公开(公告)号：US12094445B2

公开(公告)日：2024-09-17

申请号：US18451368

申请日：2023-08-17

Applicant: LG Display Co., Ltd.

Inventor： Yuseon Kho ,  Yong-Su Ham ,  YongWoo Lee

IPC: G06F3/16 ,  G06F1/16 ,  G06V40/12 ,  G10K9/122

CPC classification number: G10K9/122 ,  G06F1/1605 ,  G06F3/16

Abstract: A display apparatus includes a display panel displaying an image and a vibration generating device disposed on a rear surface of the display panel to vibrate the display panel. The vibration generating device includes a piezoelectric structure including a first region and a second region, the first region has a vibration characteristic of a first frequency, and the second region has a vibration characteristic of a second frequency which differs from the first frequency.

公开(公告)号：US12004373B2

公开(公告)日：2024-06-04

申请号：US17111980

申请日：2020-12-04

Applicant: LG Display Co., Ltd.

Inventor： YuSeon Kho ,  Yong-Su Ham ,  YongWoo Lee

IPC: H10K59/00 ,  G06F3/01 ,  H10K50/842 ,  H10N30/20

CPC classification number: H10K59/00 ,  G06F3/016 ,  H10K50/8426 ,  H10N30/204

Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices configured to vibrate the display panel. Each of the plurality of vibration generating devices includes a plurality of first portions having a piezoelectric characteristic and a plurality of second portions disposed near the plurality of first portions to have an expansion coefficient, and the plurality of vibration generating devices have different expansion coefficients.

公开(公告)号：US11747905B2

公开(公告)日：2023-09-05

申请号：US17108597

申请日：2020-12-01

Applicant: LG Display Co., Ltd.

Inventor： Yong-Su Ham

IPC: H04R1/02 ,  H04R17/00 ,  G06F3/041 ,  G06F3/01

CPC classification number: G06F3/016 ,  H04R1/028 ,  H04R17/00 ,  G06F3/041 ,  H04R2400/03 ,  H04R2499/15

Abstract: A display apparatus includes a display panel configured to display an image and a vibration generating device configured to vibrate the display panel. The vibration generating device includes a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions disposed between the plurality of first portions to have flexibility.

公开(公告)号：US10963664B2

公开(公告)日：2021-03-30

申请号：US16900523

申请日：2020-06-12

Applicant: LG Display Co., Ltd.

Inventor： Chi-Wan Kim ,  Yong-Su Ham ,  Yong-Woo Lee ,  Kyung-Yeol Ryu ,  Yu-Seon Kho

IPC: G06K9/00 ,  G06F21/32

Abstract: A sensor panel includes a substrate; a sensing part on the substrate and including a plurality of sensors; and a partition wall between adjacent sensors, wherein each sensor includes a first sensor electrode, a piezoelectric layer and a second sensor electrode, and wherein the partition wall has a lower dielectric constant than the piezoelectric layer.

公开(公告)号：US10959025B2

公开(公告)日：2021-03-23

申请号：US16443090

申请日：2019-06-17

Applicant: LG Display Co., Ltd.

Inventor： YongWoo Lee ,  Yong-Su Ham ,  Taeheon Kim ,  Sung-Eui Shin

IPC: H04R17/00 ,  H01L41/08 ,  H01L41/083 ,  H01L41/09 ,  H01L41/047 ,  H01L41/37

Abstract: A flexible vibration module is disclosed. The flexible vibration module includes a piezoelectric composite layer, including: a plurality of piezoelectric portions each having a piezoelectric characteristic, where at least two of the plurality of piezoelectric portions have different sizes; and a flexible portion between the plurality of piezoelectric portions.

公开(公告)号：US09990099B2

公开(公告)日：2018-06-05

申请号：US15392465

申请日：2016-12-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Yong-Su Ham ,  Taeheon Kim ,  YongWoo Lee ,  YuSeon Kho ,  MyungJin Lim ,  Seulgi Choi

IPC: G06F3/044 ,  G06F3/041 ,  G06F3/01 ,  H04M1/02

CPC classification number: G06F3/044 ,  G06F3/016 ,  G06F3/041 ,  G06F3/0412 ,  H04M1/0266

Abstract: Provided is a display device. The display device includes: a touch sensitive element including an electroactive layer and a plurality of electrodes disposed on at least one of the top surface and the bottom surface of the electroactive layer; a shielding layer on the touch sensitive element; a display panel on the shielding layer; and a touch sensor integrated in the display panel and including a plurality of first touch electrodes and a plurality of second touch electrodes spaced apart from the plurality of first touch electrodes, and the shielding layer is electrically connected with the plurality of first touch electrodes or the plurality of second touch electrodes.

公开(公告)号：US11910143B2

公开(公告)日：2024-02-20

申请号：US18105198

申请日：2023-02-02

Applicant: LG Display Co., Ltd.

Inventor： YongGyoon Jang ,  Yong-Su Ham ,  YongWoo Lee ,  Kyungyeol Ryu

IPC: H10N30/20 ,  H10N30/00 ,  H10K50/842 ,  G06F3/01 ,  G08B6/00 ,  H01L25/16 ,  H04R1/02

CPC classification number: H04R1/028 ,  G06F3/016 ,  G08B6/00 ,  H01L25/167 ,  H10K50/8426 ,  H10N30/1051 ,  H10N30/20 ,  H04R2400/03 ,  H04R2499/15

Abstract: Display panel and display apparatus including the same. A display panel includes a first substrate including a display portion configured to display an image, a second substrate attached to the first substrate by an adhesive member, and a vibration generating module within the adhesive member to overlap the display portion. The vibration generating module is surrounded by the second substrate and the adhesive member.

公开(公告)号：US11882398B2

公开(公告)日：2024-01-23

申请号：US17531003

申请日：2021-11-19

Applicant: LG Display Co., Ltd.

Inventor： Yong-Su Ham ,  YongWoo Lee ,  YuSeon Kho

IPC: H04R3/00 ,  H04R1/28 ,  H04R17/00 ,  H04R1/32

CPC classification number: H04R1/2811 ,  H04R3/00 ,  H04R17/005 ,  H04R1/323 ,  H04R2499/13 ,  H04R2499/15

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.

公开(公告)号：US11776519B2

公开(公告)日：2023-10-03

申请号：US17218620

申请日：2021-03-31

Applicant: LG Display Co., Ltd.

Inventor： YuSeon Kho ,  Yong-Su Ham ,  YongWoo Lee

IPC: G06F3/16 ,  G06V40/12 ,  G10K9/122 ,  G06F1/16

CPC classification number: G10K9/122 ,  G06F1/1605 ,  G06F3/16

Abstract: A display apparatus includes a display panel displaying an image and a vibration generating device disposed on a rear surface of the display panel to vibrate the display panel. The vibration generating device includes a piezoelectric structure including a first region and a second region, the first region has a vibration characteristic of a first frequency, and the second region has a vibration characteristic of a second frequency which differs from the first frequency.

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

IPC: H04R17/00 ,  H04R1/02 ,  H04R1/28 ,  H04R3/12 ,  G08B6/00 ,  H04R1/40

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.