Patents by Inventor Jung-woo Seo

Jung-woo Seo 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: 20200233252
    Abstract: A substrate having a spacer thereon and an optical device including the same are disclosed herein. In some embodiments, a substrate includes a base layer, a transparent column spacer formed on the base layer, and a black layer present between the transparent column spacer and the base layer. In some embodiments, an alignment film is present on the spacer.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Nam Seok Bae, Seung Heon Lee, Song Ho Jang, Dong Hyun Oh, Jin Woo Park, Ji Young Hwang, Jung Sun You, Han Min Seo, Cheol Ock Song
  • Patent number: 10717859
    Abstract: The present invention relates to a composition for preparing a SAN copolymer, a SAN copolymer, a preparation method therefor, a heat-resistant ABS resin blend comprising the same, and heat-resistant ABS pellets. Specifically, the present invention provides a composition for preparing a SAN copolymer, the composition comprising a monomer mixture, and ethylene glycol dimethacrylate as a chain extender, wherein the monomer mixture comprises 60 to 75 wt % of an ?-methylstyrene monomer and 25 to 40 wt % of an acrylonitrile-based monomer based on the total weight of the monomer mixture; and the ethylene glycol dimethacrylate is contained in an amount of 0.001 to 0.15 parts by weight based on 100 parts by weight of the monomer mixture.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Gyu Sun Kim, Chang Hun Han, Dae Woo Lee, Jae Bum Seo, Jung Tae Park, Eun Jung Choi, Byoung Il Kang, Da Eun Sung
  • Patent number: 10700074
    Abstract: A semiconductor device can include a plurality of landing pads arranged according to a layout on a substrate, wherein a cross-sectional shape of each of the landing pads has a diamond shape so that opposing interior angles of the diamond shape are equal to one another and adjacent interior angles of the diamond shape are unequal to one another.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: June 30, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Kyum Kim, Jung-Woo Seo, Sung-Un Kwon
  • Patent number: 10696766
    Abstract: The present invention provides a styrene-acrylonitrile (SAN) resin that exhibits significantly improved thermal resistance and, at the same time, can be produced at high productivity and is highly processable and highly moldable; and a method of producing the same by preparing and storing the solution containing a mixture of an N-substituted maleimide monomer and an unsaturated nitrile monomer at a particular temperature, introducing the solution and a styrene polymer into the polymerization reactor separately, and maintaining the first polymerization reactor and the second polymerization reactor at particular respective temperatures, thereby significantly reducing the amounts of oligomers contained in the SAN resin.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: June 30, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jae Bum Seo, Dae Woo Lee, Jung Tae Park, Gyu Sun Kim, Chang Hun Han
  • Publication number: 20200199280
    Abstract: Provided are a method for preparing a graft copolymer and a graft copolymer prepared thereby, the method comprising: preparing a reaction solution comprising a copolymer comprising a unit derived from a diene-based monomer and a unit derived from an alkene-based monomer, an aromatic vinyl-based monomer, a vinyl cyan-based monomer, and a reaction solvent; and adding the reaction solution to perform primary bulk polymerization at 100 to 110° C., wherein the copolymer comprises the unit derived from a diene-based monomer in an amount of 5 to 10 wt %, and the graft copolymer has an average rubber particle size of 2 to 5?m.
    Type: Application
    Filed: October 26, 2018
    Publication date: June 25, 2020
    Inventors: Jae Bum SEO, Dae Woo LEE, Jung Tae PARK, Gyu Sun KIM, Ji Uk JANG
  • Publication number: 20200176455
    Abstract: A semiconductor device can include a plurality of landing pads arranged according to a layout on a substrate, wherein a cross-sectional shape of each of the landing pads has a diamond shape so that opposing interior angles of the diamond shape are equal to one another and adjacent interior angles of the diamond shape are unequal to one another.
    Type: Application
    Filed: February 5, 2020
    Publication date: June 4, 2020
    Inventors: Jun-Kyum KIM, Jung-Woo SEO, Sung-Un KWON
  • Publication number: 20200164198
    Abstract: The present invention provides a microjet drug injection device equipped with a backflow prevention valve, the microjet drug injection device comprising an upper housing, a lower housing, a compartment, and a backflow prevention valve.
    Type: Application
    Filed: July 3, 2018
    Publication date: May 28, 2020
    Applicant: JSKBIOMED INC.
    Inventors: Jin Woo JEON, Jung Kook KIM, Seung Dal SEO, Jun Hak PARK
  • Publication number: 20200169420
    Abstract: A method for managing an enrollment certificate in an SCMS for V2X communication may comprise receiving a message requesting an authority for generating a CSR from a DCM; updating device certification data through a certification laboratory that manages performance and requirements of an EE, and verifying the EE that requested issuance of an enrollment certificate to the DCM by using the updated device certification data; transmitting response data indicating the authority for generating a CSR to the DCM based on a result of the verification; receiving a CSR generated according to the response data from the DCM; and verifying the received CSR, and requesting response data for the CSR to an ECA based on a result of the verification.
    Type: Application
    Filed: August 30, 2019
    Publication date: May 28, 2020
    Inventors: Seok Woo LEE, Duk Soo KIM, Eui Seok KIM, Sang Gyoo SIM, Jong Guk LEE, Dong Hoon KO, Jung Ook KIM, Sang Won SEO, Jeong Eun KI, Seung Hoon LEE
  • Publication number: 20200116847
    Abstract: A vehicle passenger detection device, a system including the same, and a method thereof are provided. The vehicle passenger detection device includes a processor configured to determine a location of a passenger per at least one or more seats based on strength of radar signals reflected from the at least one or more seats including medium with different reflection characteristics and a storage storing information associated with strength of a radar signal for each distance and information associated with strength of a radar signal according to the reflection characteristics of the medium.
    Type: Application
    Filed: August 21, 2019
    Publication date: April 16, 2020
    Inventors: Seul Ki Jeon, Gyun Ha Kim, Eung Hwan Kim, Beom Young Oh, Sung Ho Cho, Jung Woo Choi, Tae Gon Lim, Jae Ho Huh, Bong Gi Song, Joo Seong Seo
  • Patent number: 10616874
    Abstract: A method for transmitting information of resources for use in transmission of ACK/NACK signals in a mobile communication system is disclosed. An example method for receiving ACK/NACK signals in a mobile communication system is also disclosed. When resources for transmission of data and resources for transmission of control information of the data are scheduled through virtual unit resources, the method identifies information of resources for receiving an ACK/NACK signal for transmission data mapped to information of at least one of a virtual unit resource allocated to the transmission data and a virtual unit resource allocated to control information of the transmission data, and receives the ACK/NACK signal for the transmission data through the information of resources for receiving the ACK/NACK signal.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: April 7, 2020
    Assignee: LG Electronics Inc.
    Inventors: Dae Won Lee, Bong Hoe Kim, Young Woo Yun, Ki Jun Kim, Dong Wook Roh, Suk Hyon Yoon, Joon Kui Ahn, Dong Youn Seo, Hak Seong Kim, Jung Hoon Lee, Eun Sun Kim, Sung Duk Choi
  • Publication number: 20200106198
    Abstract: A block terminal for a motor includes a block base, a busbar, bushings, and fixing nuts. The busbar is disposed in the block base and includes end portions protruding outward from the block base. The end portions include coupling holes. The bushings are mounted on sides of the block base. The fixing nuts are insert-mounted in the coupling holes of the busbar.
    Type: Application
    Filed: September 19, 2019
    Publication date: April 2, 2020
    Inventors: Yeong Woo SEO, Jung Kyu YIM
  • Patent number: 10570229
    Abstract: The present invention relates to a method of preparing a styrene-based resin having a low oligomer content and a styrene-based resin prepared thereby. The preparation method according to the present invention may prepare a styrene-based resin having a reduced oligomer content by using a polymerization initiator having a 1 hour half-life temperature, which is 5° C. to 25° C. lower than a temperature during polymerization, and controlling devolatilization conditions.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: February 25, 2020
    Assignee: LG Chem, LTD.
    Inventors: Jae Bum Seo, Chang Hun Han, Dae Woo Lee, Jung Tae Park, Gyu Sun Kim
  • Patent number: 10573653
    Abstract: A semiconductor device can include a plurality of landing pads arranged according to a layout on a substrate, wherein a cross-sectional shape of each of the landing pads has a diamond shape so that opposing interior angles of the diamond shape are equal to one another and adjacent interior angles of the diamond shape are unequal to one another.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Kyum Kim, Jung-Woo Seo, Sung-Un Kwon
  • Publication number: 20200040115
    Abstract: The present invention relates to a copolymer including 20 to 65 wt % of units derived from an alkyl styrene-based monomer; 10 to 40 wt % of units derived from a (meth)acrylate-based monomer; and 20 to 40 wt % of units derived from vinyl cyan-based monomer, based on the total weight of the copolymer, wherein the residual monomer content is 780 ppm or less, and a method for preparing the same.
    Type: Application
    Filed: July 26, 2018
    Publication date: February 6, 2020
    Inventors: Jae Bum SEO, Dae Woo LEE, Jung Tae PARK, Gyu Sun KIM, Ji Uk JANG
  • Patent number: 10554108
    Abstract: A resolver is installed inside a housing of a motor. A stator of the resolver has a three layered core. a main layer of an electric steel sheet, a first shielding layer of a magnetic metal, a second shielding layer interposed between the domain layer and the first to shielding layer. The second shielding layer is made of a non-magnetic material.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: February 4, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Myung Kyu Jeong, Jung Woo Lee, Jae Min Yu, Ga Eun Lee, Young Jin Seo
  • Publication number: 20200015232
    Abstract: A method of allocating radio resources in a multi-carrier system is disclosed, by which a signaling message can be efficiently transmitted according to necessity of a user equipment. In a user equipment of a mobile communication system transceiving data using a plurality of subcarriers, the present invention includes the steps of if the signaling message to be transmitted is generated in the user equipment, generating a preamble sequence according to a user equipment identifier to identify the user equipment, transmitting a preamble signal including the preamble sequence and the signaling message to a base station, and receiving an acknowledgement signal for the preamble signal generated according to the user equipment identifier.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Inventors: Hak Seong Kim, Bong Hoe Kim, Joon Kui Ahn, Dong Youn Seo, Jung Hoon Lee, Young Woo Yun, Suk Hyon Yoon, Eun Sun Kim, Ki Jun Kim
  • Patent number: 10519262
    Abstract: The present invention provides a method of preparing an aromatic vinyl-unsaturated nitrile-based copolymer in which, when an aromatic vinyl-unsaturated nitrile-based copolymer in which a content of a structural unit derived from unsaturated nitrile monomers in the copolymer is in the range of 22 to 30 wt % is prepared, oligomer content and unreacted monomer content are decreased, resulting in excellent heat resistance, significantly improved surface quality, and particularly, reduced generation of residue on a product surface when used in a closed high temperature environment and reduced occurrence of mold deposits during injection molding, and an aromatic vinyl-unsaturated nitrile-based copolymer prepared using the method.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: December 31, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Dae Woo Lee, Chang Hun Han, Jae Bum Seo, Jung Tae Park, Gyu Sun Kim
  • Publication number: 20190386009
    Abstract: A semiconductor device can include a plurality of landing pads arranged according to a layout on a substrate, wherein a cross-sectional shape of each of the landing pads has a diamond shape so that opposing interior angles of the diamond shape are equal to one another and adjacent interior angles of the diamond shape are unequal to one another.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Inventors: Jun-Kyum KIM, Jung-Woo SEO, Sung-Un KWON
  • Publication number: 20190365640
    Abstract: Lactobacilus reuteri CH53 strain has high productivity of 1,3-propanediol from glycerol and uses thereof. It is confirmed that Lactobacilus reuteri CH53 strain is capable of converting at very high yield glycerol or crude glycerol to high-concentration 1,3-propanediol. Since Lactobacilus reuteri CH53 strain of the present invention capable of producing large amounts of 1,3-propanediol is one kind of lactic acid bacteria that are safe for humans (GRAS, Generally Recognized As Safe), when it is used for producing 1,3-propanediol from crude glycerol, it would be very advantageously used, unlike existing GMO strains, in related industries from the viewpoint of safety or environment and also providing an advantage of recycled use of resources.
    Type: Application
    Filed: November 27, 2017
    Publication date: December 5, 2019
    Inventors: Chul Ho KIM, Baek Rock OH, Jeong-Woo SEO, Sun-Yeon HEO, Jung Hyun JU
  • Patent number: 10470888
    Abstract: The present invention relates to an insert unit inserted during an artificial knee joint operation. An insert unit for an artificial knee joint according to an embodiment of the present invention includes a tibial member configured for coupling to the end of the tibia during an artificial knee joint operation, an insert configured for coupling to an upper side of the tibial member, and a locking rod coupling together the tibial member and the insert by penetrating through the tibial member and the insert, wherein the locking rod comprises a head portion formed at the upper end, and the head portion comprises a lip protruding outward to provide a constraint in relation to the insert during an articular movement such that the locking rod does not dig into the tibial member, to increase a coupling strength of the insert unit.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: November 12, 2019
    Assignee: Corentec Co., Ltd.
    Inventors: Doo-Hun Sun, Goon-Hee Lee, Oui-Sik Yoo, Jung-Woo Seo, Yeo-Kyung Kang