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CYCLOPS (2001-12) R5976426 3-3
Figure 3-1
Poly-Silicon TFT-LCD
The LCD panels are based on Poly-Silicon technology. Poly-Silicon material consists of nu-
merous small crystals leading to small circuitry. The results are a big aperture (ratio of a pixel’s
shutter area to it’s total area), high speed and reliability. The panels have 1,310,720 (SXGA
1280×1024) pixels.
3.1.4 Screen Module
The image is generated in the screen module.
Two kinds of screens are available, a double element Fresnel-Lenticular screen with a high gain
and a single element diffusion screen, which, due to its excellent white field uniformity, is recom-
mended when sitting close to the wall.
Fresnel-Lenticular Screen
The screen is a double element system with 4 active lens surfaces for optimum light control. It
combines high brightness uniformity with a fine pitch and wide viewing angles. The rear element
consists of a Fresnel lens which directs all projected light forwards at a right-angle. The first len-
ticular lens on the front element of the screen controls vertical viewing angles. The unique profile
of the wide angle lenticular lens distributes the light horizontally.
Fresnel Lens
The Fresnel lens deflects the light coming from the projection lens system such that it falls
perpendicularly onto the lenticular screen.
Lenticular Lens
The lenticular lens guarantees that the light is distributed horizontally.