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The structure for LED ceiling panel is simple, it mainly consists of 3 parts mainly, let's do it one by one.* u0 o" v3 l) S7 t# k) C3 W) c+ [" ~
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Part One. Aluminum body
* }# a' v* Q: s& W. W# o1.Weight- for aluminum, the more heavy, the more thick the body , the better8 C5 a; Q: `6 n" c0 G
2.Material- Aluminum is better than plastic or mix materials- S: C: J* E$ k8 U. [! W4 ?6 `
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Part Two. LED5 W+ S( g. ]7 b; I- x% \
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.2 C S# [, R! R+ n' r; @' K
2.Testing by aging equipment is more direct way: f i6 Y' @* @0 W
3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam." t4 Q1 q7 G6 }9 U7 v1 X' ~
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.3 m( b$ R$ e1 V
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Part Three. Driver: W3 ]/ B/ U- L
1.Components- If you open the cover by screwing,the more components it has, the safer/better.* C7 z1 B4 ]! w6 x/ V p
2.PF - the higher, the better.( k6 r$ M; g# ~- p) n/ s
2.Appearance, weight, which you can check also.
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Others" `; R4 O: A4 G! a1 t1 U
Painting, light guide panel ,and other components, you can see by eye.
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发表于 2015-12-8 13:22:20
|LED盘
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