Patents by Inventor Junbo PARK
Junbo 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: 10734878Abstract: The present disclosure relates to a spherical wheel motor and a control system thereof, and more particularly, the spherical wheel motor and the control system include a spherical rotor and a stator surrounding an upper surface of the rotor. The rotor includes a spherical outer shell part, a first axial magnet extending in a horizontal direction in the outer shell part, a second axial magnet extending in the horizontal direction and facing the first axial magnet, and a rotary magnet belt provided in a form of a belt with the first axial magnet and the second axial magnet as a central axis. The rotary magnet belt includes a plurality of first rotary magnets and a plurality of second rotary magnets arranged alternately.Type: GrantFiled: September 5, 2018Date of Patent: August 4, 2020Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Minki Kim, Junbo Park, Dong Yun Jung
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Publication number: 20190097513Abstract: The present disclosure relates to a spherical wheel motor and a control system thereof, and more particularly, the spherical wheel motor and the control system include a spherical rotor and a stator surrounding an upper surface of the rotor. The rotor includes a spherical outer shell part, a first axial magnet extending in a horizontal direction in the outer shell part, a second axial magnet extending in the horizontal direction and facing the first axial magnet, and a rotary magnet belt provided in a form of a belt with the first axial magnet and the second axial magnet as a central axis. The rotary magnet belt includes a plurality of first rotary magnets and a plurality of second rotary magnets arranged alternately.Type: ApplicationFiled: September 5, 2018Publication date: March 28, 2019Inventors: Minki KIM, Junbo PARK, Dong Yun JUNG
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Patent number: 9905654Abstract: Provided is a bridge diode according to an embodiment of the inventive concept. The bridge diode includes a first structure including a first lower nitride film and a first upper nitride film, which are laminated on the substrate, a second structure including a second lower nitride film and a second upper nitride film, which are laminated on the substrate, a first electrode structural body disposed on the first structure, and a second electrode structural body disposed on the second structure.Type: GrantFiled: July 20, 2016Date of Patent: February 27, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dong Yun Jung, Hyun Soo Lee, Sang Choon Ko, Minki Kim, Jeho Na, Eun Soo Nam, Young Rak Park, Junbo Park, Hyung Seok Lee, Hyun-Gyu Jang, Chi Hoon Jun
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Patent number: 9800181Abstract: Provided is a hybrid diode device. The hybrid diode device includes a first lower nitride layer disposed on a substrate and including a first 2-dimensional electron gas (2DEG) layer, a second lower nitride layer extending from the first lower nitride layer to the outside of the substrate and including a second 2DEG layer, a first upper nitride layer disposed on the first lower nitride layer, a second upper nitride layer disposed on the second lower nitride layer, a first cap layer disposed on the first upper nitride layer, a second cap layer disposed on the second upper nitride layer, a first electrode structure connected to the first lower nitride layer and the first cap layer; and a second electrode structure connected to the second lower nitride layer and the first electrode structure. The second lower nitride layer generates electric energy through dynamic movement.Type: GrantFiled: October 21, 2016Date of Patent: October 24, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chi Hoon Jun, Sang Choon Ko, Minki Kim, Jeho Na, Young Rak Park, Junbo Park, Hyun Soo Lee, Hyung Seok Lee, Hyun-Gyu Jang, Dong Yun Jung
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Patent number: 9755027Abstract: Provided is an electronic device. The electronic device includes a first semiconductor layer and a second semiconductor layer sequentially stacked on a substrate and a source electrode, a gate electrode, and a drain electrode arranged on the second semiconductor layer. The electronic device further includes a field plate which is electrically connected to the source electrode and extends towards the drain electrode, wherein the field plate becomes farther away from the substrate as the field plate becomes closer to the drain electrode.Type: GrantFiled: September 14, 2016Date of Patent: September 5, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyung Seok Lee, Ki Hwan Kim, Sang Choon Ko, Zin-Sig Kim, Jeho Na, Eun Soo Nam, Young Rak Park, Junbo Park, Chi hoon Jun, Dong Yun Jung
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Publication number: 20170141704Abstract: Provided is a hybrid diode device. The hybrid diode device includes a first lower nitride layer disposed on a substrate and including a first 2-dimensional electron gas (2DEG) layer, a second lower nitride layer extending from the first lower nitride layer to the outside of the substrate and including a second 2DEG layer, a first upper nitride layer disposed on the first lower nitride layer, a second upper nitride layer disposed on the second lower nitride layer, a first cap layer disposed on the first upper nitride layer, a second cap layer disposed on the second upper nitride layer, a first electrode structure connected to the first lower nitride layer and the first cap layer; and a second electrode structure connected to the second lower nitride layer and the first electrode structure. The second lower nitride layer generates electric energy through dynamic movement.Type: ApplicationFiled: October 21, 2016Publication date: May 18, 2017Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chi Hoon JUN, Sang Choon KO, Minki KIM, Jeho NA, Young Rak PARK, Junbo PARK, Hyun Soo LEE, Hyung Seok LEE, Hyun-Gyu JANG, Dong Yun JUNG
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Publication number: 20170077282Abstract: Provided is an electronic device. The electronic device includes a first semiconductor layer and a second semiconductor layer sequentially stacked on a substrate and a source electrode, a gate electrode, and a drain electrode arranged on the second semiconductor layer. The electronic device further includes a field plate which is electrically connected to the source electrode and extends towards the drain electrode, wherein the field plate becomes farther away from the substrate as the field plate becomes closer to the drain electrode.Type: ApplicationFiled: September 14, 2016Publication date: March 16, 2017Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyung Seok LEE, Ki Hwan KIM, Sang Choon KO, Zin-Sig KIM, Jeho NA, EUN SOO NAM, Young Rak PARK, Junbo PARK, Chi Hoon JUN, Dong Yun JUNG
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Publication number: 20170062385Abstract: Disclosed is a power converting device including: a first laminate having a plurality of non-magnetic substrates which are laminated; electronic devices disposed on at least one of the non-magnetic substrates; first conductive patterns disposed on the non-magnetic substrate on which the electronic devices are disposed, the first conductive patterns being connected to the electronic devices; at least one via electrode connecting the respective first conductive patterns to each other; a second laminate disposed on one side of the first laminate and having a plurality of magnetic sheets which are laminated; second conductive patterns disposed on at least two magnetic sheets among the plurality of magnetic sheets; and at least one via electrode connecting the respective second conductive patterns to each other, wherein the first and second via electrodes are connected to each other.Type: ApplicationFiled: July 27, 2016Publication date: March 2, 2017Applicant: Electronics and Telecommunications Research InstituteInventors: Dong Yun JUNG, Sang Choon KO, Chi Hoon JUN, Minki KIM, Jeho NA, EUN SOO NAM, Young Rak PARK, Junbo PARK, Hyun Soo LEE, Hyung Seok LEE, Hyun-Gyu JANG
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Publication number: 20170025550Abstract: Provided is a bridge diode according to an embodiment of the inventive concept. The bridge diode includes a first structure including a first lower nitride film and a first upper nitride film, which are laminated on the substrate, a second structure including a second lower nitride film and a second upper nitride film, which are laminated on the substrate, a first electrode structural body disposed on the first structure, and a second electrode structural body disposed on the second structure.Type: ApplicationFiled: July 20, 2016Publication date: January 26, 2017Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dong Yun JUNG, Hyun Soo LEE, Sang Choon KO, Minki KIM, Jeho NA, EUN SOO NAM, Young Rak PARK, Junbo PARK, Hyung Seok LEE, Hyun-Gyu JANG, Chi Hoon JUN