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公开(公告)号：US20250008257A1
公开(公告)日：2025-01-02
申请号：US18754825
申请日：2024-06-26
Applicant: LG DISPLAY CO., LTD.
Inventor： Sungwook KO , MinGyu KANG
Abstract: A vibration apparatus includes a vibration generating part. The vibration generating part includes a plurality of vibration parts each including a first surface including a first pattern portion and a second surface including a third pattern portion, the plurality of vibration parts being stacked on each other, a first connection member electrically connected to the first pattern portion of each of the plurality of vibration parts, and a second connection member electrically connected to the third pattern portion of each of the plurality of vibration parts.
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公开(公告)号：US20240260475A1
公开(公告)日：2024-08-01
申请号：US18523351
申请日：2023-11-29
Applicant: LG Display Co., Ltd.
Inventor： YuSeon KHO , Wansoo LEE , Chiwan KIM , Sung-Eui SHIN , Minji KIM , Sungwook KO , Saewon KANG
IPC: H10N30/20 , H10N30/03 , H10N30/071 , H10N30/098 , H10N30/87
CPC classification number: H10N30/20 , H10N30/03 , H10N30/071 , H10N30/098 , H10N30/875
Abstract: Aspects of the present disclosure is directed to a vibration apparatus and an apparatus including the same, having directivity. In one example, a vibration apparatus includes a vibration part; a first electrode at a first surface of the vibration part; and a second electrode at a second surface different from the first surface of the vibration part, wherein the vibration part includes a piezoelectric portion and a supporting portion connected to the piezoelectric portion, and wherein a height of the supporting portion differs from a height of the piezoelectric portion.
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公开(公告)号：US20240165667A1
公开(公告)日：2024-05-23
申请号：US18139812
申请日：2023-04-26
Applicant: LG Display Co., Ltd.
Inventor： MinGyu KANG , Kyungyeol RYU , Sungwook KO , Dasol PARK
CPC classification number: B06B1/064 , B06B1/0207 , B06B2201/55
Abstract: A vibration apparatus may include a vibration generating part including at least one or more vibration parts. The vibration apparatus may further include a first cover member at a first surface of the vibration generating part, a second cover member at a second surface of the vibration generating part, and a signal cable including first and second signal lines connected to the at least one or more vibration parts. The second surface of the vibration generating part is different from the first surface of the vibration generating part. The first and second signal lines may be provided between the second cover member and the vibration generating part.
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公开(公告)号：US20230336922A1
公开(公告)日：2023-10-19
申请号：US18213648
申请日：2023-06-23
Applicant: LG Display Co., Ltd.
Inventor： YongWoo LEE , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG , Yong-Su HAM , Sungwook KO
CPC classification number: H04R17/00 , H04R1/028 , H04R1/288 , H04R3/12 , G08B6/00 , H04R1/403 , H04R2499/15
Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.
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Patent Agency Ranking
公开(公告)号：US20230269542A1
公开(公告)日：2023-08-24
申请号：US18141791
申请日：2023-05-01
Applicant: LG Display Co., Ltd.
Inventor： Minji KIM , Sungwook KO , Seunghyun SUNG , SeungRyull PARK , YoungWook HA
CPC classification number: H04R17/00 , H04R1/028 , H04R2499/15
Abstract: Discussed is an apparatus including a display panel configured to display an image, a vibration apparatus disposed at a rear surface of the display panel to vibrate the display panel to generate sound, and an adhesive member and a connection member between the display panel and the vibration apparatus. The vibration apparatus can include a vibration portion, a first protection member disposed at a first surface of the vibration portion, and a second protection member disposed at a second surface of the vibration portion, the second surface of the vibration portion being different from the first surface of the vibration portion. The connection member can cover a front surface of the first protection member adjacent to the adhesive member.
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公开(公告)号：US20220360907A1
公开(公告)日：2022-11-10
申请号：US17871842
申请日：2022-07-22
Applicant: LG Display Co., Ltd.
Inventor： YongWoo LEE , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG , Yong-Su HAM , Sungwook KO
Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.
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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
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：US20200213768A1
公开(公告)日：2020-07-02
申请号：US16722713
申请日：2019-12-20
Applicant: LG Display Co., Ltd.
Inventor： YongWoo LEE , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG , Yong-Su HAM , Sungwook KO
Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.
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29.发明申请公开(公告)号：US20170190922A1
公开(公告)日：2017-07-06
申请号：US15394187
申请日：2016-12-29
Applicant: LG DISPLAY CO., LTD. , NANO SOLUTION CO., LTD.
Inventor： Sungwook KO , Junsik HWANG , Kwihong PARK , Hyungyul KIM , Hojun MOON
IPC: C09D5/24 , C09D133/02 , G02F1/1335 , G06F3/041 , G06F3/044 , G02F1/1333 , C09D7/12 , C09D7/00
CPC classification number: H01B1/24 , C08K3/04 , C08K3/041 , C08K5/05 , C08K5/54 , C08K2201/001 , C09D5/24 , C09D7/20 , C09D7/40 , C09D7/61 , C09D7/63 , C09D133/02 , G02F1/13338 , G02F1/133528 , G02F2201/50 , G02F2201/503 , G02F2202/22 , G02F2202/36 , G06F3/0412 , G06F3/0416 , G06F3/0418 , G06F3/044 , G06F2203/04103 , G06F2203/04107 , H01B1/04
Abstract: Provided is a display device having an antistatic film made of a conductive coating liquid composition. The conductive coating liquid composition includes 10 to 100 parts by weight of a silane sol based on 100 parts by weight of a carbon nanotube dispersion liquid composition, and 0.1 to 5 wt % of a polar solvent based on 100 wt % of the conductive coating liquid composition.
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