| 摘要 |
A projection system using a sequential color filter is provided. The sequential color filter utilizes red, green, and blue segments with an additional segment that allows brighter yellows and higher color temperatures to be formed efficiently. In an embodiment the additional segment comprises a mixed-transmission level region that partially blocks some of the green and red wavelengths. In another embodiment, an additional segment comprises a notch filter that allows shorter and longer wavelengths to pass, but blocks at least some of the intermediate wavelengths. In other embodiments, other segments, such as a white segment, a yellow segment, a cyan segment, a magenta segment, shades thereof, combinations thereof, and/or the like may be added.
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