专利名称：System and method for efficient illumination
in color projection displays
发明人：Gary J. Swanson申请号：US09895865申请日：20010629公开号：US06791756B2公开日：20040914
专利附图：
摘要：A multilevel optical phase element is illuminated with a light source having aplurality of wavelengths of interest. The multilevel phase element disperses light fromthe light source by diffraction and focuses the dispersed light onto an imaging plane. A
light modulating display in the imaging plane having a plurality of pixel elements isactuated. Each pixel element is assigned to transmit a predetermined spectral regionwithin the near field region of the multilevel display element so as to receive thedispersed and focused light from the multilevel optical phase element. A system fordisplaying a color image includes a light source emitting a plurality of wavelengths ofinterest, a multilevel optical phase element, and a light modulating electronic display.
申请人：MASSACHUSETTS INSTITUTE OF TECHNOLOGY
代理机构：Hamilton, Brook, Smith & Reynolds, P.C.
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