Roman letters are low-res.

What we mean by that is you can get away with fewer "dots" in an LED display to spell them out than you can with, say, Chinese; the latter's more sophisticated characters make reading them difficult without high-resolution.

Jiangmen Seekway Technology Ltd. makes a pretty cool 3D LED display that can render Chinese characters with clarity, not to mention spin them around in animations we'll one day have to learn to ignore when walking through Times Square, just as we learned to ignore blinking neon.

Ironically, the company has chosen to display their high-quality LED display in a crappy, lo-res YouTube video:

And just for kicks, below is what is reportedly the most complicated Chinese character (for a type of noodle):

Whatever store sells these noodles and uses an LED display saying so, is going to have a higher electricity bill!