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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.6 u0 J' P, `3 H) q4 I8 U4 u0 Z
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Part One. Aluminum body
2 G8 r8 M2 b8 W$ Y% ?. w, z& ?1.Weight- for aluminum, the more heavy, the more thick the body , the better8 q0 \3 _. X( Z; V
2.Material- Aluminum is better than plastic or mix materials& o3 x) ^4 F% l
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7 S$ x1 K9 C: l( d0 D2 j- vPart Two. LED( R: h& d2 \- F
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.% c& c F# @) g) x* w- a
2.Testing by aging equipment is more direct way- x" T: S" O" b3 ]
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.
+ M; x. }0 N6 g1 b( X" x$ l4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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* }+ s3 X( l0 L N; m* jPart Three. Driver
2 z) l2 q* t: u1.Components- If you open the cover by screwing,the more components it has, the safer/better.7 D5 I8 O4 Z: v0 ?7 n3 B+ f1 k) y
2.PF - the higher, the better. k* X" z$ c. G. o) ~; S) n, i
2.Appearance, weight, which you can check also.
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Painting, light guide panel ,and other components, you can see by eye.
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