Abstract: Disclosed are a coil component capable of securing insulation between primary and secondary coils while being miniaturized, a mounting structure thereof, and an electronic device having the same. The coil component includes a bobbin including a winding part around which coils are wound and first terminal fastening parts fastened to a plurality of first connection terminals; and a second terminal fastening part including terminal blocks protruded from the bobbin and a plurality of second connection terminals fastened to the terminal blocks, wherein the second terminal fastening part is mounted on a substrate while being spaced apart from the bobbin after the coils are wound therearound.

Abstract: There are provided a coil component capable of easily mounting in a narrow mounting space, and a display device including the same. The coil component including: a bobbin including a cylindrical body part having a plurality of coils wound on an outer peripheral surface thereof, flange parts formed at both ends of the body part, and at least one or more core support parts protruded from outer surfaces of the flange parts; and a core coupled to the bobbin and seated on and fixed to the core support part.

Abstract: There are provided a coil component capable of decreasing leakage inductance and a display device including the same. The coil component includes a cylindrical body part having a plurality of coils wound and stacked on an outer peripheral surface thereof; and one or more spacing parts formed on the outer peripheral surface of the body part to uniformly distribute the coils directly wound on the body part.

Abstract: There is provided a coil component able to have a small size and significantly reduced thermal deformation in a manufacturing process. The coil component includes a bobbin including a winding part having a coil wound therein and a terminal insertion part having a terminal insertion groove formed therein; and at least one terminal board including a plurality of external connection terminals and insertedly coupled to the terminal insertion part.

Abstract: Disclosed are a coil component capable of securing insulation between primary and secondary coils while being miniaturized, a mounting structure thereof, and an electronic device having the same. The coil component includes a bobbin including a winding part around which coils are wound and first terminal fastening parts fastened to a plurality of first connection terminals; and a second terminal fastening part including terminal blocks protruded from the bobbin and a plurality of second connection terminals fastened to the terminal blocks, wherein the second terminal fastening part is mounted on a substrate while being spaced apart from the bobbin after the coils are wound therearound.

Abstract: There is provided a transformer, and more particularly, a transformer capable of minimizing leakage inductance while satisfying a safety standard. The transformer includes: a pipe shaped body part including a plurality of coils wound around an outer peripheral surface thereof while being stacked thereon; and flange parts extended from both ends of the body part in an outer diameter direction thereof, wherein one of the flange parts formed at one end of a winding part includes at least one lead groove therein, the lead groove being formed by being cut to be extended in the outer diameter direction, and the lead groove is divided into at least two outlets by a dividing protrusion disposed in an inner portion thereof.

Abstract: There is provided a transformer capable of easily securing an insulation distance between a core and coils. The transformer includes: a bobbin including a pipe shaped body part having a through-hole formed therein and flange parts protruding outwardly from both ends of the body part; a plurality of coils wound on the body part of the bobbin; and a core inserted into the through-hole of the bobbin to form a magnetic circuit, wherein both an outer surface and an outer peripheral surface of the flange parts are disposed to be spaced apart from an inner peripheral surface of a core by a predetermined interval.

Abstract: There is provided a transformer, and more particularly, a transformer capable of minimizing leakage inductance while satisfying a safety standard. The transformer includes: a pipe shaped body part including a plurality of coils wound around an outer peripheral surface thereof while being stacked thereon; and flange parts extended from both ends of the body part in an outer diameter direction thereof, wherein one of the flange parts formed at one end of a winding part includes at least one lead groove therein, the lead groove being formed by being cut to be extended in the outer diameter direction, and the lead groove is divided into at least two outlets by a dividing protrusion disposed in an inner portion thereof.

Abstract: There are provided a transformer capable of being easily manufactured by facilitating insulation between coils and minimizing leakage inductance, and a display device using the same. The transformer includes: a bobbin including at least one partition wall formed on an outer peripheral surface of a body part having a pipe; a coil group including a plurality of coils wound while being stacked on the body part and at least one insulating wire wound between the plurality of coils; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the plurality of coils are individually wound so as to be uniformly disposed in a plurality of spaces partitioned by the at least one partition wall.

Abstract: The present invention provides a multiple lamp driving capable of being applied to a multiple lamp system such as an LCD, wherein the multiple lamp driving device includes: a power supply unit for supplying a driving voltage to a lamp unit provided with first to 4nth lamps; and a balancing circuit unit including first to nth balance transformers for receiving the driving voltage from the power supply unit and balancing currents flowing through the first to 4nth lamps, wherein each of the first to nth balance transformers includes a primary side connected to the power supply unit in series and first and second secondary sides electrically connected to the primary side, each one end of the first and second secondary sides is connected to one end of one of the first to 4nth lamps, each of the other ends of the first and second secondary sides is connected to one end of another among the first to 4nth lamps, and the other ends of all of the first to 4nth lamps are connected to a ground.

Abstract: The present invention provides a multiple lamp driving capable of being applied to a multiple lamp system such as an LCD, wherein the multiple lamp driving device includes: a power supply unit for supplying a driving voltage to a lamp unit provided with first to 4nth lamps; and a balancing circuit unit including first to nth balance transformers for receiving the driving voltage from the power supply unit and balancing currents flowing through the first to 4nth lamps, wherein each of the first to nth balance transformers includes a primary side connected to the power supply unit in series and first and second secondary sides electrically connected to the primary side, each one end of the first and second secondary sides is connected to one end of one of the first to 4nth lamps, each of the other ends of the first and second secondary sides is connected to one end of another among the first to 4nth lamps, and the other ends of all of the first to 4nth lamps are connected to a ground.