Illumination devices and methods of making same are disclosed. In one embodiment, a display device includes a light modulating array and a light guide configured to receive light into at least one edge of the light guide. The light guide can be characterized by a first refractive index. The display device...http://www.google.de/patents/US20100302616?utm_source=gb-gplus-sharePatent US20100302616 - ILLUMINATION DEVICES AND METHODS OF FABRICATION THEREOF
