・This video 「

为什么制作蓝LED几乎是不可能的

」@bilibili.com
　　↓↓↓Often Viewed With：↓↓↓・LED的工作原理，为什么能发出彩光？
・蓝色 LED 为什么难造？
・小小蓝色LED灯，凭啥能斩获诺贝尔奖？改变人类照明史的发明
・发明了蓝光LED的诺奖得主，公司只发了一千块奖金？【差评君】

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