The new display is autostereoscopic – it creates 3D images that can be viewed from different
Light field displays operate based onreproducing light reflected from an object in such a way that it corresponds to the actual visible position. Autostereoscopic light field displays produce different images for different viewing angles, so a large amount of information must be processed to make the picture visible from all angles.
The new display optically converts the display volume of an object into a projection volume for an integral image by automatically displaying beams through a microlens array.
The converted information can be broadcast on a large screen using a projection lens.
Tests have shown that the new development can synthesize a volumetric image measuring 21.4 cm x 21.4 cm x 32 cm and 36 times the resolution of the original image.
Our optical design can be used forReplacing flat 2D displays with 3D images, for example for digital signage or educational aids: the new technology will significantly improve the perception of information.
Byungho Lee, Fellow at Seoul National University in Korea
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