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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" ? |' s. O0 r/ _
1.Weight- for aluminum, the more heavy, the more thick the body , the better
9 J9 S. U. u# W/ B+ Y8 [2.Material- Aluminum is better than plastic or mix materials
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: H, E8 l6 l$ Z( l0 |Part Two. LED2 s. m; I& Y6 b3 x2 h- g6 }
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands., P& W2 h2 t4 W8 P* n
2.Testing by aging equipment is more direct way* l9 A4 [+ L9 w5 e
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.
" ~3 E0 ~' h6 H9 E4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.# A7 p) _ [9 W) K
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Part Three. Driver3 [; X5 E6 H' A
1.Components- If you open the cover by screwing,the more components it has, the safer/better.
1 c* g% V3 k7 y* d; a& x2.PF - the higher, the better./ a/ K& G+ c/ [0 _; `( ?/ F
2.Appearance, weight, which you can check also.. g) r% W3 j2 q- w @* Y2 |
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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
|LED盘
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