Patents by Inventor Gyu-Hong Kim

Gyu-Hong Kim 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: 20240106441
    Abstract: A phase locked loop circuit and a semiconductor device are provided. The phased locked loop circuit includes a reference current generator configured to generate a summed compensation current in which at least one of a process change, a temperature change or a power supply voltage change are compensated and output the summed compensation current as a reference current, a current digital-to-analog converter configured to convert the reference current into a control current in accordance with a digital code and a voltage control oscillator configured to generate a signal based on the control current, wherein the summed compensation current is based on weighted-averaging a first type compensation current and a second type compensation current in response to at least one of the process change, the temperature change or the power supply voltage change.
    Type: Application
    Filed: September 13, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung Min LEE, Gyu Sik KIM, Seung Jin KIM, Jae Hong JUNG
  • Patent number: 11135926
    Abstract: A system and method for controlling charging of plug-in vehicle are provided to charge a high-voltage battery mounted in the vehicle by converting AC power into DC power using an OBC. The method includes determining whether the high-voltage battery is charged by the operation of the OBC and whether the temperature of the high-voltage battery is greater than a predetermined reference cooling temperature while the high-voltage battery is charged to determine whether to cool the high-voltage battery. Additionally, whether the temperature of the high-voltage battery is greater than a predetermined failure determination temperature is determined to determine whether the high-voltage battery is abnormal when the temperature of the high-voltage battery is greater than the reference cooling temperature. A battery cooling fan mounted in the vehicle is maximally driven to cool the high-voltage battery when the temperature of the high-voltage battery is greater than the failure determination temperature.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: October 5, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang-Kyu Lee, Gyu-Hong Kim
  • Patent number: 10311946
    Abstract: The semiconductor memory device includes: a memory cell; a sensing circuit connected to the memory cell via a first bit line and a second bit line different from the first bit line, the sensing circuit configured to sense data stored in the memory cell; and a bit line voltage control circuit connected to the memory cell via the first bit line and the second bit line, the bit line voltage control circuit configured to precharge the first bit line to a first voltage that is lower than a supply voltage and to precharge the second bit line to a second voltage that is lower than the supply voltage and is different from the first voltage.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: June 4, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Han-Wool Jeong, Woo-Jin Rim, Tae-Joong Song, Seong-Ook Jung, Gyu-Hong Kim
  • Publication number: 20180236892
    Abstract: A system and method for controlling charging of plug-in vehicle are provided to charge a high-voltage battery mounted in the vehicle by converting AC power into DC power using an OBC. The method includes determining whether the high-voltage battery is charged by the operation of the OBC and whether the temperature of the high-voltage battery is greater than a predetermined reference cooling temperature while the high-voltage battery is charged to determine whether to cool the high-voltage battery. Additionally, whether the temperature of the high-voltage battery is greater than a predetermined failure determination temperature is determined to determine whether the high-voltage battery is abnormal when the temperature of the high-voltage battery is greater than the reference cooling temperature. A battery cooling fan mounted in the vehicle is maximally driven to cool the high-voltage battery when the temperature of the high-voltage battery is greater than the failure determination temperature.
    Type: Application
    Filed: February 16, 2018
    Publication date: August 23, 2018
    Inventors: Sang-Kyu Lee, Gyu-Hong Kim
  • Publication number: 20170349162
    Abstract: A system and method are provided for controlling an engine in a hybrid vehicle by varying the operating point of the engine using a table in which SOC compensation values of a battery corresponding to deterioration degrees of the battery are recorded, to operate the engine at optimal timing regardless of the deterioration degrees of the battery and allow sufficient catalyst warm-up time. The method includes storing a table in which SOC compensation values of a battery corresponding to deterioration degrees of the battery are recorded and calculating a deterioration degree of the battery. An SOC compensation value of the battery corresponding to the calculated deterioration degree in the table is detected. Further, the method includes compensating for an SOC of the battery using the detected SOC compensation value and setting an operating point of the engine based on the compensated SOC of the battery.
    Type: Application
    Filed: October 27, 2016
    Publication date: December 7, 2017
    Inventor: Gyu Hong Kim
  • Publication number: 20170053696
    Abstract: Provided is a semiconductor memory device. The semiconductor memory device includes: a memory cell; a sensing circuit connected to the memory cell via a first bit line and a second bit line different from the first bit line, the sensing circuit configured to sense data stored in the memory cell; and a bit line voltage control circuit connected to the memory cell via the first bit line and the second bit line, the bit line voltage control circuit configured to precharge the first bit line to a first voltage that is lower than a supply voltage and to precharge the second bit line to a second voltage that is lower than the supply voltage and is different from the first voltage.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 23, 2017
    Applicants: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Han-Wool JEONG, Woo-Jin RIM, Tae-Joong SONG, Seong-Ook JUNG, Gyu-Hong KIM
  • Patent number: 9299711
    Abstract: A fin Field Effect Transistor (finFET) can include a source region and a drain region of the finFET. A gate of the finFET can cross over a fin of the finFET between the source and drain regions. First and second silicide layers can be on the source and drain regions respectively. The first and second silicide layers can include respective first and second surfaces that face the gate crossing over the fin, where the first and second surfaces are different sizes.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: March 29, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Joong Song, Gyu Hong Kim, Jae Ho Park, Jong Hoon Jung
  • Patent number: 9087566
    Abstract: Semiconductor memory devices are provided. Each of the semiconductor memory devices may include first and second memory cells. The first memory cell may be connected to a bit line and a complementary bit line. Moreover, each of the semiconductor memory devices may include a discharge circuit connected to the first memory cell via the bit line and the complementary bit line. The discharge circuit may be configured to discharge the first memory cell during a read or write operation of the second memory cell.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: July 21, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Joong Song, Gyu Hong Kim, Jae Ho Park, Gi Young Yang, Jong Hoon Jung
  • Patent number: 9026975
    Abstract: A semiconductor integrated circuit designing method capable of minimizing a parasitic capacitance generated by an overhead in conductive lines, especially a gate line, a semiconductor integrated circuit according to the designing method, and a fabricating method thereof are provided. A method of designing a semiconductor integrated circuit having a FinFET architecture, includes: performing a pre-simulation of the semiconductor integrated circuit to be designed; designing a layout of components of the semiconductor integrated circuit based on a result of the pre-simulation, the components comprising first and second device areas and a first conductive line extending across the first and second device areas; modifying a first cutting area, that is arranged between the first and second device areas and electrically cuts the first conductive line, according to at least one design rule to minimize an overhead of the first conductive line created by the first cutting area.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: May 5, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-joong Song, Pil-un Ko, Gyu-hong Kim, Jong-hoon Jung
  • Patent number: 8934313
    Abstract: A negative voltage generator includes a variable-capacitance negative voltage generating unit, a switching unit and a positive voltage applying unit. The negative voltage generating unit includes a plurality of coupling capacitors for varying the capacitance in which the negative voltage is charged. The negative voltage generating unit selects at least one coupling capacitor of the plurality of coupling capacitors according to the number of rows (size) of a memory bank to which data is written, and charges the at least one selected coupling capacitor to a negative voltage. The switching unit selects one bitline of a bitline pair having complementary first and second bitlines in response to the data, and connects the at least one selected coupling capacitor to the selected bitline. The positive voltage applying unit applies a positive (high) voltage to an other bitline of the bitline pair.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: January 13, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Joong Song, Gyu-Hong Kim, Jae-Seung Choi, Soung-Hoon Sim, In-Gyu Park, Chan-Ho Lee, Hyun-Su Choi, Jong-Hoon Jung
  • Patent number: 8811069
    Abstract: The memory device includes a memory cell array, an access control circuit configured to access the memory cell array, a control signal generation circuit configured to generate a control signal for controlling an operation of the access control circuit, and a variable delay circuit configured to generate a delay signal by variably delaying a clock signal according to an external signal. The control signal generation circuit adjusts an activation timing of the control signal in response to the delay signal.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: August 19, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gyu Hong Kim, Jong Hoon Jung
  • Publication number: 20140101395
    Abstract: Semiconductor memory devices are provided. Each of the semiconductor memory devices may include first and second memory cells. The first memory cell may be connected to a bit line and a complementary bit line. Moreover, each of the semiconductor memory devices may include a discharge circuit connected to the first memory cell via the bit line and the complementary bit line. The discharge circuit may be configured to discharge the first memory cell during a read or write operation of the second memory cell.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 10, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae Joong Song, Gyu Hong Kim, Jae Ho Park, Gi Young Yang, Jong Hoon Jung
  • Publication number: 20140085966
    Abstract: A fin Field Effect Transistor (finFET) can include a source region and a drain region of the finFET. A gate of the finFET can cross over a fin of the finFET between the source and drain regions. First and second silicide layers can be on the source and drain regions respectively. The first and second silicide layers can include respective first and second surfaces that face the gate crossing over the fin, where the first and second surfaces are different sizes.
    Type: Application
    Filed: September 20, 2013
    Publication date: March 27, 2014
    Inventors: Tae Joong Song, Gyu Hong Kim, Jae Ho Park, Jong Hoon Jung
  • Publication number: 20140001564
    Abstract: A semiconductor integrated circuit designing method capable of minimizing a parasitic capacitance generated by an overhead in conductive lines, especially a gate line, a semiconductor integrated circuit according to the designing method, and a fabricating method thereof are provided. A method of designing a semiconductor integrated circuit having a FinFET architecture, includes: performing a pre-simulation of the semiconductor integrated circuit to be designed; designing a layout of components of the semiconductor integrated circuit based on a result of the pre-simulation, the components comprising first and second device areas and a first conductive line extending across the first and second device areas; modifying a first cutting area, that is arranged between the first and second device areas and electrically cuts the first conductive line, according to at least one design rule to minimize an overhead of the first conductive line created by the first cutting area.
    Type: Application
    Filed: March 13, 2013
    Publication date: January 2, 2014
    Inventors: Tae-joong SONG, Pil-un KO, Gyu-hong KIM, Jong-hoon JUNG
  • Publication number: 20130051129
    Abstract: The memory device includes a memory cell array, an access control circuit configured to access the memory cell array, a control signal generation circuit configured to generate a control signal for controlling an operation of the access control circuit, and a variable delay circuit configured to generate a delay signal by variably delaying a clock signal according to an external signal. The control signal generation circuit adjusts an activation timing of the control signal in response to the delay signal.
    Type: Application
    Filed: August 22, 2012
    Publication date: February 28, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gyu Hong KIM, Jong Hoon JUNG
  • Publication number: 20120206988
    Abstract: A negative voltage generator includes a variable-capacitance negative voltage generating unit, a switching unit and a positive voltage applying unit. The negative voltage generating unit includes a plurality of coupling capacitors for varying the capacitance in which the negative voltage is charged. The negative voltage generating unit selects at least one coupling capacitor of the plurality of coupling capacitors according to the number of rows (size) of a memory bank to which data is written, and charges the at least one selected coupling capacitor to a negative voltage. The switching unit selects one bitline of a bitline pair having complementary first and second bitlines in response to the data, and connects the at least one selected coupling capacitor to the selected bitline. The positive voltage applying unit applies a positive (high) voltage to an other bitline of the bitline pair.
    Type: Application
    Filed: January 25, 2012
    Publication date: August 16, 2012
    Inventors: Tae-Joong Song, Gyu-Hong Kim, Jae-Seung Choi, Soung-Hoon Sim, In-Gyu Park, Chan-Ho Lee, Hyun-Su Choi, Jong-Hoon Jung
  • Patent number: 7852694
    Abstract: A semiconductor memory device for reducing a precharge time is provided. The semiconductor memory device may include a sense amplifier, a precharge unit and an equalizing circuit. The sense amplifier may sense and amplify a difference between data transmitted through a first bit line and data transmitted through a second bit line in response to a sense amplifier enable signal. The precharge unit may precharge voltage levels of the first bit line and the second bit line to a precharge voltage level in response to a precharge enable signal. The equalizing circuit may be connected to the sense amplifier and the precharge unit and may control the voltage levels of the first bit line and the second bit line to be equal to each other in response to the sense amplifier enable signal. The semiconductor memory device may reduce a time required to perform a precharge operation and/or minimize an increase of the circuit size.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: December 14, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-hoon Jung, Gyu-hong Kim
  • Patent number: 7561486
    Abstract: A flash memory device includes a flash cell array, a first flash fuse cell fusing circuit, a second flash fuse cell fusing circuit, a third flash fuse cell fusing circuit and a plurality of fuse sense amplifying circuits. The first, second and third flash fuse cell fusing circuits all share bit lines with a flash cell array and have flash fuse cells. The first flash fuse cell fusing circuit may be used to control a connection between the flash cell array and an external logic circuit. The second flash fuse cell fusing circuit may be used to change an address of a defective cell into an address of a redundancy cell. The third flash fuse cell fusing circuit may be used to control a DC level for adjusting a reference value used in a manufacturing process of the flash memory device. The fuse sense amplifying circuits are coupled to the bit lines to read data from the bit lines, respectively.
    Type: Grant
    Filed: February 2, 2006
    Date of Patent: July 14, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Seong Kim, Gyu-Hong Kim
  • Patent number: 7560974
    Abstract: A level detector within a back-bias voltage generator includes a toggling unit and a temperature detector. The toggling unit causes an enable signal to be activated when an absolute value of a back-bias voltage is less than an absolute value of a monitoring level. The temperature detector controls the toggling unit for increasing the absolute value of the monitoring level with an increase in temperature with high temperature sensitivity.
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: July 14, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyong-Jun Noh, Gyu-Hong Kim
  • Publication number: 20080310243
    Abstract: A semiconductor memory device for reducing a precharge time is provided. The semiconductor memory device may include a sense amplifier, a precharge unit and an equalizing circuit. The sense amplifier may sense and amplify a difference between data transmitted through a first bit line and data transmitted through a second bit line in response to a sense amplifier enable signal. The precharge unit may precharge voltage levels of the first bit line and the second bit line to a precharge voltage level in response to a precharge enable signal. The equalizing circuit may be connected to the sense amplifier and the precharge unit and may control the voltage levels of the first bit line and the second bit line to be equal to each other in response to the sense amplifier enable signal. The semiconductor memory device may reduce a time required to perform a precharge operation and/or minimize an increase of the circuit size.
    Type: Application
    Filed: June 11, 2008
    Publication date: December 18, 2008
    Inventors: Jong-hoon Jung, Gyu-hong Kim