Patents by Inventor Jae Ho Han
Jae Ho Han 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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Publication number: 20220367888Abstract: An apparatus for controlling driving of a stack cooling pump of a fuel cell system is provided. The apparatus includes a cooling unit having a fuel cell stack installed in a fuel cell vehicle and a cooling pump configured to move a coolant. A reservoir allows the coolant moving toward the cooling pump to be injected thereinto. A controller is configured to sequentially operate the cooling pump in a predetermined pre-run mode and a predetermined air bubble removal mode when the coolant is injected into the reservoir.Type: ApplicationFiled: May 4, 2022Publication date: November 17, 2022Inventors: Chul Wan PARK, Jae Ho Han, Young June Oh, Jin Hun Lee, Chang Hwa Hyun
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Publication number: 20220190365Abstract: Disclosed are a system and method for controlling a cold start of a fuel cell.Type: ApplicationFiled: August 27, 2021Publication date: June 16, 2022Inventors: Jae Ho HAN, Dae Jong KIM
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Patent number: 11283090Abstract: The present disclosure relates to an apparatus and a method for controlling a concentration of exhaust hydrogen in a fuel cell system. The apparatus may include an air exhaust valve for discharging hydrogen from a cathode in a fuel cell stack to an outside environment through an air exhaust line, an air compressor for supplying ambient air to the air exhaust line, an air cut-off valve for blocking air supplied to the cathode, and a controller that opens the air exhaust valve and drives the air compressor when starting to supply hydrogen to the fuel cell stack, and opens the air cut-off valve such that a concentration of the hydrogen discharged from the cathode is reduced by air in the air exhaust line when the hydrogen supply is completed.Type: GrantFiled: July 13, 2020Date of Patent: March 22, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jae Ho Han, Jae Won Jung, Jai Hyun Ahn, Dae Jong Kim, Hyun Jae Lee
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Patent number: 11081271Abstract: The present disclosure discloses a circuit protection device including a first magnetic layer in which a plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed, a second magnetic layer in which a plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed, and a nonmagnetic layer in which a plurality of nonmagnetic sheets are laminated and which is disposed between the first and second magnetic layers. A noise filter part including a plurality of coil patterns is disposed in the nonmagnetic layer.Type: GrantFiled: May 15, 2017Date of Patent: August 3, 2021Inventors: Gyeong Tae Kim, Myung Ho Lee, Tae Geun Seo, Heon Guk Ha, Jae Ho Han
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Patent number: 11031169Abstract: The present disclosure discloses a circuit protection device including a first magnetic layer in which a plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed, a second magnetic layer in which a plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed, and a nonmagnetic layer in which a plurality of nonmagnetic sheets are laminated and which is disposed between the first and second magnetic layers. A noise filter part including a plurality of coil patterns is disposed in the nonmagnetic layer.Type: GrantFiled: May 15, 2017Date of Patent: June 8, 2021Inventors: Gyeong Tae Kim, Myung Ho Lee, Tae Geun Seo, Heon Guk Ha, Jae Ho Han
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Publication number: 20210151784Abstract: The present disclosure relates to an apparatus and a method for controlling a concentration of exhaust hydrogen in a fuel cell system. The apparatus may include an air exhaust valve for discharging hydrogen from a cathode in a fuel cell stack to an outside environment through an air exhaust line, an air compressor for supplying ambient air to the air exhaust line, an air cut-off valve for blocking air supplied to the cathode, and a controller that opens the air exhaust valve and drives the air compressor when starting to supply hydrogen to the fuel cell stack, and opens the air cut-off valve such that a concentration of the hydrogen discharged from the cathode is reduced by air in the air exhaust line when the hydrogen supply is completed.Type: ApplicationFiled: July 13, 2020Publication date: May 20, 2021Inventors: Jae Ho HAN, Jae Won JUNG, Jai Hyun AHN, Dae Jong KIM, Hyun Jae LEE
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Publication number: 20190122801Abstract: The present disclosure discloses a circuit protection device including a first magnetic layer in which a plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed, a second magnetic layer in which a plurality of magnetic sheets are laminated and of which at least a portion of one surface is exposed, and a nonmagnetic layer in which a plurality of nonmagnetic sheets are laminated and which is disposed between the first and second magnetic layers. A noise filter part including a plurality of coil patterns is disposed in the nonmagnetic layer.Type: ApplicationFiled: May 15, 2017Publication date: April 25, 2019Inventors: Gyeong Tae KIM, Myung Ho LEE, Tae Geun SEO, Heon Guk HA, Jae Ho HAN
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Patent number: 10230175Abstract: The present invention relates to a multiband antenna comprising: a reflector providing a ground plane; a first radiation module for a first frequency band, provided on the reflector; and a plurality of second radiation modules for a second frequency band, laminated on the first radiation module, wherein: the first radiation module includes first to fourth radiation elements symmetrically combined in four directions on an entire plane, wherein each of the first to fourth radiation elements includes a radiation arm in a cup shape and a support for supporting and fixing the radiation arm to the reflector, and the second radiation modules are provided to each radiation arm of the first to fourth radiation elements, wherein the lower surface of the cup shape of each radiation arm of the first to fourth radiation elements is designed to have a predetermined area for providing the ground plane to the second radiation modules.Type: GrantFiled: May 2, 2016Date of Patent: March 12, 2019Assignee: KMW INC.Inventors: Stewart Wilson John, Soon-Wook Kim, Jae-Hwan Lim, Seong-Ha Lee, Seung-Hwa Kim, Jae-Ho Han
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Publication number: 20190067538Abstract: A light-emitting package includes a light-emitting structure having a first surface and a second surface opposite to the first surface. The light-emitting package further includes an electrode layer disposed on the first surface and an insulating layer disposed on the light-emitting structure and the electrode layer. The light-emitting package additionally includes an interconnection conductive layer penetrating the insulating layer and connected to the electrode layer and a reflective layer disposed between the insulating layer and the interconnection conductive layer. The reflective layer reflects light generated from the light-emitting structure in a direction toward the second surface.Type: ApplicationFiled: March 19, 2018Publication date: February 28, 2019Inventors: Jung-wook LEE, Geun-woo KO, Pun-jae CHOI, Jae-ho Han
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Patent number: 10160855Abstract: A metallic polypropylene resin composition is provided herein. The metallic polypropylene resin composition provides appearance characteristics that are similar to those provided by painting, but without painting. The metallic polypropylene resin composition of the present invention has excellent physical properties such as scratch resistance, and thus may be applied to molding methods, such as a molded in color (MIC) method. The resin composition is useful as a material for automobile interior and exterior parts, as wells as electric and electronic products, which can be molded by the MIC method.Type: GrantFiled: March 21, 2017Date of Patent: December 25, 2018Assignees: Hyundai Motor Company, Kia Motors Corporation, Hanwha Total Petrochemical Co., Ltd.Inventors: Min Jin Choi, Young Ho Choi, Yong Bum Lee, Ji Hyun Jung, Jae Ho Han, Byoung Ho Lee, Jae Gon Lim, Joung Hwan Han
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Publication number: 20170335098Abstract: A metallic polypropylene resin composition is provided herein. The metallic polypropylene resin composition provides appearance characteristics that are similar to those provided by painting, but without painting. The metallic polypropylene resin composition of the present invention has excellent physical properties such as scratch resistance, and thus may be applied to molding methods, such as a molded in color (MIC) method. The resin composition is useful as a material for automobile interior and exterior parts, as wells as electric and electronic products, which can be molded by the MIC method.Type: ApplicationFiled: March 21, 2017Publication date: November 23, 2017Applicants: Hyundai Motor Company, Kia Motors Corporation, Hanwha Total Petrochemical Co., Ltd.Inventors: Min Jin CHOI, Young Ho CHOI, Yong Bum LEE, Ji Hyun JUNG, Jae Ho HAN, Byoung Ho LEE, Jae Gon LIM, Joung Hwan HAN
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Publication number: 20160248171Abstract: The present invention relates to a multiband antenna comprising: a reflector providing a ground plane; a first radiation module for a first frequency band, provided on the reflector; and a plurality of second radiation modules for a second frequency band, laminated on the first radiation module, wherein: the first radiation module includes first to fourth radiation elements symmetrically combined in four directions on an entire plane, wherein each of the first to fourth radiation elements includes a radiation arm in a cup shape and a support for supporting and fixing the radiation arm to the reflector, and the second radiation modules are provided to each radiation arm of the first to fourth radiation elements, wherein the lower surface of the cup shape of each radiation arm of the first to fourth radiation elements is designed to have a predetermined area for providing the ground plane to the second radiation modules.Type: ApplicationFiled: May 2, 2016Publication date: August 25, 2016Inventors: Stewart Wilson John, Soon-Wook Kim, Jae-Hwan Lim, Seong-Ha Lee, Seung-Hwa Kim, Jae-Ho Han
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Publication number: 20160133788Abstract: Semiconductor light-emitting devices, and semiconductor light-emitting packages, include at least one light-emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer sequentially stacked on a substrate, the at least one light-emitting structure having a first region and a second region delimiting the first region. The light-emitting device includes a groove in the second region, and the groove is adjacent to an edge of the substrate and extends parallel to the edge of the substrate.Type: ApplicationFiled: July 1, 2015Publication date: May 12, 2016Inventors: Tae Hun KIM, Myong Soo CHO, Yeon Ji KIM, Yong Seok KIM, Tae Kang KIM, Jae Ho HAN
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Patent number: 9142730Abstract: A method of manufacturing a semiconductor light emitting device is performed on a light emitting structure including a sequential stack of a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer. The second conductivity-type semiconductor layer and the active layer are mesa-etched to expose a portion of the first conductivity-type semiconductor layer therethrough. A conductive layer is formed on the second conductivity-type semiconductor layer and the portion of the first conductivity-type semiconductor layer exposed by mesa-etching. In turn, the conductive layer is dry etched such that an upper surface of the first conductivity-type semiconductor layer is partially etched to have uneven portions formed thereon. The resulting semiconductor light emitting device has improved external light extraction efficiency while being easily manufactured.Type: GrantFiled: May 22, 2014Date of Patent: September 22, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Ho Han, Myeong Ha Kim
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Patent number: 9130125Abstract: A semiconductor light emitting device may include an n-type semiconductor layer, an active layer and a p-type semiconductor layer disposed in a first region corresponding to a portion of an upper surface of the n-type semiconductor layer, an n-type electrode formed in a second region distinct from the first region on the n-type semiconductor layer to be electrically connected to the n-type semiconductor layer and including an n-type electrode pad and first and second n-type electrode fingers, and a p-type electrode formed on the p-type semiconductor layer to be electrically connected to the p-type semiconductor layer and including a p-type electrode pad and a p-type electrode finger. A distance between n-type and p-type electrodes may be constant to significantly reduce a phenomenon of concentration of a current in a specific region of an electrode.Type: GrantFiled: August 17, 2011Date of Patent: September 8, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Seok Min Hwang, Hae Soo Ha, Jae Yoon Kim, Jae Ho Han
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Publication number: 20150087096Abstract: A method of manufacturing a semiconductor light emitting device is performed on a light emitting structure including a sequential stack of a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer. The second conductivity-type semiconductor layer and the active layer are mesa-etched to expose a portion of the first conductivity-type semiconductor layer therethrough. A conductive layer is formed on the second conductivity-type semiconductor layer and the portion of the first conductivity-type semiconductor layer exposed by mesa-etching. In turn, the conductive layer is dry etched such that an upper surface of the first conductivity-type semiconductor layer is partially etched to have uneven portions formed thereon. The resulting semiconductor light emitting device has improved external light extraction efficiency while being easily manufactured.Type: ApplicationFiled: May 22, 2014Publication date: March 26, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Ho HAN, Myeong Ha KIM
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Patent number: 8969901Abstract: A light emitting device includes a first semiconductor layer, an active layer, and a second semiconductor layer, and first and second electrodes electrically connected to the first and second semiconductor layers, respectively. The second electrode includes a reflective pad portion, a transparent electrode layer, a reflective finger portion and an electrode pad portion. The reflective pad portion is disposed in a region of an upper surface of the second semiconductor layer. The transparent electrode layer is disposed on the second semiconductor layer and has an opening encompassing the reflective pad portion such that the transparent electrode layer is not in contact with the reflective pad portion. The reflective finger portion extends from the reflective pad portion and has at least a portion thereof disposed on the transparent electrode layer. The electrode pad portion covers the reflective pad portion to be in contact with the transparent electrode layer.Type: GrantFiled: May 16, 2013Date of Patent: March 3, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Jin Young Choi, Jae Ho Han, Ki Seok Kim, Wan Ho Lee, Myeong Ha Kim, Hae Soo Ha
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Publication number: 20140231859Abstract: A semiconductor light emitting device may include: a light emitting structure including an n-type semiconductor layer, a p-type semiconductor layer, and an active layer interposed therebetween; a first electrode connected to one of the n-type semiconductor layer and the p-type semiconductor layer; and a second electrode connected to the other of the n-type semiconductor layer and the p-type semiconductor layer. The first electrode may include a first electrode pad disposed in a central portion of one side of the light emitting structure and first to third branch electrodes connected to the first electrode pad, having a fork shape. The second electrode may include second and third electrode pads disposed separately in both corners of the other side opposing the one side and fourth to seventh branch electrodes connected thereto. The fourth and seventh branch electrodes may extend in an interdigitated manner between the first to third branch electrodes.Type: ApplicationFiled: August 1, 2011Publication date: August 21, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Yoon Kim, Seok Min Hwang, Su Yeol Lee, Seung Wan Chae, Jae Ho Han, Jin Bock Lee
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Publication number: 20140191194Abstract: There is provided a nitride semiconductor light emitting device, capable of improving light extraction efficiency through a texture effect and including: a light emitting structure formed on a substrate and including a first conductivity-type nitride semiconductor layer and a second conductivity-type nitride semiconductor layer with an active layer interposed therebetween; a first electrode electrically connected to the first conductivity-type nitride semiconductor layer; a second electrode electrically connected to the second conductivity-type nitride semiconductor layer; and a light extraction pattern disposed between the first electrode and the second electrode and including a plurality of through holes formed by vertically penetrating the light emitting structure.Type: ApplicationFiled: August 9, 2011Publication date: July 10, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seok Min Hwang, Jae Ho Han, Jae Yoon Kim, Hae Soo Ha, Su Yeol Lee, Je Won Kim
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Publication number: 20140183589Abstract: There are provided a method of manufacturing a semiconductor light emitting device and a semiconductor light emitting device manufactured thereby. According to an exemplary embodiment, a method of manufacturing a semiconductor light emitting device includes: forming a light emitting structure by sequentially growing a first conductivity type semiconductor layer, an active layer and a second conductivity type semiconductor layer on a first main surface of a substrate, the substrate having first and second main surfaces opposing one another; forming a reflective film on the second main surface of the substrate, the reflective film including at least one laser absorption region; and performing a scribing process separating the light emitting structure and the substrate into device units by irradiating a laser from a portion of a top of the light emitting structure corresponding to the laser absorption region to the light emitting structure and the substrate.Type: ApplicationFiled: August 9, 2011Publication date: July 3, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Ho Han, Sung Tae Kim, Seung Wan Chae, Jong Ho Lee, Je Won Kim