Patents by Inventor Byoung Kyu PARK
Byoung Kyu 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).
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Patent number: 11946976Abstract: An apparatus for measuring an insulation resistance according to the present invention includes: a first distribution resistor connected to a positive terminal of a battery and a ground; a first switch connected to the positive terminal of the battery and the first distribution resistor; a second distribution resistor connected to a negative terminal of the battery and the ground; a second switch connected to the negative terminal of the battery and the second distribution resistor; and an insulation resistance measurement unit measuring a resistance value of a negative electrode insulation resistor of the battery using a first voltage applied to the first distribution resistor and measuring a resistance value of a positive electrode insulation resistor of the battery using a second voltage applied to the second distribution resistor.Type: GrantFiled: February 22, 2022Date of Patent: April 2, 2024Assignee: SK ON CO., LTD.Inventors: Ho Sang Jang, Seon Yong Kim, Byoung Kyu Park, Yong Sug Choi
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Patent number: 11740289Abstract: The present disclosure relates to a relay examination device and a battery management system including the same, the relay examination device includes a first resistor unit having one end connected to one end of a relay, a second resistor unit having one end connected to the other end of the first resistor unit, a power unit connected to the other end of the second resistor unit and configured to supply power, and a control unit configured to receive a voltage signal applied between the first resistor unit and the second resistor unit and to examine whether the relay is open or closed or whether the relay has malfunctioned.Type: GrantFiled: May 3, 2022Date of Patent: August 29, 2023Assignee: SK ON CO., LTD.Inventors: Byoung Kyu Park, Ho Sang Jang, Seon Yong Kim, Yong Sug Choi
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Patent number: 11600893Abstract: A battery system according to the present invention includes: a plurality of battery cells electrically connected to each other; cell voltage sensing lines connected to ends of the battery cells, respectively; a battery management system sensing voltages of the battery cells through the respective cell voltage sensing lines; fuses connected to the cell voltage sensing lines, respectively, to cut off a flow of an excessive current exceeding a rated current when the excessive current flows through the cell voltage sensing lines; and emergency preventing switches connected to the cell voltage sensing lines, respectively, so as to be turned on at the time of sensing the voltage of the battery cell, and turned off in a case when a short circuit between the cell voltage sensing lines occurs.Type: GrantFiled: December 20, 2019Date of Patent: March 7, 2023Assignee: SK ON CO., LTD.Inventors: Byoung Kyu Park, Seok Min Kim, Seon Yong Kim, Ha Chul Jeong
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Publication number: 20220260638Abstract: The present disclosure relates to a relay examination device and a battery management system including the same, the relay examination device includes a first resistor unit having one end connected to one end of a relay, a second resistor unit having one end connected to the other end of the first resistor unit, a power unit connected to the other end of the second resistor unit and configured to supply power, and a control unit configured to receive a voltage signal applied between the first resistor unit and the second resistor unit and to examine whether the relay is open or closed or whether the relay has malfunctioned.Type: ApplicationFiled: May 3, 2022Publication date: August 18, 2022Inventors: Byoung Kyu PARK, Ho Sang Jang, Seon Yong Kim, Yong Sug Choi
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Publication number: 20220179006Abstract: An apparatus for measuring an insulation resistance according to the present invention includes: a first distribution resistor connected to a positive terminal of a battery and a ground; a first switch connected to the positive terminal of the battery and the first distribution resistor; a second distribution resistor connected to a negative terminal of the battery and the ground; a second switch connected to the negative terminal of the battery and the second distribution resistor; and an insulation resistance measurement unit measuring a resistance value of a negative electrode insulation resistor of the battery using a first voltage applied to the first distribution resistor and measuring a resistance value of a positive electrode insulation resistor of the battery using a second voltage applied to the second distribution resistor.Type: ApplicationFiled: February 22, 2022Publication date: June 9, 2022Inventors: Ho Sang JANG, Seon Yong KIM, Byoung Kyu PARK, Yong Sug CHOI
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Patent number: 11340297Abstract: The present disclosure relates to a relay examination device and a battery management system including the same, the relay examination device includes a first resistor unit having one end connected to one end of a relay, a second resistor unit having one end connected to the other end of the first resistor unit, a power unit connected to the other end of the second resistor unit and configured to supply power, and a control unit configured to receive a voltage signal applied between the first resistor unit and the second resistor unit and to examine whether the relay is open or closed or whether the relay has malfunctioned.Type: GrantFiled: April 3, 2020Date of Patent: May 24, 2022Assignee: SK INNOVATION CO., LTD.Inventors: Byoung Kyu Park, Ho Sang Jang, Seon Yong Kim, Yong Sug Choi
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Patent number: 11293991Abstract: An apparatus for measuring an insulation resistance according to the present invention includes: a first distribution resistor connected to a positive terminal of a battery and a ground; a first switch connected to the positive terminal of the battery and the first distribution resistor; a second distribution resistor connected to a negative terminal of the battery and the ground; a second switch connected to the negative terminal the battery and the second distribution resistor; and an insulation resistance measurement unit measuring a resistance value of a negative electrode insulation resistor of the battery using a first voltage applied to the first distribution resistor and measuring a resistance value of a positive electrode insulation resistor of the battery using a second voltage applied to the second distribution resistor.Type: GrantFiled: March 11, 2020Date of Patent: April 5, 2022Assignee: SK INNOVATION CO., LTD.Inventors: Ho Sang Jang, Seon Yong Kim, Byoung Kyu Park, Yong Sug Choi
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Patent number: 10907789Abstract: A light-emitting device includes a substrate including a first electrode group and a second electrode group, a first light emitting unit, a second light emitting unit, and a side wall. The first light emitting unit is provided on the upper surface of the substrate and electrically connected to the first electrode group. The second light emitting unit is provided on the upper surface of the substrate and electrically connected to the second electrode group. The side wall surrounds the first light-emitting unit and the second light-emitting unit. The first light emitting unit and the second light emitting unit are arranged side by side such that a separation space between the first light emitting unit and the second light emitting unit is smaller than a space between the second light emitting unit and an outer peripheral surface of the side wall.Type: GrantFiled: April 17, 2020Date of Patent: February 2, 2021Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Yoon Seop Lee, Da Hye Kim, Sang Hong Lee, Byoung Kyu Park, Dae Wook Kim, Jae Hyun Park
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Publication number: 20200326374Abstract: The present disclosure relates to a relay examination device and a battery management system including the same, the relay examination device includes a first resistor unit having one end connected to one end of a relay, a second resistor unit having one end connected to the other end of the first resistor unit, a power unit connected to the other end of the second resistor unit and configured to supply power, and a control unit configured to receive a voltage signal applied between the first resistor unit and the second resistor unit and to examine whether the relay is open or closed or whether the relay has malfunctioned.Type: ApplicationFiled: April 3, 2020Publication date: October 15, 2020Inventors: Byoung Kyu PARK, Ho Sang JANG, Seon Yong KIM, Yong Sug CHOI
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Publication number: 20200292623Abstract: An apparatus for measuring an insulation resistance according to the present invention includes: a first distribution resistor connected to a positive terminal of a battery and a ground; a first switch connected to the positive terminal of the battery and the first distribution resistor; a second distribution resistor connected to a negative terminal of the battery and the ground; a second switch connected to the negative terminal the battery and the second distribution resistor; and an insulation resistance measurement unit measuring a resistance value of a negative electrode insulation resistor of the battery using a first voltage applied to the first distribution resistor and measuring a resistance value of a positive electrode insulation resistor of the battery using a second voltage applied to the second distribution resistor.Type: ApplicationFiled: March 11, 2020Publication date: September 17, 2020Inventors: Ho Sang JANG, Seon Yong KIM, Byoung Kyu PARK, Yong Sug CHOI
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Publication number: 20200256526Abstract: A light-emitting device includes a substrate including a first electrode group and a second electrode group, a first light emitting unit, a second light emitting unit, and a side wall. The first light emitting unit is provided on the upper surface of the substrate and electrically connected to the first electrode group. The second light emitting unit is provided on the upper surface of the substrate and electrically connected to the second electrode group. The side wall surrounds the first light-emitting unit and the second light-emitting unit. The first light emitting unit and the second light emitting unit are arranged side by side such that a separation space between the first light emitting unit and the second light emitting unit is smaller than a space between the second light emitting unit and an outer peripheral surface of the side wall.Type: ApplicationFiled: April 17, 2020Publication date: August 13, 2020Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Yoon Seop LEE, Da Hye KIM, Sang Hong LEE, Byoung Kyu PARK, Dae Wook KIM, Jae Hyun PARK
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Publication number: 20200203702Abstract: A battery system according to the present invention includes: a plurality of battery cells electrically connected to each other; cell voltage sensing lines connected to ends of the battery cells, respectively; a battery management system sensing voltages of the battery cells through the respective cell voltage sensing lines; fuses connected to the cell voltage sensing lines, respectively, to cut off a flow of an excessive current exceeding a rated current when the excessive current flows through the cell voltage sensing lines; and emergency preventing switches connected to the cell voltage sensing lines, respectively, so as to be turned on at the time of sensing the voltage of the battery cell, and turned off in a case when a short circuit between the cell voltage sensing lines occurs.Type: ApplicationFiled: December 20, 2019Publication date: June 25, 2020Inventors: Byoung Kyu PARK, Seok Min KIM, Seon Yong KIM, Ha Chul JEONG
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Patent number: 10655801Abstract: A light emitting device and a vehicular lamp are provided. The light emitting device comprises: a first light emitting unit; a second light emitting unit separated from the first light emitting unit; and a sidewall surrounding side surfaces of the first and second light emitting units while adjoining the side surfaces of the first and second light emitting units, wherein the first light emitting unit and the second light emitting unit emit light have different peak wavelengths.Type: GrantFiled: June 17, 2019Date of Patent: May 19, 2020Assignee: Seoul Semiconductor Co., Ltd.Inventors: Yoon Seop Lee, Da Hye Kim, Sang Hong Lee, Byoung Kyu Park, Dae Wook Kim, Jae Hyun Park
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Publication number: 20190309916Abstract: A light emitting device and a vehicular lamp are provided. The light emitting device comprises: a first light emitting unit; a second light emitting unit separated from the first light emitting unit; and a sidewall surrounding side surfaces of the first and second light emitting units while adjoining the side surfaces of the first and second light emitting units, wherein the first light emitting unit and the second light emitting unit emit light have different peak wavelengths.Type: ApplicationFiled: June 17, 2019Publication date: October 10, 2019Inventors: Yoon Seop LEE, Da Hye KIM, Sang Hong LEE, Byoung Kyu PARK, Dae Wook KIM, Jae Hyun PARK
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Patent number: 10323803Abstract: A light emitting device and a vehicular lamp are provided. The light emitting device comprises: a first light emitting unit; a second light emitting unit separated from the first light emitting unit; and a sidewall surrounding side surfaces of the first and second light emitting units while adjoining the side surfaces of the first and second light emitting units, wherein the first light emitting unit and the second light emitting unit emit light have different peak wavelengths.Type: GrantFiled: November 18, 2015Date of Patent: June 18, 2019Assignee: Seoul Semiconductor Co., Ltd.Inventors: Yoon Seop Lee, Da Hye Kim, Sang Hong Lee, Byoung Kyu Park, Dae Wook Kim, Jae Hyun Park
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Patent number: 10283675Abstract: A light emitting diode including a semiconductor stack including a lower semiconductor layer, an active layer, and an upper semiconductor layer; an upper electrode connected to the upper semiconductor layer and including an electrode pad and extensions extending from the electrode pad; and a lower electrode connected to the lower semiconductor layer. The electrode pad includes a first electrode pad having an elongated shape, disposed along a first side of the upper semiconductor layer, and covering the upper semiconductor layer near the first side of the upper semiconductor layer, and the extensions include an edge extension extending along an edge of the upper semiconductor layer in the electrode pad and surrounding a luminous region and middle extensions extending from the edge extension or the electrode pad and dividing the luminous region into a plurality of luminous regions.Type: GrantFiled: June 14, 2017Date of Patent: May 7, 2019Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Kyun You, Byoung Kyu Park, Chang Yeon Kim, Chae Hon Kim
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Patent number: 10274143Abstract: A light emitting device including: a substrate; first and second light emitting units disposed on the substrate separate from each other and respectively including first and second light emitting diodes, on which first and second wavelength converters are respectively disposed; first and second bonding layers interposed between the substrate and the first and second light emitting units, respectively; a sidewall disposed surrounding and adjoining side surfaces of the first and second light emitting units; and a filler evenly disposed in the sidewall and capable of reflecting light from the first and second light emitting units, wherein the substrate includes plurality electrodes, wherein a first portion of the sidewall directly contacts both of the first light emitting diode and the second light emitting diode, and wherein a second portion of the sidewall separates and directly contacts the first wavelength converter and the second wavelength converter.Type: GrantFiled: August 29, 2018Date of Patent: April 30, 2019Assignee: Seoul Semiconductor Co., Ltd.Inventors: Yoon Seop Lee, Da Hye Kim, Sang Hong Lee, Byoung Kyu Park, Dae Wook Kim, Jae Hyun Park
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Publication number: 20190017664Abstract: A light emitting device including: a substrate; first and second light emitting units disposed on the substrate separate from each other and respectively including first and second light emitting diodes, on which first and second wavelength converters are respectively disposed; first and second bonding layers interposed between the substrate and the first and second light emitting units, respectively; a sidewall disposed surrounding and adjoining side surfaces of the first and second light emitting units; and a filler evenly disposed in the sidewall and capable of reflecting light from the first and second light emitting units, wherein the substrate includes plurality electrodes, wherein a first portion of the sidewall directly contacts both of the first light emitting diode and the second light emitting diode, and wherein a second portion of the sidewall separates and directly contacts the first wavelength converter and the second wavelength converter.Type: ApplicationFiled: August 29, 2018Publication date: January 17, 2019Inventors: Yoon Seop LEE, Da Hye Kim, Sang Hong Lee, Byoung Kyu Park, Dae Wook Kim, Jae Hyun Park
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Publication number: 20180259137Abstract: A light emitting device and a vehicular lamp are provided. The light emitting device comprises: a first light emitting unit; a second light emitting unit separated from the first light emitting unit; and a sidewall surrounding side surfaces of the first and second light emitting units while adjoining the side surfaces of the first and second light emitting units, wherein the first light emitting unit and the second light emitting unit emit light have different peak wavelengths.Type: ApplicationFiled: November 18, 2015Publication date: September 13, 2018Inventors: Yoon Seop LEE, DaHye Kim, Sang Hong Lee, Byoung Kyu Park, Dae Wook Kim, Jae Hyun Park
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Publication number: 20170365743Abstract: A light emitting diode including a semiconductor stack including a lower semiconductor layer, an active layer, and an upper semiconductor layer; an upper electrode connected to the upper semiconductor layer and including an electrode pad and extensions extending from the electrode pad; and a lower electrode connected to the lower semiconductor layer. The electrode pad includes a first electrode pad having an elongated shape, disposed along a first side of the upper semiconductor layer, and covering the upper semiconductor layer near the first side of the upper semiconductor layer, and the extensions include an edge extension extending along an edge of the upper semiconductor layer in the electrode pad and surrounding a luminous region and middle extensions extending from the edge extension or the electrode pad and dividing the luminous region into a plurality of luminous regions.Type: ApplicationFiled: June 14, 2017Publication date: December 21, 2017Inventors: Jong Kyun YOU, Byoung Kyu PARK, Chang Yeon KIM, Chae Hon KIM