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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. L% k, I- b& M9 ~" d4 D
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7 u9 T* S+ h0 {0 fPart One. Aluminum body8 G* ~( T3 y) s5 d3 z
1.Weight- for aluminum, the more heavy, the more thick the body , the better1 p* s/ r8 I( ]4 P* I
2.Material- Aluminum is better than plastic or mix materials, C4 m3 p. B; O& z5 ]
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0 R! `7 q6 [% w) U2 a( yPart Two. LED; K) j3 m7 e& I. Z: v9 {, l1 t
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.! M/ n! I' p9 |# }% m
2.Testing by aging equipment is more direct way! y7 R3 o, m8 C# @
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.' P) X* M& n0 S0 o' I6 \+ k& M- f7 K
2.Appearance, weight, which you can check also.5 o, f, ]9 I$ @' L4 j& M, e% i: y
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Others
$ b' u+ N+ V" `: gPainting, light guide panel ,and other components, you can see by eye./ w/ c8 f9 t4 Q2 f
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