A quick mockup to see if LED strips aligned at an angle could produce readable scrolling type.

fiw_LED_mockup.pde

PGraphics theMask;
PImage imageMask;
String s = "Fresno Ideaworks LED Panel Test";
int xOffset;
int xInc = 200 / 11;

void generateMask() {
  theMask = createGraphics(width, height);
  theMask.beginDraw();
  theMask.stroke(255);
  theMask.strokeWeight(1);
  for (int i = -80; i < width + 100; i += xInc) {
    theMask.line(i, 0, i - (xInc * 4), height);
  }
  theMask.endDraw();
  imageMask = createImage(width, height, ALPHA);
  imageMask.copy(theMask, 0, 0, width, height, 0, 0, width, height);
}

void setup() {
  size(300, 100);
  generateMask();
  smooth();
  xOffset = width;
  rectMode(CENTER);
}

void draw() {
  background(0);

  PGraphics visual = createGraphics(width, height);
  visual.beginDraw();  
  visual.textSize(height + 30);
  visual.textAlign(LEFT, CENTER);
  visual.text(s, xOffset, height / 2 - 15);
  visual.endDraw();
   
  xOffset = xOffset - 2;
  if (xOffset < -2000) {
    xOffset = width;
  }

  imageMask.mask(visual);
  image(imageMask, 0, 0);
}