| Patent application number | Description | Published |
|---|
| 20110084789 | TRANSFORMER AND TRANSFORMER ASSEMBLY - A transformer includes: a bobbin on which a coil is wound; a core coupled with the bobbin to provide a magnetic flux and installed on the PCB in a penetrating manner; and a base plate electrically connected to the coil and having a lead frame connected to the PCB, wherein the lead frame is formed such that the base plate is separated from an upper surface of the PCB. | 04-14-2011 |
| 20110193668 | TRANSFORMER AND TRANSFORMER ASSEMBLY - A transformer includes: a bobbin on which a coil is wound; a core coupled with the bobbin to provide a magnetic flux, at least a portion of the core being installed on the PCB in a penetrating manner; and a base plate electrically connected to the coil and having a lead frame connected to the PCB, wherein the base plate is installed to be reversedly disposed at an upper side of the bobbin on the PCB, a space is formed between a lower surface of the base plate and an upper surface of the PCB, and the space between the lower surface of the base plate and the upper surface of the PCB is supported by a support member in contact with the upper surface of the PCB. | 08-11-2011 |
| 20110227688 | PLANAR TRANSFORMER - There is provided a planar transformer having improved performance through a reduction in heat generation by removing part of a conductor from a substrate. The planar transformer includes a core part having a pair of cores being electromagnetically coupled to each other; a substrate part having at least one substrate disposed between the pair of cores; a pattern part formed on the at least one substrate and including a conductor having an adjustable width; and an opening part including a non-conductor allowing for variations in the width of the conductor of the pattern part. | 09-22-2011 |
| 20110241816 | PLANAR TRANSFORMER AND METHOD OF MANUFACTURING THE SAME - There are is a planar transformer and a method of manufacturing the same that can prevent resin being coated from being separated from a conductor during the manufacturing of a transformer by forming a dummy pattern on a board. A planar transformer according to an aspect of the invention may include: a core part having a pair of cores electromagneticaliy coupled to each other; a board part having a plurality of boards disposed between the pair of cores and stacked upon one another; a pattern part having a power transmission pattern provided on at least one board of the plurality of boards of the board part and transmitting power being input, and a dummy pattern provided on the same board having the power transmission pattern thereon and separated from the power transmission pattern by a predetermined interval; and a resin part being coated over the at least one board of the plurality of boards, the at least one board having the pattern part thereon. | 10-06-2011 |
| 20120001713 | TRANSFORMER - 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. | 01-05-2012 |
| 20120001714 | TRANSFORMER AND DISPLAY DEVICE HAVING THE SAME - The present invention relates to an LCD display device, a transformer, which can be applied to a thin display device, such as an LED display, and a display device having the same. There are provided a transformer including: a bobbin part including a primary bobbin including a first bobbin body having a first through hole therein, the first bobbin body including a first winding unit having a coil wound around an outer circumferential surface of the first through hole, and at least one secondary bobbin including a second bobbin body having a second through hole therein, the second bobbin body including a second winding unit having a coil wound around an outer circumferential surface of the second through hole, wherein the primary bobbin is inserted into the second through hole, and a protrusion is formed on at least part of the outer circumferential surface of the second through hole so that the protrusion is inserted into the first winding unit of the primary bobbin; and a core part having a pair of cores electromagnetically coupled with each other through the first through hole, and a display device having the same. | 01-05-2012 |
| 20120001716 | TRANSFORMER - 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. | 01-05-2012 |
| 20120001717 | TRANSFORMER - 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. | 01-05-2012 |
| 20120001886 | TRANSFORMER AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - 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. | 01-05-2012 |
| 20120001887 | TRANSFORMER AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - 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) display device, and a flat panel display device including the same. 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 inner bobbin is inserted into the through-hole of the outer bobbin to thereby be coupled to the outer bobbin and at least one of the inner and outer bobbins includes the flange part having a width larger than a thickness of the body part. | 01-05-2012 |
| 20120002387 | TRANSFORMER AND FLAT PANEL DISPLAY DEVICE INCLUDING THE SAME - 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. | 01-05-2012 |
