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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.! l- J. i) R( Q! f3 m) }
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" `' v% \: E/ d% `; O1 K. O* UPart One. Aluminum body# x. R$ A# |( C) E! _. I
1.Weight- for aluminum, the more heavy, the more thick the body , the better8 V' p1 l* h# M8 J
2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED
& S/ Q) E- ] A# f8 z+ Z% r% K' N1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
# M4 i9 \8 m& \- ]6 ?2 ?9 B, T- z) X2.Testing by aging equipment is more direct way
8 F" p0 q, E4 M% r) C3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.5 ^1 P4 X- C* m5 ^
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.- U* E x, l3 _$ t( z
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: ?$ e& ^5 h! L0 PPart Three. Driver
* \4 f6 [! D( v# T5 K8 C3 {1.Components- If you open the cover by screwing,the more components it has, the safer/better.
+ s; y; I8 Q3 J E2.PF - the higher, the better.7 g3 o( ?+ D5 v* a8 K6 u% K3 {
2.Appearance, weight, which you can check also.
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Painting, light guide panel ,and other components, you can see by eye.1 D u8 b4 u4 P( C
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发表于 2015-12-8 13:22:20
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