Samsung Display Co., Ltd.

Snu Rdb Foundation

Kyungsik Do

Wonsang Park

Jaeik Lim

Jongho Hong

Jaemin Kim

Hyeyong Chu

Dae-Hyeong Kim

Minjoon Park

A piezoelectric device, piezoelectric sensor using the same, and wearable device having the same are disclosed. In one aspect, the piezoelectric device includes a piezoelectric layer formed of a piezoelectric material and a first layer formed above the piezoelectric layer and having a carbon nano-structure.

Piezoelectric device, piezoelectric sensor using the same, and wearable device having the same

A temperature sensing device, temperature sensor using the same and wearable device having the same. In one aspect, the temperature sensing device includes a first layer formed of a temperature sensing material. The resistance of the temperature sensing material is configured to vary in response to changes in temperature. The temperature sensing device further includes a second layer comprising silver nano-particles and a third layer formed of the temperature sensing material. The second layer is interposed between the first and third layers.

Temperature sensing device, temperature sensor using the same, and wearable device having the same

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Seoul, South Korea

Kyungsik Do