Patents by Inventor Ho-June Kim
Ho-June Kim 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).
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Patent number: 12266760Abstract: The present invention relates to a lithium secondary battery which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution, wherein a patterned gel polymer electrolyte layer is included on one surface or both surfaces of at least one structure of the positive electrode, the negative electrode, or the separator.Type: GrantFiled: December 12, 2023Date of Patent: April 1, 2025Assignee: LG Energy Solution, Ltd.Inventors: Joo Sung Lee, Min Ji Kim, Ho June Kim
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Publication number: 20240113332Abstract: The present invention relates to a lithium secondary battery which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution, wherein a patterned gel polymer electrolyte layer is included on one surface or both surfaces of at least one structure of the positive electrode, the negative electrode, or the separator.Type: ApplicationFiled: December 12, 2023Publication date: April 4, 2024Applicant: LG Energy Solution, Ltd.Inventors: Joo Sung Lee, Min Ji Kim, Ho June Kim
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Patent number: 11908996Abstract: The present invention relates to a lithium secondary battery which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution, wherein a patterned gel polymer electrolyte layer is included on one surface or both surfaces of at least one structure of the positive electrode, the negative electrode, or the separator.Type: GrantFiled: January 10, 2018Date of Patent: February 20, 2024Assignee: LG Energy Solution, Ltd.Inventors: Joo Sung Lee, Min Ji Kim, Ho June Kim
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Patent number: 11769877Abstract: The present invention provides a positive electrode for a lithium secondary battery, including a first positive electrode active material including a lithium cobalt-based oxide, and a second positive electrode active material including a lithium composite transition metal oxide containing at least two selected from the group consisting of nickel (Ni), cobalt (Co), and manganese (Mn), wherein, when the state of charge (SOC) of the first positive electrode active material in which the voltage of the lithium secondary battery reaches a constant voltage (CV) at 1 C-rate is referred to as SOC1, and the state of charge (SOC) of the second positive electrode active material in which the voltage of the battery reaches a constant voltage (CV) at 1 C-rate is referred to as SOC2, the SOC1 and the SOC2 satisfy the relationship represented by Equation 1 below. SOC1<SOC2<1.Type: GrantFiled: July 11, 2018Date of Patent: September 26, 2023Inventors: Joo Sung Lee, Ho June Kim, Min Ji Heo
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Publication number: 20200144618Abstract: The present invention provides a positive electrode for a lithium secondary battery, including a first positive electrode active material including a lithium cobalt-based oxide, and a second positive electrode active material including a lithium composite transition metal oxide containing at least two selected from the group consisting of nickel (Ni), cobalt (Co), and manganese (Mn), wherein, when the state of charge (SOC) of the first positive electrode active material in which the voltage of the lithium secondary battery reaches a constant voltage (CV) at 1 C-rate is referred to as SOC1, and the state of charge (SOC) of the second positive electrode active material in which the voltage of the battery reaches a constant voltage (CV) at 1 C-rate is referred to as SOC2, the SOC1 and the SOC2 satisfy the relationship represented by Equation 1 below. SOC1<SOC2<1.Type: ApplicationFiled: July 11, 2018Publication date: May 7, 2020Applicant: LG Chem, Ltd.Inventors: Joo Sung Lee, Ho June Kim, Min Ji Heo
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Publication number: 20200127328Abstract: The present invention relates to a lithium secondary battery which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution, wherein a patterned gel polymer electrolyte layer is included on one surface or both surfaces of at least one structure of the positive electrode, the negative electrode, or the separator.Type: ApplicationFiled: January 10, 2018Publication date: April 23, 2020Applicant: LG Chem, Ltd.Inventors: Joo Sung Lee, Min Ji Kim, Ho June Kim
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Patent number: 10008705Abstract: A separator for secondary batteries is disclosed. The separator includes a separator main body and a coating layer disposed on the separator main body and including a first particle having a first melting point and a second particle having a second melting point that is higher than the first melting point.Type: GrantFiled: April 7, 2014Date of Patent: June 26, 2018Assignee: LG ELECTRONICS INC.Inventors: Yong Ho Kim, Doo Hwan Myung, Geun Ho Choi, Ho June Kim
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Patent number: 9646559Abstract: A display device including a panel having a display area and first, second, third and fourth non-display areas formed at an outer portion of the display area, said first non-display area facing the second non-display area, and the third non-display area facing the fourth non-display area; a data driver disposed in the first non-display area, and configured to drive a plurality of data lines provided in a first direction in the display area; a gate driver disposed in the second non-display area and configured to drive a plurality of gate lines provided in a second direction vertical to the first direction in the display area; a timing controller configured to drive the data driver and the gate driver; and a plurality of link lines in the display area and extending from the gate driver and provided in parallel to the data lines respectively connected to the gate lines.Type: GrantFiled: August 6, 2013Date of Patent: May 9, 2017Assignee: LG Display Co., Ltd.Inventors: Woong Ki Min, Heum Seok Baek, Mi Young Son, Ho June Kim, Yoon San Park, Sung Gon Park
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Publication number: 20160072111Abstract: A separator for secondary batteries is disclosed. The separator includes a separator main body and a coating layer disposed on the separator main body and including a first particle having a first melting point and a second particle having a second melting point that is higher than the first melting point.Type: ApplicationFiled: April 7, 2014Publication date: March 10, 2016Applicant: LG ELECTRONICS INC.Inventors: Yong Ho KIM, Doo Hwan MYUNG, Geun Ho CHOI, Ho June KIM
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Patent number: 8703554Abstract: An array substrate for an LCD device includes a gate line crossing a data line to define a pixel region. A thin film transistor (TFT) includes a gate electrode connected to the gate line, insulating and active layers on the gate electrode, a source electrode connected to the data line, and a drain electrode spaced apart from the source electrode. An auxiliary common electrode includes a horizontal portion disposed in the pixel region. A metal layer overlaps the insulating layer and contacts the horizontal portion of the auxiliary common electrode through a contact hole defined through the insulating layer. A passivation layer is disposed on the TFT and the metal layer. A pixel electrode has a horizontal portion overlapping the metal layer with the passivation layer therebetween to form a storage capacitor, the pixel electrode connected to the drain electrode through a second contact hole defined through the passivation layer.Type: GrantFiled: November 28, 2012Date of Patent: April 22, 2014Assignee: LG Display Co., Ltd.Inventors: Il-Man Choi, Ho-June Kim
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Publication number: 20140043306Abstract: A display device including a panel having a display area and first, second, third and fourth non-display areas formed at an outer portion of the display area, said first non-display area facing the second non-display area, and the third non-display area facing the fourth non-display area; a data driver disposed in the first non-display area, and configured to drive a plurality of data lines provided in a first direction in the display area; a gate driver disposed in the second non-display area and configured to drive a plurality of gate lines provided in a second direction vertical to the first direction in the display area; a timing controller configured to drive the data driver and the gate driver; and a plurality of link lines in the display area and extending from the gate driver and provided in parallel to the data lines respectively connected to the gate lines.Type: ApplicationFiled: August 6, 2013Publication date: February 13, 2014Applicant: LG Display Co., Ltd.Inventors: Woong Ki MIN, Heum Seok BAEK, Mi Young SON, Ho June KIM, Yoon San PARK, Sung Gon PARK
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Patent number: 8357936Abstract: An array substrate for an LCD device includes a gate line crossing a data line to define a pixel region. A thin film transistor (TFT) includes a gate electrode connected to the gate line, insulating and active layers on the gate electrode, a source electrode connected to the data line, and a drain electrode spaced apart from the source electrode. An auxiliary common electrode includes a horizontal portion disposed in the pixel region. A metal layer overlaps the insulating layer and contacts the horizontal portion of the auxiliary common electrode through a contact hole defined through the insulating layer. A passivation layer is disposed on the TFT and the metal layer. A pixel electrode has a horizontal portion overlapping the metal layer with the passivation layer therebetween to form a storage capacitor, the pixel electrode connected to the drain electrode through a second contact hole defined through the passivation layer.Type: GrantFiled: August 22, 2007Date of Patent: January 22, 2013Assignee: LG Display Co., Ltd.Inventors: Il-Man Choi, Ho-June Kim
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Publication number: 20080099764Abstract: An array substrate for an LCD device includes a gate line crossing a data line to define a pixel region. A thin film transistor (TFT) includes a gate electrode connected to the gate line, insulating and active layers on the gate electrode, a source electrode connected to the data line, and a drain electrode spaced apart from the source electrode. An auxiliary common electrode includes a horizontal portion disposed in the pixel region. A metal layer overlaps the insulating layer and contacts the horizontal portion of the auxiliary common electrode through a contact hole defined through the insulating layer. A passivation layer is disposed on the TFT and the metal layer. A pixel electrode has a horizontal portion overlapping the metal layer with the passivation layer therebetween to form a storage capacitor, the pixel electrode connected to the drain electrode through a second contact hole defined through the passivation layer.Type: ApplicationFiled: August 22, 2007Publication date: May 1, 2008Inventors: Ii-Man Choi, Ho-June Kim