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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.5 r; Y0 M" S0 [. q9 ~
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8 j5 _/ g D, j2 MPart One. Aluminum body
# y3 d! H$ J: p- w6 O1.Weight- for aluminum, the more heavy, the more thick the body , the better
' w* y+ j+ a2 T8 `* D2.Material- Aluminum is better than plastic or mix materials
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Part Two. LED
# \! K. {! r" S t/ C1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.) }+ u, z x8 E- F1 F0 u
2.Testing by aging equipment is more direct way
7 Z/ x5 [2 b2 U3 H* e% c) S3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.
1 U- l* \: O4 k; j* o, O) T5 }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
! _' Z9 E! `6 ~2 k) X% P, K/ |2 e1.Components- If you open the cover by screwing,the more components it has, the safer/better.
" \+ v( M5 ^! ^& d/ m+ s6 F2.PF - the higher, the better.
# X% h) D% w4 }0 l1 I$ m! O2.Appearance, weight, which you can check also.
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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
|LED盘
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