Patents by Inventor Jin Young Park

Jin Young Park 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: 10189920
    Abstract: Provided are a hybrid supported catalyst system and a method of preparing a polyolefin using the same. The hybrid supported catalyst system according to the present invention may be used to perform oligomerization and copolymerization of olefin monomers in a single reactor at the same time with high efficiency without a separate process of preparing alpha-olefin. Therefore, costs for preparing or purchasing comonomers which are expensive raw materials may be reduced, thereby reducing the production cost of a final product.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: January 29, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Seung Mi Lee, Yong Ho Lee, Jin Young Park, Ki Soo Lee, Eun Ji Shin, Seok Pil Sa
  • Publication number: 20190027376
    Abstract: A method for fabricating a semiconductor device includes forming an insulating layer on a substrate; forming a first mask pattern including silicon on the insulating layer and forming a second mask pattern including an oxide on the first mask pattern; forming a coating layer that includes carbon and which covers an upper surface of the insulating layer, a sidewall of the first mask pattern, and the second mask pattern; removing a portion of the coating layer and the second mask pattern; forming a metal layer on an upper surface of the first mask pattern and on a sidewall of the coating layer; exposing the upper surface of the insulating layer by removing the coating layer; and etching the insulating layer by using the first mask pattern and the metal layer as a mask.
    Type: Application
    Filed: January 4, 2018
    Publication date: January 24, 2019
    Inventors: JUN HO YOON, Jae Hong Park, DA IL EOM, Sung Yeon Kim, Jin Young Park, Yong Moon Jang
  • Patent number: 10179752
    Abstract: The present invention relates to a 1-octene composition. The 1-octene composition according to the present invention is prepared by ethylene oligomerization and comprises a high content of 1-octene and monomers useful for copolymerization of 1-octene at the same time.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: January 15, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Yong Ho Lee, Seok Pil Sa, Eun Ji Shin, Ki Soo Lee, Jin Young Park, Seul Ki Im, Yoon Ki Hong
  • Patent number: 10173948
    Abstract: The present disclosure relates to a method for oligomerization of olefins. The method for oligomerization of olefins according to the present disclosure not only provides excellent catalytic activity and stable process operation, but also exhibits high selectivity to 1-hexene or 1-octene by using a catalyst system including an activity modifier.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: January 8, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Seul Ki Im, Yong Ho Lee, Eun Ji Shin, Ki Soo Lee, Jin Young Park, Seok Pil Sa, Yoon Ki Hong
  • Publication number: 20190004214
    Abstract: The present invention relates to an antireflection film including a low refractive index layer and a hard coating layer, the low refractive index layer including: a binder resin containing a crosslinked polymer of a photopolymerizable compound and a polysilsesquioxane substituted with one or more reactive functional groups; and inorganic fine particles dispersed in the binder resin, wherein a 10-point average roughness (Rz) of the shape of irregularities on the surface of the low refractive index layer is 0.05 ?m to 0.2 ?m.
    Type: Application
    Filed: March 9, 2017
    Publication date: January 3, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Boo Kyung KIM, Yeong Rae CHANG, Jae Hoon SHIM, Jin Young PARK, Jae Pil KOO
  • Publication number: 20180339289
    Abstract: The present invention relates to a method for preparing an oligomerization catalyst system and the method comprises preparing a catalyst composition by mixing a PNP-based ligand compound and a transition metal compound, and mixing and activating a co-catalyst and the catalyst composition at a temperature from ?40 to 80° C. The oligomerization catalyst system prepared by the method may maintain the activity thereof during an oligomerization reaction at a high temperature, and the reaction temperature of oligomerization may be easily controlled. Various merits in processing may be obtained.
    Type: Application
    Filed: February 2, 2016
    Publication date: November 29, 2018
    Inventors: Seul Ki IM, Yong Ho LEE, Eun Ji SHIN, Jin Young PARK, Seok Pil SA, Ki Soo LEE
  • Patent number: 10131723
    Abstract: The present invention relates to a compound represented by the chemical formula 1, a catalyst system for olefin oligomerization comprising the same, and a method for oligomerizign olefins using the same, and the catalyst system for olefin oligomerization according to the present invention has excellent catalytic activity as well as high selectivity for 1-hexene or 1-octene, thereby enabling more efficient preparation of alpha-olefins.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: November 20, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yong Ho Lee, Seul Ki Im, Eun Ji Shin, Ki Soo Lee, Jin Young Park, Seok Pil Sa, Yoon Ki Hong
  • Publication number: 20180327528
    Abstract: The present invention relates to a ligand compound, a catalyst system for olefin oligomerization, and a method for oligomerizing olefins using the same. The ligand compound according to the present invention has a structure in which a substituent is substituted in the trans form, and thereby when used for olefin oligomerization, the activity of the catalyst used and the selectivity of 1-hexene and 1-octene can be increased.
    Type: Application
    Filed: October 21, 2016
    Publication date: November 15, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Jin Young Park, Yong Ho Lee, Eun Ji Shin, Seok Pil Sa, Ki Soo Lee, Seul Ki Im, Yoon Ki Hong
  • Patent number: 10118371
    Abstract: The present invention relates to a flexible plastic film, and more specifically to a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the flexible plastic film exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in repetitive, continuous bending or long-time folding state, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: November 6, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hye Min Kim, Hyeok Jeong, Yeong Rae Chang, Soon Hwa Jung, Jin Young Park
  • Publication number: 20180313978
    Abstract: The present invention relates to an antireflection film comprising a hard coating layer in which a ten-point average roughness (Rz) of the surface irregularities is 0.05 ?m to 0.2 ?m and an internal haze is 0.5% to 5%; and a low refractive index layer formed on the hard coating layer, and a display device comprising the antireflection film.
    Type: Application
    Filed: September 12, 2016
    Publication date: November 1, 2018
    Inventors: Yeong Rae CHANG, Jae Hoon SHIM, Jung Hyun SEO, Jin Young PARK, Soo Kyoung LEE, Jae Pil KOO, Tae Soon KIM, Min Soo KIM, Kyung Ki HONG, Joo Jong MOON, Hye Min LEE
  • Patent number: 10109946
    Abstract: An apparatus according to one embodiment of the present disclosure comprises a first circuit board; a first connector provided on one face of the first circuit board; a second circuit board disposed on the one face of the first circuit board, and electrically connected to the first circuit board; a second connector provided on one face of the second circuit board, and engaged with the first connector to electrically connect the second circuit board to the first circuit board; a sealing member disposed between the first circuit board and the second circuit board to seal a space between the first connector and the second connector; and a coupling member coupling the first circuit board and the second circuit board to each other.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: October 23, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Seok Lee, Dae-Young Noh, Chan-Keun Song, Min-Sung Lee, Min-Su Jung, Sung-Joo Cho, Young-Sik Choi, Jin-Young Park, Min-Woo Yoo, Byoung-Uk Yoon, Jong-Chul Choi
  • Patent number: 10099971
    Abstract: The present invention relates to a 1-octene composition. The 1-octene composition according to the present invention is prepared by ethylene oligomerization and comprises a high content of 1-octene and monomers useful for copolymerization of 1-octene at the same time.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: October 16, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Yong Ho Lee, Seok Pil Sa, Eun Ji Shin, Ki Soo Lee, Jin Young Park, Seul Ki Im, Yoon Ki Hong
  • Patent number: 10087123
    Abstract: The present invention relates to a process for preparing an olefin oligomer including a step of contacting an olefin monomer with a composite catalyst in the presence of a halogenated organic solvent, wherein the composite catalyst includes: a transition metal compound; a cocatalyst; and an organic ligand including a diphosphonoamine compound in which two or more diphosphonoamines are combined via a polyvalent functional group.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: October 2, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Eun Ji Shin, Yong Ho Lee, Seok Pil Sa, Ki Soo Lee, Jin Young Park
  • Publication number: 20180222815
    Abstract: The present invention relates to a 1-octene composition. The 1-octene composition according to the present invention is prepared by ethylene oligomerization and comprises a high content of 1-octene and monomers useful for copolymerization of 1-octene at the same time.
    Type: Application
    Filed: March 30, 2018
    Publication date: August 9, 2018
    Inventors: Yong Ho LEE, Seok Pil SA, Eun Ji SHIN, Ki Soo LEE, Jin Young PARK, Seul Ki IM, Yoon Ki HONG
  • Publication number: 20180223113
    Abstract: The present invention relates to an antireflection film which includes a hard coating layer and a low refractive index layer formed on the hard coating layer, wherein a roughness skewness (Rsk) of the concavo-convex shape of the surface is greater than 0.5 and less than 5, and a slope angle of the concavo-convex shape of the surface is greater than 0.01 degree and less than 0.2 degree, and a display device comprising the antireflection film.
    Type: Application
    Filed: February 10, 2017
    Publication date: August 9, 2018
    Inventors: Jung Hyun SEO, Yeong Rae CHANG, Jae Hoon SHIM, Jin Young PARK, Jae Pil KOO, Boo Kyung KIM
  • Publication number: 20180222816
    Abstract: The present invention relates to a 1-octene composition. The 1-octene composition according to the present invention is prepared by ethylene oligomerization and comprises a high content of 1-octene and monomers useful for copolymerization of 1-octene at the same time.
    Type: Application
    Filed: March 30, 2018
    Publication date: August 9, 2018
    Inventors: Yong Ho LEE, Seok Pil SA, Eun Ji SHIN, Ki Soo LEE, Jin Young PARK, Seul Ki IM, Yoon Ki HONG
  • Patent number: 10041861
    Abstract: An apparatus and a method for testing drilling efficiency of a drill bit, according to the present invention, calculate an amount of fractured rock according to a button arrangement, thereby obtaining an optimum button arrangement.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: August 7, 2018
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Jung-Woo Cho, Dae-Young Shin, Jae-Wook Lee, Joo-Young Oh, Jin-Young Park, Ki-Beom Kwon, Chang-Heon Song
  • Publication number: 20180215883
    Abstract: The present invention relates to a plastic film, and more specifically to a plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the plastic film exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, despite its thin thickness, and hardly has a risk of damaging the film even in repeated, continuous bending or long-time folding state, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Application
    Filed: September 30, 2016
    Publication date: August 2, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Jin Young PARK, Jung Hwan YOON, Yeong Rae CHANG
  • Patent number: 10035738
    Abstract: The present invention relates to a process for preparing an olefin oligomer including a step of contacting an olefin monomer with a composite catalyst in the presence of a halogenated organic solvent, wherein the composite catalyst includes: a transition metal compound; a cocatalyst; and an organic ligand including a diphosphonoamine compound in which two or more diphosphonoamines are combined via a polyvalent functional group.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: July 31, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Eun Ji Shin, Yong Ho Lee, Seok Pil Sa, Ki Soo Lee, Jin Young Park
  • Publication number: 20180208793
    Abstract: The present invention relates to a coating composition for a flexible plastic film, and more specifically to a coating composition for producing a flexible plastic film having excellent flexibility while exhibiting high hardness. According to the present invention, the coating composition exhibits flexibility, bending property, high hardness, scratch resistance and high transparency, and hardly has a risk of damaging the film even in repetitive, continuous bending or long-time folding state, and thereby can be usefully applied to flexible mobile devices, display devices, front face and display unit of various instrument panels, and the like.
    Type: Application
    Filed: August 3, 2016
    Publication date: July 26, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Hye Min KIM, Jin Young PARK, Yeong Rae CHANG