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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! d3 ]; {- H$ }+ S( N( G. q
1.Weight- for aluminum, the more heavy, the more thick the body , the better; G' } z! C& \) w4 y& c5 }
2.Material- Aluminum is better than plastic or mix materials
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: p' I6 v$ |+ I3 a3 @: Y, b" n3 V7 tPart Two. LED
Q# E- D% L( U5 B' n1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands. g9 G5 v( q2 v# B2 C# w6 ]
2.Testing by aging equipment is more direct way
9 ]$ x+ K( U( `# A) f3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.
& A5 \5 _" U, m( Q6 G& S8 a$ e- J4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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Part Three. Driver
+ l* X& q L* `% b1.Components- If you open the cover by screwing,the more components it has, the safer/better.
5 s; u9 q9 R2 C/ e, W2.PF - the higher, the better.' E4 k+ c3 n. k! }2 h
2.Appearance, weight, which you can check also." I& y" u. [9 _1 q( |
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Painting, light guide panel ,and other components, you can see by eye.8 J3 W# F2 B! J! N) l
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