Samsung Electro-mechanics Co., Ltd.

Wits Co., Ltd.

Ki Won Chang

Jae Suk Sung

Chang Mok Han

Ha Ryong Hong

Sung Eun Cho

Dae Kyu Lee

Chan Gwang An

Dae Ki Lim

Tae Sung Kim

Hyung Wook Cho

Si Hyung Kim

Duk Woo Lee

Hyun Do Park

Sung Heum Park

Dae Seong Jeon

Chul Gyun Park

Chang Soo Kang

Hee Seung Kim

Hyun Kil Nam

Jae Sun Won

Hyun Seok Lee

Sang Ho Cho

Sung Uk Lee

Sang Beom Lee

Yu Jin Lee

Chang Hee Lee

Ji Hoon Kim

Sang Hwan Cho

Sung Soo Lee

Han Bit Kim

Chul Kyu Kim

Sun Hee Lee

Jae Hyuk Jang

Yong Jong Park

Jung Wook Seo

Geun Young Park

Young Seung Roh

Sang Woo Bae

Hyun Keun Lim

Hyeon Gil Nam

Jeong Sik Seo

Nam Il Seo

Hyo Jung Yoon

Hee Sun Han

Isaac Nam

Jae Hyoung Cho

Byung Hwa Lee

Soon Tack Oh

Taek Woo Kim

Dae Ung Ahn

Kyong Keun Lee

Gie Hyoun Kweon

Chul Wan Park

Seung Hun Ryu

Jun Seung Yi

Jeong Man Han

Chang Min Han

Hyun Sam Mun

Tae Seok Yang

Choon Hee Kim

Tae Heon Lee

Eun Young Shin

Jeong Seok Han

Chang Ik Kim

Soon Joung Yio

Young Min Cheon

Myung Hyun Sung

Dong Woo Han

Yong Shik Na

Jae Gyu Go

Nam Ii Seo

Duk Won Seo

Dae Kyo Lee

Chang Hok Han

Kyung Hyun Park

Cho Sung Eun

Jeon Dae Seong

Han Chang Mok

A coil assembly includes: a connection substrate including a coil pad and an accommodating portion disposed in a position adjacent to the coil pad; and a coil portion including a spiral wiring and an end portion bonded to the coil pad, wherein at least a portion of the coil portion is disposed in the accommodating portion.

Coil assembly

A double loop antenna includes a source loop comprising: a spiral-shaped conductive source coil pattern disposed on a top surface of a board, and a source capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and a bottom surface of the board; and a resonance loop comprising: a spiral-shaped conductive resonance coil pattern disposed on the bottom surface of the board, and a resonance capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and the bottom surface of the board, wherein the source coil pattern and the resonance coil pattern are formed on different surfaces of the board.

Double loop antenna

An antenna module includes: a coil part including an antenna wiring disposed on an insulating substrate; a first magnetic part disposed on a first surface of the insulating substrate; and a second magnetic part disposed on a second surface of the insulating substrate, wherein the first magnetic part and the second magnetic part overlap with each other on a center region of the antenna wiring.

Antenna module and electronic device having the same

An antenna module includes an insulating substrate; a first antenna wiring including a first spiral wiring disposed on the insulating substrate and having a first portion disposed adjacent to an edge of the insulating substrate, and a second spiral wiring disposed on the insulating substrate and spaced apart from the first spiral wiring; and a magnetic part disposed on one surface of the insulating substrate and disposed to overlap a second portion of the first spiral wiring that is adjacent to the second spiral wiring without overlapping the first portion of the first spiral wiring.

Antenna module and electronic device including the same

A coil assembly includes: a substrate; and a coil wiring coupled to the substrate and including a spiral wiring and a lead wiring, wherein the spiral wiring includes a first section forming an outer portion of the spiral wiring and a second section, disposed inside the first section, and having a line width narrower than a line width of the first section.

An antenna module includes a wiring part including a first antenna wiring and a second antenna wiring disposed on a substrate; and a magnetic part including a first magnetic part disposed on one surface of the wiring part and a second magnetic part disposed on the other surface of the wiring part, wherein the first magnetic part is disposed on one surface of the wiring part so as to face a portion of the first antenna wiring and a portion or the entirety of the second antenna wiring, and the second magnetic part is disposed on the other surface of the wiring part so as to face the other portion of the first antenna wiring.

A coil module including a magnetic body having a first body portion extended in a first axial direction and a second body portion extended in a second axial direction different from the first axial direction; and a transmitting coil including a first coil wound around a portion of the first body portion and a second coil wound around a portion of the second body portion.

Coil module

A coil module may include: a board; an input/output terminal unit formed on the board; and a coil for near field communications (NFC) disposed on one, or a plurality of, surface(s) of the board and connected to the input/output terminal unit, wherein the coil for NFC includes a first pattern portion having one end connected to the input/output terminal unit and disposed on the board to rotate or turn in one direction, a second pattern portion connected to the first pattern portion and traversing an internal area of the first pattern portion to divide the internal area of the first pattern portion into at least two portions, and a third pattern portion having one end connected to the second pattern portion and the other end connected to the input/output terminal unit.

An antenna module includes a coil part including a second antenna wiring disposed in a spiral shape on an insulating substrate and a first antenna wiring disposed in an internal region of the second antenna wiring; and a magnetic part including a second magnetic part disposed on a second surface of the insulating substrate and a first magnetic part extending from the second magnetic part, penetrating through the internal region of the second antenna wiring, and disposed on a first surface of the insulating substrate.

Antenna module

There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.

Thin film coil and electronic device having the same

There are provided a non-contact power supply device and a non-contact power supply method, in which a short beacon is transmitted to recognize a power receiving device, a long beacon is transmitted to wake-up a communications circuit of the power receiving device, and charging power is transmitted in a contactless manner, wherein at least one of signal levels of the short beacon and signal levels of the long beacon is varied.

Non-contact power supply device and non-contact power supply method

A coil substrate for wireless power transmission includes: an insulating substrate including a first surface and a second surface; a first wiring portion disposed on the first surface, wherein the first wiring portion includes first spiral patterns and a section in which opposing ends of each of the first spiral patterns are disposed parallel to each other; a second wiring portion disposed on the second surface and including second spiral patterns, wherein opposing ends of each of the second spiral patterns are spaced apart from each other; and conductive vias alternately connecting the first spiral patterns and the second spiral patterns to each other to form coil turns.

Coil substrate

A coil module includes a substrate; a wireless charging coil formed in a substantially central portion of the substrate positioned on both surfaces of the substrate; and a first wireless communications coil which does not directly contact the wireless charging coil and is formed in the substantially central portion of the substrate on both surfaces of the substrate, wherein, in a region of the substrate in which the wireless charging coil and the first wireless communications coil are overlapped with each other, the wireless charging coil is formed on one surface of the region and the first wireless communications coil is formed on the other surface of the region, respectively.

Coil module and wireless power receiver using the same

An apparatus for transmitting power wirelessly includes a power transmitter configured to transmit power wirelessly to an apparatus for receiving power wirelessly, and an identification information manager configured to transmit first identification information allocated to the apparatus for transmitting power wirelessly to other devices.

Apparatus and method for transmitting and receiving power wirelessly

Growing community of inventors

Suwon-si, South Korea

Ki Won Chang