Patents by Inventor Chang Min Yang
Chang Min Yang 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: 20240088197Abstract: A light emitting chip including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a first bonding layer interposed between the first and second LED sub-units, a second bonding layer interposed between second and third LED sub-units, and a first connection electrode electrically connected to and overlapping at least one of the first, second, and third LED sub-units, the first connection electrode having first and second opposing side surfaces, the first side surface having a first length and the second side surface having a second length, in which the difference in length between the first side surface and the second side surface of the first connection electrode is greater than a thickness of at least one of the LED sub-units.Type: ApplicationFiled: November 20, 2023Publication date: March 14, 2024Applicant: Seoul Viosys Co., Ltd.Inventors: Jong Min JANG, Chang Yeon KIM, Myoung Hak YANG
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Patent number: 11413984Abstract: An in-vehicle power system includes: a charging-discharging device configured to selectively perform both a charging function for receiving and delivering a first power signal and a discharging function for transmitting a second power signal; a battery configured to store an electrical energy transferred after DC conversion of the first power signal; and a charging-discharging controller configured to control the charging-discharging device based on a user's input or a predetermined control pattern.Type: GrantFiled: December 6, 2017Date of Patent: August 16, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, Yura Corporation Co., Ltd.Inventors: Chang Min Yang, Ji Hwon Kim, Young Chan Kim, Hye Jin Song
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Patent number: 10773605Abstract: A method for automatically selecting a recharging mode of an electric vehicle includes: identifying a first recharging mode corresponding to a duty cycle of a received pulse width modulation signal, performing a first recharge process corresponding to the identified first recharging mode, identifying a second recharging mode according to the duty cycle of the received pulse width modulation signal when the first recharge process fails; and performing a second recharge process corresponding to the second recharging mode when the second recharging mode is identified.Type: GrantFiled: October 24, 2018Date of Patent: September 15, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: So Jin Lee, Ji Hwon Kim, Chang Min Yang
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Patent number: 10675979Abstract: An in-cable control box (ICCB) mounted on an electric vehicle (EV) charging cable, which performs conductive charging for an EV as connected to a power outlet and an inlet of the EV, includes at least one processor, a first communication module, a second communication module, and a memory storing instructions executed by the at least one processor. Also, the instructions are configured to cause the first communication module to collect information on an EV by communicating with an electric vehicle communication controller (EVCC) of the EV; and cause the second communication module to transmit the information on the EV to a supply equipment communication controller (SECC). As such, it is possible to charge the EV in an economical manner as compared to a standard defining conductive charging process.Type: GrantFiled: June 29, 2017Date of Patent: June 9, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ji Hown Kim, Chang Min Yang, So Jin Lee
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Publication number: 20190061548Abstract: A method for automatically selecting a recharging mode of an electric vehicle includes: identifying a first recharging mode corresponding to a duty cycle of a received pulse width modulation signal, performing a first recharge process corresponding to the identified first recharging mode, identifying a second recharging mode according to the duty cycle of the received pulse width modulation signal when the first recharge process fails; and performing a second recharge process corresponding to the second recharging mode when the second recharging mode is identified.Type: ApplicationFiled: October 24, 2018Publication date: February 28, 2019Inventors: So Jin Lee, Ji Hwon Kim, Chang Min Yang
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Patent number: 10131241Abstract: A method for automatically selecting a recharging mode of an electric vehicle includes: identifying a first recharging mode corresponding to a duty cycle of a received pulse width modulation signal, performing a first recharge process corresponding to the identified first recharging mode, identifying a second recharging mode according to the duty cycle of the received pulse width modulation signal when the first recharge process fails; and performing a second recharge process corresponding to the second recharging mode when the second recharging mode is identified.Type: GrantFiled: January 19, 2016Date of Patent: November 20, 2018Assignee: Hyundai Motor CompanyInventors: So Jin Lee, Ji Hwon Kim, Chang Min Yang
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Publication number: 20180312072Abstract: An in-vehicle power system includes: a charging-discharging device configured to selectively perform both a charging function for receiving and delivering a first power signal and a discharging function for transmitting a second power signal; a battery configured to store an electrical energy transferred after DC conversion of the first power signal; and a charging-discharging controller configured to control the charging-discharging device based on a user's input or a predetermined control pattern.Type: ApplicationFiled: December 6, 2017Publication date: November 1, 2018Inventors: Chang Min YANG, Ji Hwon Kim, Young Chan Kim, Hye Jin Song
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Publication number: 20180072173Abstract: A WPT method using a plurality of transmission coils may comprise checking an alignment state between a reception coil mounted on an electric vehicle (EV) and each of the plurality of transmission coils, may include selecting a transmission coil satisfying a predetermined alignment constraint among the plurality of transmission coils; and performing WPT to the reception coil using the selected transmission coil.Type: ApplicationFiled: September 12, 2017Publication date: March 15, 2018Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Jong Won HWANG, Ji Hown KIM, Chang Min YANG
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Patent number: 9914363Abstract: Disclosed is a method for efficiently retrieving a charger to supply electric power to an electric vehicle and achieving maximum wireless recharging efficiency, using visible light communication, upon wirelessly recharging the electric vehicle. Wireless visible light communication can be realized, using the existing head lamp installed at the vehicle. Accordingly, it is unnecessary to provide separate communication equipment. In addition, enhanced physical security, efficient charger retrieval, and maximum wireless recharging efficiency can be achieved by virtue of straightness of light.Type: GrantFiled: July 9, 2015Date of Patent: March 13, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: So Jin Lee, Ji Hwon Kim, Chang Min Yang
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Publication number: 20180001776Abstract: An in-cable control box (ICCB) mounted on an electric vehicle (EV) charging cable, which performs conductive charging for an EV as connected to a power outlet and an inlet of the EV, includes at least one processor, a first communication module, a second communication module, and a memory storing instructions executed by the at least one processor. Also, the instructions are configured to cause the first communication module to collect information on an EV by communicating with an electric vehicle communication controller (EVCC) of the EV; and cause the second communication module to transmit the information on the EV to a supply equipment communication controller (SECC). As such, it is possible to charge the EV in an economical manner as compared to a standard defining conductive charging process.Type: ApplicationFiled: June 29, 2017Publication date: January 4, 2018Inventors: Ji Hown KIM, Chang Min YANG, So Jin LEE
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Publication number: 20170113563Abstract: A method for automatically selecting a recharging mode of an electric vehicle includes: identifying a first recharging mode corresponding to a duty cycle of a received pulse width modulation signal, performing a first recharge process corresponding to the identified first recharging mode, identifying a second recharging mode according to the duty cycle of the received pulse width modulation signal when the first recharge process fails; and performing a second recharge process corresponding to the second recharging mode when the second recharging mode is identified.Type: ApplicationFiled: January 19, 2016Publication date: April 27, 2017Inventors: So Jin Lee, Ji Hwon Kim, Chang Min Yang
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Patent number: 9526079Abstract: A sensor, a time alignment apparatus, a time processing method, and a time alignment method are provided. The sensor begins to sense at least one sensed data at a first local time instant. The sensor transmits a response message at a second local time instant. The response message carries the at least one sensed data, the first local time instant, and the second local time instant. The time alignment apparatus receives the response message at a first global time instant. The time alignment apparatus calculates a second global time instant that the at least one sensed data being sensed according to a required transmission time between the time alignment apparatus and the sensing apparatus, a clock skew rate between the time alignment apparatus and the sensing apparatus, the first global time instant, the first local time instant, and the second local time instant.Type: GrantFiled: November 25, 2015Date of Patent: December 20, 2016Assignee: Institute For Information IndustryInventors: Chi-Sheng Shih, Yen-Chieh Cheng, Chang Min Yang
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Publication number: 20160185236Abstract: Disclosed is a method for efficiently retrieving a charger to supply electric power to an electric vehicle and achieving maximum wireless recharging efficiency, using visible light communication, upon wirelessly recharging the electric vehicle. Wireless visible light communication can be realized, using the existing head lamp installed at the vehicle. Accordingly, it is unnecessary to provide separate communication equipment. In addition, enhanced physical security, efficient charger retrieval, and maximum wireless recharging efficiency can be achieved by virtue of straightness of light.Type: ApplicationFiled: July 9, 2015Publication date: June 30, 2016Inventors: So Jin LEE, Ji Hwon KIM, Chang Min YANG
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Publication number: 20130151035Abstract: Disclosed is a vehicle setting sharing system and, more particularly, to a vehicle setting sharing system, which applies vehicle settings, which have been provided for a driver's vehicle, to another person's vehicle as well as to the driver's vehicle to improve the convenience of the driver. The vehicle setting sharing system includes a storage medium configured to store vehicle settings of respective drivers, and a function setting unit configured/structured to receive the vehicle settings of respective drivers from the storage medium and reset functions of a function-executing vehicle based on the stored vehicle settings.Type: ApplicationFiled: June 12, 2012Publication date: June 13, 2013Applicant: HYUNDAI MOTOR COMPANYInventors: Kang Won Park, Nak Hyun Kim, Sun Min Kim, Chang Min Yang, So Jin Lee, Min Su Kim, Jeong Gi Yun
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Patent number: 6457300Abstract: The present invention proposes a plastic film guiding device of a packaging machine, which comprises a frame, a screw rod, a walking block, a positioning rod, a pair of slanting rods, and a pair of slide bodies. The plastic film guiding device of the present invention is arranged in suspended way to reduce its contact with the surface of a machine table so that the present invention suffers less heat to facilitate the adjustment. Most importantly, the present invention has instant width-adjusting function, and can simultaneously perform identical adjustments to the widths of both sides. The adjustment is fast, and the positions of movement are exact. Moreover, fine adjustment of width can be performed at any time during the operation of the machine.Type: GrantFiled: January 4, 2001Date of Patent: October 1, 2002Inventor: Chang Min Yang
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Publication number: 20020083688Abstract: The present invention proposes a plastic film guiding device of a packaging machine, which comprises a frame, a screw rod, a walking block, a positioning rod, a pair of slanting rods, and a pair of slide bodies. The plastic film guiding device of the present invention is arranged in suspended way to reduce its contact with the surface of a machine table so that the present invention suffers less heat to facilitate the adjustment. Most importantly, the present invention has instant width-adjusting function, and can simultaneously perform identical adjustments to the widths of both sides. The adjustment is fast, and the positions of movement are exact. Moreover, fine adjustment of width can be performed at any time during the operation of the machine.Type: ApplicationFiled: January 4, 2001Publication date: July 4, 2002Inventor: Chang Min Yang
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Patent number: 5115567Abstract: An electric plastic cast saw control system for cutting off of plastic cast composed of an inner layer of absorbent cotton and an outer layer formed by hardened covering material including a thin conductive plate placed between the inner layer and the outer layer so that a relay device is triggered to cut off power supply to electric saw on the instant the saw gets contact with the thin conductive plate and consequently stop the electric saw instantaneously, and a reset device to resume power supply to the electric saw automatically or manually after cutting off of the power source.Type: GrantFiled: November 12, 1991Date of Patent: May 26, 1992Inventors: Chang-Min Yang, Chun-Mei Chou