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.
* ~) ?- n0 @8 r  W( P8 O2.Testing by aging equipment is more direct way
& s9 C+ x) k/ x/ x- P, t3.Brightness- this is complex, <50lm/W and >120lm/W are neither good.  Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.
: Z) E) j, v- z  ]4 I& ^# N4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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; v/ V( p+ f, s( _Part Three. Driver
3 N: ^# R# V1 J( ]  ]8 t1.Components- If you open the cover by screwing,the more components it has, the safer/better.
2.PF - the higher, the better.
1 C" Z  f4 T0 c+ _& }7 Y2.Appearance, weight, which you can check also.


Others
Painting, light guide panel ,and other components, you can see by eye.

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