Unverified83% confidenceDecision RuleTime unknown
廉价智能灯普遍存在低亮度下频闪问题,长时间使用伤眼;选购认准'无频闪/无危害级'或标注调光技术为PWM高频调光(≥3125Hz)的产品,尤其儿童房和书桌照明
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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93% similarUnverified对闪烁敏感或有儿童/长时间阅读需求的,应选标注无频闪或高频调光(PWM频率≥3000Hz)的产品;低价智能灯泡低亮度下常出现肉眼可见频闪,长期用眼疲劳89% similarUnverified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88% 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87% similarUnverified对闪烁敏感或有儿童/老人的家庭,应选标注无频闪(无可视频闪,波动深度<5%)的灯泡,廉价PWM调光灯泡低亮度时频闪严重易致眼疲劳86% similar
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