Unverified75% confidenceFactTime unknown
COB灯珠面光源比传统LED点光源眩光更小、光线更柔和均匀，适合近距离照明；但COB通常发热量和耗电较高，需配合更大电池
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75%
Confidence
Long-term
Relevance
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UnverifiedCOB光源比传统LED点阵发光面积更大、更均匀，同等亮度下侧向可见性更好，适合作为身体佩戴的警示灯87% similarUnverifiedCOB灯珠（集成光源）比密集贴片珠光影更硬、加柔光罩效果更均匀，适合搭配柔光箱；贴片灯珠光线软但显色一致性略差84% similarUnverifiedCOB（芯片直贴）光源尾灯发光面积大、光线更均匀连续，被识别为'一条光带'比传统LED点状光源在白天更醒目83% similarUnverifiedCOB大面积侧向发光设计提升侧向可见性，但正向亮度不如聚光型头灯，无法作为照明工具使用，仅适合作为被动警示83% similarUnverified亮度与体积/供电的权衡：面板越大柔光越自然但便携性差，COB点光源需搭配柔光罩/柔光箱才能出柔光；外拍机头灯追求便携只能牺牲功率，室内固定拍摄可上大面积柔光箱82% similar
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