Acuity Brands, Inc. has announced that it has acquired for an undisclosed amount of cash the remaining outstanding capital stock of Herndon, VA-based Renaissance Lighting, Inc., a privately held manufacturer of architectural LED downlights. Previously, Acuity Brands had entered into a strategic partnership with Renaissance which included a $9.1 million investment in minority ownership in the company and a license to the company’s intellectual property estate, including its Constructive Occlusion optical system currently utilized in Acuity’s Gotham Ecos downlighting family.