Mitsubishi Electric Digital Light Processing WD-52525 Technical Training Manual page 9

DMD™
Lens
Color
Filter
Lamp
Figure 1-5: Overall DLP™ Color System
the DMD is directed through a Projection lens to the
Projection Screen.
Figure 1-6 shows a close up of a DMD IC. What ap-
pears to be a single mirror on the IC is actually close to
one million individual mirrors, refer to Figure 1-7.
Figure 1-8 shows that the tilt of each mirror is controlled
by changing tilt to either ±10 degrees. The tilt of the
mirror determines if the light from the mirror passes
through the Projection Lens to the screen (light pixel), or
Figure 1-6: Digital Micromirror Device™
to a light absorber (dark pixel), refer to Figure 1-9.
-10
+10
Figure 1-8: ±10 Degree Mirror Tilt
Figure 1-7: Micro Mirrors
1-4