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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.2 } z2 O1 z% g0 e: g
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* Q& V7 F6 _9 `1 O1 e# \& x+ ?) rPart One. Aluminum body0 N. p/ ]4 ^9 Q( s" I/ l k
1.Weight- for aluminum, the more heavy, the more thick the body , the better) `5 w9 z$ j6 M
2.Material- Aluminum is better than plastic or mix materials% o7 Z2 D1 o; j( M" {: ?
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Part Two. LED
. w3 ~" y- V4 D1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.+ o" P. x5 y) {( ~
2.Testing by aging equipment is more direct way; d7 z+ y a% @/ [ p2 ~! c
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.
1 x% d& U* @( g6 }6 U+ f4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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! @# X8 s& b0 @, b7 m. M5 E- {Part Three. Driver
, H. o3 n* C" f! s3 E( `4 a1.Components- If you open the cover by screwing,the more components it has, the safer/better.
' ?( w8 v7 D- Q4 N5 n/ W _2.PF - the higher, the better.! p' x7 ?" K: Z) v8 t5 U3 j
2.Appearance, weight, which you can check also.* b( S( p) B* A1 K( O
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% U E- t N9 p4 J% }4 pPainting, light guide panel ,and other components, you can see by eye.6 z9 B$ O6 }. q/ N% ?7 P* [
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发表于 2015-12-8 13:22:20
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