Funny how word associations get skewed sometimes, isn't it? Then it
is kind of like barnstorming; which direction/word to fly/use do I choose...
>>So...a screen-sized evergreen for planting under an evergreen; that's a tough one when it's also in deep shade.
The only solution I can think of right now is maybe a decorative fence section for the actual screening, with smaller plants of either type (more choices here) shade plants in front of it?