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。

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In addition, painted with phosphor, LED emitting blue light can be transformed to that emitting white light.

除此之外还有在蓝光led上涂上荧光粉，将蓝光转化成白光的白光led。

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With high lightness and long life (50000 hours), the phosphor for white light LED has reached leading levels of the world in this field.

科明达荧光粉发光亮度高，寿命长达50000小时，达到世界同行业领先水平。

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Generally LED bulbs use either a combination red, green and blue LEDs to create white light, or they use a phosphor coating (more common) in combination with a blue LED.

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