how do i light up large number of led when rendering??

i have to make led sign board with large number of led's and i want to write some alphabet with led glowing and remaining not glowing. with RGB color code 255,191,0....

2 Answers

these are the parts

My job is designer led screens and I have never modeled each pixel but rather the modules and added images on them. I do not think you should model dels panels with all pixels in 3d. There are many ways to illustrate what you want, everything depends on your need. But I doubt that modeling each pixel and then simulate lettering is realistic.