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.


7 u9 T* S+ h0 {0 fPart One. Aluminum body
1.Weight- for aluminum, the more heavy, the more thick the body , the better
2.Material- Aluminum is better than plastic or mix materials


0 R! `7 q6 [% w) U2 a( yPart Two. LED
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
2.Testing by aging equipment is more direct way
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.
4 F: C3 [8 u1 I1 j4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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) h' j2 P' t  Y" Q! D8 YPart Three. Driver
; s% z3 ?) n9 [1.Components- If you open the cover by screwing,the more components it has, the safer/better.
2 q/ f; M7 B  P6 O" q3 K4 T2.PF - the higher, the better.
2.Appearance, weight, which you can check also.


Others
$ b' u+ N+ V" `: gPainting, light guide panel ,and other components, you can see by eye.

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