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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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+ z# ~* N- q# \& APart One. Aluminum body
! b* W" E& f4 S; @" A: U7 c1.Weight- for aluminum, the more heavy, the more thick the body , the better
/ `1 B) V: k9 i2.Material- Aluminum is better than plastic or mix materials0 P6 A6 D% Z* t, h
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' l. b H( _7 A5 pPart Two. LED
' `5 _+ a3 {- v" s, s9 z1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.
5 Q" l) U. `) G9 \6 _- f, D2.Testing by aging equipment is more direct way0 @/ p) a. F6 @1 p7 S s3 M! G- I
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.
: U e& v8 S, [+ g8 J3 g/ |4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
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Part Three. Driver
" \) _1 V, X9 i; z5 @9 P3 e2 r3 |1.Components- If you open the cover by screwing,the more components it has, the safer/better.# L8 G" Q. M) U4 c4 w$ E
2.PF - the higher, the better.' ~* \) N' I7 T8 ?( e/ G9 Y
2.Appearance, weight, which you can check also.$ B. J6 r5 M. a7 x+ ~ N' R
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Others
3 c: V( |; _4 v% [4 {Painting, light guide panel ,and other components, you can see by eye.
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发表于 2015-12-8 13:22:20
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