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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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2 |% g7 q2 o0 j, W/ T! XPart One. Aluminum body
% C! p$ t. j- E& C3 c1.Weight- for aluminum, the more heavy, the more thick the body , the better
* Y8 N+ [1 M* b1 S2.Material- Aluminum is better than plastic or mix materials
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( E, p" `, m2 N6 h% a5 R, FPart Two. LED
2 f( N1 o' R% Z, {: H5 ?1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.4 E# e; O% [* A5 c/ n' a; e8 Z6 r
2.Testing by aging equipment is more direct way1 n+ m6 m" M1 J
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.& b! E; {* E" R3 U2 N8 Q
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.3 K* C: x+ S9 a2 S" |! s8 Q; v2 x
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Part Three. Driver# y+ e0 Z) r9 Z* {1 x. s& ~+ S
1.Components- If you open the cover by screwing,the more components it has, the safer/better.* j0 j$ n' c3 H9 V7 L& ~) q
2.PF - the higher, the better.1 [+ h5 d. Y) ?8 H8 d. O) A
2.Appearance, weight, which you can check also.
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Others
' U2 e6 N2 c: XPainting, light guide panel ,and other components, you can see by eye./ V% K4 T) L7 N- A0 W# c% D
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