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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./ S5 V: |+ p& O! z
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; v* p! ~+ D& h) U$ W7 Z( `" c' i# yPart One. Aluminum body/ Y; q: S! C( Q: [ p
1.Weight- for aluminum, the more heavy, the more thick the body , the better
6 a1 b/ E v# l/ K' y, ~- B# i0 L2.Material- Aluminum is better than plastic or mix materials Y6 G$ L3 }5 [$ U% n6 u; }
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4 |( [$ L" y6 Z8 cPart Two. LED
5 z6 A* ] O: A. m1 u8 O1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
' f% ^! R' Z+ ?& B7 r/ N2.Testing by aging equipment is more direct way
& |$ k; J5 R s6 w' _& ~ W3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.
- V9 H- n& p+ _& p/ b0 _4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.' b8 x- z7 n7 _4 r" g3 C7 R) i
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Part Three. Driver
2 d% ^8 ?+ \5 |1.Components- If you open the cover by screwing,the more components it has, the safer/better.( m& x' I+ J8 B% h3 X- e( w
2.PF - the higher, the better.( D1 L. v' m, `3 X$ t4 L
2.Appearance, weight, which you can check also.
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Others
( s" m: J& C, V+ D# xPainting, light guide panel ,and other components, you can see by eye.- l" U/ n+ p( O& ?' n
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发表于 2015-12-8 13:22:20
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