Unverified80% confidenceTradeoffTime unknown
低亮度频闪（PWM调光）是换屏后长时间用眼舒适度的关键：多数国产组装OLED采用低频PWM调光，敏感人群会出现眼疲劳头痛，选带DC调光或类DC高频调光标注的总成可缓解
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80%
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Long-term
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UnverifiedPWM调光会产生频闪，长期低亮度使用（如夜灯）易引起眼疲劳，追求护眼应选无极调光/DC调光的驱动器，或明确标注"无频闪/flicker-free"的产品91% similarUnverified屏幕看PWM调光频率而非峰值亮度：对屏幕敏感/易眼疲劳者选高频PWM（≥1920Hz）或类DC调光机型，OLED低频闪烁是暗光下眼干头晕的主因88% similarUnverified使用带DC-DC调光技术的挂灯（非PWM低频调光），低亮度下无频闪，长时间用眼更舒适；廉价款常用PWM易致敏感人群疲劳87% similarUnverified亮度调节需支持无级/PWM高频调光（≥3000Hz以上或DC调光），低频PWM调光在低亮度下频闪明显，长期夜间使用易造成眼疲劳和头痛87% similarUnverified亮度调节精度上，PWM调光在低亮度档可能产生频闪，选择支持DC线性调光或高频PWM（＞3125Hz）的产品在低亮度下更护眼86% similar
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