Patents by Inventor Seung-Jae Kang
Seung-Jae Kang 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: 9951678Abstract: An intake air control device includes: an intake air flow channel that includes an air flow pipe furcated into multiple branch flow channels that communicate with the same combustion chamber; an intake air valve provided to the air flow pipe to adjust an opening degree of the air flow pipe in accordance with a rotation angle thereof; a swirl valve provided to any one of the multiple branch flow channels to adjust an opening degree of the branch flow channel in accordance with a rotation angle thereof; and a cam plate that is rotatable and has a first cam slot. The intake air valve has a first protrusion inserted in the first cam slot. The first cam slot has a first rotation section within which the first protrusion slides and rotates about the rotational shaft of the intake air valve in response to rotation of the cam plate.Type: GrantFiled: December 14, 2016Date of Patent: April 24, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Jin Ha Kim, Seung Jae Kang
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Publication number: 20180106183Abstract: An intake air control device includes: an intake air flow channel that includes an air flow pipe furcated into multiple branch flow channels that communicate with the same combustion chamber; an intake air valve provided to the air flow pipe to adjust an opening degree of the air flow pipe in accordance with a rotation angle thereof; a swirl valve provided to any one of the multiple branch flow channels to adjust an opening degree of the branch flow channel in accordance with a rotation angle thereof; and a cam plate that is rotatable and has a first cam slot. The intake air valve has a first protrusion inserted in the first cam slot. The first cam slot has a first rotation section within which the first protrusion slides and rotates about the rotational shaft of the intake air valve in response to rotation of the cam plate.Type: ApplicationFiled: December 14, 2016Publication date: April 19, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Jin Ha KIM, Seung Jae KANG
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Publication number: 20170268662Abstract: An apparatus for controlling an electric oil pump (EOP) includes a controller calculating first revolutions per minute (RPM), second RPM and third RPM, the first RPM being EOP RPM required for control of a brake in a transmission, the second RPM being EOP RPM required for cooling of a plurality of motors, and the third RPM being EOP RPM required for lubrication of the plurality of motors, the controller comparing the second RPM with the third RPM and driving the EOP at an RPM obtained by adding the first RPM to the greater of the second RPM and the third RPM.Type: ApplicationFiled: July 3, 2016Publication date: September 21, 2017Inventors: Sang Lok Song, June Ho Lee, Jong Hyun Kim, Young Chul Kim, Hak Sung Lee, Seung Jae Kang, Gyeong Cheol Kim, Kyoung Joo Kim, Yoh Han Kim
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Publication number: 20170101907Abstract: The present disclosure provides an oil pump system for a vehicle to control an oil flow or a flow rate of oil according to characteristics of an oil flow rate consumed for each component. The oil pump system includes: a mechanical oil pump, an electrical oil pump. In particular, the mechanical oil pump supplies oil to a lubrication component, and the electrical oil pump supplies oil to a cooling component or a control component. The mechanical oil pump and the electrical oil pump are independently operated.Type: ApplicationFiled: April 28, 2016Publication date: April 13, 2017Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seung Jae KANG, Jong Hyun KIM, Tae Ho KIM, June Ho LEE, Young Chul KIM
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Publication number: 20160369669Abstract: A method for reducing noise generated from an electric oil pump (EOP) is reduced while driving a vehicle which has only the EOP without a mechanical oil pump (MOP) limits revolutions per minute (RPM) of the EOP to 70% or less of a maximum RPM during a low noise driving mode and rotates the EOP at the maximum RPM during a high noise driving mode.Type: ApplicationFiled: October 14, 2015Publication date: December 22, 2016Inventors: Jong Hyun KIM, Seung Jae KANG
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Publication number: 20160140920Abstract: A liquid crystal display device and a method of driving a liquid crystal display device are provided. The liquid crystal display device includes a display panel, a controller configured to generate and output an inversion switch signal for controlling inversion driving of the display panel by receiving a common voltage fed back from the display panel, and a data driver configured to receive the inversion switch signal and switch an inversion driving scheme. The controller includes a waveform converter for converting the common voltage to a square wave.Type: ApplicationFiled: April 27, 2015Publication date: May 19, 2016Inventors: Joo Suk LEE, Seung Jae KANG, Kyung Sik KIM, Kyo Min KIM, Ha Sook KIM, Jang Hyun YEO
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Patent number: 9327723Abstract: A system for controlling a hybrid electric vehicle includes a control unit for determining whether or not an Oil Pump Unit (OPU) and an Electric Oil Pressure (EOP) temperature sensor are normally operated; a phase current density comparison unit for comparing the mean density of phase currents acquired after shifting the gears of the vehicle with the density of coil phase currents which flow through a coil at a maximum permissible temperature at which the coil is not burning; and a torque control unit for controlling the value of torque to be applied to a transmission according to a result acquired by the phase current density comparison unit.Type: GrantFiled: November 23, 2014Date of Patent: May 3, 2016Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Seung Jae Kang, Jong Hyun Kim, Hak Sung Lee
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Publication number: 20160001773Abstract: A system for controlling a hybrid electric vehicle includes a control unit for determining whether or not an Oil Pump Unit (OPU) and an Electric Oil Pressure (EOP) temperature sensor are normally operated; a phase current density comparison unit for comparing the mean density of phase currents acquired after shifting the gears of the vehicle with the density of coil phase currents which flow through a coil at a maximum permissible temperature at which the coil is not burning; and a torque control unit for controlling the value of torque to be applied to a transmission according to a result acquired by the phase current density comparison unit.Type: ApplicationFiled: November 23, 2014Publication date: January 7, 2016Inventors: Seung Jae Kang, Jong Hyun Kim, Hak Sung Lee
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Patent number: 9139191Abstract: Noise may be prevented from being generated while providing smooth shift operability by preventing the overshoot phenomenon in which rpm of the electric oil pump is unexpectedly increased as the load decreases at the time when shifting ends in controlling the rpm of the electric oil pump to increase in order to increase the line pressure of the transmission as the shifting operation from step N to step D is performed in the hybrid vehicle having the electric oil pump.Type: GrantFiled: June 11, 2012Date of Patent: September 22, 2015Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORP.Inventors: Seung Jae Kang, Jong Hyun Kim, Young Chul Kim, Jang Mi Lee
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Patent number: 8852045Abstract: An electric oil pump system and a control method thereof include an electrical oil pump that is derated or the derating of the electrical oil pump is released according to a coil temperature of the electrical oil pump, and a torque of a transmission is control according to whether or not the electrical oil pump is derated.Type: GrantFiled: March 18, 2013Date of Patent: October 7, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Seung Jae Kang, Sang Hyun Jeong, Jong Hyun Kim, Hak Sung Lee
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Publication number: 20140187382Abstract: An electric oil pump system and a control method thereof include an electrical oil pump that is derated or the derating of the electrical oil pump is released according to a coil temperature of the electrical oil pump, and a torque of a transmission is control according to whether or not the electrical oil pump is derated.Type: ApplicationFiled: March 18, 2013Publication date: July 3, 2014Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Seung Jae Kang, Sang Hyun JEONG, Jong Hyun KIM, Hak Sung LEE
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Publication number: 20130149176Abstract: An electric oil pump apparatus for a hybrid vehicle, may include an electric motor having a motor rotor and a stator, wherein the motor rotor may be mounted on a rotary shaft, an oil pump having a pump rotor, wherein the pump rotor may be mounted on a rotary shaft, and a torsional damper installed on the rotary shaft of the motor rotor and a rotary shaft of the pump rotor between the motor rotor and the pump rotor.Type: ApplicationFiled: June 8, 2012Publication date: June 13, 2013Applicant: Hyundai Motor CompanyInventors: Jong Hyun Kim, Ki Nam Kim, Young Chul Kim, Seung Jae Kang, Jae Shin Yi
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Publication number: 20130138311Abstract: Noise may be prevented from being generated while providing smooth shift operability by preventing the overshoot phenomenon in which rpm of the electric oil pump is unexpectedly increased as the load decreases at the time when shifting ends in controlling the rpm of the electric oil pump to increase in order to increase the line pressure of the transmission as the shifting operation from step N to step D is performed in the hybrid vehicle having the electric oil pump.Type: ApplicationFiled: June 11, 2012Publication date: May 30, 2013Applicants: Kia Motors Corp., Hyundai Motor CompanyInventors: Seung Jae Kang, Jong Hyun Kim, Young Chul Kim, Jang Mi Lee
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Patent number: 8253668Abstract: A liquid crystal display includes a first insulation substrate, gate lines disposed on the first insulation substrate and extending in a first direction, storage electrode lines disposed on the first insulation substrate and extending in the first direction, data lines extending in a second direction substantially perpendicular to the first direction and intersecting the gate lines and the storage electrode lines and, thin film transistors disposed in pixel areas, pixel electrodes disposed in the pixel areas and connected to the thin film transistors, ripple detecting wiring disposed proximate to a first gate line of the gate lines, a connection line which transmits a ripple signal from the ripple detecting wiring, a ripple detector connected to the connection line, and a ripple compensator which generates a compensation voltage based on the ripple signal received from the ripple detector and applies the compensation voltage to the storage electrode line.Type: GrantFiled: February 27, 2009Date of Patent: August 28, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Bum-Jin Kim, Seung-Jae Kang
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Patent number: 7899148Abstract: A shift register includes a plurality of stages, each of the stages generate an output signal, in sequence. Each of the shift register includes a present stage and a first capacitor. The present stage outputs an output signal based on one of a scan start signal and a carry signal of the previous stage. The first capacitor reduces a ripple component of the carry signal of the present stage which activates the next stage. Therefore, a carry signal having a reduced ripple component is supplied to the next stage, so that a transient current is intercepted at a transistor receiving the carry signal, which is arranged in the next stage, thus ensuring reliability of the shift register.Type: GrantFiled: January 16, 2007Date of Patent: March 1, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-Jae Kang, Seoung-Bum Pyoun
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Publication number: 20100201669Abstract: A display apparatus includes a voltage generator, a display panel and a panel driving part. The voltage generator includes an operation amplifier including a first input terminal electrically connected to a reference voltage receiving terminal, a second input terminal receiving a feedback common voltage and an output terminal outputting a common voltage generated by comparing a reference voltage received at the reference voltage receiving terminal and the feedback common voltage and a first resistor electrically connected between the second input terminal and the output terminal. The display panel includes a dummy line electrically connected in series between a first connection line and a second connection line, and the dummy line provides the feedback common voltage to the second input terminal through the first connection line. The panel driving part drives the display panel.Type: ApplicationFiled: August 6, 2009Publication date: August 12, 2010Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Taek-Young KIM, Bum-Jin KIM, Seung-Jae KANG, Sung-Wook KANG
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Patent number: 7724340Abstract: A liquid crystal display panel including power supply lines and a liquid crystal display including the liquid crystal display panel. A liquid crystal display panel includes a first substrate including a plurality of gate lines, and a plurality of data lines that are formed so as to intersect the plurality of gate lines, a second substrate that faces the first substrate and includes a plurality of color filters, a power supply unit that supplies power to a light source, power supply lines that are formed on the first substrate so as to be electrically connected to the power supply units, and a flexible printed circuit board that is electrically connected to the power supply lines.Type: GrantFiled: October 30, 2007Date of Patent: May 25, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Byeong Soo Kang, Seung Jae Kang
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Publication number: 20100060558Abstract: A liquid crystal display includes a first insulation substrate, gate lines disposed on the first insulation substrate and extending in a first direction, storage electrode lines disposed on the first insulation substrate and extending in the first direction, data lines extending in a second direction substantially perpendicular to the first direction and intersecting the gate lines and the storage electrode lines and, thin film transistors disposed in pixel areas, pixel electrodes disposed in the pixel areas and connected to the thin film transistors, ripple detecting wiring disposed proximate to a first gate line of the gate lines, a connection line which transmits a ripple signal from the ripple detecting wiring, a ripple detector connected to the connection line, and a ripple compensator which generates a compensation voltage based on the ripple signal received from the ripple detector and applies the compensation voltage to the storage electrode line.Type: ApplicationFiled: February 27, 2009Publication date: March 11, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bum-Jin KIM, Seung-Jae KANG
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Patent number: 7547588Abstract: A thin film transistor (“TFT”) array panel is provided, which includes: first and second gate lines transmitting gate signals to adjacent pixel rows and disposed adjacent to each other; a data line insulated from the first and the second gate lines and the data line; a first thin film transistor connected to the first gate line and the data line and including a first drain electrode overlapping the second gate line; a second TFT connected to the second gate line and the data line, disposed opposite the first TFT with respect to the data line, and including a second drain electrode overlapping the first gate line; a first pixel electrode connected to the first drain electrode and overlapping the second gate line; and a second pixel electrode connected to the second electrode and overlapping the first gate line.Type: GrantFiled: July 14, 2004Date of Patent: June 16, 2009Assignee: Samsung Electronics Co., Ltd.Inventor: Seung-Jae Kang
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Publication number: 20080174731Abstract: A liquid crystal display panel including power supply lines and a liquid crystal display including the liquid crystal display panel. A liquid crystal display panel includes a first substrate including a plurality of gate lines, and a plurality of data lines that are formed so as to intersect the plurality of gate lines, a second substrate that faces the first substrate and includes a plurality of color filters, a power supply unit that supplies power to a light source, power supply lines that are formed on the first substrate so as to be electrically connected to the power supply units, and a flexible printed circuit board that is electrically connected to the power supply lines.Type: ApplicationFiled: October 30, 2007Publication date: July 24, 2008Inventors: Byeong Soo Kang, Seung Jae Kang