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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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. X/ e( B9 a2 y: p6 a/ c4 N! \3 k! jPart One. Aluminum body
# M1 m6 R+ G0 Y+ k$ W4 l$ Q) {1.Weight- for aluminum, the more heavy, the more thick the body , the better
U1 l/ ~! [/ B2.Material- Aluminum is better than plastic or mix materials6 s% N# { ?' Y$ @
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! C" p* k2 y& F* `Part Two. LED7 r' N7 [) S; ]$ s5 ~
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
' M1 Q8 s+ ]* g8 f$ o2.Testing by aging equipment is more direct way
2 _ d9 A( i3 @' N5 | b; g1 [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.
1 |1 C3 a5 r! G: p# c4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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, z5 Y7 W1 X: n/ `3 }( [3 o; H- [Part Three. Driver
- ]( r2 [$ O2 Y7 I4 k4 U4 k; h) h1.Components- If you open the cover by screwing,the more components it has, the safer/better.
) _4 o) i- E: B2.PF - the higher, the better., O; k* B% C* Y
2.Appearance, weight, which you can check also.- R4 `3 }( B' i
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+ n# r* q( \! ~3 V" L- qPainting, light guide panel ,and other components, you can see by eye.
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