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车规LED

2019-07-10 12:32:45 发表

因汽车大灯对技术、可靠性及使用的环境要求非常高，因此在设计产品时需要注重以下内容：

单颗芯片的大小一般为38～40mil，驱动电流1A到1．2A，预计可增大至60mil凯旋门在线游戏官网· 首页，以便通更大的电流。前大灯普遍为1～6晶车灯，单个LED光通量一般为1000～1600lm，未来目标光通量为 2000lm凯旋门在线游戏官网· 首页。芯片的固晶方式凯旋门在线游戏官网· 首页，都为共晶，增大芯片与底板的接触面，减小热阻，X－ray全检虚焊空洞率。由于发热大，产品的芯片贴陶瓷荧光膜片，以防温度过高，膜片移动或是损坏。

LED车灯的基板为陶瓷氮化铝基板，散热效果好，基板金属部分镀金，基板稳定性能好。光源芯片之间间距小，采用耐高温荧光片及高反射白色复合材料凯旋门在线游戏官网· 首页，单面出光凯旋门在线游戏官网· 首页。易于配光，明暗截止线清晰凯旋门在线游戏官网· 首页，无暗区凯旋门在线游戏官网· 首页，照度高凯旋门在线游戏官网· 首页。特殊的高电流密度、高光密度外延结构和芯片结构设计。齐纳二极管?；?凯旋门在线游戏官网· 首页，静电防护10KV凯旋门在线游戏官网· 首页。采用耐高温荧光片及白色复合材料。

产品可靠性满足AEc－Q101要求凯旋门在线游戏官网· 首页。

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