| 摘要 |
The present invention employs integral photography (IP) technology, and it relates to a three dimensional surface sheet using total reflection. More specifically, it relates to an invention of a three dimensional surface sheet which is aesthetically pleasing and vivid, wherein the obverse surface on one side of a sheet is formed with a lens array of hemispherical convex lenses arranged lengthwise and breadthwise while the reverse surface on the other side comprises a relief or impressed uneven pattern formed at the surface total reflection angle, and, as seen from the front of the convex lenses, the uneven patterns appear enlarged and at the same time appear like a design sparkling like diamonds which either appears to rise out into empty space or to recede deeper than the surface in a three dimensional fashion. The present invention described hereinabove can be achieved by means of a three-dimensional surface sheet characterised in that it is obtained from the integration of a convex-lens layer (10) and a transparent thick layer (20) and an uneven patterned layer (30); and the said convex-lens layer (10) comprises moulded transparent plastic or glass, the upper surface of which is formed with hemispherical convex lenses (11) arranged lengthwise and breadthwise in a perpendicular intersecting pattern; the said transparent thick layer (20) is positioned below the convex-lens layer (10) and has a thickness (t1) for adjusting the focal length of the convex lenses (11); and the uneven patterned layer (30) is characterised in that, at the bottom surface of the thick layer (20), a relief or impressed pattern has the structure of an uneven pattern array at an angle which is the same as the convex-lens layer (10), and the cross sectional form of the individual elements (31) thereof comprises a total reflection angle (35)in plan with respect to the three-dimensional viewing point.
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