This is the Shakespeare Theater on the Navy Pier in Chicago.   The sign stands approximately 38' tall, each letter is a 2' tall channel letter.

The use of fiber optics make this sign
unique in several ways.
The blue outline that you see on the surface of each letter is generated by 2000 - 80mil(2mm Diameter) fiber optic end points that are placed on 2" centers.The fiber optics reveal each letter from left to right, one at a time, until all are on, and then color cycles through in the same manner.