Cellulose composite pellet, vibration plate and acoustic system

By using transparent cellulose composite pellet injection molding technology, an integrated vibration plate is formed, which solves the problems of omnidirectional sound and atmosphere functions in the existing acoustic systems, and realizes an efficient omnidirectional sound radiation and environmentally friendly acoustic system.

CN119213069APending Publication Date: 2024-12-27LG ELECTRONICS INC
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Patent Information

Application Number
CN202280096118.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2022-05-16
Publication Date
2024-12-27

AI Technical Summary

Technical Problem

It is difficult for the existing acoustic systems to achieve omnidirectional sound radiation, and conventional cellulose-based vibrating plates are opaque and cannot achieve atmosphere function, and there are problems of connection defects and deterioration of sound radiation performance.

Method used

Transparent cellulose composite pellets are used to form integrated conical and cylindrical vibrating plates through injection molding, combining light diffusing agents and pigments to improve transparency and bonding strength, ensuring omnidirectional sound radiation and atmosphere functions.

Benefits of technology

It realizes transparent and environmentally friendly omnidirectional sound radiation, avoids connection defects, enhances sound radiation performance, and realizes atmosphere function through light sources to meet the needs of environmentally friendly products.

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Abstract

The diaphragm is injection molded using cellulose composite pellets containing at least one of a light diffusing agent, a dispersant, and a pigment, a transparent cellulose material, and a resin material, and the transparent cellulose material is 30 wt% to 70 wt%.
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