公开(公告)号：US20170192595A1

公开(公告)日：2017-07-06

申请号：US15394395

申请日：2016-12-29

Applicant: LG DISPLAY CO., LTD.

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

IPC: G06F3/041

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：US20160185915A1

公开(公告)日：2016-06-30

申请号：US14983140

申请日：2015-12-29

Applicant: LG DISPLAY CO., LTD.

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

IPC: C08G77/24 ,  C09D183/08 ,  C08J5/18 ,  G06F3/041 ,  B32B27/28

CPC classification number: C08G77/24 ,  B32B7/12 ,  B32B27/06 ,  B32B27/08 ,  B32B27/283 ,  B32B2250/05 ,  B32B2255/10 ,  B32B2255/205 ,  B32B2307/20 ,  B32B2307/204 ,  B32B2307/40 ,  B32B2307/516 ,  B32B2307/518 ,  B32B2307/732 ,  B32B2457/20 ,  B32B2457/208 ,  B32B2590/00 ,  B32B2605/00 ,  C08G77/12 ,  C08G77/20 ,  C08G77/38 ,  C08J5/18 ,  C08J2383/08 ,  C08K5/56 ,  C08L83/00 ,  C08L83/08 ,  C09D183/08 ,  G06F3/016 ,  G06F3/041 ,  G06F2203/04102 ,  G06F2203/04103

Abstract: Provided is a touch sensitive device including an electroactive film, a display device including the same, and a method of manufacturing the electroactive film. The touch sensitive device of the present disclosure includes an electroactive film including a siloxane polymer having a fluoro group or a chloro group bonded to a part of the backbone, and the electroactive film has a dielectric constant that is improved by 15% or more by elongation at an elongation rate of 100% or more.

Abstract translation: 提供了一种包括电活性膜的触敏装置，包括其的显示装置和制造电活性膜的方法。 本公开的触敏装置包括电活性膜，其包含具有与基团的一部分键合的氟基或氯基的硅氧烷聚合物，并且电活性膜的介电常数通过伸长率提高15％以上 伸长率为100％以上。

公开(公告)号：US20240260309A1

公开(公告)日：2024-08-01

申请号：US18633501

申请日：2024-04-11

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 film actuator configured to vibrate the display panel. The film actuator may include a plurality of vibration generating devices configured with a composite film. The plurality of vibration generating devices may be configured to have different expansion coefficients from each other.

公开(公告)号：US20240224805A1

公开(公告)日：2024-07-04

申请号：US18389135

申请日：2023-11-13

Applicant: LG Display Co., Ltd.

Inventor： Sooyoun KIM ,  YongWoo LEE ,  HwaYoul LEE ,  Uihyeon JEONG ,  JounHo LEE

IPC: H10N30/50 ,  H10N30/053 ,  H10N30/853

CPC classification number: H10N30/50 ,  H10N30/053 ,  H10N30/8536 ,  H10N30/8542 ,  H10N30/8561

Abstract: Discussed is a piezoelectric device that can include a piezoelectric device layer, a first electrode layer at a first surface of the piezoelectric device layer, and a second electrode layer at a second surface, differing from the first surface, of the piezoelectric device layer, wherein the piezoelectric device layer includes a first vibration portion and a second vibration portion each provided on a same plane to have different characteristics.

公开(公告)号：US20240223962A1

公开(公告)日：2024-07-04

申请号：US18386922

申请日：2023-11-03

Applicant: LG Display Co., Ltd.

Inventor： Uihyeon JEONG ,  YongWoo LEE ,  JounHo LEE ,  Sooyoun KIM ,  HwaYoul LEE

IPC: H04R17/00 ,  H04R1/02 ,  H10N30/87

CPC classification number: H04R17/00 ,  H04R1/028 ,  H10N30/871 ,  H04R2499/15

Abstract: A vibration apparatus includes a conductive substrate, at least one vibration layer at one surface of the conductive substrate, and at least one electrode layer at one surface of the vibration layer. The vibration layer and the electrode layer are alternately arranged in a stack on the surface of the conductive substrate.

公开(公告)号：US20240064472A1

公开(公告)日：2024-02-22

申请号：US18386246

申请日：2023-11-01

Applicant: LG Display Co., Ltd.

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

IPC: H04R17/00 ,  B60Q9/00 ,  H04R1/02

CPC classification number: H04R17/00 ,  B60Q9/00 ,  H04R1/025 ,  H04R2499/13

Abstract: A sound-generating apparatus and a vehicle including the same are provided. A sound-generating apparatus includes: a plurality of first portions at a vibration region including a bendable region and a peripheral portion connected to the bendable region; and a plurality of second portions between the plurality of first portions, wherein two or more second portions at the bendable region among the plurality of second portions have a cross-sectional shape that differs from a cross-sectional shape of another second portion disposed at the peripheral portion among the plurality of second portions.

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

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

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.

公开(公告)号：US20220360907A1

公开(公告)日：2022-11-10

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

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：US20220201400A1

公开(公告)日：2022-06-23

申请号：US17542063

申请日：2021-12-03

Applicant: LG Display Co., Ltd.

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

IPC: H04R17/00 ,  H04R1/02 ,  B60Q9/00

Abstract: A sound-generating apparatus and a vehicle including the same are provided. A sound-generating apparatus includes: a plurality of first portions at each of first to third regions, and a plurality of second portions between the plurality of first portions, at each of the first to third regions, wherein two or more second portions, at any one region, among the first to third regions, have a cross-sectional shape that differs from a cross-sectional shape of a second portion disposed at each of the other regions, among the first to third regions.

公开(公告)号：US20210366456A1

公开(公告)日：2021-11-25

申请号：US17322248

申请日：2021-05-17

Applicant: LG DISPLAY CO., LTD.

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

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

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.