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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.: p, J0 Y- N' t9 X: p o. W
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Part One. Aluminum body: [. Y. K! B5 n4 x! v; d% G
1.Weight- for aluminum, the more heavy, the more thick the body , the better8 A s/ F6 Q0 ?# X1 I" c& ^/ w: ]9 n
2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED
6 p \; ~$ [* T1 r# H" `9 q1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
, F" E# |- _( l- P( @8 X$ s2.Testing by aging equipment is more direct way
, L' E A/ b: |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.
$ d$ I p1 s3 x4.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
4 A' \" Q8 r9 p* \0 Z% P6 x1.Components- If you open the cover by screwing,the more components it has, the safer/better.
: H' v. _9 b" P7 l- j2.PF - the higher, the better.5 E( v2 _1 A& }" k
2.Appearance, weight, which you can check also.* C0 i) A5 h- a0 ~6 k6 I# k, g$ \
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Others
1 K& v( q/ X3 X; E: | u+ LPainting, light guide panel ,and other components, you can see by eye.& c* u1 U, o5 l/ @. I$ p" i
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