Unverified83% confidenceFactTime unknown
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
1
Sources
83%
Confidence
Long-term
Relevance
-
First Seen
Sources
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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94% similarUnverified书桌宽度≥1米建议选双光源或长条形灯头（发光长度≥40cm）的台灯，单点球泡灯头照射面积不足会造成桌面明暗不均90% similarUnverified发光面积大（圆形大灯头），桌面照射均匀度优于普通条形灯头台灯，适合书桌大面积阅读/书写场景89% similarUnverified灯头面积大、发光面宽的'大屏'灯照度均匀性好但占空间，小巧灯头易产生阴影和光斑——书桌读写选宽发光面（灯管式/大面板），空间紧凑或电脑桌可选小灯头88% similarUnverified灯头越宽照射越均匀但占空间且价格高；桌面较小或仅单点阅读用长条形（≥40cm发光面）已足够均匀，无需追求大面板落地灯87% similar
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