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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.' g8 X: W( C$ q+ Z! f
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Part One. Aluminum body
/ E0 _( K+ ?8 I) H+ Q' c1.Weight- for aluminum, the more heavy, the more thick the body , the better7 W7 n' {% N r7 Q0 R, B3 W
2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED
* X+ ?" d# v) S1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.9 M8 O# m* }2 k, B3 W0 ?" Y, b$ h
2.Testing by aging equipment is more direct way
. v% f* f8 A5 g( F7 |, A* y3.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 A; v# [8 }- j% a, o" Z
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.3 }6 A$ S6 I; B0 G
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Part Three. Driver
2 G" E5 D) e, G' t4 z0 s; J1.Components- If you open the cover by screwing,the more components it has, the safer/better. T. y/ w- C6 N5 N
2.PF - the higher, the better.
$ V' R/ h) v. J' c5 f: l2.Appearance, weight, which you can check also.$ D4 l# Y" ^; E% S7 S4 V- A" z6 e0 i
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Painting, light guide panel ,and other components, you can see by eye.$ l) `2 n6 C- N- Y2 B# Z5 `8 o& C( w
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发表于 2015-12-8 13:22:20
|LED盘
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