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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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0 Q# Q$ u M* J- Z9 U2 CPart One. Aluminum body4 Q. u5 m: L8 L/ d+ |
1.Weight- for aluminum, the more heavy, the more thick the body , the better
2 u# I2 e, q: S1 y2.Material- Aluminum is better than plastic or mix materials0 [* G5 P, y, w- N2 J
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Part Two. LED1 c) f# V" K# B4 v
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
8 q3 T9 a3 _+ v( d2.Testing by aging equipment is more direct way
A; e3 Y2 @' f- O' S+ T3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.+ M( ]# o, h I2 U" E2 {
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.1 Z/ z6 H. @$ I7 }( m# j
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Part Three. Driver
/ f! V9 d, I4 d3 p' g1.Components- If you open the cover by screwing,the more components it has, the safer/better., }6 b# M& u2 }
2.PF - the higher, the better.
6 x( K5 s# P7 O4 p2 `2.Appearance, weight, which you can check also.. r- @3 @) D5 C
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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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