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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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* t8 w, F/ s" @% W" }. UPart One. Aluminum body9 J" Q! d0 R# ^. w4 r
1.Weight- for aluminum, the more heavy, the more thick the body , the better
/ k8 y2 K( t2 t2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED8 i0 o2 N2 J' M
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
; T+ j0 i- b R: j2.Testing by aging equipment is more direct way
W; {8 _$ ^7 c1 N3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.
- I9 V5 D+ {: m, [# Q9 d4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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Part Three. Driver7 `/ F& X9 d; A" {/ T. r
1.Components- If you open the cover by screwing,the more components it has, the safer/better.
$ t8 P( G1 j2 ~6 V7 G2.PF - the higher, the better.
, g% s: h( F& x0 K& l6 R2.Appearance, weight, which you can check also.' S3 G# {4 Q# |5 D3 l0 ~# O- O& H: f
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Painting, light guide panel ,and other components, you can see by eye.
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