公开(公告)号：US20230199357A1

公开(公告)日：2023-06-22

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

CPC classification number: H04R1/028 ,  G06F3/016 ,  G08B6/00 ,  H01L25/167 ,  H10K50/8426 ,  H10N30/20 ,  H10N30/1051 ,  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：US20230158546A1

公开(公告)日：2023-05-25

申请号：US17975760

申请日：2022-10-28

Applicant: LG Display Co., Ltd.

Inventor： Seunghyun SUNG ,  YongWoo LEE

IPC: B06B1/06 ,  H01L41/047 ,  H04R17/10 ,  H01L41/09 ,  H01L41/083

CPC classification number: B06B1/0629 ,  H01L41/0474 ,  H04R17/10 ,  H01L41/0913 ,  H01L41/083 ,  H04R2499/15

Abstract: An apparatus may include a vibration member and a vibration device configured to vibrate the vibration member. The vibration device may be configured to comprise a first vibration portion and a second vibration portion which is different from the first vibration portion.

公开(公告)号：US20220406989A1

公开(公告)日：2022-12-22

申请号：US17893881

申请日：2022-08-23

Applicant: LG Display Co., Ltd. ,  Korea University Research and Business Foundation

Inventor： Taeheon KIM ,  Sahn Nahm ,  YongGyoon JANG ,  Jonghyun KIM ,  Ku-Tak LEE ,  Chiwan KIM ,  Sung-Eui SHIN ,  YongWoo LEE ,  Seok-June Chae

IPC: H01L41/187 ,  G06F3/041 ,  G10K9/122 ,  G06F1/16 ,  G06F3/01

Abstract: A piezoelectric element comprising a compound represented by Formula 1, a piezoelectric device including the piezoelectric element, a vibration module including the piezoelectric device, and a display apparatus including the piezoelectric device are provided, where (1−x)(LizNa0.5-zK0.5)(Nb1-ySby)O3·xCaZrO3  [Formula 1] where x, y, and z have a range of 0.001≤x≤0.2, a range of 0≤y≤0.5, and a range of 0≤z≤0.2, respectively.

公开(公告)号：US20210337292A1

公开(公告)日：2021-10-28

申请号：US17370954

申请日：2021-07-08

Applicant: LG Display Co., Ltd.

Inventor： YongGyoon JANG ,  Yong-Su HAM ,  YongWoo LEE ,  Kyungyeol RYU

IPC: H04R1/02 ,  G06F3/01 ,  G08B6/00 ,  H01L51/52 ,  H01L41/08 ,  H01L41/09 ,  H01L25/16

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：US20210304920A1

公开(公告)日：2021-09-30

申请号：US17217440

申请日：2021-03-30

Applicant: LG Display Co., Ltd.

Inventor： Sungwook KO ,  Chiwan KIM ,  YongWoo LEE ,  Uihyeon JEONG

IPC: H01B7/04 ,  H01L41/083 ,  H01L41/09 ,  H01L41/047

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.

公开(公告)号：US20210174046A1

公开(公告)日：2021-06-10

申请号：US17115286

申请日：2020-12-08

Applicant: LG Display Co., Ltd.

Inventor： YuSeon KHO ,  Yong-Su HAM ,  YongWoo LEE

IPC: G06K9/00 ,  G06F3/01 ,  G06F3/16

Abstract: A composite piezoelectric element and an electronic device having the same are disclosed, in which the composite piezoelectric element includes insulating films and piezoelectric bodies, which are alternately arranged, wherein the piezoelectric bodies may be categorized into general piezoelectric bodies used as at least one of a haptic actuator, a speaker actuator and a receiver actuator, and a finger scan recognition piezoelectric body for finger scan recognition.

公开(公告)号：US20210160622A1

公开(公告)日：2021-05-27

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.

公开(公告)号：US20200154185A1

公开(公告)日：2020-05-14

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 ,  H01L41/193 ,  H01L27/20 ,  H01L41/053

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.

公开(公告)号：US20190250763A1

公开(公告)日：2019-08-15

申请号：US16396212

申请日：2019-04-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Seulgi CHOI ,  Yong-Su HAM ,  Taeheon KIM ,  YongWoo LEE ,  YuSeon KHO ,  MyungJin LIM

IPC: G06F3/041 ,  H01L41/047 ,  G06F3/01 ,  H01L41/09 ,  H01L41/253 ,  H01L41/193 ,  H01L41/113 ,  H01L41/45

CPC classification number: G06F3/0416 ,  C08J9/26 ,  C08J2201/0464 ,  C08J2353/00 ,  G06F3/016 ,  G06F3/041 ,  G06F2203/04103 ,  H01L41/0477 ,  H01L41/09 ,  H01L41/1132 ,  H01L41/193 ,  H01L41/253 ,  H01L41/45

Abstract: Provided are a contact sensitive device, a display apparatus including the same, and a method of manufacturing the same. The contact sensitive device includes an electroactive layer formed of an electroactive polymer having a plurality of nano pores and an electrode disposed on at least one surface of the electroactive layer. The electroactive layer has a β-phase structure and improved piezoelectricity without performing a stretching process or a polling process.

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

IPC: G06F3/041 ,  H01L41/18

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.