Unverified80% confidenceDecision RuleTime unknown
调光要选支持PWM高频调频或DC无频闪调光的产品，低频PWM调光在低亮度档位会出现频闪，长期夜用伤眼且干扰睡眠
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80%
Confidence
Long-term
Relevance
-
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Unverified不要选择PWM低频调光（易频闪）的助眠灯，在低亮度档位频闪最明显，长期使用引起眼疲劳；应选DC调光或高频PWM（>3000Hz）产品92% similarUnverified睡前使用的灯具需支持无极调光并能降至10lux以下的极低亮度，PWM低频调光在低亮度下会产生频闪，优先选DC调光或高频PWM（≥3000Hz）以避免眼睛疲劳91% similarUnverified无频闪（采用DC或高频PWM调光）是护眼助眠灯的核心参数，低频PWM调光在低亮度档位频闪明显，长时间使用易致眼疲劳90% similarUnverified亮度调节应支持低亮度区间的高精度调光（尤其1%以下的微亮），PWM调光频率应≥3000Hz或采用DC调光，否则低亮度下频闪会引起睡前眼疲劳87% similarUnverified护眼/助眠场景应选支持1800K-2700K低色温档且带无频闪认证的灯带，PWM调光频率需≥3000Hz或采用DC恒流调光，避免低亮度时出现频闪87% similar
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