Thanks Don, refinement to a DPD that allows for...me to not understand this at all. I'll leave it to Don or Jim to explain the benfits if they like...

Optics am not easy

this is some lofty science. Directly patterned color emitter on a sub-pixel.

http://pdfaiw.uspto.gov/.aiw?Docid=20180219051&homeurl=http%3A%2F%2Fappft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPG01%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsrchnum.html%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D%25252220180219051%252522.PGNR.%2526OS%3DDN%2F20180219051%2526RS%3DDN%2F20180219051&PageNum=&Rtype=&SectionNum=&idkey=A13605C6DC15