Unverified75% confidenceCautionTime unknown
无频闪认证只是标注PWM调光的灯在低亮度档往往频闪更严重，儿童房和长时间用眼场景不建议买低亮度靠PWM调光的产品，应选DC调光或混合调光
1
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75%
Confidence
Long-term
Relevance
-
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Unverified低价智能灯泡多用PWM调光，在低亮度(＜30%)时频闪明显，长时间在眼下（如卧室阅读、儿童房）不建议使用无频闪认证的产品92% similarUnverified关注调光时的PWM频率或选择DC无频闪机型，低频PWM调光在低亮度下频闪严重，长时间用眼环境（书房儿童房）应选无可见频闪认证机型90% similarUnverified触摸调光和无极调光看似高级，但PWM调光（脉宽调制）在低亮度档位可能产生频闪，若产品未说明采用DC恒流调光，避免长期使用最低亮度档89% similarUnverified不建议给婴幼儿选购带频闪的低价夜灯，未通过无频闪认证（如豁免级RG0/IEEE1789）的LED在低亮度PWM调光时频闪严重，长期暴露影响婴幼儿视觉发育89% similarUnverified选择DC调光（直流恒流）而非PWM低频调光的夜灯，低频PWM调光在低亮度下频闪明显，长期对婴儿视觉发育不利，认准标注'无频闪'或'DC调光'88% similar
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