国外LED照明灯具客户发邮件说What is the substrate of filament bars?
Q:国外LED照明灯具客户发邮件说What is the substrate of filament bars? Are these filament with blue LED chips,or there are blue+red chips?A:灯丝灯Substrate:蓝宝石基板、陶瓷基板、陶瓷基板、铜基板、玻璃基板
蓝宝石基板最早被使用,其性能也最为稳定,热传导性好,单价太高,主要用于高端市场。陶瓷基板是目前最主流的基板,其功能稳定,性价比高,主要用于中低端市场。
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