University-industry Cooperation Group of Kyung Hee University

Gun Young Kim

Bom Son Lee

Jun Ho Lee

Se Jin Kim

Joon Hwan Kim

Een Kee Hong

Sang Woong Yoon

Sung Youn Hwang

Ju Hwan Lim

Se Hun Na

Disclosed is a wireless power transmission system including a microstrip patch antenna. More particularly, a microstrip patch antenna according to an embodiment of the present disclosure includes a substrate, a patch disposed on the substrate, and a plurality of protrusions with a conical shape disposed on the patch.

Wireless power transmission system using patch antenna

Disclosed are a wireless charging pad including a plurality of small power transmission coils and a device for and a method of driving the wireless charging pad. More particularly, the wireless charging apparatus includes a driving controller configured to generate a first control signal so as to apply a first driving voltage having a first phase to power transmission coils to be driven matching a device to be charged among the small power transmission coils and generate a second control signal so as to apply a second driving voltage having a phase opposite to the first phase to power transmission coils surrounding the power transmission coils to be driven; and a coil driver configured to apply the first and second driving signals to a wireless charging pad.

Wireless charging pad including plurality of small power transmission coils and device for and method of driving wireless charging pad in wireless power transmission system

Disclosed is a wireless power transmission system using a meta-structure transmission line capable of performing beam steering. The wireless power transmission device using a meta-structure transmission line capable of performing beam steering includes a beam steerer including a meta-structure transmission line constituted of a plurality of single cells; a controller configured to control an operation mode and beam scanning of the beam steerer; and a power supply configured to supply power to the beam steerer under control of the controller.

Wireless power transmission system using meta-structure transmission line capable of performing beam steering

Growing community of inventors

Andong-si, South Korea

Gun Young Kim