Unverified85% confidenceTradeoffTime unknown
1920Hz PWM调光属于高频调光，相比低频PWM对眼睛刺激更小，但仍不如DC调光彻底无频闪，对频闪极度敏感的用户仍可能感到不适
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85%
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Unverified1920Hz PWM调光属于高频调光，相比低频PWM对眼睛更友好，但仍不如DC调光彻底消除频闪，对频闪极度敏感的用户可能仍感不适99% similarUnverified1920Hz PWM调光在高频调光中属于入门级别，对调光频率极度敏感的用户（如能感知2160Hz以下频闪的人群）可能仍觉不够舒适，需实际体验确认90% 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89% similarUnverified带DC调光或PWM高频调光（≥1250Hz以上或标注无频闪）的灯泡才能护眼，低价灯泡低亮度时用低频PWM，调暗后频闪明显加剧89% 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89% similar
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