公开(公告)号：US20230217190A1

公开(公告)日：2023-07-06

申请号：US17966539

申请日：2022-10-14

Applicant: LG Display Co., Ltd.

Inventor： Minji KIM ,  SeungRyull PARK ,  Chiwan KIM ,  Yong-Su HAM ,  Uihyeon JEONG

IPC: H04R17/00 ,  B06B1/06 ,  H01L41/083 ,  H01L41/09

CPC classification number: H04R17/005 ,  B06B1/0622 ,  H01L41/083 ,  H01L41/0926

Abstract: A vibration apparatus can include a first cover member; a second cover member; a vibration portion between the first cover member and the second cover member; a contact portion between the first cover member and the vibration portion; and a signal cable. The signal cable can include a first signal line connected to a first surface of the vibration portion via the contact portion, and a second signal line connected to a second surface of the vibration portion opposite to the first surface of the vibration portion.

公开(公告)号：US20250024206A1

公开(公告)日：2025-01-16

申请号：US18754438

申请日：2024-06-26

Applicant: LG Display Co., Ltd.

Inventor： HwaYoul LEE ,  Sooyoun KIM ,  YongWoo LEE ,  Uihyeon JEONG ,  Daesu KIM

IPC: H04R17/00 ,  H04R31/00 ,  H10N30/092 ,  H10N30/85

Abstract: A vibration device according to one or more example aspects of the present disclosure may comprise a first electrode layer, a second electrode layer, and a piezoelectric layer between the first electrode layer and the second electrode layer. The piezoelectric layer may include a plurality of grooves.

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

公开(公告)号：US20230262380A1

公开(公告)日：2023-08-17

申请号：US18304790

申请日：2023-04-21

Applicant: LG Display Co., Ltd.

Inventor： Chiwan KIM ,  YongWoo LEE ,  SeongYong UHM ,  Sungwook KO ,  Uihyeon JEONG

IPC: H04R1/40 ,  H04R1/02 ,  H04R3/12 ,  H04R7/06 ,  H04R17/00

CPC classification number: H04R1/403 ,  H04R1/028 ,  H04R3/12 ,  H04R7/06 ,  H04R17/00 ,  G06F3/016

Abstract: A vibration device enabling a large area and a display apparatus including the vibration device are provided. The vibration device may be configured to include a vibration array including a plurality of vibration modules which are spaced apart from one another by a first interval of less than 3 cm in a first direction.

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.

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

IPC: H04R17/00 ,  H04R1/02 ,  H10N30/87

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.

公开(公告)号：US20230215410A1

公开(公告)日：2023-07-06

申请号：US17965427

申请日：2022-10-13

Applicant: LG Display Co., Ltd.

Inventor： Uihyeon JEONG ,  Chiwan KIM ,  SeungRyull PARK ,  Yong-Su HAM

IPC: G10K9/122 ,  G10K9/22

CPC classification number: G10K9/122 ,  G10K9/22 ,  H04R17/00

Abstract: An apparatus may enhance a sound characteristic and/or a sound pressure level characteristic. An apparatus includes a vibration member, a vibration apparatus under the vibration member, a plurality of vibration portions overlapping one another, and a connection member connecting at least a portion of the plurality of vibration portions to the vibration member.

公开(公告)号：US20230212754A1

公开(公告)日：2023-07-06

申请号：US17989272

申请日：2022-11-17

Applicant: LG Display Co., Ltd.

Inventor： Kyungyeol RYU ,  Uihyeon JEONG ,  Chiwan KIM

IPC: C23C18/16

CPC classification number: C23C18/1632 ,  C23C18/1628

Abstract: A cartridge assembly, a jig, a jig assembly and an apparatus for electroless plating are disclosed. The cartridge includes a first cartridge and a second cartridge. The first cartridge includes a holder disposed at a corner thereof, and the holder is formed to protrude toward the second cartridge. The second cartridge includes an accommodating portion disposed at a corner thereof, and the accommodating portion accommodates at least a portion of the holder.

公开(公告)号：US20210366456A1

公开(公告)日：2021-11-25

申请号：US17322248

申请日：2021-05-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Uihyeon JEONG ,  Chiwan KIM ,  YongWoo LEE ,  Sungwook KO

IPC: G10K9/122 ,  G06F3/16 ,  G06F1/16

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.

公开(公告)号：US20240381035A1

公开(公告)日：2024-11-14

申请号：US18783278

申请日：2024-07-24

Applicant: LG Display Co., Ltd.

Inventor： Sungwook KO ,  Kyungyeol RYU ,  Taehyung KIM ,  MinHo SOHN ,  SeulKi NAM ,  Jeonggoo KANG ,  JunSeok OH ,  SeungRyull PARK ,  Chiwan KIM ,  GyungBo HA ,  Uihyeon JEONG

IPC: H04R17/00 ,  H04R1/28 ,  H10N30/20

Abstract: A vibration apparatus may include a vibration device and an adhesive member at a surface of the vibration device. A modulus of the vibration device may be equal to a modulus of the adhesive member or may be greater than the modulus of the adhesive member.