Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Kyu-sung Lee

Young-ho Choi

Jin-Soo Choi

Sang-min Lim

Young-chan Park

Chun-taek Rim

Eun-soo Lee

Byeong-guk Choi

Jin Soo Choi

Eun Soo Lee

Chun Taek Rim

Ho-jic Kim

Tan Duy Nguyen

Byeong Guk Choi

The present invention relates to an electronic apparatus and display apparatus, and method for driving the apparatuses, and the display apparatus according to an embodiment of the present invention may comprise: a resonance circuit unit for generating voltage by means of inductive electromotive force generated due to an external apparatus; a rectification unit for rectifying the output voltage of the resonance circuit unit; and a converter for outputting the rectified voltage of the rectification unit as the target voltage by varying duty on the basis of duty data and target voltage determined in accordance with the distance from the external apparatus.

Electronic apparatus and display apparatus, and method for operating apparatuses

The present invention relates to a display apparatus and operational method therefor, and an electronic apparatus, and the display apparatus according to an embodiment of the present invention may comprise: a resonance circuit unit for generating voltage by means of inductive electromotive force generated due to an external apparatus; a capacitance variance unit for varying the capacitance (Cv) of the resonance circuit unit in order to control the resonance point thereof, the resonance point having been changed due to the distance from the external apparatus; and a display panel for implementing an image by means of the voltage.

Display apparatus and operational method therefor, and electronic apparatus

Provided is an electronic device including: a wireless power receiver configured to receive wireless power from a wireless power transmission device; and a controller configured to obtain a reception ratio of wireless power received by the wireless power receiver relative to wireless power transmitted by the wireless power transmission device, and provide a user interface that guides a location movement of the wireless power transmission device, based on the obtained reception ratio.

Electronic device, and method for electronic device providing user interface

Provided are a wireless power transmission device and a wireless power transmission system. The wireless power transmission device, according to one embodiment of the present invention, may comprise: a dipole coil comprising a core, and a conducting wire wound at the center part of the core; a power unit for supplying a current to the conducting wire; and a canceling coil for canceling a magnetic field radiated from a lateral surface of the dipole coil.

Wireless power transmission device and wireless power transmission system

Growing community of inventors

Ansan-si, South Korea

Kyu-sung Lee