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11.发明申请公开(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.
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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
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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公开(公告)号：US20240196135A1
公开(公告)日：2024-06-13
申请号：US18411775
申请日：2024-01-12
Applicant: LG Display Co., Ltd.
Inventor： YoungWook HA , SeungRyull PARK , Chiwan KIM , Sungwook KO
CPC classification number: H04R17/00 , H10N30/852 , H10N30/877 , H10N30/883 , H04R2499/13 , H04R2499/15
Abstract: A vibration device can include a vibration portion, a first electrode portion disposed on a first surface of the vibration portion, and a second electrode portion disposed on a second surface of the vibration portion. Also, each of the first electrode portion and the second electrode portion includes a conductive metal particle and a piezoelectric nanoparticle.
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公开(公告)号：US20230266790A1
公开(公告)日：2023-08-24
申请号：US18309717
申请日：2023-04-28
Applicant: LG Display Co., Ltd.
Inventor： Sungwook KO , YongWoo LEE , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN
CPC classification number: G06F1/1605 , G09F9/301 , G10K9/122 , G06F3/16 , G06F1/1652
Abstract: The present disclosure relates to a flexible vibration film and a display apparatus having the same. A flexible vibration film includes: a vibration layer; a first electrode layer disposed on a bottom surface of the vibration layer; and a second electrode layer disposed on a top surface of the vibration layer, wherein the vibration layer includes: a first vibration unit having a first vibration characteristics; a second vibration unit having a second vibration characteristics; and a flexible insulating part disposed between the first vibration unit and the second vibration unit, and wherein the first electrode layer includes: a first part corresponding to the first vibration unit; and a second part corresponding to the second vibration unit.
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公开(公告)号：US20230262380A1
公开(公告)日：2023-08-17
申请号：US18304790
申请日：2023-04-21
Applicant: LG Display Co., Ltd.
Inventor： Chiwan KIM , YongWoo LEE , SeongYong UHM , Sungwook KO , Uihyeon JEONG
Abstract: A vibration device enabling a large area and a display apparatus including the vibration device are provided. The vibration device may be configured to include a vibration array including a plurality of vibration modules which are spaced apart from one another by a first interval of less than 3 cm in a first direction.
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Patent Agency Ranking
公开(公告)号：US20220210577A1
公开(公告)日：2022-06-30
申请号：US17555091
申请日：2021-12-17
Applicant: LG Display Co., Ltd.
Inventor： YoungWook HA , SeungRyull PARK , Chiwan KIM , Sungwook KO
IPC: H04R17/00 , H01L41/047 , H01L41/053 , H01L41/18
Abstract: A vibration device can include a vibration portion; a first electrode portion disposed on a first surface of the vibration portion; and a second electrode portion disposed on a second surface of the vibration portion, in which each of the first and second electrode portions include at least one of a conductive metal particle and a carbon particle.
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公开(公告)号：US20220201401A1
公开(公告)日：2022-06-23
申请号：US17554712
申请日：2021-12-17
Applicant: LG Display Co., Ltd.
Inventor： Sungwook KO , Minji KIM , SeungRyull PARK
Abstract: A disclosed vibration device comprises a first vibration generator and a first connection member disposed on a first surface of the first vibration generator. The first vibration generator may comprise a first vibration part including a plurality of inorganic material portions having a piezoelectric characteristic and an organic material portion between the plurality of inorganic material portions.
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公开(公告)号：US20210200265A1
公开(公告)日：2021-07-01
申请号：US17131389
申请日：2020-12-22
Applicant: LG Display Co., Ltd.
Inventor： Sungwook KO , YongWoo LEE , Chiwan KIM , Taeheon KIM , Sung-Eui SHIN
Abstract: The present disclosure relates to a flexible vibration film and a display apparatus having the same. A flexible vibration film includes: a vibration layer; a first electrode layer disposed on a bottom surface of the vibration layer; and a second electrode layer disposed on a top surface of the vibration layer, wherein the vibration layer includes: a first vibration unit having a first vibration characteristics; a second vibration unit having a second vibration characteristics; and a flexible insulating part disposed between the first vibration unit and the second vibration unit, and wherein the first electrode layer includes: a first part corresponding to the first vibration unit; and a second part corresponding to the second vibration unit.
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19.发明申请公开(公告)号：US20170192134A1
公开(公告)日：2017-07-06
申请号：US15394328
申请日：2016-12-29
Applicant: LG DISPLAY CO., LTD. , NANO Solution CO., LTD
Inventor： Junsik HWANG , Kwihong PARK , Yonggyoon JANG , Sungwook KO , Hyungyul KIM , Hojun MOON
IPC: G02B1/16 , G02F1/1335 , G02F1/1333 , C09D5/24
Abstract: Provided is a display device having an antistatic film comprising a conductive coating liquid composition. The conductive coating liquid composition comprises 10 to 100 parts by weight of a silane sol based on 100 parts by weight of a carbon nanotube dispersion liquid composition, and the silane sol comprises 0.01 to 10 wt % of an acid catalyst with a pH of 3.0 to 6.0 based on the total weight of the silane sol.
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公开(公告)号：US20250081854A1
公开(公告)日：2025-03-06
申请号：US18807701
申请日：2024-08-16
Inventor： Sungwook KO , SeungRyull PARK , Sahn NAHM , Jungsoo KIM , Geun-Soo LEE , Eunji KIM
IPC: H10N30/853 , C04B35/468 , C04B35/64 , H10N30/092 , H10N30/097
Abstract: A piezoelectric material composition may be represented by Equation 1. A piezoelectric device may include a piezoelectric device layer including the piezoelectric material composition represented by Equation 1, a first electrode disposed at a first surface of the piezoelectric device layer, and a second electrode disposed at a second surface different from the first surface of the piezoelectric device layer. a PbZrO 3 - b PbTiO 3 - ( 1 - a - b ) Pb ( Ni c Nb 1 - c ) O 3 + x mol % A + y vol % BaTiO 3 [ Equation 1 ] where A is Fe2O3, Co2O3, Mn2O3, ZnO, GeO2, CuO, or NiO, and 0.15≤a≤0.24, 0.29≤b≤0.38, 0.30≤c≤0.35, 0.00≤x≤3.00, and 0.00≤y≤7.00.
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