Patents by Inventor Doo-jin JANG

Doo-jin JANG 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).

  • Publication number: 20240136187
    Abstract: One embodiment of the present invention provides a method of manufacturing an electronic device using a cyclic doping process including i) an operation of forming a unit transfer thin film including a two-dimensional material on a transfer substrate, ii) an operation of doping the unit transfer thin film in a low-damage doping process, iii) an operation of transferring the unit transfer thin film doped according to the operation ii) on a transfer target substrate, and iv) an operation of repeatedly performing the operations i) to iii) several times to reach a target thickness.
    Type: Application
    Filed: October 19, 2023
    Publication date: April 25, 2024
    Applicant: Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Geun Young YEOM, Ki Hyun KIM, Ji Eun KANG, Seong Jae YU, You Jin JI, Doo San KIM, Hyun Woo TAK, Yun Jong JANG, Hee Ju KIM, Ki Seok KIM
  • Patent number: 11429140
    Abstract: A real time clock device for a vehicle may include: a register set provided with a first register, in which second time information is stored, and configured to store Real Time Clock (RTC) data including the time or date; and a data compensation circuit to block an input of a 1 second (1 s) tick to the first register and compensate for a delay time according to the block of the input of the 1 s tick to the first register by an RTC lock signal during a process of transmitting the RTC data to an external device or receiving setting data for the RTC data from the external device.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: August 30, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Dong On Jang, Young Suk Kim, Hyung Min Park, Ji Haeng Lee, Doo Jin Jang, Won Hee Jo
  • Patent number: 11392157
    Abstract: Disclosed is an auxiliary apparatus for controlling a current mode of a DC-DC converter. The auxiliary apparatus includes a current mirror coupled to a source voltage and configured to duplicate and supply a reference current supplied from a constant current source, an amplification unit configured to perform negative feedback on a loop control voltage, generated from a DC-DC converter current mode driving unit, and a reference voltage, generated based on the reference current supplied from the current mirror, and a control voltage clamping unit configured to limit a reduction in the loop control voltage based on a gate control voltage output based on a result of the comparison and amplification of the amplification unit.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: July 19, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Keon Lee, Na-Yeon Kim, Doo-Jin Jang
  • Publication number: 20210135560
    Abstract: Disclosed is an auxiliary apparatus for controlling a current mode of a DC-DC converter. The auxiliary apparatus includes a current mirror coupled to a source voltage and configured to duplicate and supply a reference current supplied from a constant current source, an amplification unit configured to perform negative feedback on a loop control voltage, generated from a DC-DC converter current mode driving unit, and a reference voltage, generated based on the reference current supplied from the current mirror, and a control voltage clamping unit configured to limit a reduction in the loop control voltage based on a gate control voltage output based on a result of the comparison and amplification of the amplification unit.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 6, 2021
    Applicant: Hyundai Autron Co., Ltd.
    Inventors: Keon LEE, Na-Yeon KIM, Doo-Jin JANG
  • Publication number: 20200159282
    Abstract: A real time clock device for a vehicle may include: a register set provided with a first register, in which second time information is stored, and configured to store Real Time Clock (RTC) data including the time or date; and a data compensation circuit to block an input of a 1 second (1 s) tick to the first register and compensate for a delay time according to the block of the input of the 1 s tick to the first register by an RTC lock signal during a process of transmitting the RTC data to an external device or receiving setting data for the RTC data from the external device.
    Type: Application
    Filed: November 19, 2019
    Publication date: May 21, 2020
    Applicant: HYUNDAI AUTRON CO., LTD.
    Inventors: Dong On JANG, Young Suk KIM, Hyung Min PARK, Ji Haeng LEE, Doo Jin JANG, Won Hee JO
  • Patent number: 9657668
    Abstract: An injector driver and an operating method thereof are provided in which a driving semiconductor directly controls a brake signal when a brake error occurs in driving an injector, to thus secure a safety function. The injector driver a driving semiconductor configured to transmit an interrupt signal for acknowledging whether a brake signal has been received to a micro-control unit (MCU) when a brake signal is applied. In addition, the driving semiconductor receives a brake signal recognition acknowledgement response signal from the MCU and detects whether the MCU has an error based on the brake signal recognition acknowledgement response signal reception result. Further, the driving semiconductor operates an injector driving signal when the response signal is not received from the MCU for a predetermined period of time.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: May 23, 2017
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company Ltd.
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Patent number: 9458791
    Abstract: A device for correcting injector characteristics includes: an injector-characteristic detection unit that outputs a selection signal by detecting drive characteristics of injectors in response to a selection control signal; a selection control unit that outputs the selection control signal for selecting a factor for deviation correction to the injector-characteristic detection unit; a selection confirmation unit that confirms a variation value of the factor corresponding to the selection signal; a deviation correction unit that calculates a deviation compensation value corresponding to the injector characteristics in response to an output signal of the selection confirmation unit, and thus output a correction signal; a control unit that generates a correction clock in response to the correction signal; and an output drive unit that controls driving of the injectors in response to the correction clock.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: October 4, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Patent number: 9458787
    Abstract: A technique for correcting injector characteristics is provided. In particular, a micro control unit is configured to generate a control pulse for controlling the operation of an injector; and a driving semiconductor is configured to detect and calculate a driving characteristic of the injector and compensating for injection timing of the control pulse in accordance with a deviation in injection timing of the injector.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: October 4, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company, Ltd.
    Inventors: Choong Seob Park, Hyung Ju Lee, Hak Mo Yoo, Ji Haeng Lee, Doo Jin Jang, Kang Hee Cho, Si Kwang Lee
  • Patent number: 9458788
    Abstract: An injector driver and a method of controlling the injector driver are provided. A defect of a driving channel is detected by enabling an identification of safety inspection for each channel in a driving semiconductor during an idle mode. The injector driver includes a plurality of driving switches that operate an injector and a driving semiconductor that drives of the driving switches. In addition, the driving semiconductor determines a short defect of the injector during an idle mode and detects and stores the defective short in a channel unit.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: October 4, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company, Ltd.
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Publication number: 20160186683
    Abstract: A method for controlling a injector driving of the present invention may include the steps of: blocking fuel supply when it is a first start or first ignition-on of a vehicle, driving an injector for a predetermined time; and studying and controlling an opening time of the injector such that the opening time of the injector according to the properties of the injector follows a reference opening time.
    Type: Application
    Filed: November 9, 2015
    Publication date: June 30, 2016
    Applicant: Hyundai Motor Company
    Inventors: Hyung Ju LEE, Choong Seob PARK, Ji Haeng LEE, Doo Jin JANG, Kang Hee CHO
  • Patent number: 9378076
    Abstract: A serial communication test device, a system including the same, and a method thereof are provided, which relate to a technology that allows a master chip and a slave ship for Serial Peripheral Interface (SPI) communication to double-check data to increase reliability. The serial communication test device includes an interface that is configured to transmit and receive data to and from an external chip. A controller is configured to store data to be error-checked in a register to output the stored data to the external chip through the interface and to store data received from the external chip through the interface in a data storage unit. The controller compares the data stored in the register with the data stored in the data storage unit and determines whether the data stored in the register is substantially similar to data to be error-checked.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: June 28, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company Ltd.
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Patent number: 9367377
    Abstract: An apparatus and method for monitoring multiple micro-cores enable one watchdog to monitor a plurality of micro-cores. The multiple micro-core monitoring apparatus includes: a plurality of micro-cores that periodically output clear signals having different pulse waves; and a watchdog that respectively receives the clear signals having different pulse waves so as to determine presence or absence of an error in the micro-cores, and reset an erroneous micro-core.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: June 14, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company, Ltd.
    Inventors: Choong Seob Park, Hyung Ju Lee, Hak Mo Yoo, Ji Haeng Lee, Doo Jin Jang, Kang Hee Cho, Si Kwang Lee
  • Publication number: 20150361918
    Abstract: A device for controlling a fuel injector driving is disclosed, which relates to a technology for enabling a drive semiconductor to actively control a drive current in response to a load condition of an output terminal of an injector when an injector for fuel injection is driven. The device for controlling a fuel injector includes: a micro control unit (MCU) configured to generate a drive signal for controlling a fuel injector operation; a drive semiconductor configured to sense a current flowing in the fuel injector, to measure a time period at which the sensed current arrives at a target current value, and to change a drive current setting value of a current driver in response to a result of a comparison between the measured time period and a predetermined time period; and an injector driver configured to operate the fuel injector in response to an output current of the current driver.
    Type: Application
    Filed: October 6, 2014
    Publication date: December 17, 2015
    Inventors: Choong Seob PARK, Hyung Ju LEE, Hak Mo YOO, Ji Haeng LEE, Doo Jin JANG, Kang Hee CHO, Young Jae KIM
  • Publication number: 20150275814
    Abstract: A device for correcting injector characteristics includes: an injector-characteristic detection unit that outputs a selection signal by detecting drive characteristics of injectors in response to a selection control signal; a selection control unit that outputs the selection control signal for selecting a factor for deviation correction to the injector-characteristic detection unit; a selection confirmation unit that confirms a variation value of the factor corresponding to the selection signal; a deviation correction unit that calculates a deviation compensation value corresponding to the injector characteristics in response to an output signal of the selection confirmation unit, and thus output a correction signal; a control unit that generates a correction clock in response to the correction signal; and an output drive unit that controls driving of the injectors in response to the correction clock.
    Type: Application
    Filed: July 25, 2014
    Publication date: October 1, 2015
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Publication number: 20150176517
    Abstract: An injector driver and a method of controlling the injector driver are provided. A defect of a driving channel is detected by enabling an identification of safety inspection for each channel in a driving semiconductor during an idle mode. The injector driver includes a plurality of driving switches that operate an injector and a driving semiconductor that drives of the driving switches. In addition, the driving semiconductor determines a short defect of the injector during an idle mode and detects and stores the defective short in a channel unit.
    Type: Application
    Filed: March 6, 2014
    Publication date: June 25, 2015
    Applicants: HYUNDAI MOTOR COMPANY, HYUNDAI AUTRON COMPANY LTD., KIA MOTORS CORPORATION
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Publication number: 20150178166
    Abstract: An apparatus and method for monitoring multiple micro-cores enable one watchdog to monitor a plurality of micro-cores. The multiple micro-core monitoring apparatus includes: a plurality of micro-cores that periodically output clear signals having different pulse waves; and a watchdog that respectively receives the clear signals having different pulse waves so as to determine presence or absence of an error in the micro-cores, and reset an erroneous micro-core.
    Type: Application
    Filed: April 18, 2014
    Publication date: June 25, 2015
    Applicants: HYUNDAI MOTOR COMPANY, HYUNDAI AUTRON COMPANY LTD., KIA MOTORS CORPORATION
    Inventors: Choong Seob Park, Hyung Ju Lee, Hak Mo Yoo, Ji Haeng Lee, Doo Jin Jang, Kang Hee Cho, Si Kwang Lee
  • Publication number: 20150160993
    Abstract: A serial communication test device, a system including the same, and a method thereof are provided, which relate to a technology that allows a master chip and a slave ship for Serial Peripheral Interface (SPI) communication to double-check data to increase reliability. The serial communication test device includes an interface that is configured to transmit and receive data to and from an external chip. A controller is configured to store data to be error-checked in a register to output the stored data to the external chip through the interface and to store data received from the external chip through the interface in a data storage unit. The controller compares the data stored in the register with the data stored in the data storage unit and determines whether the data stored in the register is substantially similar to data to be error-checked.
    Type: Application
    Filed: March 11, 2014
    Publication date: June 11, 2015
    Applicants: HYUNDAI MOTOR COMPANY, HYUNDAI AUTRON COMPANY LTD., KIA MOTORS CORPORATION
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Publication number: 20150154076
    Abstract: An injector driver and an operating method thereof are provided in which a driving semiconductor directly controls a brake signal when a brake error occurs in driving an injector, to thus secure a safety function. The injector driver a driving semiconductor configured to transmit an interrupt signal for acknowledging whether a brake signal has been received to a micro-control unit (MCU) when a brake signal is applied. In addition, the driving semiconductor receives a brake signal recognition acknowledgement response signal from the MCU and detects whether the MCU has an error based on the brake signal recognition acknowledgement response signal reception result Further, the driving semiconductor operates an injector driving signal when the response signal is not received from the MCU for a predetermined period of time.
    Type: Application
    Filed: January 30, 2014
    Publication date: June 4, 2015
    Applicants: HYUNDAI MOTOR COMPANY, HYUNDAI AUTRON COMPANY LTD., KIA MOTORS CORPORATION
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Publication number: 20150115059
    Abstract: A technique for correcting injector characteristics is provided. In particular, a micro control unit is configured to generate a control pulse for controlling the operation of an injector; and a driving semiconductor is configured to detect and calculate a driving characteristic of the injector and compensating for injection timing of the control pulse in accordance with a deviation in injection timing of the injector.
    Type: Application
    Filed: December 31, 2013
    Publication date: April 30, 2015
    Applicants: HYUNDAI MOTOR COMPANY, HYUNDAI AUTRON COMPANY LTD., KIA MOTORS CORPORATION
    Inventors: Choong Seob Park, Hyung Ju Lee, Hak Mo Yoo, Ji Haeng Lee, Doo Jin Jang, Kang Hee Cho, Si Kwang Lee
  • Publication number: 20100149433
    Abstract: A signal processing apparatus includes: a communication unit; an audio processing unit; a video processing unit; and a controller which controls communication unit to transmit command to prepare for output of audio data and/or video data to external apparatus when mode for output to the external apparatus is selected, controls the audio processing unit and/or the video processing unit to interrupt output of the audio data and/or the video data when the external apparatus has been ready to output the audio data and/or the video data, and controls the communication unit to transmit the audio data and/or the video data to the external apparatus. With this configuration, it is possible to minimize a sound confusion state caused by simultaneous operation of the signal processing apparatus and an external apparatus or a mute state caused by non-operation of both apparatuses at the time of switching an output to the external apparatus.
    Type: Application
    Filed: September 29, 2009
    Publication date: June 17, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Doo-jin JANG, Hwi-sam KANG