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公开(公告)号：US12155995B2
公开(公告)日：2024-11-26
申请号：US18381152
申请日：2023-10-17
Applicant: LG Display Co., Ltd.
Inventor： Sungwook Ko , Minji Kim , SeungRyull Park
Abstract: A disclosed vibration device comprises a first vibration generator and a first connection member disposed on a first surface of the first vibration generator. The first vibration generator may comprise a first vibration part including a plurality of inorganic material portions having a piezoelectric characteristic and an organic material portion between the plurality of inorganic material portions.
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公开(公告)号：US11678124B2
公开(公告)日：2023-06-13
申请号：US17532487
申请日：2021-11-22
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 and to generate sound via the display panel, and an adhesive member and a connection member between the display panel and the vibration apparatus.
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公开(公告)号：US11910158B2
公开(公告)日：2024-02-20
申请号：US17555091
申请日：2021-12-17
Applicant: LG Display Co., Ltd.
Inventor： YoungWook Ha , SeungRyull Park , Chiwan Kim , Sungwook Ko
CPC classification number: H04R17/00 , H10N30/852 , H10N30/877 , H10N30/883 , H04R2499/13 , H04R2499/15
Abstract: A vibration device can include a vibration portion; a first electrode portion disposed on a first surface of the vibration portion; and a second electrode portion disposed on a second surface of the vibration portion, in which each of the first and second electrode portions include at least one of a conductive metal particle and a carbon particle.
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公开(公告)号：US11722825B2
公开(公告)日：2023-08-08
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
CPC classification number: H04R17/00 , G08B6/00 , H04R1/028 , H04R1/288 , H04R1/403 , H04R3/12 , 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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5.发明授权公开(公告)号：US10418147B2
公开(公告)日：2019-09-17
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: H01B1/24 , C09D5/24 , C09D133/02 , C09D7/00 , G02F1/1333 , G02F1/1335 , G06F3/041 , H01B1/04 , G06F3/044 , C08K3/04 , C09D7/20 , C09D7/40 , C09D7/61 , C09D7/63 , C08K5/05 , C08K5/54
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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Patent Agency Ranking
公开(公告)号：US11984241B2
公开(公告)日：2024-05-14
申请号：US17217440
申请日：2021-03-30
Applicant: LG Display Co., Ltd.
Inventor： Sungwook Ko , Chiwan Kim , YongWoo Lee , Uihyeon Jeong
CPC classification number: H01B7/04 , H10N30/20 , H10N30/50 , H10N30/871 , H04R17/00
Abstract: A flexible cable may include a base member including a terminal portion, a conductor layer including a plurality of conductive lines disposed on the base member, and a protection layer disposed on the base member to cover at least prat of the conductor layer and to expose a portion of each of the plurality of conductive lines at the terminal portion. A length of each of the plurality of conductive lines may be longer than a length of the base member. A vibration device may include a vibration structure including a vibration layer, a first electrode layer disposed on a first surface of the vibration layer, and a second electrode layer disposed on a second surface of the vibration layer and a flexible cable electrically connected to the first electrode layer and to the second electrode layer of the vibration structure.
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公开(公告)号：US11804203B2
公开(公告)日：2023-10-31
申请号：US17322248
申请日：2021-05-17
Applicant: LG DISPLAY CO., LTD.
Inventor： Uihyeon Jeong , Chiwan Kim , Yongwoo Lee , Sungwook Ko
CPC classification number: G10K9/122 , G06F1/1605 , G06F3/16
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.
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8.发明授权公开(公告)号：US10705261B2
公开(公告)日：2020-07-07
申请号：US15394328
申请日：2016-12-29
Applicant: LG DISPLAY CO., LTD. , NANO Solution CO., LTD
Inventor： Junsik Hwang , Kwihong Park , Yonggyoon Jang , Sungwook Ko , Hyungyul Kim , Hojun Moon
IPC: G02B1/16 , C08K3/04 , C09D7/61 , C09D5/24 , G02F1/1333 , G02F1/1335 , B82Y30/00
Abstract: Provided is a display device having an antistatic film comprising a conductive coating liquid composition. The conductive coating liquid composition comprises 10 to 100 parts by weight of a silane sol based on 100 parts by weight of a carbon nanotube dispersion liquid composition, and the silane sol comprises 0.01 to 10 wt % of an acid catalyst with a pH of 3.0 to 6.0 based on the total weight of the silane sol.
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公开(公告)号：US11669126B2
公开(公告)日：2023-06-06
申请号：US17131389
申请日：2020-12-22
Applicant: LG Display Co., Ltd.
Inventor： Sungwook Ko , YongWoo Lee , Chiwan Kim , Taeheon Kim , Sung-Eui Shin
CPC classification number: G06F1/1605 , G06F3/16 , G09F9/301 , G10K9/122 , G06F1/1652
Abstract: The present disclosure relates to a flexible vibration film and a display apparatus having the same. A flexible vibration film includes: a vibration layer; a first electrode layer disposed on a bottom surface of the vibration layer; and a second electrode layer disposed on a top surface of the vibration layer, wherein the vibration layer includes: a first vibration unit having a first vibration characteristics; a second vibration unit having a second vibration characteristics; and a flexible insulating part disposed between the first vibration unit and the second vibration unit, and wherein the first electrode layer includes: a first part corresponding to the first vibration unit; and a second part corresponding to the second vibration unit.
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公开(公告)号：US11412331B2
公开(公告)日：2022-08-09
申请号：US17169056
申请日：2021-02-05
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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