Samsung Electro-mechanics Co., Ltd.

Dong Woon Chang

Myeong Woo Han

Kwang Du Lee

Yeong Gyu Lee

Chan Yong Jeong

Jung Aun Lee

Joun Sup Park

Hyung Goo Baek

Sung Won Im

An acoustic wave resonator includes: a substrate; a resonating portion formed on a first surface of the substrate; a metal pad connected to the resonating portion through a via hole formed in the substrate; and a protective layer disposed on a second surface of the substrate and including a plurality of layers, wherein the plurality of layers includes an internal protective layer directly in contact with the second surface of the substrate and formed of an insulating material including an adhesion that is stronger than an adhesion of other layers, among the plurality of layers.

Acoustic wave resonator and method for manufacturing the same

Disclosed herein is a display system incorporating wired and wireless charging apparatuses, including: a switching processing unit supplying and processing a power of a power supply unit according to a mode selected through a switch; a wireless charging unit connected to the switching processing unit and including a pad for wireless charging; a wired charging unit connected to the switching processing unit and a terminal for wired charging; a display unit connected to the switching processing unit; and a control unit connected to the switching processing unit to control operations according to the mode.

Display device and display system incorporating wired and wireless charging apparatuses

Growing community of inventors

Gyunggi-do, South Korea

Dong Woon Chang