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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." r& c, c, K* H" `, [. k/ N
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6 F: t0 `3 d6 b/ M4 DPart One. Aluminum body
5 |8 J) K: r) w; O4 | T1.Weight- for aluminum, the more heavy, the more thick the body , the better& s. f! `0 e% G
2.Material- Aluminum is better than plastic or mix materials; d% |- R- d) z Q3 A) y
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$ y3 `+ h- J* x+ k) a) VPart Two. LED
% n, M# B+ U5 _, L1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
) c' M, }6 W( k# \8 W2.Testing by aging equipment is more direct way) }0 y+ Q- y/ G5 |* B5 Z
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.2 \( s/ s3 o, Q. A* o5 k/ `
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.) g/ V0 o: X3 o9 i$ i
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6 d' w* [8 s0 V jPart Three. Driver) k: `) u, H8 a( F( n
1.Components- If you open the cover by screwing,the more components it has, the safer/better.
# s% l, H. Q' S3 [2.PF - the higher, the better.: d2 s0 g; i! m3 J- W+ ?
2.Appearance, weight, which you can check also.: z/ k0 ?6 p9 j1 H
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Others
0 \0 W$ E8 L5 _9 b% VPainting, light guide panel ,and other components, you can see by eye.- k! K: b. F9 T; Z
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发表于 2015-12-8 13:22:20
|LED盘
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