Unverified85% confidenceDecision RuleTime unknown
追求护眼选高频PWM调光屏：1920Hz或2160Hz高频PWM明显优于1440Hz以下，对光敏感人群应认准≥1920Hz + 类DC调光 + 无频闪/低蓝光双认证
1
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85%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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Unverified护眼看PWM调光频率而非厂商宣传的护眼认证，认准1920Hz或3840Hz+高频PWM调光；低于1440Hz的调光在低亮度下对敏感人群易致眼疲劳，SGS/莱茵认证只是加分项91% similarUnverified护眼看重防频闪时优先选高频PWM调光≥1920Hz或全程DC调光机型，低频PWM（240Hz/480Hz/720Hz）在低亮度下频闪明显，敏感人群会头晕眼胀89% similarUnverified护眼看类DC调光或高频PWM调光（≥1920Hz），单纯的'低蓝光认证'（如莱茵TÜV）不解决频闪问题；对频闪敏感人群优先查PWM调光频率而非蓝光认证标签87% similarUnverified真正护眼需高频PWM调光（≥1920Hz）或原生DC调光，1920Hz以下的PWM调光在低亮度时频闪明显，敏感人群仍会眼疲劳87% similarUnverifiedPWM调光频率≥1920Hz或采用类DC调光才算真正护眼，低于360Hz的低频PWM长时间使用易导致眼疲劳；对频闪敏感人群应认准全程DC调光或高频PWM≥2160Hz机型86% similar
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