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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.
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Part One. Aluminum body
9 O& q# C* V. R4 _" X: f0 r1 y1.Weight- for aluminum, the more heavy, the more thick the body , the better
0 N" ~1 d$ A1 d) H2.Material- Aluminum is better than plastic or mix materials
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( L2 Q% I4 X4 F7 b! |* K% r' gPart Two. LED
4 d M) I( E' ?) E1 K1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
7 r9 }9 e6 X) O% z" e% m2.Testing by aging equipment is more direct way
% J* s1 h$ f) 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." s7 Y# |0 @! \9 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. Driver3 S; [5 b) r4 ]9 B: k9 w
1.Components- If you open the cover by screwing,the more components it has, the safer/better.8 J3 F; J9 r2 r% F8 a+ ^5 b
2.PF - the higher, the better.( b" ?6 n0 s0 ~" ]% M9 h5 R' O, ]
2.Appearance, weight, which you can check also.
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Others
. o' y$ ^ i* `; u4 B2 |: j" FPainting, 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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