Patents by Inventor Young Jong Kim
Young Jong 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).
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Publication number: 20150311809Abstract: A current regulation apparatus is provided. The current regulation apparatus includes a trans unit, a first switching unit, a voltage detection unit, a voltage comparison unit, and a control unit. The trans unit includes an auxiliary winding unit. The first switching unit controls an operation of the trans unit. The voltage detection unit detects a voltage induced to the auxiliary winding unit. The voltage comparison unit compares a voltage detected by the voltage detection unit and a reference voltage. The control unit adjusts a turn-on section of the first switching unit according to an output voltage of the voltage comparison unit.Type: ApplicationFiled: July 8, 2015Publication date: October 29, 2015Inventors: Young Jong KIM, Hyun Sik KIM, Taek Soo KIM, Dong Young HUH
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Patent number: 9127396Abstract: A washing machine includes a casing constituting the appearance, a support bar having one end connected to the casing and a suspension for connecting the other end of the support bar to the outer tub so as to suspend the outer tub within the casing, and for absorbing vibrations from the outer tub. The suspension includes an air cap through which the second end of the support bar passes. The air cab is installed on the outer circumference of the outer tub and moves along the support bar according to vibrations from the outer tub. A first friction member fitted on the support bar and disposed within the air cap to contact the inner surface of the air cap. A second friction member contacts the support bar and generates greater frictional force with the support bar than the force generated between the first friction member and the inner surface of the air cap to effectively decrease vibrations.Type: GrantFiled: August 25, 2011Date of Patent: September 8, 2015Assignee: LG ELECTRONICS INC.Inventors: In Sik Yu, Young Jong Kim
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Patent number: 9112420Abstract: A current regulation apparatus is provided. The current regulation apparatus includes a trans unit, a first switching unit, a voltage detection unit, a voltage comparison unit, and a control unit. The trans unit includes an auxiliary winding unit. The first switching unit controls an operation of the trans unit. The voltage detection unit detects a voltage induced to the auxiliary winding unit. The voltage comparison unit compares a voltage detected by the voltage detection and a reference voltage. The control unit adjusts a turn-on section of the first switching unit according to an output voltage of the voltage comparison unit.Type: GrantFiled: October 12, 2011Date of Patent: August 18, 2015Assignee: LG INNOTEK CO., LTD.Inventors: Young Jong Kim, Hyun Sik Kim, Taek Soo Kim, Dong Young Huh
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Patent number: 9062088Abstract: The present invention relates to a CDK-inhibiting pyrrolopyrimidine carboxamide derivative or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same as an active ingredient for preventing or treating liver cell cancer. Compositions comprising a pyrrolopyrimidine carboxamide derivative of the present invention suppress the cell growth of SNU-354 cell, which is a liver cancer stem cell in humans, by inhibiting CDK1 and CDK2, and induces cell apoptosis of the cell by inhibiting CDK7 and CDK 7. Such compositions are useful for preventing or treating liver cell cancer.Type: GrantFiled: November 2, 2010Date of Patent: June 23, 2015Assignee: SNU R&DB FoundationInventors: Seung Ki Lee, Byeong Moon Kim, Seung Ju Cho, Young Jong Kim
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Publication number: 20150137859Abstract: A switch control circuit that controls a switching operation of a power switch includes: an input current calculator generating an input sense voltage by integrating a sense voltage that indicates a switching current flowing to the power switch for a switching period unit of the power switch; and an input current comparator generating a gate-off signal according to a result of comparison between the input sense voltage and a predetermined input reference voltage, wherein the power switch is turned off according to the gate-off signal.Type: ApplicationFiled: November 18, 2014Publication date: May 21, 2015Inventors: Hyun-Chul EUM, Young-Jong KIM
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Publication number: 20150124499Abstract: An active damper and a power supply according to exemplary embodiments include: a damper resistor coupled to an input voltage; a damper switch coupled in parallel with the damper resistor; and a capacitor to which a reset current generated by a leading edge of the input voltage flows. The damper switch is turned off by the reset current.Type: ApplicationFiled: October 29, 2014Publication date: May 7, 2015Inventors: Hyun-Chul EUM, Young-Jong KIM
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Patent number: 8981659Abstract: An input voltage transfer apparatus for an LED lighting system is provided. The input voltage transfer apparatus includes a source voltage storage unit, a zero voltage switching unit, and a nonzero voltage switching unit. The source voltage storage unit stores a source voltage. The zero voltage switching unit turns on according to the source voltage stored in the source voltage storage unit when a zero voltage is inputted. The nonzero voltage switching unit turns on according to a current applied thereto through the zero voltage switching unit when a nonzero voltage is inputted. When the nonzero voltage switching unit is turned on, the source voltage storage unit discharges the stored source voltage.Type: GrantFiled: October 10, 2011Date of Patent: March 17, 2015Assignee: LG Innotek Co., Ltd.Inventors: Young Jong Kim, Sang Hyun Park, Sang Man Kim, Woo Chang Jung, Gwan Bon Koo, Dong Young Huh, Seok Yoon
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Patent number: 8952624Abstract: An LED lighting system is provided. The LED lighting system includes a main transformer, a voltage detector, a current controller, a second reference voltage supplier, and a power factor compensation circuit. The main transformer transforms an input signal to supply the transformed input signal to an LED group. The voltage detector supplies a control voltage proportional to a level of an input voltage corresponding to the input signal. The current controller includes a first voltage storage, a negative voltage applier, a second voltage storage, switch, and a current control signal generator. The first voltage storage stores the control voltage supplied from the voltage detector or discharges a stored voltage. The negative voltage applier is connected to the first voltage storage, and connected to a ground to apply the control voltage to the ground when the control voltage is a negative voltage.Type: GrantFiled: October 10, 2011Date of Patent: February 10, 2015Assignee: LG Innotek Co., Ltd.Inventors: Young Jong Kim, Dong Young Huh, Taek Soo Kim, Hyun Shik Kim
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Publication number: 20150009722Abstract: Provided is regulation of a line current. The regulation of the line current includes comparing a reference voltage with a line sensing voltage to generate a feedback voltage, and controlling a switching operation of a power switch using the feedback voltage. The reference voltage may be a voltage having a constant level, a voltage which varies according to an output current, or a voltage which follows a sine wave to compensate a power factor. Provided is sensing of an output current. The sensing of the output current includes sensing the output current using a feedback voltage corresponding to a voltage between both terminals of an inductor connected to a power switch, a peak of current flowing through the power switch, and a switching cycle of the power switch.Type: ApplicationFiled: July 7, 2014Publication date: January 8, 2015Inventors: Hyun-Chul EUM, Young-Jong KIM, In-Ki PARK
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Publication number: 20140312806Abstract: An LED lighting system is provided. The LED lighting system includes a main transformer, a voltage detector, a current controller, a second reference voltage supplier, and a power factor compensation circuit. The main transformer transforms an input signal to supply the transformed input signal to an LED group. The voltage detector supplies a control voltage proportional to a level of an input voltage corresponding to the input signal. The current controller includes a first voltage storage, a negative voltage applier, a second voltage storage, switch, and a current control signal generator. The first voltage storage stores the control voltage supplied from the voltage detector or discharges a stored voltage. The negative voltage applier is connected to the first voltage storage, and connected to a ground to apply the control voltage to the ground when the control voltage is a negative voltage.Type: ApplicationFiled: October 10, 2011Publication date: October 23, 2014Applicant: LG INNOTEK CO., LTD.Inventors: Young Jong Kim, Dong Young Huh, Taek Soo Kim, Hyun Sik Kim
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Patent number: 8833113Abstract: A fabric treating machine includes a spray nozzle for spraying water supplied from a water supply passage into an inner tub and a spray nozzle combining unit for combining the spray nozzle with a case. Fabric loaded in the inner tub can be effectively soaked through the spray nozzle. Furthermore, a spray direction of the spray nozzle can be accurately adjusted when the spray nozzle is fitted in the case, and thus the spray nozzle can be easily fitted in the case and water sprayed through the spray nozzle can be prevented from overflowing.Type: GrantFiled: April 2, 2010Date of Patent: September 16, 2014Assignee: LG Electronics Inc.Inventors: Kyu Bum Lee, Young Jong Kim, Young Bae Park
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Publication number: 20140217925Abstract: An input voltage transfer apparatus for an LED lighting system is provided. The input voltage transfer apparatus includes a source voltage storage unit, a zero voltage switching unit, and a nonzero voltage switching unit. The source voltage storage unit stores a source voltage. The zero voltage switching unit turns on according to the source voltage stored in the source voltage storage unit when a zero voltage is inputted. The nonzero voltage switching unit turns on according to a current applied thereto through the zero voltage switching unit when a nonzero voltage is inputted. When the nonzero voltage switching unit is turned on, the source voltage storage unit discharges the stored source voltage.Type: ApplicationFiled: October 10, 2011Publication date: August 7, 2014Applicant: LG INNOTEK CO., LTD.Inventors: Young Jong Kim, Sang Hyun Park, Sang Man Kim, Woo Chang Jung, Gwan Bon Koo, Dong Young Huh, Seok Yoon
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Patent number: 8794040Abstract: A fabric treating machine includes a spray nozzle for spraying water supplied from a water supply passage into an inner tub and a spray nozzle combining unit for combining the spray nozzle with a case. Fabric loaded in the inner tub can be effectively soaked through the spray nozzle. Furthermore, a spray direction of the spray nozzle can be accurately adjusted when the spray nozzle is fitted in the case, and thus the spray nozzle can be easily fitted in the case and water sprayed through the spray nozzle can be prevented from overflowing.Type: GrantFiled: April 2, 2010Date of Patent: August 5, 2014Assignee: LG Electronics Inc.Inventors: Kyu Bum Lee, Young Jong Kim, Young Bae Park
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Publication number: 20140182066Abstract: Provided is a washing machine. The washing machine includes an outer tub holding wash water, an inner tub rotatably provided in the outer tub and receiving laundry, a pulsator rotatably provided in the inner tub, a power transmission shaft rotating the pulsator, a buoyancy clutch that that moves up and down by buoyancy created by the wash water and transfers, when the buoyancy clutch is in a lower position, rotational force from the power transmission shaft to the inner tub to allow the pulsator and the inner tub to rotate integrally with each other, a circulation passage that is provided on an outer portion of the outer tub to allow the wash water drained out of the outer tub to be returned into the outer tub, a pump provided on the circulation passage and a drain guide unit that directs the wash water under the buoyancy clutch to a drain hole of the outer tub so that the buoyancy clutch moves downward.Type: ApplicationFiled: December 26, 2011Publication date: July 3, 2014Inventors: Jae Won Chang, Kyu Bum Lee, Young Jong Kim, Ae Kyung Chae
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Publication number: 20140137609Abstract: A washing machine includes: a cabinet forming an external appearance and having an open upper portion; a reservoir hanging within the cabinet and allowing washing water to be put therein; a washing tub rotatably disposed within the reservoir and accommodating the laundry; and a spray nozzle spraying washing water into the washing tub such that one boundary of sprayed washing machine reaches a side wall of the washing tub and the other boundary of the sprayed washing water reaches the bottom of the washing tub, wherein the spray nozzle includes: a tube part forming a passage along which washing water is introduced; and a spray part connected with the tube part to spray washing water and disposed such that a spray face against which washing water discharged from the tube part splashes is bent at a certain angle with respect to a discharge direction of the tube part. The laundry can be effectively wet by increasing a spray range of washing water.Type: ApplicationFiled: December 27, 2013Publication date: May 22, 2014Applicant: LG ELECTRONICS INC.Inventors: Kyu Bum LEE, Young Jong KIM, Sang Jun LEE, Young Bae PARK
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Publication number: 20140109624Abstract: A fabric treating machine includes a spray nozzle for spraying water supplied from a water supply passage into an inner tub and a spray nozzle combining unit for combining the spray nozzle with a case. Fabric loaded in the inner tub can be effectively soaked through the spray nozzle. Furthermore, a spray direction of the spray nozzle can be accurately adjusted when the spray nozzle is fitted in the case, and thus the spray nozzle can be easily fitted in the case and water sprayed through the spray nozzle can be prevented from overflowing.Type: ApplicationFiled: December 27, 2013Publication date: April 24, 2014Applicant: LG ELECTRONICS INC.Inventors: Kyu Bum LEE, Young Jong KIM, Young Bae PARK
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Publication number: 20140109625Abstract: A fabric treating machine includes a spray nozzle for spraying water supplied from a water supply passage into an inner tub and a spray nozzle combining unit for combining the spray nozzle with a case. Fabric loaded in the inner tub can be effectively soaked through the spray nozzle. Furthermore, a spray direction of the spray nozzle can be accurately adjusted when the spray nozzle is fitted in the case, and thus the spray nozzle can be easily fitted in the case and water sprayed through the spray nozzle can be prevented from overflowing.Type: ApplicationFiled: December 27, 2013Publication date: April 24, 2014Applicant: LG ELECTRONICS INC.Inventors: Kyu Bum LEE, Young Jong KIM, Young Bae PARK
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Publication number: 20140109626Abstract: A washing machine includes; a cabinet forming an external appearance and having an open upper portion; a reservoir hanging within the cabinet and allowing washing water to be put therein; a washing tub rotatably disposed within the reservoir and accommodating the laundry; and a spray nozzle spraying washing water into the washing tub such that one boundary of sprayed washing machine reaches a side wall of the washing tub and the other boundary of the sprayed washing water reaches the bottom of the washing tub, wherein the spray nozzle includes: a tube part forming a passage along which washing water is introduced; and a spray part connected with the tube part to spray washing water and disposed such that a spray face against which washing water discharged from the tube part splashes is bent at a certain angle with respect to a discharge direction of the tube part. The laundry can be effectively wet by increasing a spray range of washing water.Type: ApplicationFiled: December 27, 2013Publication date: April 24, 2014Applicant: LG ELECTRONICS INC.Inventors: Kyu Bum LEE, Young Jong KIM, Sang Jun LEE, Young Bae PARK
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Publication number: 20140109623Abstract: A fabric treating machine includes a spray nozzle for spraying water supplied from a water supply passage into an inner tub and a spray nozzle combining unit for combining the spray nozzle with a case. Fabric loaded in the inner tub can be effectively soaked through the spray nozzle. Furthermore, a spray direction of the spray nozzle can be accurately adjusted when the spray nozzle is fitted in the case, and thus the spray nozzle can be easily fitted in the case and water sprayed through the spray nozzle can be prevented from overflowing.Type: ApplicationFiled: December 27, 2013Publication date: April 24, 2014Applicant: LG ELECTRONICS INC.Inventors: Kyu Bum LEE, Young Jong KIM, Young Bae PARK
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Publication number: 20140055057Abstract: A current regulation apparatus is provided. The current regulation apparatus includes a trans unit, a first switching unit, a voltage detection unit, a voltage comparison unit, and a control unit. The trans unit includes an auxiliary winding unit. The first switching unit controls an operation of the trans unit. The voltage detection unit detects a voltage induced to the auxiliary winding unit. The voltage comparison unit compares a voltage detected by the voltage detection and a reference voltage. The control unit adjusts a turn-on section of the first switching unit according to an output voltage of the voltage comparison unit.Type: ApplicationFiled: October 12, 2011Publication date: February 27, 2014Applicant: LG INNOTEK CO., LTD.Inventors: Young Jong Kim, Hyun Sik Kim, Taek Soo Kim, Dong Young Huh