Patent application number | Description | Published |
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 |
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 |
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 |
20120319614 | TRANSFORMER AND DISPLAY DEVICE USING THE SAME - There is provided a transformer having a minimized leakage inductance. The transformer includes: a winding part including a pipe shaped body part having a plurality of coils wound therearound and flange parts extended from both ends of the body part in an outer diameter direction thereof; and a core coupled to the winding part, wherein a flange part formed at one end of the body part includes at least one lead groove, and the coils are led to the outside of the winding part through the at least one lead groove. | 12-20-2012 |
20120320504 | TRANSFORMER AND DISPLAY DEVICE USING THE SAME - There is provided a transformer having a minimized leakage inductance. The transformer includes: a bobbin including a plurality of partitioned spaces; and a plurality of coils wound and stacked in the plurality of partitioned spaces, wherein the respective coils are wound so as to be disposed in the plurality of partitioned spaces, and at least one of the coils is a multi-insulated coil. | 12-20-2012 |
20120320505 | TRANSFORMER AND DISPLAY DEVICE USING THE SAME - There is provided a transformer having a minimized leakage inductance. The transformer includes: a bobbin including at least one partition wall formed on an outer peripheral surface of a pipe shaped body part thereof; a plurality of coils wound and stacked on the body part; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the respective coils are disposed in a plurality of spaces partitioned by the at least one partition wall. | 12-20-2012 |
20130002386 | TRANSFORMER AND DISPLAY DEVICE USING THE SAME - There is provided a transformer capable of significantly reducing leakage inductance while satisfying safety standards. The transformer includes: a winding part having a plurality of coils wound on an outer peripheral surface of a pipe shaped body part while being stacked thereon; and a terminal connection part extended from one end of the winding part in an outer diameter direction thereof and having a plurality of external connection terminals coupled to a distal end thereof, the terminal connection part including at least one catching groove formed such that the coils are led to the outside of the winding part therethrough, and a lead wire of at least one of the coils being led to the outside of the winding part while maintaining a winding direction of the coils. | 01-03-2013 |
20130154782 | COIL COMPONENT AND METHOD OF MANUFACTURING THE SAME - There are provided a coil component and a method of manufacturing the same. The coil component includes a core; at least one bobbin coupled to the core and having a coil wound therearound; and a base having the core seated therein and including an external connection terminal, wherein one side of the core is seated in the bobbin and the other side thereof is exposed to the outside of the base. | 06-20-2013 |
20130169400 | TRANSFORMER AND POWER MODULE HAVING THE SAME - A transformer capable of security insulting reliability and a power module having the same are provided. The transformer includes: a winding unit having at least one winding space in which a plurality of coils are wound in a stacked manner on an outer circumferential surface of a cylindrical body portion; and a terminal fastening unit formed to extend from one end of the winding unit in an outer diameter direction and having a plurality of external connection terminals fastened to an end thereof, wherein a width of the winding space is less than 0.45 times that of a diameter of the body portion. | 07-04-2013 |
20130170085 | POWER SUPPLY APPARATUS INCLUDING OVERVOLTAGE PROTECTION FUNCTION - There is provided a power supply apparatus including an overvoltage protection function, the power supply apparatus including: a power supply unit supplying a predetermined input power supply; a rectification unit generating a first power supply by rectifying the input power supply; a main circuit unit generating a second power supply from the first power supply; and an overvoltage blocking unit blocking overvoltages and overcurrents, wherein the overvoltage blocking unit includes varistors connected between at least one of a live line and a neutral line of the input power supply and a ground. | 07-04-2013 |
20140125442 | 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 through-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. | 05-08-2014 |