LED蓝光真的存在风险吗?

2025-04-08 05:53:24
推荐回答(3个)
回答1:

LED蓝光不存在风险
要防止LED蓝光危害,最主要的是避免人眼长时间直视光源表面,对于家中防护意识较弱的婴幼儿和老年人,应采取措施防止光源直射到眼部。另外,一般来说暖色调LED中的蓝光比例比冷色调LED的要少,带漫射罩LED灯的表面亮度比不带罩或带透明罩的LED灯的亮度要低。消费者在购买LED照明产品时,应对产品的色调和表面亮度予以关注。

实际上LED的蓝光没有那么严重,而是被夸大了。“蓝光是白光的基本成分。与日光和传统光源一样,白光LED也含有蓝光。适量的蓝光不仅为保证光源的显色性能所必需,还能对人的生理节律有调节作用。蓝光对于视网膜的伤害主要是由波长为400-500纳米的过量辐射造成的。各种光源和日光光谱计算得到的数据及国内外权威实验室的测量结果表明:白光LED光源的蓝光含量不高于相同色温下荧光灯和金属卤化物灯等传统光源及日光;白光LED光源在人眼视网膜上的蓝光辐照量与荧光灯和金属卤化物灯等传统光源类似,属于0类和1类的安全照明产品。
为了确保LED照明产品的光生物安全和照明质量,LED光源和照明系统必须符合国内外相关标准,并采用合理的光学设计,将出光面的表面亮度控制在合适的水平。在使用时,所采用的照度和色温应根据具体应用而定。
与传统光源类似,正确使用合格的普通照明白光LED产品,对于人眼是完全安全的

回答2:

不清楚你所说“存在风险”指的是什么风险?蓝光LED,一般是紫外线发光管,目前的制造技术,对紫外线发光管的使用寿命还比较短,不到正常发光管30%,所以,要说风险,应该是指蓝光LED的使用寿命很短。

回答3:

不知道这里指的哪方面的风险?

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