| 摘要 |
An improved imaging apparatus having an expanded color gamut defined by more than three vertex colors for forming a color image on a display surface, that includes: a light source including at least one dichroic combiner for transmitting a first vertex color and reflecting a second vertex color toward a color combining element that directs, along an illumination axis, a colored illumination beam having, at any one time, any one of at least four different vertex colors; a linear array of electromechanical grating devices for receiving the colored illumination beam along the illumination axis; an obstructing element for blocking a zeroth order light beam reflected from the linear array of electromechanical grating devices from reaching the display surface; a projection lens cooperating with a scanning element, and a logic control processor.
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