We've always assumed that it's a branding thing, which I can understand. But as Tambay asked in a post a couple of weeks ago:
I wonder if he'll ever drop the "Tyler Perry's" that begins almost all of his titles. It might actually work in his favor. I'd like to watch a Tyler Perry film without knowing beforehand that it's a Tyler Perry film, because my reactions might actually be a bit different. I think there's a certain amount of *baggage* that's automatically assumed, when some of us see his name in front of the title of any film, and we might be taking that *baggage* with us into the theater.
While it doesn't look like he'll be dropping his name from the titles of his movies, Perry did state why his name precedes the titles of his films when he was on Jimmy Fallon's show a couple of days ago, plugging Temptation.
Fallon asked him about it, and this is what Perry had to say, which is pretty much what we figured all along.