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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
$ E/ c+ Q2 B* k# Y* Q& [' n6 A1.Weight- for aluminum, the more heavy, the more thick the body , the better( T% Q+ z8 j, \% h4 K
2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED% U% ]1 Q# X) a' D
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands., e1 n- e. f8 o9 Q. F
2.Testing by aging equipment is more direct way. w% ^1 g) L) \- c5 Z/ v
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.
, |/ q) X- h$ P0 K4.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! G+ n/ g, E! e3 }% ]% }# m6 i
1.Components- If you open the cover by screwing,the more components it has, the safer/better.
9 z$ |- b9 O5 Q9 e. U4 C2.PF - the higher, the better.8 {; s/ V' ^3 K7 X7 W
2.Appearance, weight, which you can check also.
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Painting, light guide panel ,and other components, you can see by eye.( E+ | H% D/ s0 v. L" @8 }
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发表于 2015-12-8 13:22:20
|LED盘
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