A projection system is provided. The projection system comprises a projector for producing a polarized light for projecting an image and a projection screen on which the image projected by the projector is visualized. The polarization plane of the polarized light and the polarization plane of the polarizing means are parallel. The polarizing means comprises a film formed by rodlike supramolecules including at least one polycyclic organic compound with conjugated .pi.-systems, whereby the 40% viewing angle transmittance iso-line of the polarizing means of the screen has an aspect ratio of not less than 2.

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