- 专利标题： PIEZOELECTRIC MATERIAL COMPOSITION, METHOD OF MANUFACTURING THE SAME, PIEZOELECTRIC DEVICE, AND APPARATUS INCLUDING THE PIEZOELECTRIC DEVICE
-
申请号： US18216756申请日： 2023-06-30
-
公开(公告)号： US20240217882A1公开(公告)日： 2024-07-04
- 发明人: Daesu KIM , YongWoo LEE , JounHo LEE , Sooyoun KIM , HwaYoul LEE , Uihyeon JEONG , Sahn NAHM , Su-Hwan GO , Yeongyeong CHAE , Seok-June CHAE , Hero KIM
- 申请人： LG Display Co., Ltd. , KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
- 申请人地址： KR Seoul
- 专利权人： LG Display Co., Ltd.,KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
- 当前专利权人： LG Display Co., Ltd.,KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
- 当前专利权人地址： KR Seoul; KR Seoul
- 优先权： KR 20220190393 2022.12.30 KR 20230080118 2023.06.22
- 主分类号： C04B35/495
- IPC分类号： C04B35/495 ; C04B35/493 ; C04B35/626 ; C04B35/64 ; H10N30/097 ; H10N30/853
摘要：
A piezoelectric material composition may be represented by Equation 1,
0
.
9
6
(
Na
a
K
1
-
a
)
(
Nb
b
(
T
1
-
b
)
)
O
3
-
(
0.04
-
x
)
M
A
M
B
O
3
-
x
(
Bi
c
Ag
1
-
c
)
M
B
O
3
+
d
mol
%
A
[
Equation
1
]
where T is Sb, Ta, or V, MA is Sr, Ba, or Ca, MB is Zr, Hf, Ti, or Sn, and A is Fe2O3, Co2O3, Mn2O3, ZnO, GeO2, CuO, or NiO, and
0.40≤a≤0.60, 0.90≤b≤1.00, 0.30≤c≤0.70, 0.00≤x≤0.04, and 0.00
0
.
9
6
(
Na
a
K
1
-
a
)
(
Nb
b
(
T
1
-
b
)
)
O
3
-
(
0.04
-
x
)
M
A
M
B
O
3
-
x
(
Bi
c
Ag
1
-
c
)
M
B
O
3
+
d
mol
%
A
[
Equation
1
]
where T is Sb, Ta, or V, MA is Sr, Ba, or Ca, MB is Zr, Hf, Ti, or Sn, and A is Fe2O3, Co2O3, Mn2O3, ZnO, GeO2, CuO, or NiO, and
0.40≤a≤0.60, 0.90≤b≤1.00, 0.30≤c≤0.70, 0.00≤x≤0.04, and 0.00
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