**The Worlds Most Effective ALR Projection Screen Technology** With the help of Obsidian's proprietary projection panel technology, NOW projection is a viable alternative to costly LCD video walls for large digital displays that are subject to harsh indoor lighting conditions, and is often the better choice! Obsidian offers cutting-edge ambient-light-rejecting (ALR) projection screens, utilizing Obsidian Nano-Filter(TM) technology to achieve the world’s highest contrast ratios & viewing angles for ambient-lit front-projection environments. Our projection screens offer market leading performance at competitive pricing, suitable for all environments & markets that suffer from strict ambient lighting conditions, such as: retail, board/conference room, theaters/lecture halls, large public display, sales centers and many more!