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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 body6 A( j# k' f' o1 v8 a7 X! I
1.Weight- for aluminum, the more heavy, the more thick the body , the better2 o% z; O8 o/ z; C; T% D
2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED
; h, J8 _1 I' ~1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
" g0 C1 T1 f% i6 j2.Testing by aging equipment is more direct way
8 a# d% x% T& s; @" R& {! W1 r3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.
+ ~8 [0 c/ K. G5 R5 w& {: L) `4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.- s U2 U. V: n. C0 w2 ]
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; `% h9 l* h- z( VPart Three. Driver3 R; L# d& Q$ \* a( Z, B. l0 V
1.Components- If you open the cover by screwing,the more components it has, the safer/better.6 R( S% g+ X4 q+ \: Q$ ?
2.PF - the higher, the better.6 h, F0 [* }" D! N
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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发表于 2015-12-8 13:22:20
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