Feed Entities Podcasts Deep Dives Developers About

[KongchangAI]

Real-time AI knowledge base. Every claim is traceable to its source, with data freshness under 24 hours.

Powered by 240+ first-hand AI sources

Knowledge

Feed
Hot Entities
Podcasts

Developers

CLI
MCP Server
REST API
About

© 2026 KongchangAI. The freshest, most accurate AI knowledge

Unverified76% confidenceCautionTime unknown

PWM调光(脉冲宽度调制)在低亮度档位时频闪风险增大，追求护眼应选DC直流调光或高频PWM(>3000Hz)的产品，纯氛围用途可放宽此要求

1

Sources

76%

Confidence

Long-term

Relevance

-

First Seen

Sources

Related Entities

护眼台灯category

Related Claims

UnverifiedPWM调光频率过低（＜1000Hz）的调光夜灯会产生频闪，长期使用对眼睛不友好，敏感人群应选DC调光或高频PWM（＞3000Hz）产品93% similar Unverified调光方式优先选PWM频率>3000Hz或DC直流调光的产品，低频PWM（<1250Hz）在低亮度时频闪严重，长期使用引起眼疲劳92% similar Unverified亮度调节精度上，PWM调光在低亮度档可能产生频闪，选择支持DC线性调光或高频PWM（＞3125Hz）的产品在低亮度下更护眼92% similar UnverifiedPWM调光频率过低会产生频闪，防蓝光灯带若采用低频PWM调光反而伤眼，选购调光款需确认调光频率≥3000Hz或采用DC恒流无频闪调光90% similar Unverified调光方式建议选支持无极调光或多档位（≥3档），并优先PWM调光频率＞3000Hz或采用DC调光的机型，避免低频PWM调光在低亮度下产生频闪89% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/239790

API

curl https://kongchang.com/api/v1/knowledge/claims/239790

MCP

get_claim(id=239790)