Patents by Inventor So Ra BAEK

So Ra BAEK 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: 20220267422
    Abstract: Described herein are doppel-targeting molecules (e.g., antibodies) useful for inhibiting pathological angiogenesis and treating diseases and conditions associated with pathological angiogenesis, such as tumors, cancers, atherosclerosis, tuberculosis, asthma, pulmonary arterial hypertension (PAH), neoplasms and neoplasm-related conditions, and for detecting doppel expression in a subject. Related compositions and methods also are described.
    Type: Application
    Filed: June 17, 2021
    Publication date: August 25, 2022
    Applicant: PHAROSGEN CO., LTD
    Inventors: Youngro BYUN, Ha Kyeong LEE, So Young CHOI, So Ra PARK, Se Ra LEE, Seung Il BAEK
  • Publication number: 20220262983
    Abstract: A light emitting diode includes an n-type nitride semiconductor layer, a V-pit generation layer disposed on the n-type nitride semiconductor layer and having V-pits, an active layer disposed on the V-pit generation layer and including a first well region formed along a flat surface of the V-pit generation layer and a second well region formed in the V-pit of the V-pit generation layer, a p-type nitride semiconductor layer disposed on the active layer and a sub-emission layer interposed between the n-type nitride semiconductor layer and the p-type nitride semiconductor layer and disposed near the active layer. The sub-emission layer may emit light having a peak wavelength within a range of wavelengths shorter than a peak wavelength of the first well region, and light emitted from the light emitting diode is within a range of 0.205?X?0.495 and 0.265?Y?0.450 in CIE color coordinates (X, Y).
    Type: Application
    Filed: February 16, 2022
    Publication date: August 18, 2022
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Chung Hoon LEE, Yong Hyun BAEK, Ji Hun KANG, Dae Hong MIN, Dae Sung CHO, So Ra LEE
  • Patent number: 11367871
    Abstract: The present invention provides a positive electrode active material for a secondary battery which includes a lithium transition metal oxide, wherein the positive electrode active material has three peaks in a differential graph (ERC curve) obtained by differentiating a pH value against an amount of acid (HCl) added, which is obtained by pH titration of 10 g of the lithium transition metal oxide using 0.5 M HCl, wherein a y-axis (dpH/dml) value of a first peak at the smallest x-axis value among the three peaks is ?1.0 or less.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: June 21, 2022
    Inventors: In Seong Ju, Wang Mo Jung, Byung Chun Park, Joo Hong Jin, Ju Kyung Shin, Ji Hye Kim, So Ra Baek, Tae Gu Yoo
  • Publication number: 20220185691
    Abstract: The present invention provides a positive electrode active material for a secondary battery, which includes a lithium transition metal oxide including nickel (Ni) and cobalt (Co), and at least one selected from the group consisting of aluminum (Al), manganese (Mn), and a combination thereof. The lithium transition metal oxide is characterized in that the content of nickel (Ni) in the total transition metal elements is 80 mol % or more, and the cation mixing ratio of Ni cations in a lithium layer in the lithium transition metal oxide structure is 1.1% or less.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 16, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hye Kim, Byung Chun Park, So Ra Baek, Tae Gu Yoo, Wang Mo Jung
  • Patent number: 11299401
    Abstract: The present invention provides a positive electrode active material for a secondary battery, which includes a lithium transition metal oxide including nickel (Ni) and cobalt (Co), and at least one selected from the group consisting of aluminum (Al), manganese (Mn), and a combination thereof. The lithium transition metal oxide is characterized in that the content of nickel (Ni) in the total transition metal elements is 80 mol % or more, and the cation mixing ratio of Ni cations in a lithium layer in the lithium transition metal oxide structure is 1.1% or less.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: April 12, 2022
    Inventors: Ji Hye Kim, Byung Chun Park, So Ra Baek, Tae Gu Yoo, Wang Mo Jung
  • Patent number: 11258056
    Abstract: The present disclosure relates to a positive electrode material including a spinel-structured lithium manganese-based first positive electrode active material and a lithium nickel-manganese-cobalt-based second positive electrode active material, wherein the first positive electrode active material includes a lithium manganese oxide represented by Formula 1 and a coating layer which is disposed on a surface of the lithium manganese oxide, the second positive electrode active material is represented by Formula 2, and an average particle diameter of the second positive electrode active material is greater than an average particle diameter of the first positive electrode active material, and a positive electrode and a lithium secondary battery which include the positive electrode material: Li1+aMn2?bM1bO4?cAc??[Formula 1] Li1+x[NiyCozMnwM2v]O2?pBp??[Formula 2]
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: February 22, 2022
    Inventors: So Ra Baek, Wang Mo Jung, Min Suk Kang, Sang Wook Lee, Eun Sol Lho, Wen Xiu Wang
  • Publication number: 20220052331
    Abstract: A method of preparing an octahedral-structured lithium manganese-based positive electrode active material includes mixing a manganese raw material, a raw material including doping element M1, wherein the doping element M1 is at least one element selected from the group consisting of Mg, Al, Li, Zn, B, W, Ni, Co, Fe, Cr, V, Ru, Cu, Cd, Ag, Y, Sc, Ga, In, As, Sb, Pt, Au, and Si, and a lithium raw material and sintering the mixture in an oxygen atmosphere to prepare a lithium manganese oxide having an octahedral structure and doped with the doping element M1, wherein the sintering includes performing first sintering at 400° C. to 700° C. for 3 hours to 10 hours and performing second sintering at 700° C. to 900° C. for 10 hours to 20 hours. Also provided is an octahedral-structured lithium manganese-based positive electrode active material prepared by the above preparation method.
    Type: Application
    Filed: November 1, 2019
    Publication date: February 17, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Eun Sol Lho, Wang Mo Jung, Min Suk Kang, Sang Wook Lee, So Ra Baek, Wen Xiu Wang
  • Publication number: 20220045322
    Abstract: In one arrangement, the present disclosure relates to a positive electrode active material including a nickel-cobalt-manganese-based lithium transition metal oxide which contains nickel in an amount of 60 mol % or more based on a total number of moles of metals excluding lithium, wherein the nickel-cobalt-manganese-based lithium transition metal oxide is doped with doping element M1 (where the doping element M1 is a metallic element including Al) and doping element M2 (where the doping element M2 is at least one metallic element selected from the group consisting of Mg, La, Ti, Zn, B, W, Ni, Co, Fe, Cr, V, Ru, Cu, Cd, Ag, Y, Sc, Ga, In, As, Sb, Pt, Au, and Si), where the doping element M1 can be in an amount of 100 ppm to 10,000 ppm, and the doping element M1 and the doping element M2 are included in a weight ratio of 50:50 to 99:1.
    Type: Application
    Filed: November 1, 2019
    Publication date: February 10, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Wen Xiu Wang, Wang Mo Jung, Min Suk Kang, Sang Wook Lee, So Ra Baek, Eun Sol Lho
  • Publication number: 20220020983
    Abstract: The present disclosure relates to a positive electrode active material for a secondary battery, the positive electrode active material being a lithium composite transition metal oxide particle including nickel (Ni) and cobalt (Co) and including at least one of manganese (Mn) and aluminum (Al), wherein the lithium composite transition metal oxide particle includes 60 mol % or greater of the nickel (Ni) in all metals excluding lithium, a doping element is doped on the lithium composite transition metal oxide particle, and the particle intensity of the lithium composite transition metal oxide particle is 210 MPa to 290 MPa.
    Type: Application
    Filed: November 28, 2019
    Publication date: January 20, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Eun Sol Lho, Wang Mo Jung, Min Suk Kang, Sang Wook Lee, So Ra Baek, Wen Xiu Wang
  • Publication number: 20220006085
    Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery which includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein a portion of nickel (Ni) sites of the lithium composite transition metal oxide is substituted with tungsten (W), and an amount of a lithium tungsten oxide remaining on surfaces of lithium composite transition metal oxide particles is 1,000 ppm or less.
    Type: Application
    Filed: September 16, 2021
    Publication date: January 6, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hye Kim, Byung Chun Park, So Ra Baek, Tae Gu Yoo, Wang Mo Jung
  • Patent number: 11152617
    Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery which includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein a portion of nickel (Ni) sites of the lithium composite transition metal oxide is substituted with tungsten (W), and an amount of a lithium tungsten oxide remaining on surfaces of lithium composite transition metal oxide particles is 1,000 ppm or less.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: October 19, 2021
    Inventors: Ji Hye Kim, Byung Chun Park, So Ra Baek, Tae Gu Yoo, Wang Mo Jung
  • Publication number: 20210305566
    Abstract: A positive electrode active material for a secondary battery which includes a nickel-based lithium composite transition metal oxide including nickel (Ni), wherein the lithium composite transition metal oxide satisfies Equation 1 and Equation 2 below 80 nm?crystallite sizeFWHM?150 nm ??[Equation 1] ? size(|crystallite sizeIB?crystallite sizeFWHM|)?20 ??[Equation 2] wherein, in Equation 1 and Equation 2, crystallite sizeFWHM is a crystallite size obtained by calculating from X-ray diffraction (XRD) data using a full width at half maximum (FWHM) method, and crystallite sizeIB is a crystallite size obtained by calculating from XRD data using an integral breadth (IB) method.
    Type: Application
    Filed: January 31, 2020
    Publication date: September 30, 2021
    Applicant: LG Chem, Ltd.
    Inventors: So Ra Baek, Eun Sol Lho, Wang Mo Jung, Sang Wook Lee, Eun Jo
  • Patent number: 11121357
    Abstract: The present invention relates to a positive electrode active material for a secondary battery, which includes a core including a lithium composite metal oxide, and a surface treatment layer which is disposed on the core and includes an amorphous oxide containing a lithium (Li) oxide, a boron (B) oxide, and an aluminum (Al) oxide, wherein an amount of a lithium by-product present on a surface of the positive electrode active material is less than 0.55 wt % based on a total weight of the positive electrode active material, and a method of preparing the same.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: September 14, 2021
    Inventors: So Ra Baek, Ji Hye Kim, Tae Gu Yoo, Wang Mo Jung, Byung Chun Park
  • Patent number: 11101462
    Abstract: The present invention provides a positive electrode active material for a secondary battery, a positive electrode for a secondary battery, and a secondary battery including the same, the positive electrode active material including a first lithium-nickel oxide particle having an average particle size (D50) of more than 8 ?m to 20 ?m or less, and a second lithium-nickel oxide particle having an average particle size (D50) of 8 ?m or less, wherein the first lithium-nickel oxide particle has a particle strength of 100 MPa to 250 MPa, the second lithium-nickel oxide particle has a particle strength of 50 MPa to 100 MPa, a ratio r of the strength of the first lithium-nickel oxide particle to the strength of the second lithium-nickel oxide particle satisfies Equation 1 set forth herein.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: August 24, 2021
    Inventors: Chi Ho Jo, Sin Young Park, Wang Mo Jung, Byung Chun Park, So Ra Baek
  • Publication number: 20210151754
    Abstract: A positive electrode active material for a secondary battery includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), and a glassy coating layer formed on surfaces of particles of the lithium composite transition metal oxide, wherein, in the lithium composite transition metal oxide, an amount of the nickel (Ni) in a total amount of transition metals is 60 mol % or more, and an amount of the manganese (Mn) is greater than an amount of the cobalt (Co), and the glassy coating layer includes a glassy compound represented by Formula 1. LiaM1bOc??[Formula 1] wherein, M1 is at least one selected from the group consisting of boron (B), aluminum (Al), silicon (Si), titanium (Ti), and phosphorus (P), and 1?a?4, 1?b?8, and 1?c?20.
    Type: Application
    Filed: January 23, 2019
    Publication date: May 20, 2021
    Applicant: LG Chem, Ltd.
    Inventors: So Ra Baek, Min Suk Kang, Sang Wook Lee, Wang Mo Jung, Dong Hun Lee, Hye Lim Jeon, Eun Sol Lho
  • Publication number: 20200266433
    Abstract: Provided are various embodiments of a positive electrode for a secondary battery, which in one embodiment includes a first positive electrode material mixture layer formed on a positive electrode collector, and a second positive electrode material mixture layer formed on the first positive electrode material mixture layer, wherein the first positive electrode material mixture layer has an operating voltage of 4.25 V to 6.0 V and includes an active material for overcharge which generates lithium and gas during charge; a method of preparing such a positive electrode for a secondary battery; and a lithium secondary battery including such a positive electrode.
    Type: Application
    Filed: September 19, 2018
    Publication date: August 20, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Dong Hun Lee, Hye Lim Jeon, Sang Wook Lee, Eun Sol Lho, Wang Mo Jung, Min Suk Kang, So Ra Baek, Ji Young Park
  • Publication number: 20200119341
    Abstract: A spinel-structured lithium manganese-based positive electrode active material includes a lithium manganese oxide represented by Formula 1, and a coating layer which is disposed on a surface of the lithium manganese oxide and includes at least one coating element selected from the group consisting of aluminum, titanium, tungsten, boron, fluorine, phosphorus, magnesium, nickel, cobalt, iron, chromium, vanadium, copper, calcium, zinc, zirconium, niobium, molybdenum, strontium, antimony, bismuth, silicon, and sulfur, and a positive electrode and a lithium secondary battery which include the positive electrode active material, Li1+aMn2?bM1bO4?cAc ??[Formula 1] wherein, in Formula 1, M1 is at least one metallic element including lithium (Li), A is at least one element selected from the group consisting of fluorine, chlorine, bromine, iodine, astatine, and sulfur, 0?a?0.2, 0<b?0.5, and 0?c?0.1.
    Type: Application
    Filed: November 6, 2018
    Publication date: April 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: So Ra Baek, Wang Mo Jung, Min Suk Kang, Sang Wook Lee, Eun Sol Lho, Wen Xiu Wang
  • Patent number: 10622617
    Abstract: In the present invention is provided a positive electrode active material for a secondary battery, wherein the positive electrode active material includes a core including a lithium composite metal oxide, and a surface treatment layer positioned on the surface of the core, and the surface treatment layer includes a porous coordination polymer in which a central metal ion is coordinate-bonded with an organic ligand such that high electrode density may be exhibited when an electrode is manufactured, and consequently, battery properties may be significantly enhanced. Also provided are a positive electrode, which is for a secondary battery and includes the positive electrode active material, and a secondary battery.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: April 14, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Chi Ho Jo, Sin Young Park, Wang Mo Jung, Byung Chun Park, So Ra Baek
  • Publication number: 20200083524
    Abstract: The present disclosure relates to a positive electrode material including a spinel-structured lithium manganese-based first positive electrode active material and a lithium nickel-manganese-cobalt-based second positive electrode active material, wherein the first positive electrode active material includes a lithium manganese oxide represented by Formula 1 and a coating layer which is disposed on a surface of the lithium manganese oxide, the second positive electrode active material is represented by Formula 2, and an average particle diameter of the second positive electrode active material is greater than an average particle diameter of the first positive electrode active material, and a positive electrode and a lithium secondary battery which include the positive electrode material: Li1+aMn2-bM1bO4-cAc??[Formula 1] Li1+x[NiyCozMnwM2v]O2-pBp??[Formula 2]
    Type: Application
    Filed: November 6, 2018
    Publication date: March 12, 2020
    Applicant: LG Chem, Ltd.
    Inventors: So Ra Baek, Wang Mo Jung, Min Suk Kang, Sang Wook Lee, Eun Sol Lho, Wen Xiu Wang
  • Publication number: 20200028168
    Abstract: The present invention provides a positive electrode active material for a secondary battery which includes a lithium transition metal oxide, wherein the positive electrode active material has three peaks in a differential graph (ERC curve) obtained by differentiating a pH value against an amount of acid (HCl) added, which is obtained by pH titration of 10 g of the lithium transition metal oxide using 0.5 M HCl, wherein a y-axis (dpH/dml) value of a first peak at the smallest x-axis value among the three peaks is ?1.0 or less.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: In Seong Ju, Wang Mo Jung, Byung Chun Park, Joo Hong Jin, Ju Kyung Shin, Ji Hye Kim, So Ra Baek, Tae Gu Yoo