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公开(公告)号：US12096181B2
公开(公告)日：2024-09-17
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 , H04R2499/15
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：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：US11843913B2
公开(公告)日：2023-12-12
申请号：US17346043
申请日：2021-06-11
Applicant: LG Display Co., Ltd.
Inventor： Chiwan Kim , Kyungyeol Ryu , YuSeon Kho , YongGyoon Jang
CPC classification number: H04R17/00 , G06F3/16 , H04R1/028 , G06F1/1601 , G09G3/2092 , G09G2380/02 , H04R2499/15
Abstract: A display apparatus includes: a display panel configured to be rolled or unrolled, at least one vibration module on a rear surface of the display panel, the at least one vibration module being configured to: be rolled or unrolled with the display panel, and vibrate the display panel, and a partition on the rear surface of the display panel, the partition being spaced apart from and surrounding the at least one vibration module, wherein the at least one vibration module includes: a plurality of first portions having a piezoelectric property, and a plurality of second portions between the plurality of first portions, the plurality of second portions having flexibility.
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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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公开(公告)号：US10972820B2
公开(公告)日：2021-04-06
申请号：US16662690
申请日：2019-10-24
Applicant: LG Display Co., Ltd.
Inventor： Taeheon Kim , Chiwan Kim , Sung-Eui Shin , Yongwoo Lee , Kyungyeol Ryu , YuSeon Kho , YongGyoon Jang
IPC: H04R1/02 , H04R17/00 , H01L41/09 , H01L27/20 , H01L41/053 , H01L41/193
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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Patent Agency Ranking
公开(公告)号：US10762320B2
公开(公告)日：2020-09-01
申请号：US16108849
申请日：2018-08-22
Applicant: LG Display Co., Ltd.
Inventor： YuSeon Kho , Chiwan Kim , Taeheon Kim , Sung-Eui Shin , YongWoo Lee , Kyungyeol Ryu
Abstract: A piezoelectric panel speaker and an electronic apparatus including the same are disclosed. The piezoelectric panel speaker may include a piezoelectric panel including at least one hole and configured to vibrate, and a fingerprint sensor accommodated into the one hole and configured to sense biometric information.
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公开(公告)号：US20190028669A1
公开(公告)日：2019-01-24
申请号：US15971077
申请日：2018-05-04
Applicant: LG Display Co., Ltd.
Inventor： Sung-Eui Shin , Chiwan Kim , Taeheon Kim , YongWoo Lee , Kyungyeol Ryu , YuSeon Kho
IPC: H04N5/64 , H01L51/52 , G02F1/1333 , H04R1/02 , H04R17/00
CPC classification number: H04N5/642 , G02F1/133308 , G02F2001/133314 , H01L51/524 , H04R1/025 , H04R17/00 , H04R2499/15
Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.
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公开(公告)号：US20240179476A1
公开(公告)日：2024-05-30
申请号：US18493181
申请日：2023-10-24
Applicant: LG Display Co., Ltd.
Inventor： Wansoo Lee , YoungWook Ha , Chiwan Kim
CPC classification number: H04R17/10 , G08B6/00 , H04R1/028 , H04R3/00 , H04R2400/03 , H04R2499/15
Abstract: An apparatus can include a display member configured to display an image and a vibration apparatus disposed at a rear surface of the display member. Also, the vibration apparatus is configured to vibrate the display member using a driving signal based on a driving mode, and vibrate the display member using a vibration signal based on a vibration mode.
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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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