公开(公告)号：US20240176423A1

公开(公告)日：2024-05-30

申请号：US18381922

申请日：2023-10-19

Applicant: LG Display Co., Ltd.

Inventor： Saewon KANG ,  SeungRyull PARK ,  YuSeon KHO

IPC: G06F3/01 ,  G06F3/041 ,  G06F3/044 ,  H04R1/02 ,  H04R17/00

CPC classification number: G06F3/016 ,  G06F3/0416 ,  G06F3/0443 ,  H04R1/028 ,  H04R17/00 ,  G06F2203/04105 ,  H04R2499/15

Abstract: A display apparatus is provided, and the display apparatus includes a display member having a plurality of pixels configured to display an image, and a vibration apparatus configured to vibrate the display member based on a haptic driving signal. The haptic driving signal includes a texture signal and an ultrasonic signal. Accordingly, the display apparatus can provide a user with a tactile feedback including a virtual texture.

公开(公告)号：US20240073623A1

公开(公告)日：2024-02-29

申请号：US18388092

申请日：2023-11-08

Applicant: LG Display Co., Ltd.

Inventor： YuSeon KHO ,  Sooyoun KIM

IPC: H04R17/00

CPC classification number: H04R17/00 ,  H04R2499/13 ,  H04R2499/15

Abstract: An apparatus includes a vibration member, a housing at a rear surface of the vibration member, a vibration apparatus configured to vibrate the vibration member, and a curvature variable layer between the vibration member and the vibration apparatus, wherein the vibration member includes at least one flat portion and at least one flexural portion adjacent to the at least one flat portion.

公开(公告)号：US20230217833A1

公开(公告)日：2023-07-06

申请号：US17980553

申请日：2022-11-04

Applicant: LG Display Co., Ltd.

Inventor： Sooyoun KIM ,  Yong-Su HAM ,  YongWoo LEE ,  YuSeon KHO ,  Jaeyoung LIM

IPC: H01L41/053

CPC classification number: H01L41/053

Abstract: A vibration apparatus and an apparatus including the same are provided. The vibration apparatus includes a first vibration portion including a first material and a second vibration portion disposed adjacent to the first vibration portion, the second vibration portion including a second material. The apparatus including the vibration apparatus further includes a vibration object; a vibration generating apparatus at the vibration object; and a connection member between the vibration object and the vibration generating apparatus.

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.

公开(公告)号：US20170192508A1

公开(公告)日：2017-07-06

申请号：US15391077

申请日：2016-12-27

Applicant: LG Display Co., Ltd.

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

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

CPC classification number: G06F3/016 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04112

Abstract: Provided are a display device and a method of driving the same. The display device includes: a touch sensitive element having an electroactive layer and a plurality of electrodes disposed on at least one of a top surface and a bottom surface of the electroactive layer; a display panel disposed under the touch sensitive element; and a touch sensor disposed under the touch sensitive element and having a plurality of touch electrodes, and each of the plurality of electrodes of the touch sensitive element overlaps with one touch electrode from among the plurality of touch electrodes in a one to one correspondence.

公开(公告)号：US20230395054A1

公开(公告)日：2023-12-07

申请号：US18451368

申请日：2023-08-17

Applicant: LG Display Co., Ltd.

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

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

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.