Samsung Electro-mechanics Co., Ltd.

Doo Sung Jung

Seung Wook Park

No Il Park

Jang Su Kim

Chang Wook Lee

Chang Bae Lee

The present invention relates to a coil type unit for wireless power transmission, a wireless power transmission device, an electronic device, and a manufacturing method of a coil type unit for wireless power transmission. A coil type unit for wireless power transmission according to the present invention includes a coil pattern having a wiring pattern shape; a magnetic portion having the coil pattern attached to one surface thereof and a conductive pattern formed thereon; an insulating adhesive portion interposed between the magnetic portion having the conductive pattern formed thereon and the coil pattern to bond the magnetic portion and the coil pattern to each other while insulating the coil pattern and the conductive pattern from each other; and a conductive via for electrically connecting both ends of the coil pattern and the conductive pattern.

Coil type unit for wireless power transmission, wireless power transmission device, electronic device and manufacturing method of coil type unit for wireless power transmission

The present invention relates to a coil type unit for wireless power transmission, a wireless power transmission device, an electronic device, and a manufacturing method of a coil type unit for wireless power transmission. A coil type unit for wireless power transmission according to the present invention includes a coil pattern in the form of a wiring pattern; a magnetic portion having the coil pattern attached to one surface thereof; and an adhesive portion interposed between the magnetic portion and the coil pattern to bond the magnetic portion and the coil pattern, wherein the magnetic portion is formed by laminating one or more conductive sheets with one or more magnetic sheets and integrally firing the laminated sheets, and the magnetic portion has conductive holes in the position, where both ends of the coil pattern are disposed, to electrically connect the both ends of the coil pattern and the conductive sheet.

There is provided a shield part including: a magnetic laminate formed by laminating a plurality of magnetic layers and having a first surface and a second surface; a coil pattern formed on the first surface; and a first lead part formed at an end portion of a central portion of the coil pattern and a second lead part formed outside of the coil pattern, wherein a portion of the second surface is removed to form a recess, the first lead part is electrically connected to the second lead part by a conductive material disposed in the recess and a first via formed in the magnetic laminate in a lamination direction, and the second lead part is electrically connected to the first lead part by the conductive material disposed in the recess and a second via formed in the magnetic laminate in the lamination direction.

Growing community of inventors

Suwon-si, South Korea

Doo Sung Jung