Unverified80% confidenceDecision RuleTime unknown
选购时应区分类DC调光模式和硬件级DC调光：红米/iQOO中端机型多为高频PWM方案而非真正DC调光，购买前需确认调光方式而非仅看宣传护眼标签
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80%
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Long-term
Relevance
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Unverified选购时应确认是否全局DC调光可选——该机型主打高频PWM而非DC调光，两者护眼机制不同，DC调光爱好者需注意区分90% similarUnverified选购时应区分'类DC调光'和真正的DC调光：红米和iQOO中端OLED屏在低亮度下仍采用PWM调光，只是频率提高到1920Hz，并非全亮度段DC调光85% similarUnverified类DC调光（DC-like）本质仍是PWM+算法降频，在中低亮度下频闪深度低于纯PWM但高于真DC，属于OLED的折中方案，宣传时需区分是否为全亮度覆盖83% similarUnverifiedLCD屏采用全程DC调光天然无频闪，对频闪极度敏感者优先选LCD；但主流旗舰均为OLED，OLED需依赖高频PWM或类DC调光弥补83% similarUnverified类DC调光（滤光算法）在低亮度下画质会偏色发灰，真正的护眼应看PWM调光频率而非营销宣传的'类DC调光'81% similar
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