Unverified82% confidenceDecision RuleTime unknown
OBD型HUD亮度需≥12000nits（约2000cd/m²以上等效反射亮度）才能在正午强光下勉强可见，普通LED型HUD多在5000-8000nits，白天严重反光看不清
1
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82%
Confidence
Long-term
Relevance
-
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UnverifiedHUD亮度需≥12000nits才能在正午强光下清晰可见，＜8000nits的产品白天基本看不清89% similarUnverifiedHUD亮度需达到10000尼特以上才能在正午强光下清晰可见，低于5000尼特的产品白天几乎无法辨识85% similarUnverified白天强光下HUD实际有效亮度需≥1500nit（投射到反射膜后），标称亮度低于10000cd/㎡的裸屏方案正午几乎看不清，优先选带自动感光调节的型号85% similarUnverifiedHUD投影亮度需≥5000nit才能在正午强光下看清仪表投影，普通2000-3000nit白天几乎不可见，选购时优先看夜间/白天双模式自动调光机型84% similarUnverified亮度看有效流明而非虚标总流明，单只4000-6000有效流明足够日常，标称8000+以上多含虚标；关键是光通量集中在切割线内而非总量堆砌75% similar
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