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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.8 w; [, M$ d/ L3 E4 T+ ^
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( a' e! Z9 l, G: ]Part One. Aluminum body4 B2 d) y: F9 A# U" J1 N! f
1.Weight- for aluminum, the more heavy, the more thick the body , the better3 G0 a/ t* p* Z) X) e! c
2.Material- Aluminum is better than plastic or mix materials7 W' d. I, B* U, j# A- a
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Part Two. LED
5 _+ T0 Y7 X3 ~ r6 o6 e1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.3 O$ g( H+ H! `
2.Testing by aging equipment is more direct way
; e8 ^ s( ~+ O* t& ~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.
: L5 m6 V' I8 `( Q4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.+ t i, a: U# \( s0 o
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0 r0 n, R7 A; T2 l( b- D# APart Three. Driver, R; t# V0 H* r, \. C
1.Components- If you open the cover by screwing,the more components it has, the safer/better.$ X1 B' S# C4 I* g6 b
2.PF - the higher, the better.
$ k3 h. q% S! u0 \1 P4 M2.Appearance, weight, which you can check also.& C7 k2 @* r6 @* B. y6 C3 s
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Others
2 e' @+ T9 ?- H$ J7 DPainting, light guide panel ,and other components, you can see by eye.
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发表于 2015-12-8 13:22:20
|LED盘
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