Samsung Electro-mechanics Co., Ltd.

Wits Co., Ltd.

Choon Hee Kim

Jae Suk Sung

Ki Won Chang

Nam Ki Kim

Chang Mok Han

Dae Seong Jeon

Ji Hoon Kim

Hyung Wook Cho

Si Hyung Kim

Hyun Do Park

Hyeon Gil Nam

Hyun Keun Lim

Isaac Nam

Tae Seok Yang

Taek Woo Kim

Tae Heon Lee

Dong Woo Han

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 wireless communications antenna includes a first coil including first conductive patterns disposed on a first layer along a first axis and a second coil including second conductive patterns disposed on a second layer along a second axis having a direction different from a direction of the first axis.

Wireless communications antenna and wireless communications device using the same

A wireless power receiver includes a resonance circuit, a power receiver, and a data transmitter. The power receiver is configured to control the resonance circuit to receive wireless power. The data transmitter is configured to control the resonance circuit to transmit data.

Wireless power receiver

Growing community of inventors

Suwon-si, South Korea

Choon Hee Kim