module led beam angle testlhlights
when we are choosing a LED module for Sign or Lightbox.the beam angle is very important.Because different height,different beam angle,it will be different display without shadow.
In ordering to help our customer to choose good led module,we tested our every led module by Goniophotometers system.
Let us(LH Light) show you how we test it as below:
step1:fix led module
the led module need to be paralleled with tooling,then turn on the light.