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所属报告：
皖维高新-PVA尘埃落定发力产业链下游-220329（26页）.pdf
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镓产业链
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2026-07-21
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磷化铟产业链
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铟产业链
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浮法玻璃上下游产业链
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产业链
2026-07-21
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光学级铌酸锂材料产业链梳理
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产业链
2026-07-21
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砷化镓产业链
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产业链
2026-07-21
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万华化学材料在锂电产业链中的位置
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产业链
2026-07-21
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聚氨酯产业链
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PVA 光学膜：面板显示领域需求良好，公司自主技术打破国外垄断 光学膜是一种光学介质材料，利用湿法或干法等工艺在光学元件或基板表面涂覆单层或多层透明介质膜，当光波通过时达到反射、增透、分光、滤光和偏振等效果，广泛应用于显示设备、光通信、精密光学设备、光伏和汽车装饰等领域。PVA 光学膜主要用于液晶显示面板的偏光片中，是偏光片的核心膜材料之一，据公司 20 年年报，PVA 光学膜约占偏光片生产成本的12%。在LCD液晶显示模组中必须包含上下2张偏光片（约占面板成本的10%），其中下偏光片用于将背光源产生的光束转换为偏振光，上偏光片用于解析经液晶电调制后的偏振光，产生明暗对比，从而产生显示画面；在 OLED 显示领域则通常需要 1 张偏光片。
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皖维高新-PVA尘埃落定发力产业链下游-220329（26页）.pdf
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