Patents by Inventor Sung Bin Park

Sung Bin 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: 10930931
    Abstract: Provided are positive electrode active material particles for a secondary battery which include a lithium cobalt oxide, a coating layer including element A and formed on a surface of particles of the lithium cobalt oxide, and a dopant containing element B which is substituted in the lithium cobalt oxide, wherein the element A and the element B are each independently at least one selected from the group consisting of aluminum (Al), titanium (Ti), magnesium (Mg), zirconium (Zr), barium (Ba), calcium (Ca), tantalum (Ta), niobium (Nb), and molybdenum (Mo), and a molar ratio of the element A in the coating layer:the element B of the dopant is greater than 1:1 to 10:1.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: February 23, 2021
    Inventors: Chi Ho Jo, Bo Ram Lee, Sung Bin Park, Hyuck Hur, Young Uk Park, Wang Mo Jung
  • Publication number: 20210020902
    Abstract: A positive electrode active material includes a lithium transition metal oxide, which is doped with doping element M2, wherein M2 is at least one selected from the group consisting of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, and B, and contains nickel in an amount of 60 mol % or more based on a total number of moles of transition metals excluding lithium, wherein the lithium transition metal oxide has a single particle form, and includes a center portion having a layered structure and a surface portion having a rock-salt structure, and the doping element M2 is included in an amount of 3,580 ppm to 7,620 ppm based on a total weight of the positive electrode active material.
    Type: Application
    Filed: April 1, 2019
    Publication date: January 21, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Tae Gu Yoo, Young Uk Park, Jin Tae Hwang, Wang Mo Jung, Sung Bin Park
  • Patent number: 10868309
    Abstract: Provided is a positive electrode active material particle including a core containing lithium cobalt oxide represented by the following Chemical Formula 1; and a coating layer containing boron (B) and fluorine (F), which is coated on the surface of the core: Li1+xCo1?xO2??(1)
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: December 15, 2020
    Inventors: Bo Ram Lee, Sung Bin Park, Young Uk Park, Chi Ho Jo, Hyuck Hur, Wang Mo Jung
  • Publication number: 20200388830
    Abstract: A positive electrode active material for a secondary battery includes a first positive electrode active material and a second positive electrode active material, wherein an average particle diameter (D50) of the first positive electrode active material is twice or more than an average particle diameter (D50) of the second positive electrode active material, and the second positive electrode active material has a crystallite size of 200 nm or more.
    Type: Application
    Filed: February 1, 2019
    Publication date: December 10, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Dong Hun Lee, Young Uk Park, Wang Mo Jung, Sung Bin Park, Dong Hwi Kim, Tae Gu Yoo
  • Publication number: 20200375028
    Abstract: A flexible circuit board is provided. The flexible circuit board includes a base film with an outer lead region defined on either one surface or the other surface and an outer lead provided in the outer lead region and connected to an electronic device, in which the outer lead includes a plurality of first outer leads and a plurality of second outer leads formed to be spaced apart from each other so as to face each other in the outer lead region, and in which the number of the plurality of first outer leads is greater than the number of the plurality of second outer leads.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 26, 2020
    Applicant: STEMCO CO., LTD.
    Inventors: Jin Han LEE, Sung Bin PARK, Hiroo SHIMIZU, Dong Eun SON
  • Patent number: 10825766
    Abstract: A semiconductor device includes a lower wiring, an interlayer insulation film above the lower wiring and including a first portion having a first density, and a second portion on the first portion, the first portion and the second portion having a same material, and the second portion having a second density smaller than the first density, an upper wiring in the second portion of the interlayer insulating film, and a via in the first portion of the interlayer insulating film, the via connecting the upper wiring and the lower wiring.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Young Kim, Kyu Hee Han, Sung Bin Park, Yeong Gil Kim, Jong Min Baek, Kyoung Woo Lee, Deok Young Jung
  • Publication number: 20200343537
    Abstract: A method for preparing a lithium cobalt-based positive electrode active material and a positive electrode active material prepared by the method are provided. The method includes dry-mixing and then heat treating a lithium cobalt oxide particle represented by Formula 1 and one or more lithium metal oxide particle selected from the group consisting of lithium aluminum oxide, lithium zirconium oxide, and lithium titanium oxide.
    Type: Application
    Filed: November 13, 2018
    Publication date: October 29, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Chi Ho Jo, Min Kyu You, Sung Bin Park, Hyuck Hur, Jin Tae Hwang, Wang Mo Jung
  • Publication number: 20200335783
    Abstract: A positive electrode material including a first positive electrode active material represented by Formula 1 and a second positive electrode active material represented by Formula 2, a positive electrode including the same, and a lithium secondary battery including the positive electrode are provided. The positive electrode material has a bimodal particle size distribution including large diameter particles and small diameter particles, and the difference in average particle diameter (D50) between the large diameter particles and the small diameter particles is 3 ?m or greater.
    Type: Application
    Filed: November 21, 2018
    Publication date: October 22, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Dong Hun Lee, Wang Mo Jung, Sung Bin Park, Ji Hye Kim, Dong Hwi Kim, Hyung Man Cho, Jung Min Han
  • Patent number: 10804145
    Abstract: A method of fabricating a semiconductor device is provided. The method may include forming a first interlayer insulating film on a substrate, forming a second interlayer insulating film on the first interlayer insulating film, and forming a third interlayer insulating film on the second interlayer insulating film. Different amounts of carbon may be present in each of the first, second, and third interlayer insulating films. The third interlayer insulating film may be used as a mask pattern to form a via trench that extends at least partially into the first interlayer insulating film and the second interlayer insulating film. Supplying a carbon precursor may be interrupted between the forming of the second and third interlayer insulating films, such that the second interlayer insulating film and the third interlayer insulating film may have a discontinuous boundary therebetween.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeong Gil Kim, Han Seong Kim, Jong Min Baek, Ji Young Kim, Sung Bin Park, Deok Young Jung, Kyu Hee Han
  • Publication number: 20200313158
    Abstract: Disclosed are a negative electrode active material including lithium titanium oxide particles, wherein the lithium titanium oxide particles have an average particle diameter (D50) of 0.5-9 ?m, a specific surface area of 3-7 m2/g, and a pellet density of 1.7 g/cc or more under a pressure of 64 MPa, and a lithium secondary battery including the same.
    Type: Application
    Filed: March 21, 2018
    Publication date: October 1, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Bo-Ram LEE, Sung-Bin PARK, Ji-Young PARK, Chi-Ho JO, Jung-Min HAN, Hyuck HUR, Wang-Mo JUNG
  • Patent number: 10784510
    Abstract: The present invention relates to an active material for a lithium secondary battery, which includes a secondary particle formed by agglomeration of primary particles which include a lithium titanium composite oxide represented by Formula 1 or Formula 2, wherein a pore volume is in a range of 0.001 cm3/g to 0.05 cm3/g, and a method of preparing the same, wherein the active material for a lithium secondary battery according to the present invention may maintain an adequate pore volume even during rolling, because strength of the secondary particle is improved by controlling a particle diameter of the primary particle by introducing a metallic element.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: September 22, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hye Lim Jeon, Dong Hun Lee, Sung Bin Park, Wang Mo Jung, Seong Hoon Kang
  • Publication number: 20200266438
    Abstract: A positive electrode material for a secondary battery, including a first positive electrode active material and a second positive electrode active material, wherein the first positive electrode active material and the second positive electrode active material consist of a lithium composite transition metal oxide including at least two or more transition metals selected from the group consisting of nickel (Ni), cobalt (Co) and manganese (Mn) are provided. The average particle size (D50) of the first positive electrode active material is two or more times larger than that of the second positive electrode active material, and the first positive electrode active material has a concentration gradient in which at least one of Ni, Co or Mn contained in the lithium composite transition metal oxide has a concentration difference of 1.5 mol % or more between the center and the surface of a particle of the lithium composite transition metal oxide.
    Type: Application
    Filed: November 21, 2018
    Publication date: August 20, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung Min Han, Wang Mo Jung, Dong Hun Lee, Sung Bin Park, Ji Hye Kim, Dong Hwi Kim, Hyung Man Cho
  • Publication number: 20200266439
    Abstract: A method of preparing a positive electrode active material for a secondary battery includes preparing a positive electrode active material precursor including nickel (Ni), cobalt (Co), and at least one selected from the group consisting of manganese (Mn) and aluminum (Al); and forming a lithium composite transition metal oxide by mixing the positive electrode active material precursor and a lithium source and performing calcination, wherein the positive electrode active material precursor includes nickel (Ni) in an amount of 60 mol % or more out of the entire metal element, and a molar ratio (Li/M) of lithium (Li) of the lithium source to the entire metal element (M) of the positive electrode active material precursor is greater than 1.1.
    Type: Application
    Filed: November 13, 2018
    Publication date: August 20, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sung Bin Park, Wang Mo Jung, Dong Hun Lee, Ji Hye Kim, Dong Hwi Kim, Hyung Man Cho, Jung Min Han
  • Publication number: 20200259172
    Abstract: A lithium cobalt-based positive electrode active material is provided. The lithium cobalt-based positive electrode active material includes a core portion including a lithium cobalt-based oxide represented by Formula 1 and a shell portion including a lithium cobalt-based oxide represented by Formula 2, wherein the lithium cobalt-based positive electrode active material includes 2500 ppm or more, preferably 3000 ppm or more of a doping element M based on the total weight of the positive electrode active material. An inflection point does not appear in a voltage profile measured during charging/discharging a secondary battery including the lithium cobalt-based positive electrode active material.
    Type: Application
    Filed: November 13, 2018
    Publication date: August 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Chi Ho Jo, Min Kyu You, Sung Bin Park, Hyuck Hur, Jin Tae Hwang, Wang Mo Jung
  • Publication number: 20200259173
    Abstract: A positive electrode active material for a secondary battery including a core part and a shell part formed around the core part is provided. Here, the core part and the shell part include a lithium composite transition metal oxide including Ni and Co, and at least one or more selected from the group consisting of Mn and Al, and a ratio of the diameter of the core part to the total diameter of a particle of the positive electrode active material is 0.5 to 0.85, and the shell part has a concentration gradient such that a Ni concentration at the start point of the shell part near the core part is 30 mol % or higher than that at the end point of the shell part near the particle surface.
    Type: Application
    Filed: November 8, 2018
    Publication date: August 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hye Kim, Wang Mo Jung, Dong Hun Lee, Sung Bin Park, Dong Hwi Kim, Hyung Man Cho, Jung Min Han
  • Publication number: 20200251731
    Abstract: The present invention provides a positive electrode active material precursor for a secondary battery which includes primary particles of Co3O4 or Co0OH, wherein the primary particle contains a doping element in an amount of 3,000 ppm or more, and has an average particle diameter (D50) of 15 pm or more, and a positive electrode active material for a secondary battery which includes particles of a lithium cobalt-based oxide, wherein the primary particle contains a doping element in an amount of 2,500 ppm or more, and has an average particle diameter (D50) of 15 ?m or more.
    Type: Application
    Filed: September 19, 2018
    Publication date: August 6, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Min Kyu You, Chi Ho Jo, Sung Bin Park, Hyuck Hur, Jin Tae Hwang, Wang Mo Jung
  • Publication number: 20200235381
    Abstract: The present disclosure relates to a positive electrode material which includes a first positive electrode active material, and a second positive electrode active material in the form of a single particle, wherein an amount of lithium impurities on a surface of the second positive electrode active material is 0.14 wt % or less based on a total weight of the second positive electrode active material, and at least one of nickel, cobalt, and manganese included in the second positive electrode active material has a concentration gradient gradually changing from the center of the particle to a surface thereof, a method of preparing the positive electrode material, and a positive electrode for a lithium secondary battery and a lithium secondary battery which include the positive electrode material.
    Type: Application
    Filed: September 21, 2018
    Publication date: July 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Young Uk Park, Tae Gu Yoo, Jin Tae Hwang, Wang Mo Jung, Sung Bin Park
  • Publication number: 20200227314
    Abstract: A method of fabricating a semiconductor device is provided. The method may include forming a first interlayer insulating film on a substrate, forming a second interlayer insulating film on the first interlayer insulating film, and forming a third interlayer insulating film on the second interlayer insulating film. Different amounts of carbon may be present in each of the first, second, and third interlayer insulating films. The third interlayer insulating film may be used as a mask pattern to form a via trench that extends at least partially into the first interlayer insulating film and the second interlayer insulating film. Supplying a carbon precursor may be interrupted between the forming of the second and third interlayer insulating films, such that the second interlayer insulating film and the third interlayer insulating film may have a discontinuous boundary therebetween.
    Type: Application
    Filed: August 20, 2019
    Publication date: July 16, 2020
    Inventors: Yeong Gil Kim, Han Seong Kim, Jong Min Baek, Ji Young Kim, Sung Bin Park, Deok Young Jung, Kyu Hee Han
  • Patent number: 10714742
    Abstract: Provided are a cathode active material including lithium transition metal phosphate particles, including a first secondary particle formed by agglomeration of two or more first primary particles, and a second secondary particle formed by agglomeration of two or more second primary particles in the first secondary particle, and a method of preparing the same. Since the cathode active material may include first and second primary particles having different average particle diameters, the exfoliation of the cathode active material from a cathode collector may be minimized and performance characteristics, such as high output characteristics and an increase in available capacity, of a secondary battery may be further improved.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: July 14, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Ji Hye Kim, Wang Mo Jung, Sang Seung Oh, Byung Chun Park, Sung Bin Park
  • Publication number: 20200220173
    Abstract: A positive electrode active material for a secondary battery is provided. The positive electrode active material being a lithium cobalt-based oxide includes a doping element M. A lithium cobalt-based oxide particle containing the doping element M in an amount of 3,000 ppm or more, wherein in a bulk portion corresponding to 90% of a core side among the radius from a core of the particle to a surface thereof, the doping element M in the lithium cobalt-based oxide particle is contained at a constant concentration, and in a surface portion from the surface of the particle to 100 nm in a core direction, the doping element M is contained at a concentration equal to or higher than that in the bulk portion and has a concentration in which the concentration thereof is gradient gradually decreased in the core direction from the surface of the particle.
    Type: Application
    Filed: August 29, 2018
    Publication date: July 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Chi Ho Jo, Min Kyu You, Sung Bin Park, Hyuck Hur, Jin Tae Hwang, Wang Mo Jung