A fluorescent luminaire has a luminaire housing, a lens frame positioned within the luminaire housing, the lens frame having a first side frame member and a second side frame member connected to a first end frame member and a second end frame member, a flexible plastic lens having a length, wherein a...http://www.google.ca/patents/US7950833?utm_source=gb-gplus-sharePatent US7950833 - Splay frame luminaire
