Special application lamps

You're going to have a lot of competion. Your may want to look at the plethera of products available from Lithonia, Hubbell Lighting, Cooper Lighting, etc., etc.

Plus take in to consideration that fixtures for special applications like hazardous areas, medical facilities, and the like require extensive testing and cerification specific for those environements.

Here's a suggestion you might want to try out. Most people like to sun their wet clothing because indoor drying gives them a musty odor. Sunning them eliminates the odor due to UV sterilization. You might want to explore the possibility of a UV lamp that's powerful enough to sterilize the clothing and eliminate the musty odor, yet mild enough not to be harmful to the people using them. So far as I know, no one has done this before, so here is a large potential niche market for you to try out.