Standard for LED ceiling panel quality checking by eye sight

ledlight

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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# M$ s  X, r7 }. d, _1 ePart One. Aluminum body
1.Weight- for aluminum, the more heavy, the more thick the body , the better
; _/ f1 U4 p* k4 D6 X0 E3 R2.Material- Aluminum is better than plastic or mix materials
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% y" i3 e7 s7 B/ WPart Two. LED
2 J# Z: B0 k5 Z; o2 y" u9 r1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
( O8 T1 U/ @) y# T( W/ k' [+ h2.Testing by aging equipment is more direct way
0 w; F6 o+ L- V/ F5 o$ T) R0 B, S0 q3.Brightness- this is complex, <50lm/W and >120lm/W are neither good.  Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.
2 e3 o/ [- H2 v0 j* b1 u4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.




Part Three. Driver
1.Components- If you open the cover by screwing,the more components it has, the safer/better.
4 F9 ?: ~& R5 b. N9 u2.PF - the higher, the better.
2.Appearance, weight, which you can check also.
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Others
; v  }+ P3 \+ B5 @) K* _7 f/ gPainting, light guide panel ,and other components, you can see by eye.