Sourcing LED Array Boards

TimmyD16

TimmyD16

New member
Hey there,

Anyone out there have any idea where I can source the de-popped LED Array boards? Akin to what they use on the Lumia or Aurora or many of the other multichip boards out there?

I would love to setup an LED array of custom LEDs not consisting of those ugly star boards or huge heatsinks...

Thanks for any help.
 
Preferably a 5x5 chip grid or something that when using 3W chips will be between 60 and 100 Watts of LED power... 4 or more channels for controllability...
 
 
Last edited:
Are you looking for custom ones or already made ones? I've been working on the custom pcb way, since i couldn't find anything that fit my criteria and price range... I am planning to use luxeon rebels for colors, and bridgelux V8s for white. Currently i have 6 blue, 6 RB, 3 cyan, 3 lime, a 3000K and a 2800K planned for each board:

light.gif


For scale, the 'big' square is 12.5mm. Whole thing is 63 x 43mm, or roughly 2.5" x 1.7".

If you are looking for premade boards, knowing what lights you plan to use is important. These guys offer a 7 rebel round puck, blank or filled, but the cost is pretty steep for even the bare puck... Luxeon Star I didn't search for any boards made for cree leds, but those can probably be found too.
 
Ideally it would be something already made, but I'm not afraid of making my own, I just know how difficult it is to find these things, so I can only imagine how difficult it would be to source MCPCBs...

That luxeon star you linked Gorgok is super interesting, but you're very right, it's pretty pricy for what it is... What are you doing for heat mitigation on that custom board? or are those the traces under the light portions?
 
There are some pretty intriguing Cree XPE 4x5 arrays around ebay... But finding my "perfect" color combo is proving impossible... I might end up just sacrificing my ideals for convenience...
 
Other than soldering the thermal pad to the board and tieing them together where convenient i didn't plan to do anything much more fancy to it. Not sure tieing them together helps any, but it does add some area for the heat to transfer through the dielectric. Nothing as fancy as the sink pad thing at least where it looks like they have no dielectric between the thermal pad and the base. But really how much of a thermal barrier that presents i don't know. You would think they use a fairly good thermal conductive dielectric on a mcpcb as that is the generally the goal...

Still haven't decided where to get it done though.
 
It's just annoying because there are so many of those generic led arrays (actually I was looking at some of the ones by the ebay seller above), and it seems they all use the same board, but I can't find just the board!!! uhg....
 
TimmyD16 said:
It's just annoying because there are so many of those generic led arrays (actually I was looking at some of the ones by the ebay seller above), and it seems they all use the same board, but I can't find just the board!!! uhg....
Click to expand...

Ask them for just the boards, I bet they will sell them to you pretty darn cheap!
 
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