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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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6 p2 z9 C& L/ b8 Y% O( O! k, LPart One. Aluminum body$ p4 f) z2 B' I
1.Weight- for aluminum, the more heavy, the more thick the body , the better
- N1 a9 }; ~: D2.Material- Aluminum is better than plastic or mix materials) W! c" l2 q% T
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7 u& m; W5 L; J" QPart Two. LED3 C1 x: [/ u. P6 a! p4 f
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
$ i: s0 W5 p' I; N3 G6 e2 E8 `6 X& T2.Testing by aging equipment is more direct way% U. a) L/ }6 ~* F7 @
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.
/ N( c; o' F+ Q# z$ c: k4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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0 ]1 H9 Z" l7 g* pPart Three. Driver
1 |& m; c* h; Z9 `; ^. ^: C7 n1.Components- If you open the cover by screwing,the more components it has, the safer/better.- g" O4 K& D" x9 W; b! I$ d
2.PF - the higher, the better.* v; r6 ] v) g: D( v8 ?
2.Appearance, weight, which you can check also.
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Others
$ ]% W7 d( M4 g6 B" e) p4 I8 DPainting, light guide panel ,and other components, you can see by eye./ Q( k+ j: |+ q C( g
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发表于 2015-12-8 13:22:20
|LED盘
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