Unverified82% confidenceDecision RuleTime unknown
定制文字类霓虹灯字母高度＜3cm时笔画容易断光或显示模糊，建议单字/字母高度≥5cm以保证光带连续
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82%
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Long-term
Relevance
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Unverified定制文字灯牌单字高度低于5cm时笔画间LED灯珠会因间距过近导致光点连不成线、字体糊边，中文字体建议单字≥8cm、英文≥5cm才能保证轮廓清晰92% similarUnverified定制文字灯牌单字笔画间距＜8mm时容易出现光点连不上或断字，建议字体选无衬线粗体，单个字符高度≥15cm才能保证发光均匀91% 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76% similarUnverified落地式或大灯头护眼灯的照射直径通常比小台灯大，能覆盖A4纸整页避免边缘明暗差，桌面大或需照亮整个书本时更适合73% 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73% similar
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