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公开(公告)号：US20240224807A1
公开(公告)日：2024-07-04
申请号：US18387095
申请日：2023-11-06
Applicant: LG DISPLAY CO., LTD.
Inventor： Uihyeon JEONG , YongWoo LEE , JounHo LEE , Sooyoun KIM , HwaYoul LEE
IPC: H10N30/853 , H10N30/053 , H10N30/067 , H10N30/20 , H10N30/50
CPC classification number: H10N30/853 , H10N30/053 , H10N30/067 , H10N30/20 , H10N30/50
Abstract: A piezoelectric material composition includes a first material, and a second material in the first material, wherein the piezoelectric material composition represented by (Equation 1) 0.96(NaaK1-a)(Nbb(Sb1-b))O3-(0.04-x)MZrO3-x(BicAg1-c)ZrO3+d mol % E, where 1, M denotes strontium (Sr), barium (Ba), or calcium (Ca), E denotes the second material, 0.40≤a≤0.60, 0.90≤b≤0.98, 0.30≤c≤0.70, 0.00
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Patent Agency Ranking
公开(公告)号：US20240224810A1
公开(公告)日：2024-07-04
申请号：US18381076
申请日：2023-10-17
Applicant: LG Display Co., Ltd.
Inventor： YongWoo LEE , JounHo LEE , Sooyoun KIM , HwaYoul LEE , Uihyeon JEONG
CPC classification number: H10N30/877 , H10N30/20
Abstract: Discussed is a piezoelectric device that can include a piezoelectric device layer, a first electrode layer at a first surface of the piezoelectric device layer, and a second electrode layer at a second surface different from the first surface of the piezoelectric device layer. The piezoelectric device layer includes a first vibration portion and a second vibration portion overlapping each other in a thickness direction of the piezoelectric device layer and having different characteristics.
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公开(公告)号：US20240224805A1
公开(公告)日：2024-07-04
申请号：US18389135
申请日：2023-11-13
Applicant: LG Display Co., Ltd.
Inventor： Sooyoun KIM , YongWoo LEE , HwaYoul LEE , Uihyeon JEONG , JounHo LEE
IPC: H10N30/50 , H10N30/053 , H10N30/853
CPC classification number: H10N30/50 , H10N30/053 , H10N30/8536 , H10N30/8542 , H10N30/8561
Abstract: Discussed is a piezoelectric device that can include a piezoelectric device layer, a first electrode layer at a first surface of the piezoelectric device layer, and a second electrode layer at a second surface, differing from the first surface, of the piezoelectric device layer, wherein the piezoelectric device layer includes a first vibration portion and a second vibration portion each provided on a same plane to have different characteristics.
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公开(公告)号：US20240223962A1
公开(公告)日：2024-07-04
申请号：US18386922
申请日：2023-11-03
Applicant: LG Display Co., Ltd.
Inventor： Uihyeon JEONG , YongWoo LEE , JounHo LEE , Sooyoun KIM , HwaYoul LEE
CPC classification number: H04R17/00 , H04R1/028 , H10N30/871 , H04R2499/15
Abstract: A vibration apparatus includes a conductive substrate, at least one vibration layer at one surface of the conductive substrate, and at least one electrode layer at one surface of the vibration layer. The vibration layer and the electrode layer are alternately arranged in a stack on the surface of the conductive substrate.
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公开(公告)号：US20240217882A1
公开(公告)日：2024-07-04
申请号：US18216756
申请日：2023-06-30
Inventor： Daesu KIM , YongWoo LEE , JounHo LEE , Sooyoun KIM , HwaYoul LEE , Uihyeon JEONG , Sahn NAHM , Su-Hwan GO , Yeongyeong CHAE , Seok-June CHAE , Hero KIM
IPC: C04B35/495 , C04B35/493 , C04B35/626 , C04B35/64 , H10N30/097 , H10N30/853
CPC classification number: C04B35/495 , C04B35/493 , C04B35/6262 , C04B35/64 , H10N30/097 , H10N30/8542 , C04B2235/3234 , C04B2235/3249 , C04B2235/3255 , C04B2235/3262 , C04B2235/3272 , C04B2235/3281 , C04B2235/6025 , C04B2235/6567 , C04B2235/765 , C04B2235/786
Abstract: 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-
公开(公告)号：US20210124103A1
公开(公告)日：2021-04-29
申请号：US17071868
申请日：2020-10-15
Applicant: LG Display Co., Ltd.
Inventor： Suhyun PARK , JounHo LEE
IPC: G02B5/30
Abstract: A viewing angle adjusting film includes a polarizing film having a transmission axis in a first direction and an optical film disposed on the polarizing film and including first areas having isotropy or anisotropy and second areas having anisotropy, the first areas and the second areas being alternately disposed. A refractive index of the second areas in the first direction is higher than a refractive index of the first areas in the first direction. Therefore, the optical film including first areas and second areas having different refractive indices is disposed on a polarizing film to thereby form a viewing angle adjusting film, so that diffusion and collection of light can be easily achieved.
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