Patents by Inventor Jong-Hae Kim
Jong-Hae 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: 20120001886Abstract: There are provided a thin transformer capable of being used in a slim display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner part thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein at least one of the bobbins includes a coil skip part which is a route through which lead wires of the coil skipped through the flange part is disposed on an outer surface of the flange part.Type: ApplicationFiled: July 1, 2011Publication date: January 5, 2012Inventors: Myeong Sik Cheon, Sang Joon Seo, Geun Young Park, Deuk Hoon Kim, Hwi Beom Shin, Young Min Lee, Jong Hae Kim
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Publication number: 20120002387Abstract: There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) device, and a flat panel display device including the thin transformer. The transformer includes a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the outer bobbin includes a support part formed at the flange part formed at an upper end of the body part of the outer bobbin so as to cover a portion of the through-hole, and the inner bobbin is coupled to the outer bobbin while having one end supported by the support part.Type: ApplicationFiled: July 1, 2011Publication date: January 5, 2012Inventors: Geun Young Park, Myeong Sik Cheon, Jae Gen Eom, Sang Joon Seo, Deuk Hoon Kim, Hwi Beom Shin, Young Min Lee, Jong Hae Kim
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Publication number: 20120001717Abstract: There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof, a flange part vertically protruding outwardly from both ends of the body part, and external connection terminals protruding from one side of a lower flange part formed at a lower end of the body part; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an inner bobbin and an outer bobbin, and the inner bobbin is coupled to the outer bobbin such that the external connection terminals of the inner bobbin and the external connection terminals of the outer bobbin are opposed to each other.Type: ApplicationFiled: July 1, 2011Publication date: January 5, 2012Inventors: Geun Young PARK, Sang Joon Seo, Choong Sik Yoo, Heung Gyoon Choi, Moo Jong Kang, Hwi Beom Shin, Young Min Lee, Jong Hae Kim
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Publication number: 20120001716Abstract: There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part vertically protruding outwardly from both ends of the body part; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an outer bobbin and an inner bobbin inserted into the through-hole of the outer bobbin to thereby be coupled thereto, and the flange part of the bobbin part includes at least one insulating rib protruding from an outer surface thereof in order to reinforce strength thereof.Type: ApplicationFiled: July 1, 2011Publication date: January 5, 2012Inventors: Geun Young PARK, Myeong Sik CHEON, Young Min LEE, Hwi Beom SHIN, Sang Joon SEO, Jong Hae KIM
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Publication number: 20120001713Abstract: There is provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes: a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof, a flange part vertically protruding outwardly from both ends of the body part, and a terminal connection part protruding from one side of a lower flange part formed at a lower end of the body part and having external connection terminals connected thereto; a core inserted into the through-hole of the bobbin to thereby form a magnetic path; and a coil part including coils each wound around the plurality of bobbins, wherein the bobbin part includes an outer bobbin and an inner bobbin inserted into the through-hole of the outer bobbin to thereby be coupled thereto, and the terminal connection part of the inner bobbin protrudes in an outer diameter direction thereof.Type: ApplicationFiled: July 1, 2011Publication date: January 5, 2012Inventors: Geun Young PARK, Sang Joon Seo, Deuk Hoon Kim, Hwi Beom Shin, Young Min Lee, Jong Hae Kim
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Patent number: 8089219Abstract: In accordance with the present invention, the SMPS circuit for PDP includes first and second transformers inducing voltages supplied to primary sides to secondary sides; a plurality of DC/DC converters connected to secondary sides of the first and second transformers and supplying voltages of different sizes; a clamp circuit connected to the secondary side of the first transformer and outputting an address voltage of a predetermined size by receiving a voltage supplied from the first transformer; and a linear regulator unit connected to the DC/DC converter for supplying a low voltage among the DC/DC converters connected to the secondary side of the first transformer and outputting a gate voltage of a predetermined size by receiving the low voltage supplied from the DC/DC converter.Type: GrantFiled: June 27, 2008Date of Patent: January 3, 2012Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Hae Kim, Jong Sun Kim, Dong Seong Oh, Don Sik Kim, Jae Sun Won, Jin Wok Kim
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Publication number: 20110273112Abstract: There is provided a light emitting driver. A light emitting driver according to an aspect of the invention may include: an LED driving section driving a light emitting part according to a detection value of the light emitting part including a plurality of light emitting devices; and a detection section transmitting the detection value to the LED driving section according to a detection voltage corresponding to a magnitude of a driving current flowing through the light emitting part when an output voltage, being applied to the light emitting part, has a value smaller than a predetermined output voltage reference value, and transmitting the detection value to the LED driving section according to a magnitude of the output voltage.Type: ApplicationFiled: November 10, 2010Publication date: November 10, 2011Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Il Woon LEE, Tae Won LEE, Don Sik KIM, Young Gun HONG, Dong Seong OH, Jin Wook KIM, Jong Hae KIM, Jae Sun WON
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Publication number: 20110254651Abstract: Provided are a transformer, capable of simplifying a manufacturing process and enhancing heat dissipation characteristics and insulating characteristics by adopting a dual-bobbin structure and configuring a secondary winding as a metallic plate extending to the outside, and an electronic device including the same. Heat dissipation from a primary winding is facilitated by forming a primary winding at the outer side. Furthermore, a secondary metallic plate, although formed inside, includes extension portions to thereby facilitate heat dissipation from the secondary metallic plate. Also, by adopting a dual bobbin structure for outer and inner bobbins, a sufficient distance for insulation between the primary winding and the secondary metallic plate is ensured to thereby enhance an insulating function. Further, a manufacturing process can be simplified by forming a secondary winding as a metallic plate manufactured in advance.Type: ApplicationFiled: January 7, 2011Publication date: October 20, 2011Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Sun WON, Young Min LEE, Don Sik KIM, Dong Seong OH, Soo Han WOO, Jin Wook KIM, Jong Hae KIM
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Publication number: 20110176282Abstract: There is provided a flat panel display device, including: a display panel; a printed circuit board on which a circuit component driving the display panel is mounted; a common mode filter mounted on the printed circuit board and including coils wound in parallel with the printed circuit board; and a cover protecting the display panel and the printed circuit board.Type: ApplicationFiled: January 19, 2011Publication date: July 21, 2011Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Deuk Hoon KIM, Jong Hae KIM, Young Se KIM, Sang Joon SEO, Heung Gyoon CHOI, Young Min LEE, Myeong Sik CHEON
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Patent number: 7940032Abstract: A power supply having a maximum power point tracking function that controls power switching so that a detected power value is within a reference range having a maximum power point in a predetermined current-voltage curve includes: a converter section switching input power and converting the switched input power into predetermined DC power; and a maximum power point tracking section detecting a power value determined according to a switching operation of the converter section among power values included in a predetermined power-voltage curve, and controlling the switching operation of the converter section so that the detected power value is located within a predetermined reference range having a maximum power value among the power values included in the power-voltage curve.Type: GrantFiled: October 31, 2008Date of Patent: May 10, 2011Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Wook Kim, Sung Soo Hong, Chung Wook Roh, Sang Kyoo Han, Jong Sun Kim, Jae Sun Won, Dong Seong Oh, Dea Min Jang, Jong Hae Kim
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Patent number: 7915757Abstract: Disclosed is a multi-output DC/DC converter controlling power-conversion switching in synchronization with a frequency of one output voltage among multiple output voltages in an LLC resonant DC/DC converter. The multi-output DC/DC converter includes a power conversion circuit performing alternate switching on an input DC voltage to output multiple DC voltages including a first DC voltage and a second DC voltage each having a preset voltage level, and a control circuit controlling the alternate switching of the power conversion circuit in synchronization with a preset resonant frequency.Type: GrantFiled: October 1, 2008Date of Patent: March 29, 2011Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Hae Kim, Sug Chin Sakong, Sung Soo Hong, Chung Wook Roh, Sang Kyoo Han, Jong Sun Kim, Dong Seong Oh
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Patent number: 7876581Abstract: In accordance with the present invention, a power converter transformer for suppressing conduction EMI (ElectroMagnetic Interference) includes a primary winding positioned at a primary side; a secondary winding positioned at a second side and coupled with the primary winding; a parasitic capacitor connected between one end of the primary winding and one end of the secondary winding; a switching unit connected to the other end of the primary winding; a Y-capacitor connected between the switching unit and a ground terminal; an auxiliary winding positioned at the secondary side and coupled with the secondary winding; and an auxiliary capacitor connected between the one end of the primary winding and the auxiliary winding.Type: GrantFiled: March 19, 2009Date of Patent: January 25, 2011Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Hae Kim, Dong Seong Oh, Dea Min Jang, Jin Wook Kim, Il Woon Lee, Jae Sun Won, Erlan Dzhunusbekov, Dmitry Berdnikov
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Publication number: 20110010736Abstract: The present invention relates to an improved TV converter system for changing digital TV signal to analog and/or having multipurpose capabilities that the host computer of the TV broadcast station remotely controls the TV converter system according to the address and transmits a national emergency disaster warning signal, a digital file of printing contents such as newspaper, commercial catalogues or books, and contents of VOD to the specific TV converters by its' address. It also provides the technology for high speed wireless internet service with the TV converter by its bidirectional data communications system which comprises the downward signal with a digital TV broadcasting signal through the TV converter and upward signal with data transmission system of subscriber's mobile phone network system.Type: ApplicationFiled: February 25, 2009Publication date: January 13, 2011Inventors: Jong Hae Kim, Kyoung Ja Han, Michael Jitae Kim, Tommy Y. Kim
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Patent number: 7855660Abstract: This invention provides a pedestrian signal system not only for normal pedestrians but also for the blind, the disabled person of weak sight, and the illiterate by displaying the remaining time of each signal change in image figures at the signal head and by generating a voice signal in real time. It reduces the cost of the system fabrication, installation and maintenance of the system by combining the five functions of the pedestrian signals such as a walk signal, a stop signal, a remaining time of each signal of red/green and/or the voice generator for blinds in one signal head. Also, this invention provides the useful double safety traffic signal system especially for a school zone by installing LED studs on the stop line at crossroad for warning drivers by blinking the LED studs automatically when the walk signal is in on-mode.Type: GrantFiled: June 12, 2006Date of Patent: December 21, 2010Inventors: Jong Hae Kim, Tommy Y. Kim, Kyoung Ja Han
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Publication number: 20100202160Abstract: In accordance with the present invention, a power converter transformer for suppressing conduction EMI(ElectroMagnetic Interference) includes a primary winding positioned at a primary side; a secondary winding positioned at a second side and coupled with the primary winding; a parasitic capacitor connected between one end of the primary winding and one end of the secondary winding; a switching unit connected to the other end of the primary winding; a Y-capacitor connected between the switching unit and a ground terminal; an auxiliary winding positioned at the secondary side and coupled with the secondary winding; and an auxiliary capacitor connected between the one end of the primary winding and the auxiliary winding.Type: ApplicationFiled: March 19, 2009Publication date: August 12, 2010Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Hae Kim, Dong Seong Oh, Dea Min Jang, Jin Wook Kim, Il Woon Lee, Jae Sun Won, Erlan Dzhunusbekov, Dmitry Berdnikov
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Publication number: 20100156185Abstract: There are disclosed a photovoltaic and fuel cell (PV-FC) hybrid generation system using a single converter and a single inverter, and a method of controlling the same. The PV-FC hybrid generation system includes a DC/DC converter unit converting an FC output voltage from a fuel cell, converting chemical energy into electrical energy, into a preset voltage, a DC link unit commonly connecting an output terminal of a photovoltaic cell, converting the sunlight into electrical energy, and an output terminal of the DC/DC converter unit, and linking the converted FC output voltage from the DC/DC converter unit with a PV output voltage from the photovoltaic cell to thereby generate a DC voltage, and a DC/AC inverter unit converting the DC voltage from the DC link unit into a preset AC voltage. Furthermore, a method of controlling the PV-FC hybrid generation system is proposed.Type: ApplicationFiled: December 21, 2009Publication date: June 24, 2010Applicants: Samsung Electro-Mechanics Co., Ltd., SUNGKYUNKWAN UNIVERSITY Foundation for Corporate CollaborationInventors: Jin Wook Kim, Byoung Kuk Lee, Jong Soo Kim, Gyu Yeong Choe, Jong Sun Kim, Il Woon Lee, Jae Sun Won, Jong Hae Kim, Dong Seong Oh
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Publication number: 20100017862Abstract: This invention provides an e-learning system having a capability for authenticating the learner's ID via Internet with the learner's physical Bio-ID such as a fingerprint, an iris and/or a vein of the learner into the login process and additional periodic checking according to the instruction signal generated by the contents. Accordingly, once a learner successfully logs into his or her account, the computer will monitor each learner's progress on a lecture or an examination. Thus, the invention enable to operate a full online distance education from a single database for the worldwide learners, at each learner's own space and scheduling, anytime, anyplace, in any of the major languages selected by the learners and accurately account credit hours of each learner by the lectures and examination on demand for conferring a degree or to transfer the credit to the university where they will earn their degrees.Type: ApplicationFiled: September 27, 2007Publication date: January 21, 2010Inventors: Jong Hae Kim, Kyoung Ja Han, Michael Jitae Kim
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Publication number: 20090322257Abstract: In accordance with the present invention, the SMPS circuit for PDP includes first and second transformers inducing voltages supplied to primary sides to secondary sides; a plurality of DC/DC converters connected to secondary sides of the first and second transformers and supplying voltages of different sizes; a clamp circuit connected to the secondary side of the first transformer and outputting an address voltage of a predetermined size by receiving a voltage supplied from the first transformer; and a linear regulator unit connected to the DC/DC converter for supplying a low voltage among the DC/DC converters connected to the secondary side of the first transformer and outputting a gate voltage of a predetermined size by receiving the low voltage supplied from the DC/DC converter.Type: ApplicationFiled: June 27, 2008Publication date: December 31, 2009Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Hae Kim, Jong Sun Kim, Dong Seong Oh, Don Sik Kim, Jae Sun Won, Jin Wook Kim
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Publication number: 20090316452Abstract: The present invention relates to power supplies, and more particularly, to a power supply having a maximum power point tracking function that controls power switching so that a detected power value is within a reference range having a maximum power point in a predetermined current-voltage curve. A power supply having a maximum power point tracking function according to an aspect of the invention includes: a converter section switching input power and converting the switched input power into predetermined DC power; and a maximum power point tracking section detecting a power value determined according to a switching operation of the converter section among power values included in a predetermined power-voltage curve, and controlling the switching operation of the converter section so that the detected power value is located within a predetermined reference range having a maximum power value among the power values included in the power-voltage curve.Type: ApplicationFiled: October 31, 2008Publication date: December 24, 2009Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Wook KIM, Sung Soo HONG, Chung Wook ROH, Sang Kyoo HAN, Jong Sun KIM, Jae Sun WON, Dong Seong OH, Dea Min JANG, Jong Hae KIM
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Publication number: 20090316447Abstract: The present invention relates to power supplies, and more particularly, to a power supply having a maximum power point tracking function that can reduce manufacturing costs and circuit size by using a maximum power point tracking section with a simplified circuit in a solar photovoltaic power generator supplying power using sunlight instead of using a micro controller, the maximum power point tracking section that controls power switching according to a result of integration of a value obtained by dividing a power variation by a voltage variation to track a maximum power value.Type: ApplicationFiled: October 31, 2008Publication date: December 24, 2009Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Wook KIM, Sung Soo HONG, Sang Kyoo HAN, Chung Wook ROH, Jong Sun KIM, Sang Hun LEE, Jae Sun WON, Dong Seong OH, Jong Hae KIM