induced disasters that can occur in public facilities, stores, buildings, and homes within a U-city, by means of a U-city integrated information center, and prevent electrical fires or shocks at the electrical equipment of switchboards or distribution boards, and dangerous conditions (such as water leakages, abnormal temperatures, gas, and faulty outlet connections) in facilities used by users.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: May 12, 2015
    Assignee: Korea Electrical Safety Corporation
    Inventors: Seok Myoung Bae, Sang Ick Lee, Gi Hyun Kim
  • Patent number: 8932389
    Abstract: A zinc oxide precursor for use in deposition of a zinc oxide-based thin film contains a zincocene having the following formula or a derivative thereof: where R1 and R2 are hydrogen or CnH2n+1. The n is a number selected from 1 to 3, and the R1 and R2 is one selected from the group consisting of hydrogen, a methyl group, an ethyl group and an i-propyl group. A method of depositing a zinc oxide-based thin film includes the following steps of: loading a substrate into a deposition chamber; and supplying the above-described zinc oxide precursor and an oxidizer into the deposition chamber and forming a zinc oxide-based thin film on the substrate via chemical vapor deposition. In an exemplary embodiment, the zinc oxide-based thin film may be formed on the substrate via atmospheric pressure chemical vapor deposition.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: January 13, 2015
    Assignee: Samsung Corning Precision Materials Co., Ltd.
    Inventors: Sooho Park, Seohyun Kim, Jeongwoo Park, Taejung Park, YoungZo Yoo, GunSang Yoon, Eun-Ho Choi, Myong Woon Kim, Bogyeong Kim, Hyung Soo Shin, Seung Ho Yoo, Sang Do Lee, Sang Ick Lee, Sang Jun Yim
  • Patent number: 8921499
    Abstract: The present invention relates to a method of preparing an ethylene-?-olefin-diene copolymer and an ethylene-?-olefin-diene copolymer prepared thereby, by using a transition metal compound based on a cyclopenta[b]fluorenyl group as a catalyst.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: December 30, 2014
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Dong Cheol Shin, Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim
  • Publication number: 20140363985
    Abstract: Provided are a novel amino-silyl amine compound, a method for preparing the same, and a silicon-containing thin-film using the same, wherein the amino-silyl amine compound has thermal stability and high volatility and is maintained in a liquid state at room temperature and under a pressure where handling is easy to thereby form a silicon-containing thin-film having high purity and excellent physical and electrical properties by various deposition methods.
    Type: Application
    Filed: June 4, 2014
    Publication date: December 11, 2014
    Inventors: Se Jin Jang, Sang Do Lee, Sung Gi Kim, Jong Hyun Kim, Byeong IL Yang, Jang Hyeon Seok, Sang Ick Lee, Myong Woon Kim
  • Patent number: 8858694
    Abstract: A zinc oxide precursor for use in deposition of a zinc oxide-based thin film contains an alkyl zinc halide having the following formula: R—Zn—X, where R is an alkyl group CnH2n+1, and X is a halogen group. The n is a number ranging from 1 to 4, and the alkyl group is one selected from among a methyl group, an ethyl group, an i-propyl group and a t-butyl group. The halogen group contains one selected from among F, Br, Cl and I. A method of depositing a zinc oxide-based thin film includes loading a substrate into a deposition chamber; and supplying the zinc oxide precursor which contains the above-described alkyl zinc halide and an oxidizer into the deposition chamber and forming a zinc oxide-based thin film on the substrate via chemical vapor deposition. The zinc oxide-based thin film is deposited on the substrate via atmospheric pressure chemical vapor deposition.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: October 14, 2014
    Assignee: Samsung Corning Precision Materials Co., Ltd.
    Inventors: Sooho Park, Seohyun Kim, Jeongwoo Park, Taejung Park, Young Zo Yoo, GunSang Yoon, Eun-Ho Choi, Myong Woon Kim, Bogyeong Kim, Hyung Soo Shin, Seung Ho Yoo, Sang Do Lee, Sang Ick Lee, Sang Jun Yim
  • Publication number: 20140179885
    Abstract: The present invention relates to a method of preparing an ethylene-?-olefin-diene copolymer and an ethylene-?-olefin-diene copolymer prepared thereby, by using a transition metal compound based on a cyclopenta[b]fluorenyl group as a catalyst.
    Type: Application
    Filed: June 8, 2012
    Publication date: June 26, 2014
    Applicants: SK GLOBAL CHEMICAL CO., LTD., SK INNOVATION CO., LTD.
    Inventors: Dong Cheol Shin, Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim
  • Publication number: 20140099443
    Abstract: A zinc oxide (ZnO) precursor and a method of depositing a ZnO-based thin film using the same, with which a high-quality and high-purity ZnO-based thin film can be deposited. The ZnO precursor includes a mixture solvent containing at least two organic solvents which are mixed and a source material comprising diethyl zinc or dimethyl zinc which is diluted in the mixture solvent.
    Type: Application
    Filed: October 9, 2013
    Publication date: April 10, 2014
    Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.
    Inventors: SooHo Park, JongSe Park, Young Zo Yoo, Joo Young Lee, Seo Hyun Kim, Gun Sang Yoon, Myong Woon Kim, Hyung Soo Shin, Seung Ho Yoo, Sang Do Lee, Sang Ick Lee, Sang Jun Yim
  • Publication number: 20130225834
    Abstract: The present invention relates to a new transition metal compound based on cyclopenta[b]fluorenyl group, a transition metal catalyst composition containing the same and having high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethylene and one ?-olefin, a method of preparing an ethylene homopolymer or a copolymer of ethylene and ?-olefin using the same, and the prepared ethylene homopolymer or the copolymer of ethylene and ?-olefin.
    Type: Application
    Filed: June 8, 2012
    Publication date: August 29, 2013
    Applicants: SK GLOBAL CHEMICAL CO., LTD., SK INNOVATION CO., LTD.
    Inventors: Dong Cheol Shin, Ho Seong Lee, Seong Kyun Kim, Sang Ick Lee, Sun Young Kim, Jong Sok Hahn, Chan Woong Jeon, Jeong Hwan Kim