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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., w3 ?% @8 R3 y# {( b( j
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Part One. Aluminum body
3 Z* U9 ]; u* n. z$ B1.Weight- for aluminum, the more heavy, the more thick the body , the better. @: t9 ?4 s3 @
2.Material- Aluminum is better than plastic or mix materials4 o' `( |6 `) x/ J$ |+ R
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7 L% o J7 Y/ b7 o2 z" W8 V* kPart Two. LED
/ [$ e4 ?# d" ~/ d6 G3 S7 R1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
$ s- T# }& Q5 w, k$ b* }6 D2.Testing by aging equipment is more direct way
2 j" I6 [2 j( O0 i' V/ u3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.. G) p0 N3 ?/ D$ Y1 W# i
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.5 A' r; v5 c8 B: Y. s1 D
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& u- [4 e% D! A) b2 ^. GPart Three. Driver$ @9 f- S/ f6 r0 F q0 k
1.Components- If you open the cover by screwing,the more components it has, the safer/better.' R, U4 m5 m1 M! q8 d* V
2.PF - the higher, the better.( w& [; L) m! L- b0 A
2.Appearance, weight, which you can check also.# [# R1 L$ X6 ?. H
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Others( s! @( ^) l9 `9 m
Painting, light guide panel ,and other components, you can see by eye.
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