Arrangement for two-dimensional or three-dimensional representation
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United States of America Patent
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app pub date -
Apr 15, 2004
filing date -
Apr 16, 2003
priority date (Note) -
Abandoned
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Abstract
The invention relates to arrangements for the display of images of a scene or object, that alternatively provides either a three-dimensional or plain two-dimensional visual appearance to several viewers without any aids. In particular, the invention relates to an arrangement comprising a transflective image display device, a plane wavelength filter array arranged behind the image display device (in a viewer's viewing direction), and an illuminator arranged behind the wavelength filter array (in a viewer's viewing direction), in which, in a first mode of operation, light of the illuminator reaches the viewer passing through at least a share of the light-transparent filter elements and subsequently through a share, assigned to them, of the pixels of the image display device, so that the scene or object is visible to the viewer in three dimensions, and, in a second mode of operation, light incident on the front side of the image display device is used, thanks to the transflective properties of the latter, to illuminate it as homogeneously as possible, so that at least part of the scene or object is visible to the viewer in two dimensions.
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