|
|
The structure for LED ceiling panel is simple, it mainly consists of 3 parts mainly, let's do it one by one.2 I9 h2 r( r& q
. X) D2 t0 G5 e# C; O( \- X( O" z
6 a. C6 L9 q& n! g8 k
Part One. Aluminum body" E/ O4 {* W" j0 Y& G3 u
1.Weight- for aluminum, the more heavy, the more thick the body , the better
! X' U- S' V/ M6 W& ~1 j2.Material- Aluminum is better than plastic or mix materials
1 p% c. Z7 ]$ S( M& o( E
: J z) c( r% {& y
' H8 a! X9 ?8 R8 [! @* lPart Two. LED& I0 \ `* g- O( N, w: B
1.Brand- There're many brands, Epistar(Taiwan brand) is the most competitive, San'an is best in Chinese brands.% {- i& ]: P1 ]3 ~; \# Y
2.Testing by aging equipment is more direct way
6 S( Y' _2 m$ m' J+ Q' G) X9 E3.Brightness- this is complex, <50lm/W and >120lm/W are neither good. Low lumens means low brightness, >120lm/W maybe high decay=short lifespam.
) I1 \* g3 {/ ~# u" s& r) M4.Average of lightoutput- When you look at the light, it is average, but not somewhere dark, somewhere bright.
2 {1 H% c9 l$ o+ K% f% k8 W% u/ d0 k% }- |4 z) s3 O) V& s1 o
: V5 N3 v- j% O: I/ F/ k
' a- X8 z; L" f9 z% B" o
* I) u l7 N' M
Part Three. Driver) ?3 k% [; W+ V6 B: z1 o
1.Components- If you open the cover by screwing,the more components it has, the safer/better.
3 y* H6 j b1 I2.PF - the higher, the better.) ^' a+ T1 Z+ v9 ]
2.Appearance, weight, which you can check also.
+ e4 @3 Z( S/ J6 U6 i
2 ?) P/ ? |# o) Y7 O' U8 A9 M! e7 L3 X& Z
Others
& f" w: x5 x' x4 x2 Q' ?( lPainting, light guide panel ,and other components, you can see by eye.7 X! s' Z+ R/ I1 E5 ^+ ^
' \ P9 T0 D' D" Q- p* k9 l |
|