| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a high contrast front projector and a screen. <P>SOLUTION: The high contrast front projection system includes the reflective screen configured to reflect light in a plurality of narrow-band frequencies, and the projector configured to emit light substantially in the narrow-band frequencies. The narrow-band frequencies are centered on red 201, green 202 and blue 203 colors such that the reflective screen reflects about 90% of light at the plurality of narrow-band frequencies and only less than 10% of light at other frequencies. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
