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公开(公告)号：US20180150169A1
公开(公告)日：2018-05-31
申请号：US15824646
申请日：2017-11-28
Applicant: LG DISPLAY CO., LTD.
Inventor： Kyungyeol RYU , Yong-Su HAM , Taeheon KIM , YongWoo LEE , YuSeon KHO , MyungJin LIM , Seulgi CHOI
CPC classification number: G06F3/0412 , C08F20/38 , C08F2220/382 , C09D127/16 , H01L41/1132 , H01L41/18 , H01L41/193 , C08L33/14
Abstract: The present disclosure relates to a touch sensitive element and a display device including the same. According to an exemplary embodiment of the present disclosure, the touch sensitive element includes an electroactive film which is formed of a fluorine based terpolymer and a polymer represented by Chemical Formula 1, wherein R is an ethyl group or a methyl group, and n is an integer of 1 or larger.
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公开(公告)号：US20250048033A1
公开(公告)日：2025-02-06
申请号：US18778290
申请日：2024-07-19
Applicant: LG Display Co., Ltd.
Inventor： Kyungyeol RYU
Abstract: An apparatus includes a vibration member, and a vibration apparatus configured to vibrate the vibration member. The vibration member includes an inner member and an outer member surrounding the inner member.
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公开(公告)号：US20210400396A1
公开(公告)日：2021-12-23
申请号：US17464660
申请日：2021-09-01
Applicant: LG Display Co., Ltd.
Inventor： YongGyoon JANG , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YuSeon KHO
Abstract: A display apparatus includes a display panel including configured to display an image and a sound generating device on a rear surface of the display panel, the sound generating device being configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a second structure over or under the first structure, the second structure including a first part having a piezoelectric characteristic and a second part between adjacent first parts to have flexibility.
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公开(公告)号：US20210400394A1
公开(公告)日：2021-12-23
申请号：US17463546
申请日：2021-08-31
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , Kyungyeol RYU , YuSeon KHO , YongGyoon JANG
Abstract: A display apparatus includes: a display panel configured to display an image, and at least one vibration module on a rear surface of the display panel, the at least one vibration module including a piezoelectric composite layer including a plurality of sub-modules configured to vibrate the display panel, each of the plurality of sub-modules including: a plurality of first portions including a piezoelectric characteristic, and a plurality of second portions having flexibility, each of the plurality of second portions being between a respective pair of the plurality first portions, wherein the plurality of first portions in the respective sub-modules are arranged in a same direction or are partially arranged in different directions.
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公开(公告)号：US20200314557A1
公开(公告)日：2020-10-01
申请号：US16447353
申请日：2019-06-20
Applicant: LG Display Co., Ltd.
Inventor： Kyungyeol RYU , Chiwan KIM , YuSeon KHO , YongGyoon JANG
IPC: H04R17/00 , H01L41/047 , H01L41/08 , H01L41/09 , H01L41/37 , H01L41/083 , H04R7/02 , B06B1/06
Abstract: A display apparatus includes a display module having a display panel configured to display an image, a sound generation module disposed at the display module and configured to vibrate the display module to generate sound, a first cover configured to cover a first periphery portion of the display module, and a plurality of ultrasonic generation modules disposed between the first periphery portion of the display module and the first cover. The first cover includes a plurality of first holes overlapping with the plurality of ultrasonic generation modules.
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Patent Agency Ranking
公开(公告)号：US20190163314A1
公开(公告)日：2019-05-30
申请号：US16201793
申请日：2018-11-27
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , Taeheon KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YuSeon KHO
Abstract: A touch panel includes a plurality of first electrodes which extends in a first direction. The touch panel further includes an electroactive layer which is disposed on the plurality of first electrodes and is formed of an electroactive material. The touch panel further includes a plurality of second electrodes which is disposed on the electroactive layer and extends in a second direction which is different from the first direction. The touch panel further includes an insulating layer which is disposed to cover the electroactive layer and the plurality of second electrodes. The touch panel further includes a plurality of third electrodes which is disposed on the insulating layer and extends in the second direction.
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公开(公告)号：US20190014420A1
公开(公告)日：2019-01-10
申请号：US16029209
申请日：2018-07-06
Applicant: LG DISPLAY CO., LTD.
Inventor： Taeheon KIM , Chiwan KIM , Sung-Eui SHIN , YongWoo LEE , Kyungyeol RYU , YuSeon KHO
Abstract: Discussed are a film speaker and a display device. The film speaker includes an electroactive layer including a first surface and a second surface opposite to the first surface, and further including a plurality of concave portions; and a first electrode and a second electrode disposed on at least one of the first surface and the second surface. Therefore, the sound generated in the film speaker may be further amplified and the sound pressure level may be improved.
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公开(公告)号：US20180120941A1
公开(公告)日：2018-05-03
申请号：US15798151
申请日：2017-10-30
Applicant: LG Display Co., Ltd.
Inventor： Seulgi CHOI , Yong-Su HAM , Taeheon KIM , YongWoo LEE , Kyungyeol RYU , YuSeon KHO , MyungJin LIM
IPC: G06F3/01 , G02F1/1333 , G02F1/1341 , G06F3/041 , G06F3/044
CPC classification number: G06F3/016 , G02F1/133365 , G02F1/13338 , G02F2201/503 , G06F3/041 , G06F3/0412 , G06F3/044 , G06F2203/04103 , G06F2203/04112
Abstract: Provided are a touch sensitive element and a display device including the same. According to the exemplary embodiment of the present disclosure, a touch sensitive element, includes: an electroactive layer which is formed of electroactive polymer (EAP); an electrode which is disposed on at least one surface of the electroactive layer; and a hard coating layer which is disposed on the electroactive layer and the electrode and has a negative coefficient of thermal expansion (CTE). Therefore, vibration effect in a vertical direction is maximized and impact resistance may be improved.
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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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