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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：US20240072208A1
公开(公告)日：2024-02-29
申请号：US18232689
申请日：2023-08-10
Applicant: LG Display Co., Ltd.
Inventor： Uihyeon JEONG , Sooyoun KIM , YongWoo LEE , HwaYoul LEE
Abstract: A display apparatus includes a display panel having a base member, a plate member, and a display part disposed between the base member and the plate member, a vibration layer disposed at a rear surface of the plate member, and an electrode layer disposed at the vibration layer. Further, a signal cable can be provided, which is electrically coupled to the plate member and the electrode layer.
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公开(公告)号：US20240013762A1
公开(公告)日：2024-01-11
申请号：US18472152
申请日：2023-09-21
Applicant: LG DISPLAY CO., LTD.
Inventor： Uihyeon JEONG , Chiwan KIM , YongWoo LEE , Sungwook KO
CPC classification number: H05K5/0018 , H05K5/0217 , H10N30/20
Abstract: A display apparatus includes a display panel configured to display an image, a vibration generating device at a rear surface of the display panel to vibrate the display panel, and a supporting member at the rear surface of the display panel and including a first hole. The first hole may be disposed at a whole region or periphery of the vibration generating device.
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公开(公告)号：US20230421963A1
公开(公告)日：2023-12-28
申请号：US18243083
申请日：2023-09-06
Applicant: LG Display Co., Ltd.
Inventor： Sung Eui SHIN , Taeheon KIM , Kyungyeol RYU , YongGyoon JANG , Chiwan KIM , YongWoo LEE , YuSeon KHO
CPC classification number: H04R17/00 , H04R1/028 , H04R7/045 , G06F1/1652
Abstract: A display apparatus including a flexible vibration module and a method of manufacturing the flexible vibration module are provided. A display apparatus includes: a display panel configured to display an image, and a flexible vibration module on a rear surface of the display panel, the flexible vibration module configured to vibrate the display panel, the flexible vibration module including: a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions respectively between pairs of the plurality of first portions, the plurality of second portions having flexibility.
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公开(公告)号：US20230419718A1
公开(公告)日：2023-12-28
申请号：US18244003
申请日：2023-09-08
Applicant: LG Display Co., Ltd.
Inventor： YuSeon KHO , Yong-Su HAM , YongWoo LEE
CPC classification number: G06V40/1306 , G06F3/16 , G06F3/016 , A61B5/1172
Abstract: A composite piezoelectric element and an electronic device having the same are disclosed, in which the composite piezoelectric element includes insulating films and piezoelectric bodies, which are alternately arranged, wherein the piezoelectric bodies may be categorized into general piezoelectric bodies used as at least one of a haptic actuator, a speaker actuator and a receiver actuator, and a finger scan recognition piezoelectric body for finger scan recognition.
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Patent Agency Ranking
公开(公告)号：US20230345156A1
公开(公告)日：2023-10-26
申请号：US18211583
申请日：2023-06-19
Applicant: LG Display Co., Ltd.
Inventor： Taeheon KIM , Chiwan KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG
CPC classification number: H04R1/028 , H04R17/00 , H10N30/20 , H10N30/857 , H10N30/883 , H10N39/00 , H04R2499/15
Abstract: A display apparatus includes a display panel configured to display an image and a sound generating device on a rear surface of the display panel. The sound generating device is configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a first passivation layer on one side of the first structure, at least a portion of the first passivation layer having a non-flat shape.
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公开(公告)号：US20230217827A1
公开(公告)日：2023-07-06
申请号：US17967781
申请日：2022-10-17
Applicant: LG Display Co., Ltd.
Inventor： YuSeon KHO , Jaeyoung LIM , Sooyoun KIM , YongWoo LEE
IPC: H01L41/09 , H01L41/047 , H01L41/18 , H04R17/10
CPC classification number: H01L41/09 , H01L41/0472 , H01L41/18 , H04R17/10 , H04R2499/15
Abstract: A vibration apparatus includes a vibration device. The vibration device includes a vibration portion including a piezoelectric material, a first electrode portion at a first surface of the vibration portion and configured as a plurality of circular patterns, and a second electrode portion at a second surface different from the first surface of the vibration portion and configured as a single electrode, and the vibration device generates an ultrasound wave.
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公开(公告)号：US20230217185A1
公开(公告)日：2023-07-06
申请号：US17980488
申请日：2022-11-03
Applicant: LG Display Co., Ltd.
Inventor： HwaYoul LEE , YongWoo LEE , Yong-Su HAM , Seunghyun SUNG
IPC: H04R17/00
CPC classification number: H04R17/00 , H04R2499/15
Abstract: An apparatus includes a vibration portion, a first protection member covering a first surface of the vibration portion, and a second protection member covering a second surface of the vibration portion, wherein at least one of the first protection member and the second protection member includes a first layer including a metal material or an inorganic material.
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公开(公告)号：US20220208163A1
公开(公告)日：2022-06-30
申请号：US17559977
申请日：2021-12-22
Applicant: LG Display Co., Ltd.
Inventor： Seunghyun SUNG , YongWoo LEE , Uihyeon JEONG
Abstract: A vibration device can include a vibration generator including a vibration portion, in which the vibration portion includes a plurality of inorganic portions having piezoelectric characteristics, the plurality of inorganic portions being spaced apart from each other; and an organic portion disposed between at least two inorganic portions among the plurality of inorganic portions, the organic portion having non-piezoelectric characteristics. The organic portion includes a first organic portion and a second organic portion, the first organic portion being disposed between one of the plurality of inorganic portions and the second organic portion. Further, an elastic modulus of the first organic portion is lower than an elastic modulus of the second organic portion.
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公开(公告)号：US20220174398A1
公开(公告)日：2022-06-02
申请号：US17531003
申请日：2021-11-19
Applicant: LG Display Co., Ltd.
Inventor： Yong-Su HAM , YongWoo LEE , YuSeon KHO
Abstract: A vibration apparatus comprises a lower vibration structure, an upper vibration structure on the lower vibration structure, and an adhesive member between the lower vibration structure and the upper vibration structure. The lower vibration structure and the upper vibration structure are configured to generate sound waves having different frequencies.
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