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公开(公告)号：US12200459B2
公开(公告)日：2025-01-14
申请号：US17767365
申请日：2019-12-25
Applicant: Goertek Inc.
Inventor： Shuqiang Wang , Fengguang Ling , Chun Li , Chunfa Liu
Abstract: The present disclosure provides a vibrating diaphragm of a sound-producing apparatus and the sound-producing apparatus. The vibrating diaphragm includes a fluorosilicone rubber film layer, and the fluorosilicone rubber includes a linear polymer composed of a silica main chain and a side chain radical; a molecular structure of the polymer including a unit with the side chain radical with vinyl is a methyl vinyl siloxane unit, and a unit with the side chain radical with R1 is a fluorine-containing siloxane unit; and wherein n and m are natural numbers, and R1 comprises at least one of fluoroalkyl and fluoroaryl.
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公开(公告)号：US20220360902A1
公开(公告)日：2022-11-10
申请号：US17619049
申请日：2020-04-21
Applicant: Goertek Inc.
Inventor： Shuqiang Wang , Bing Hui , Fengguang Ling , Chun Li , Chunfa Liu
Abstract: Disclosed are a diaphragm for a sound generating device and a sound generating device. The diaphragm comprising at least one elastomer layer, wherein the elastomer layer is made of an ethylene propylene diene monomer; and the ethylene propylene diene monomer is formed by polymerizing three monomers, the three monomers being an ethylene monomer, a propylene monomer and a non-conjugated diene monomer respectively, a mass ratio of the ethylene monomer to the propylene monomer ranging from 0.25 to 4, and content of the non-conjugated diene monomer being 1%-15% of total content of the ethylene monomer and the propylene monomer. The ethylene propylene diene monomer has excellent high-temperature resistance and thermo-oxidative aging resistance; and after the rubber is made into the diaphragm, the diaphragm is capable of working in a high-temperature environment for a long time, maintaining not only excellent elasticity but also excellent anti-fatigue characteristic, thereby possessing excellent reliability.
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公开(公告)号：US20220386030A1
公开(公告)日：2022-12-01
申请号：US17767365
申请日：2019-12-25
Applicant: Goertek Inc.
Inventor： Shuqiang Wang , Fengguang Ling , Chun Li , Chunfa Liu
Abstract: The present disclosure provides a vibrating diaphragm of a sound-producing apparatus and the sound-producing apparatus. The vibrating diaphragm includes a fluorosilicone rubber film layer, and the fluorosilicone rubber includes a linear polymer composed of a silica main chain and a side chain radical; a molecular structure of the polymer including a unit with the side chain radical with vinyl is a methyl vinyl siloxane unit, and a unit with the side chain radical with R1 is a fluorine-containing siloxane unit; and wherein n and m are natural numbers, and R1 comprises at least one of fluoroalkyl and fluoroaryl.
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公开(公告)号：US20220251253A1
公开(公告)日：2022-08-11
申请号：US17614205
申请日：2020-04-20
Applicant: Goertek Inc.
Inventor： Bing Hui , Shuqiang Wang , Fengguang Ling , Chun Li , Chunfa Liu
Abstract: A diaphragm for a miniature sound generating device, wherein the diaphragm is made of a polyacrylate copolymer, a plasticizer is mixed in the polyacrylate copolymer, the polyacrylate copolymer is 100 parts by mass, and the plasticizer comprises at least one of aliphatic dibasic acid esters, phthalic acid esters, benzene polyacid esters, benzoic ethers, polyol esters, chlorinated hydrocarbons, epoxides, citrate esters and polyesters. The diaphragm possesses excellent sound performance.
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公开(公告)号：US12163000B2
公开(公告)日：2024-12-10
申请号：US17767745
申请日：2019-12-25
Applicant: Goertek Inc.
Inventor： Shuqiang Wang , Fengguang Ling , Chun Li , Chunfa Liu
Abstract: Disclosed are a vibrating diaphragm of a sound-producing apparatus and the sound-producing apparatus. The vibrating diaphragm includes a polyurethane rubber film layer and the polyurethane rubber film layer includes a block polymer formed by soft segment portions and hard segment portions that are arranged alternately, wherein each of the soft segment portions includes polyhydric alcohol and each of the hard segment portions includes isocyanate and a chain extender, and the polyurethane rubber is represented by a structural formula as follows: wherein R is the chain extender, R1 is polyhydric alcohol and n is a natural number. (FIG. 6).
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Patent Agency Ranking
公开(公告)号：US20240101768A1
公开(公告)日：2024-03-28
申请号：US17767745
申请日：2019-12-25
Applicant: Goertek Inc.
Inventor： Shuqiang Wang , Fengguang Ling , Chun Li , Chunfa Liu
CPC classification number: C08J5/18 , H04R7/10 , H04R9/025 , H04R9/06 , H04R31/003 , H04R2307/025
Abstract: Disclosed are a vibrating diaphragm of a sound-producing apparatus and the sound-producing apparatus. The vibrating diaphragm includes a polyurethane rubber film layer and the polyurethane rubber film layer includes a block polymer formed by soft segment portions and hard segment portions that are arranged alternately, wherein each of the soft segment portions includes polyhydric alcohol and each of the hard segment portions includes isocyanate and a chain extender, and the polyurethane rubber is represented by a structural formula as follows:
wherein R is the chain extender, R1 is polyhydric alcohol and n is a natural number. (FIG. 6)-
公开(公告)号：US20220182762A1
公开(公告)日：2022-06-09
申请号：US17614264
申请日：2020-04-20
Applicant: Goertek Inc.
Inventor： BING HUI , Shuqiang Wang , Fengguang Ling , Chun Li , Chunfa Liu
IPC: H04R7/02
Abstract: Disclosed are a diaphragm for a miniature sound-generating device, wherein the diaphragm is made of a polyacrylate copolymer, a reinforcing agent is mixed in the polyacrylate copolymer, the polyacrylate copolymer is 100 parts by mass, and the reinforcing agent comprises at least one of carbon black, silicon dioxide, calcium carbonate and barium sulphate, and is 1-90 parts by mass. The diaphragm provided in the disclosure possesses excellent sound performance.
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8.发明授权公开(公告)号：US12256206B2
公开(公告)日：2025-03-18
申请号：US17631015
申请日：2018-12-14
Applicant: GOERTEK INC.
Inventor： Fengguang Ling , Shuqiang Wang , Chun Li , Chunfa Liu
IPC: H04R7/04 , C08K5/00 , C08L23/08 , C08L23/0869 , H04R31/00
Abstract: A diaphragm applied to a sound producing device, a sound producing device, and a method for assembling the same. The diaphragm comprises a film layer prepared by means of a crosslinking reaction of at least one of an ethylene-acrylate copolymer and an ethylene-acrylate-carboxylic acid copolymer. The molecular structure of the diaphragm comprises a vinyl-acrylic group. The group causes the material to have a less symmetrical chemical structure, a reduced tacticity and an increased steric hindrance, such that the diaphragm has a high loss factor, and the sound producing device achieves a good damping effect.
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公开(公告)号：US11800288B2
公开(公告)日：2023-10-24
申请号：US17619049
申请日：2020-04-21
Applicant: Goertek inc.
Inventor： Shuqiang Wang , Bing Hui , Fengguang Ling , Chun Li , Chunfa Liu
CPC classification number: H04R7/125 , B32B7/022 , B32B25/042 , B32B25/14 , C08J5/18 , H04R9/025 , H04R9/06 , H04R31/003 , B32B2250/248 , B32B2307/306 , B32B2307/51 , B32B2307/536 , B32B2307/54 , B32B2307/554 , B32B2307/5825 , B32B2307/732 , B32B2457/00 , C08J2323/16 , H04R2307/025
Abstract: Disclosed are a diaphragm for a sound generating device and a sound generating device. The diaphragm comprising at least one elastomer layer, wherein the elastomer layer is made of an ethylene propylene diene monomer; and the ethylene propylene diene monomer is formed by polymerizing three monomers, the three monomers being an ethylene monomer, a propylene monomer and a non-conjugated diene monomer respectively, a mass ratio of the ethylene monomer to the propylene monomer ranging from 0.25 to 4, and content of the non-conjugated diene monomer being 1%-15% of total content of the ethylene monomer and the propylene monomer. The ethylene propylene diene monomer has excellent high-temperature resistance and thermo-oxidative aging resistance; and after the rubber is made into the diaphragm, the diaphragm is capable of working in a high-temperature environment for a long time, maintaining not only excellent elasticity but also excellent anti-fatigue characteristic, thereby possessing excellent reliability.
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公开(公告)号：US20220369037A1
公开(公告)日：2022-11-17
申请号：US17618976
申请日：2020-04-21
Applicant: Goertek Inc.
Inventor： BING HUI , Shuqiang Wang , Fengguang Ling , Chun Li , Chunfa Liu
Abstract: Disclosed are a diaphragm for a sound generating device and a sound generating device. The vibration diaphragm comprises at least one elastomer layer, wherein the elastomer layer is made of a hydrogenated nitrile butadiene rubber polymer; and the hydrogenated nitrile butadiene rubber polymer comprises acrylonitrile blocks, content of the acrylonitrile blocks in the hydrogenated nitrile butadiene rubber polymer ranging from 10 wt % to 70 wt %, a vulcanizing agent is added into the hydrogenated nitrile butadiene rubber polymer, and content of the vulcanizing agent is 1% to 15% of total content of the hydrogenated nitrile butadiene rubber polymer. The diaphragm of the present disclosure has excellent resilience, maintains high elasticity in a low-temperature environment and is capable of long-time working in a high-temperature environment, therefore enabling the sound generating device to be applied in an extremely severe environment while keeping its acoustic performance in an excellent state.
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