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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.6 c- z. W& ` u% l/ l5 @
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& \- y! K: k, I" x/ z( s' PPart One. Aluminum body
5 F5 @/ `3 \# V1.Weight- for aluminum, the more heavy, the more thick the body , the better
+ n! X/ @ c2 T9 C2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED
; H3 }$ v p* |2 B8 o7 S6 j1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
7 k: G& s9 B4 O6 N `2.Testing by aging equipment is more direct way; w' g: A( ?; n8 T. C6 Q" R4 \1 [
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.
7 r- p s. u* E" _2 G5 ]8 _3 G4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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. j1 q; p! X; f3 m" j* uPart Three. Driver9 o. i, ]9 h! d$ _6 ]4 V& {% @
1.Components- If you open the cover by screwing,the more components it has, the safer/better.
& R! v% u& @( p# p# ~; V2.PF - the higher, the better.
5 |/ k2 e, t# E# o' z2.Appearance, weight, which you can check also.
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Painting, light guide panel ,and other components, you can see by eye.2 r7 J& Q- [1 `5 p+ R5 ?
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发表于 2015-12-8 13:22:20
|LED盘
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