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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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7 o# ~+ B( m6 V- WPart One. Aluminum body
$ T& r* _; F) u- m, I$ M6 z: {1.Weight- for aluminum, the more heavy, the more thick the body , the better
7 g# L& ^! p& h2.Material- Aluminum is better than plastic or mix materials
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! \% k4 ~* D7 w0 E* C. a4 M) ?Part Two. LED
" y3 ]! c+ X; |9 T3 o+ Y1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands., r4 l' k+ ^3 J
2.Testing by aging equipment is more direct way6 q" Y0 B. h- K3 P
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.0 }( O m8 i) g/ F0 r5 }* o4 J% d6 i
4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.8 J$ @* T1 @9 d' c* b
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Part Three. Driver
. V" E2 T. `6 l/ o9 Q! X1.Components- If you open the cover by screwing,the more components it has, the safer/better.
& `) B& ?+ @3 y# A2 Z+ U9 I2.PF - the higher, the better.
6 H$ Z9 N+ b/ V7 v# F/ E3 Q2.Appearance, weight, which you can check also." [! N( y& V5 @5 U+ r8 }9 R
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Others
f* {: @ X4 O; C# }Painting, light guide panel ,and other components, you can see by eye.3 F# \/ b3 H' q
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发表于 2015-12-8 13:22:20
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