What is in the LightCrafter 4500 EVM?
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Figure 1-1. DLP LightCrafter 4500 Block Diagram
1.2.1 Light Engine
iView Limited developed the IPD 1231 light engine for the DLP LightCrafter 4500. As shown in Figure 1-2,
the light engine includes:
• DLP4500FQE DMD
• DMD heat sink
• Red, green, and blue LEDs
• Focus control
• Projection lens
The iView Light Engine is mounted on top of a large thermal plate to cool the module. The DLP4500 DMD
is mounted vertically between the DMD heat sink and the light engine. On the opposite side to the DMD,
the red and green LEDs are mounted between a thermal plate and the light engine. The blue LED is
mounted between a thermal plate and the light engine, next to the projection lens. An LED heat sink is
mounted behind the red and green LED thermal plate and thermally connected to the blue LED thermal
plate. A fan forces air across the LED heat sink to cool the LEDs.
The light engine, not including the LED heat sinks, has a length of 90.5 mm, width of 73.7 mm, and height
of 23.6 mm.
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DLP LightCrafter 4500 Module Overview DLPU011E–July 2013–Revised September 2015
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