The simplest and most common way is to coat a blue LED with a yellow phosphor.
最简单也最普通就是在蓝色LED上罩一层黄色的磷。
This is an inspired blue LED digital touch screen watch that is very popular all around the world.
这是一个灵感的蓝色LED数码触摸屏的手表,在世界各地很受欢迎。
Optical fiber carries excitation light produced by the blue LED to the thin-film coating at the probe tip.
光纤把LED产生的励磁光传输给探测器尖端的薄膜涂层。
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