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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.( \. w5 {6 Y8 T& P
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Part One. Aluminum body
# }- P/ z: G8 i; y1.Weight- for aluminum, the more heavy, the more thick the body , the better
, J( l) H! u2 \6 A3 N2 j, w _2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED
: \( y7 \& r( Y; I1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
' e' f r$ Q* i: o2.Testing by aging equipment is more direct way
+ W6 X; @, o% k5 r# [( k9 U3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.3 W1 y3 ^$ z4 s+ C+ a
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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Part Three. Driver( U/ k, v# u8 @9 q6 m" p
1.Components- If you open the cover by screwing,the more components it has, the safer/better.
! K& Z0 }: c3 ?3 Z4 H8 O2.PF - the higher, the better.' A4 S3 |7 r- r. y* x4 D# _& n
2.Appearance, weight, which you can check also.% L5 I" J3 v) i7 i
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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
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