Lg Display Co., Ltd.

Osong Medical Innovation Foundation, Korea University Research and Business Foundation

Jae-Min Eum

Yuseon Kho

Yongwoo Lee

Sahn Nahm

Seunghyun Sung

Dae-Su Kim

Su-Hwan Go

Ho-Sung Shin

Compositions are disclosed that comprise a piezoelectric material according to Chemical Formula 1: (1−y)(NaK)(Nb,Sb)−ySrZrO+n mol % CuO, wherein 0.01≤y≤0.10, 0.4≤a≤0.6, 0≤x≤0.06, and 0.5≤n≤1.5. The compositions can further comprise a first material, and a second material surrounded by the first material. A piezoelectric device is also described, which includes a piezoelectric device layer including a composition of Chemical Formula 1, and having a first material layer and a second material layer surrounded by the first material layer; a first electrode part disposed on a first surface of the piezoelectric device layer; and a second electrode part disposed on a second surface facing the first surface.

Composition of piezoelectric material, method for fabricating the same, piezoelectric device, and display apparatus comprising piezoelectric device

Growing community of inventors

Seoul, South Korea

Jae-Min Eum