Samsung Electro-mechanics Co., Ltd.

Wits Co., Ltd.

Doo Ho Park

Jung Young Cho

Tae Jun Choi

Seung Min Lee

Byeong Cheol Moon

Seung Mo Lim

No Il Park

Sung Nam Cho

Jeong Hoon Ryou

Tai Yon Cho

Seung Hee Oh

Jung Wook Seo

Jong Ho Chung

Chang Hak Choi

Jang Ho Park

In Young Kang

Dong Sik Yoo

Sung Yeol Park

In Hyun Jang

Yong Suk Kim

San Kyeong

Jung Ryoul Yim

Jung Ryoul Lim

A coil component includes a body having one surface and another surface opposing each other, opposing end surfaces each connecting the one surface and the other surface to each other, and opposing side surfaces each connecting the end surfaces to each other. An internal insulating layer is embedded in the body, and a coil portion is disposed on at least one surface of the internal insulating layer and includes the first and second lead-out portions. The body has a recess disposed in each end surface of the body to expose the first and second lead-out portions. First and second external electrodes each include a connection portion disposed in the recess to be connected to a respective one of the first and second lead-out portions, and each include a pad portion disposed on the one surface of the body. A filling portion fills the recess and covers the connection portion.

Coil component

A coil electronic component includes a body having one surface and the other surface, opposing each other, and a plurality of wall surfaces respectively connecting the one surface and the other surface of the body, first and second recesses, respectively formed in both end surfaces of the body opposing each other among the plurality of wall surfaces of the body, extending to the one surface of the body, a wound coil, embedded in the body, including first and second lead-out portions, a first external electrode disposed along an internal wall of the first recess and the one surface of the body and connected to the first lead-out portion, and a second external electrode disposed along an internal wall of the second recess and the one surface of the body and connected to the first lead-out portion. The first and second external electrodes are spaced apart from each other.

Coil electronic component

A coil component includes a body having one surface and the other surface and a plurality of wall surfaces, first and second insulating substrates spaced apart from each other, first and second recesses disposed in both end surfaces of the body and extending to one surface of the body, first and second coil portions disposed on the first and second insulating substrates, one ends and the other ends of the first and second coil portions being exposed to the first and second recesses, first and second external electrodes disposed along an inner surface of the first recess and one surface of the body and connected to one ends of the first and second coil portions, and third and fourth external electrodes disposed along an inner surface of the second recess and one surface of the body and connected to the other ends of the first and second coil portions.

A magnetic field shielding structure includes a magnetic layer and a resonance reactive shielding circuit including a capacitor and a conductor connected to the capacitor and having a loop form. At least a portion of the magnetic layer overlaps an area surrounded by the conductor in a thickness direction of the magnetic layer.

Magnetic field shielding structure and mobile device including the magnetic field structure

A magnetic sheet includes a first region and a second region disposed adjacent to each other on a same surface, wherein the first region includes first crack lines formed in a first direction, and the second region includes second crack lines formed in a second direction.

Magnetic sheet and wireless power charging apparatus including the same

A magnetic sheet for a communications module includes a magnetic material. The magnetic sheet includes crushed cracks in a first region and a second region disposed adjacent to the first region. Degrees of crushed cracks are different in the first region and the second region.

Magnetic sheet for communications module

A wireless power charging system includes a reception coil unit including an insulating layer, a first coil including a first body portion disposed as a spiral on one surface of the insulating layer and a first lead portion extending from one end of the first body portion and led out of the insulating layer, and a second coil including a second body portion formed on the other surface of the insulating layer and electrically connected to the other end of the first body portion through a via and a second lead portion extending from the second body portion and led out of the insulating layer. The second coil has a width larger than that of the first coil and has a thickness smaller than that of the first coil.

Wireless power charging system

A sheet for shielding against electromagnetic waves includes a first magnetic material having a plurality of through holes formed in a thickness direction, and a second magnetic material filling the plurality of through holes and blocking a frequency band different from that of electromagnetic waves blocked by the first magnetic material.

Sheet for shielding against electromagnetic waves and wireless power charging device

A sheet for shielding against electromagnetic waves and a wireless power charging device are provided. The sheet for shielding against electromagnetic waves includes a plurality of magnetic layers and an adhesive layer interposed between the plurality of magnetic layers and forming chemical bonds with an adjacent magnetic layer.

A sheet for shielding electromagnetic waves includes a magnetic sheet formed of a metal ribbon. The magnetic sheet includes fractures disposed in a plurality of cracked portions comprising a plurality of metal ribbon fragments.

Sheet for shielding electromagnetic waves for wireless charging element

A touch panel may include a substrate; a printing part formed on a bezel area of the substrate; and a plurality of electrodes provided on the substrate and the printing part and including conductive wires configuring a plurality of unit cells having a mesh shape. Portions of wires configuring each of the plurality of unit cells overlapped with a boundary line between the substrate and the printing part among the plurality of unit cells are disconnected.

Touch panel

A touch panel may include: a substrate having an upper surface and a lower surface; a first electrode layer disposed on the lower surface of the substrate and formed in a mesh shape; a first insulating layer disposed on the lower surface of the substrate and disposed to surround the first electrode layer; a surface reforming layer disposed on a lower surface of the first insulating layer and capable of reforming a hydrophobic surface to a hydrophilic surface; and a second electrode layer disposed on a lower surface of the surface reforming layer and formed in a mesh shape.

Growing community of inventors

Suwon-si, South Korea

Doo Ho Park