Mitsubishi WD-52627 Training Manual page 9

Lamp
Condensing Lens
The single device DLP Light Engine, shown in Figure
1-2, produces a color picture using a color wheel and
the "field sequential" method of displaying the red, green
and blue elements of the picture.
Lamp
Color Wheel
Shaping
Lens
Figure 1-2: DLP Light Engine
Dichroic
Mirror
Blue
Mirror
Green
Dichroic
Prism
Mirror Red
Figure 1-3: LCoS Light Engine
Relay
Lens
Figure 1-3 shows an LCoS engine in a 3 chip arrange-
ment. Like LCD, it produces each color individually.
And like DLP, it uses reflective light to produce the pic-
ture.
LCoS
Prism
TIR
Prism Prism
Prism
LCoS
1-3
Projection
Lens
TIR
Prism
DMD
TIR
Projection
Lens
X
TIR