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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# Y' z y4 U! R' k
1.Weight- for aluminum, the more heavy, the more thick the body , the better
, z8 G' w& p" c0 M; g2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED8 {9 t0 M. s+ w
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
: X* G) K' e+ Q. v1 o2.Testing by aging equipment is more direct way
/ R6 Y- ]% g% Y1 Y1 a3 z3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.% B4 Q( g1 l9 s. ]+ v9 k3 T( t8 p
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.$ X5 b5 ?# t1 _4 U7 ^- G) }7 Z5 ^: x
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: `, e* i. q" M. q- V. v) r0 Q1 sPart Three. Driver4 u- x& j; j: H2 _2 z( I1 {& a
1.Components- If you open the cover by screwing,the more components it has, the safer/better.2 V2 [2 H9 |( e/ V2 K9 ?; B
2.PF - the higher, the better.: M' q9 g; N7 B! D1 K: B: t
2.Appearance, weight, which you can check also.. {+ P6 h+ P, n6 M1 n% @% N
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Painting, light guide panel ,and other components, you can see by eye.1 W5 ?: f! B. C
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发表于 2015-12-8 13:22:20
|LED盘
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