Unverified80% confidenceTradeoffTime unknown
灯带越长氛围包裹感越强,但功率越高、供电要求越苛刻且贴装难度越大,34寸以下屏幕1.5m内基本能用显示器USB直供,超过则需独立供电
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80%
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Long-term
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Unverified便携高亮显示器需确认供电方式,USB-C单线供电最高约100W,1000nit级别便携屏往往需要外接电源或双USB-C供电才能跑满亮度81% similarUnverified便携屏靠外接设备供电时,若单口USB-C仅提供5V/500mA-900mA,可能出现亮度不足、触控失灵或屏幕闪烁;15W以上功耗的屏幕建议外接PD电源或选带独立供电口的型号81% similarUnverified供电方式USB(5V)款仅适合小尺寸(<50cm)桌面摆件,大于1米的壁挂霓虹字应选12V/24V适配器供电,12V以上电压亮度更均匀不会出现末端衰减变暗80% similarUnverified供电优先选显示器USB口取电(随屏开关自动亮灭),若显示器无USB输出或功率不足则选独立5V适配器,灯带功率超过5W(约2m以上RGB)时USB口可能供电不足导致亮度衰减79% similarUnverified灯串越长供电负载越大,USB款超过10米亮度末端衰减明显,电池款超过5米建议分段供电或选低功耗LED79% similar
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