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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Part 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

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Part Two. LED
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
/ k8 S# F/ f9 ~- c2.Testing by aging equipment is more direct way
  C: @/ t' }1 h+ n% h3.Brightness- this is complex, <50lm/W and >120lm/W are neither good.  Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.
, `7 c* M- n- {( e$ n  t# ]4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.

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$ x  r+ D$ h. {) a4 X- i( }Part Three. Driver
+ W2 ~) T' b: _6 u$ H1.Components- If you open the cover by screwing,the more components it has, the safer/better.
" h, i5 z( c7 ^0 x5 e0 @* q2.PF - the higher, the better.
( R$ r& T* O4 y: _# V" f2.Appearance, weight, which you can check also.
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Others
Painting, light guide panel ,and other components, you can see by eye.
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