Invention Grant
- Patent Title: Piezoelectric element, piezoelectric device including the same, and vibration module and display apparatus including the piezoelectric device
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Application No.: US16886150Application Date: 2020-05-28
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Publication No.: US11462675B2Publication Date: 2022-10-04
- Inventor: Taeheon Kim , Sahn Nahm , YongGyoon Jang , Jonghyun Kim , Ku-Tak Lee , Chiwan Kim , Sung-Eui Shin , YongWoo Lee , Seok-June Chae
- Applicant: LG Display Co., Ltd. , Korea University Research and Business Foundation
- Applicant Address: KR Seoul; KR Seoul
- Assignee: LG Display Co., Ltd.,Korea University Research and Business Foundation
- Current Assignee: LG Display Co., Ltd.,Korea University Research and Business Foundation
- Current Assignee Address: KR Seoul; KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2019-0063448 20190529
- Main IPC: H01L41/187
- IPC: H01L41/187 ; G06F3/041 ; G10K9/122 ; G06F1/16 ; G06F3/01
Abstract:
A piezoelectric element comprising a compound represented by Formula 1, a piezoelectric device including the piezoelectric element, a vibration module including the piezoelectric device, and a display apparatus including the piezoelectric device are provided, where (1-x)(LizNa0.5-zK0.5)(Nb1-ySby)O3.xCaZrO3 [Formula 1] where x, y, and z have a range of 0.001≤x≤0.2, a range of 0≤y≤0.5, and a range of 0≤z≤0.2, respectively.
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