Juhani says: October 26, 2015 at 3:28 am The problem is you need to get each of the light to 1cm x 1cm area. I've 100W led (8k lm) but I get a lot more light to display from one 1k lm Cree XM-L2. Next difficulty is the slender wavelength https://epson-projector-bulb-elpl89877.ka-blogs.com/89970815/the-smart-trick-of-bulb-life-epson-projector-that-nobody-is-discussing