Patents by Inventor Jeong Yu

Jeong Yu 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: 20250112485
    Abstract: Systems and methods for charging protocols for secondary batteries are provided including: measuring an open-circuit voltage (Vref) according to a state-of-charge (SOCx) for a two-electrode cell, charged with a reference current; measuring second open-circuit voltages (Vc) according to the state-of-charge when charging the cell with a plurality of different charging currents; calculating an internal resistance value (RSOCx) according to the state-of-charge using an equation (RSOCx)=(Vc?Vref)/Ic for the different charging currents, wherein Ic is a value for the different charging currents, and computing a charging current-specific internal resistance profile mapping the internal resistance value according to the state-of-charge for the different charging currents; and identifying, for the charging current-specific internal resistance profiles, each inflection point, determining a lowest resistance value among the inflection points as a reference value, and determining, for the computed charging current-specifi
    Type: Application
    Filed: November 8, 2023
    Publication date: April 3, 2025
    Inventors: Yeo Kyung Yoon, Jeong In Yu, Yong Jun Kim
  • Publication number: 20250076397
    Abstract: A battery depth-of-charge calculation apparatus includes a processor and memory having programmed thereon instructions that, when executed, are configured cause the processor to receive a measured open circuit voltage (OCV) value with respect to a state of charge (SoC) of a battery cell and information about a voltage value with respect to the SoC of the battery cell during charge, compute an inner resistance value with respect to the SoC of the battery cell during charge, based on the information about the voltage value with respect to the SoC of the battery cell during charge and the open circuit voltage value with respect to the SoC of the battery cell, compute a negative electrode depth-of-charge of the battery cell based on the inner resistance value.
    Type: Application
    Filed: December 29, 2022
    Publication date: March 6, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong In Yu, Yeo Kyung Yoon, Yong Jun Kim
  • Publication number: 20240353497
    Abstract: A charge protocol inspection apparatus including an information obtaining unit is configured to obtain information about a charge protocol of a battery cell, an open circuit voltage (OCV) corresponding to a state of charge (SoC) of the battery cell, and a reference internal resistance of the battery cell, calculate an internal resistance of the battery cell during charge based on the information about the charge protocol and the OCV corresponding to the SoC of the battery cell, and compare the reference internal resistance of the battery cell with the internal resistance of the battery cell during charge.
    Type: Application
    Filed: September 30, 2022
    Publication date: October 24, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yeo Kyung Yoon, Jeong In Yu, Yong Jun Kim
  • Publication number: 20240027906
    Abstract: A photosensitive resin composition includes: (A) a binder resin; (B) a photopolymerizable monomer; (C) a photopolymerization initiator; (D) a quantum dot surface-modified with a compound having a thiol group at one terminal end and an alkoxy group, a cycloalkyl group, a carboxyl group, or a hydroxy group at the other terminal end; and (E) a solvent. A curable composition includes: (A?) a resin; (B?) a quantum dot surface-modified with a compound represented by Chemical Formula 1 or Chemical Formula 2; and (C?) a solvent. A method of manufacturing the surface-modified quantum dot, and a color filter manufactured using the photosensitive resin composition or the curable composition are also disclosed.
    Type: Application
    Filed: August 8, 2023
    Publication date: January 25, 2024
    Inventors: Jinsuop YOUN, Misun KIM, Hong Jeong YU, Bumjin LEE, Yonghee KANG, Dongjun KIM, Byeonggeun SON, Jihyeon YIM, Mi Jeong CHOI, Jonggi KIM, Minjee PARK, Hojeong PAEK, Woo Jung SHIN, Young Woong JANG
  • Patent number: 11762289
    Abstract: A photosensitive resin composition includes: (A) a binder resin; (B) a photopolymerizable monomer; (C) a photopolymerization initiator; (D) a quantum dot surface-modified with a compound having a thiol group at one terminal end and an alkoxy group, a cycloalkyl group, a carboxyl group, or a hydroxy group at the other terminal end; and (E) a solvent. A curable composition includes: (A?) a resin; (B?) a quantum dot surface-modified with a compound represented by Chemical Formula 1 or Chemical Formula 2; and (C?) a solvent. A method of manufacturing the surface-modified quantum dot, and a color filter manufactured using the photosensitive resin composition or the curable composition are also disclosed.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: September 19, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jinsuop Youn, Misun Kim, Hong Jeong Yu, Bumjin Lee, Yonghee Kang, Dongjun Kim, Byeonggeun Son, Jihyeon Yim, Mi Jeong Choi, Jonggi Kim, Minjee Park, Hojeong Paek, Woo Jung Shin, Young Woong Jang
  • Publication number: 20230271186
    Abstract: A point-of-care device for detecting nucleic acid is disclosed. The point-of-care device for detecting nucleic acid according to an exemplary embodiment of the present invention includes a rotating body in which a plurality of test tubes containing a sample mixed with heat-generating particles that generate heat when irradiated with light beams are radially coupled around a rotation shaft; a first actuator for rotating the rotating body such that the test tube rotates about the rotation shaft; and an irradiation module for irradiating the light beams to an irradiated area which is set on a rotation path of the test tube, wherein the rotation path includes a non-irradiated area to which the light beams are not irradiated, and wherein the test tube proceeds through the irradiated area and the non-irradiated area on the rotation path according to the rotation of the rotating body.
    Type: Application
    Filed: July 30, 2021
    Publication date: August 31, 2023
    Inventors: Jinwoo Cheon, Jae-Hyun Lee, Jiyong Cheong, Ho Jeong Yu, Hakho Lee
  • Patent number: 11522172
    Abstract: A negative electrode for a lithium metal battery, a manufacturing method thereof, and a lithium battery including the same. An adhesive layer including a binder and a conductive material between the negative current collector and the negative active material improves conductivity while also improving adherence between a negative current collector and a negative active material of the lithium battery.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: December 6, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventor: Jeong In Yu
  • Patent number: 11145889
    Abstract: Disclosed is a lithium metal secondary battery which includes: an electrode assembly including a negative electrode, a positive electrode and a separator interposed between the negative electrode and the positive electrode; a non-aqueous electrolyte with which the electrode assembly is impregnated; and a battery casing in which the electrode assembly and the non-aqueous electrolyte are received, wherein the negative electrode includes a negative electrode current collector and a lithium metal layer formed on at least one surface of the negative electrode current collector, the charge/discharge condition of the lithium metal secondary battery includes charging the lithium metal secondary battery under a pressurized state and discharging the lithium metal secondary battery under a non-pressurized or pressurized state, and when the lithium secondary battery is discharged under a pressurized state, the pressure applied during discharge is controlled to be smaller than the pressure applied during charge.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: October 12, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Kyung-Hwa Woo, Hyun-Woong Yun, Jeong-In Yu, Jong-Keon Yoon
  • Patent number: 10822449
    Abstract: Provided are a low temperature curing composition, a cured film obtained by curing the composition, and an electronic device comprising the cured film, wherein the composition comprises: (A) an epoxy group-containing siloxane compound represented by Chemical Formula 1: (R1R2R3SiO1/2)M(R4R5SiO2/2)D1(R6SiO3/2)T1(R7R8SiO2/2)D2(R9SiO3/2)T2??[Chemical Formula 1] (In Chemical Formula 1, each of R1 to R9 is an organic group independently selected from a substituted or unsubstituted monovalent aliphatic hydrocarbon group of C1 to C6, a substituted or unsubstituted monovalent cycloaliphatic hydrocarbon group of C6 to C20, a substituted or unsubstituted monovalent aromatic hydrocarbon group of C6 to C20, and an epoxy-substituted monovalent organic group, at least one of R1 to R6 is an epoxy-substituted monovalent organic group, 0?M<1, 0?D1<1, 0<T?1, 0?D2<1, 0?T2<1, and M+D1+T1+D2+T2=1, wherein each of the structural units represented by M, D1, T1, D2, and T2 can include one or more types of different s
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: November 3, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Doori Song, Woo Han Kim, Dongju Shin, Hong Jeong Yu, Jiho Lee
  • Publication number: 20200259163
    Abstract: A negative electrode for a lithium metal battery, a manufacturing method thereof, and a lithium battery including the same. An adhesive layer including a binder and a conductive material between the negative current collector and the negative active material improves conductivity while also improving adherence between a negative current collector and a negative active material of the lithium battery.
    Type: Application
    Filed: August 1, 2019
    Publication date: August 13, 2020
    Applicant: LG CHEM, LTD.
    Inventor: Jeong In YU
  • Publication number: 20190341647
    Abstract: Disclosed is a lithium metal secondary battery which includes: an electrode assembly including a negative electrode, a positive electrode and a separator interposed between the negative electrode and the positive electrode; a non-aqueous electrolyte with which the electrode assembly is impregnated; and a battery casing in which the electrode assembly and the non-aqueous electrolyte are received, wherein the negative electrode includes a negative electrode current collector and a lithium metal layer formed on at least one surface of the negative electrode current collector, the charge/discharge condition of the lithium metal secondary battery includes charging the lithium metal secondary battery under a pressurized state and discharging the lithium metal secondary battery under a non-pressurized or pressurized state, and when the lithium secondary battery is discharged under a pressurized state, the pressure applied during discharge is controlled to be smaller than the pressure applied during charge.
    Type: Application
    Filed: April 5, 2019
    Publication date: November 7, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Kyung-Hwa WOO, Hyun-Woong YUN, Jeong-In YU, Jong-Keon YOON
  • Patent number: 10290903
    Abstract: Disclosed is a jellyroll-type electrode assembly including a first electrode, a second electrode, and a separator interposed between the electrodes folded together, in which the first electrode has a non-coating part and a first electrode tab attached onto the non-coating part, the non-coating part representing a part of the first electrode not coated with an active material, and the at least double-folded-layer separator is disposed between the first electrode tab and the second electrode.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: May 14, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Je-Jun Lee, Pil-Kyu Park, Jeong-In Yu, Cha-Hun Ku
  • Publication number: 20190129302
    Abstract: A photosensitive resin composition includes: (A) a binder resin; (B) a photopolymerizable monomer; (C) a photopolymerization initiator; (D) a quantum dot surface-modified with a compound having a thiol group at one terminal end and an alkoxy group, a cycloalkyl group, a carboxyl group, or a hydroxy group at the other terminal end; and (E) a solvent. A curable composition includes: (A?) a resin; (B?) a quantum dot surface-modified with a compound represented by Chemical Formula 1 or Chemical Formula 2; and (C?) a solvent. A method of manufacturing the surface-modified quantum dot, and a color filter manufactured using the photosensitive resin composition or the curable composition are also disclosed.
    Type: Application
    Filed: October 9, 2018
    Publication date: May 2, 2019
    Inventors: Jinsuop YOUN, Misun KIM, Hong Jeong YU, Bumjin LEE, Yonghee KANG, Dongjun KIM, Byeonggeun SON, Jihyeon YIM, Mi Jeong CHOI, Jonggi KIM, Minjee PARK, Hojeong PAEK, Woo Jung SHIN, Young Woong JANG
  • Publication number: 20180162989
    Abstract: Provided are a low temperature curing composition, a cured film obtained by curing the composition, and an electronic device comprising the cured film, wherein the composition comprises: (A) an epoxy group-containing siloxane compound represented by Chemical Formula 1: (R1R2R3SiO1/2)M(R4R5SiO2/2)D1(R6SiO3/2)T1(R7R8SiO2/2)D2(R9SiO3/2)T2 ??[Chemical Formula 1] (In Chemical Formula 1, each of R1 to R9 is an organic group independently selected from a substituted or unsubstituted monovalent aliphatic hydrocarbon group of C1 to C6, a substituted or unsubstituted monovalent cycloaliphatic hydrocarbon group of C6 to C20, a substituted or unsubstituted monovalent aromatic hydrocarbon group of C6 to C20, and an epoxy-substituted monovalent organic group, at least one of R1 to R6 is an epoxy-substituted monovalent organic group, 0?M<1, 0?D1<1, 0<T?1, 0?D2<1, 0?T2<1, and M+D1+T1+D2+T2=1, wherein each of the structural units represented by M, D1, T1, D2, and T2 can include one or more types of different
    Type: Application
    Filed: August 1, 2016
    Publication date: June 14, 2018
    Inventors: Doori SONG, Woo Han KIM, Dongju SHIN, Hong Jeong YU, Jiho LEE
  • Publication number: 20160126598
    Abstract: Disclosed is a jellyroll-type electrode assembly including a first electrode, a second electrode, and a separator interposed between the electrodes folded together, in which the first electrode has a non-coating part and a first electrode tab attached onto the non-coating part, the non-coating part representing a part of the first electrode not coated with an active material, and the at least double-folded-layer separator is disposed between the first electrode tab and the second electrode.
    Type: Application
    Filed: November 12, 2014
    Publication date: May 5, 2016
    Applicant: LG Chem, Ltd.
    Inventors: Je-Jun Lee, Pil-Kyu Park, Jeong-In Yu, Cha-Hun Ku
  • Publication number: 20110290184
    Abstract: Provided is a poly silicon deposition device, which includes an electrode part, a silicon core rod part, a silicon core rod heating part, a gas supply pipe, and a gas injection part. The electrode part includes a first electrode and a second electrode which are disposed in a bottom of a reactor including a gas inlet for introducing source gas, a gas outlet for discharging gas, and a heating material inlet for introducing a heating material, and are spaced a predetermined distance from each other. The silicon core rod part receives electric current from the first electrode and transmits the electric current to the second electrode to generate heat. The silicon core rod heating part is spaced a predetermined distance from the silicon core rod part and surrounds the silicon core rod part and includes a heater receiving the heating material introduced through the heating material inlet of the reactor.
    Type: Application
    Filed: November 25, 2009
    Publication date: December 1, 2011
    Applicant: Semi-Materials Co. Ltd
    Inventors: Ho-Jeong Yu, Seong-Eun Park, Il-Soo Eom
  • Publication number: 20050248707
    Abstract: Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display uses at least one A-plate and adjusts the optical axis direction and the retardation value of the A-plate, thereby improving the contrast characteristic at a front and at a predetermined inclination angle of the in-plane switching liquid crystal display while minimizing a color shift according to viewing angles in the black state.
    Type: Application
    Filed: March 28, 2005
    Publication date: November 10, 2005
    Applicant: LG Chem, Ltd.
    Inventors: Byoung Jeon, Sergey Belyaev, Jeong Yu, Nikolay Malimonenko, Jun Jang
  • Publication number: 20050200792
    Abstract: The present invention relates to an in-plane switching liquid crystal display comprising a negative biaxial retardation film and a positive C-plate, as viewing-angle compensation films. By the use of such viewing-angle compensation films, the contrast characteristics at the front side and inclination angle of the in-plane switching liquid crystal display can be improved and color shift with viewing angle in the dark state can be minimized.
    Type: Application
    Filed: January 7, 2005
    Publication date: September 15, 2005
    Applicant: LG CHEM, LTD
    Inventors: Byoung Jeon, Sergey Belyaev, Jeong Yu, Nikolay Malimonenko
  • Publication number: 20050140900
    Abstract: Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display improves the contrast characteristic at a front and at a predetermined inclination angle thereof by using a +A-plate and a +C-plate while minimizing a color shift according to viewing angles in the black state.
    Type: Application
    Filed: October 21, 2004
    Publication date: June 30, 2005
    Applicant: LG CHEM, LTD.
    Inventors: Byoung Jeon, Serey Belyaev, Jeong Yu, Nikolay Malimonenko
  • Publication number: 20050110933
    Abstract: Disclosed is an in-plane switching liquid crystal display, which uses a positive biaxial retardation film while adjusting an optical axis direction and the retardation value of the positive biaxial retardation film. The in-plane switching liquid crystal display improves the contrast characteristic at a predetermined angular position as well as at a front position thereof, so a color shift according to the viewing angle in the black state is minimized.
    Type: Application
    Filed: November 19, 2004
    Publication date: May 26, 2005
    Inventors: Byoung Jeon, Serey Belyaev, Jeong Yu, Nikolay Malimonenko