Patent ID: 7407313

Claim:
A display, comprising: an illumination system, wherein the illumination system comprises: a light source that emits light comprising a first optical characteristic; a plurality of light guides optically coupled to the light source, wherein each light guide comprises an input surface and an output surface; emissive material positioned to receive light from at least one light guide of the plurality of light guides, wherein the emissive material emits light comprising a second optical characteristic when illuminated with light comprising the first optical characteristic; and a first interference reflector positioned between the emissive material and the output surfaces of the plurality of light guides, wherein the first interference reflector substantially transmits light comprising the first optical characteristic and substantially reflects light comprising the second optical characteristic; and a spatial light modulator optically coupled to the illumination system, wherein the spatial light modulator comprises a plurality of controllable elements operable to modulate at least a portion of light from the illumination system.