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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  D' l4 ?; R" n- k! nPart One. Aluminum body
1.Weight- for aluminum, the more heavy, the more thick the body , the better
7 \; ~. ~" f2 \) E$ g2.Material- Aluminum is better than plastic or mix materials
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) U* D, S% i! B$ E; PPart 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
) ]  K: n( R( m% D: H5 E3 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.
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.

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1 c; \$ G7 g# N. X' x9 kPart Three. Driver
1.Components- If you open the cover by screwing,the more components it has, the safer/better.
% b2 B1 `0 h; X1 ~$ V/ t- D- C2.PF - the higher, the better.
2.Appearance, weight, which you can check also.
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Others
6 e% U, l& j# _3 _! @0 R5 ~Painting, light guide panel ,and other components, you can see by eye.
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