Unverified85% confidenceDecision RuleTime unknown
书桌/阅读用的灯带作为主照明时，每米亮度需≥800流明且总光通量满足桌面300-500lux；氛围灯或间接照明选300-500流明/米即可，过亮反而刺眼
1
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85%
Confidence
Long-term
Relevance
-
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Unverified书桌阅读优先选立式/大力钳类台灯，出光口宽度≥30cm可实现整桌面均匀照明，圆形小灯头照射范围窄易产生阴影89% similarUnverified商用环境亮度≥350nit可应对普通办公照明，靠窗或强光会议室建议≥400nit；分辨率75英寸以上必须4K，否则近距离书写文字会有颗粒感88% similarUnverified书房阅读、办公场景选4000K中性光，卧室/客厅休闲选2700K-3000K暖光，色温超过4500K蓝光成分显著上升，不适合作为护眼灯泡长时间使用88% similarUnverified读写台灯发光面应采用导光板或大面积漫射设计而非裸露LED灯珠，避免眩光；有效照明区直径应≥40cm覆盖整张书桌宽度87% similarUnverified护眼灯管照度需达标：书桌区域A级照度中心≥500lux、边缘≥250lux，照度均匀度≤3，仅靠单支灯管难以覆盖大桌面时需多支或搭配台灯86% similar
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