Projectors: When Does 4K = 4K?

IN A WORLD where laptops have Retina® displays and most new PCs can output a 4K image, 4K resolution in projectors is in constant discussion.  Not surprising that people would like a higher resolution display for digital cinema, large venues, simulation, or want to take advantage of the technology to use a single 4K to replace arrays […]

LED Wall Technology: Your Executive Summary

The First LED Walls: Used discrete (individually packeaged)LEDs, one chip for each colour.  Usually that meant red, green or blue output. Each LED a heat sink and a plastic lens to focus light and to shield the LED. Cree’s 4mm LED. Image:Cree This method resulted in a fairly coarse pitch (and resulting resolution), as there was a limit […]