An image projecting device is presented. The device comprises an SLM pixel arrangement; and two lens arrays. The lens arrays are respectively located at opposite surfaces of the SLM pixel arrangement and are integral with the SLM pixel arrangement, forming together with the SLM pixel arrangement a common...http://www.google.co.uk/patents/US7128420?utm_source=gb-gplus-sharePatent US7128420 - Image projecting device and method