I am just a beginner at these, Anne, but I do know that the huge Vanilla at Selby botanical garden lives up in the rafters of the greenhouse pretty much year 'round, so it's getting some very bright light. It has huge, long leaves, at least 10in. and does bloom, although the flowers only last a day, so keep your eye on it!
There are a lot of orchids that do well with some direct sun, even down here in FL.