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DLP™ Single-chip Projection
DLP™ Single-chip projectors are uses in pre-show applications where image quality is not the primary factor. In a projector with a single DMD (Digital Micromirror Device) chip, colors are produced by placing a spinning color wheel between the lamp and the DMD. The DMD chip is synchronized with the rotating motion of the color wheel so that the green component is displayed on the DMD when the green section of the color wheel is in front of the lamp. The same is true for the red and blue sections. The red, green, and blue images are thus displayed sequentially at a sufficiently high rate that the observer sees a composite "full color" image.
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