Patent ID: 8500268
Filing Date: 2013-08-06
Classification: B41J,B41M,Y10T

Abstract:
1. A method of making a panel comprising an imperforate sheet of colored or colorless light permeable material partially printed with a print pattern comprising a plurality of ink layers, said ink layers comprising a base layer, said ink layers comprising a design layer, said design layer comprising a design color layer, said print pattern comprising a plurality of connected and/or unconnected print pattern elements, said print pattern subdividing the panel into a plurality of areas of said print pattern and/or a plurality of unprinted areas of said light permeable material, and wherein the percentage of unprinted light permeable material is at least 5% and the light transmissivity of the panel is at least 10%, wherein a cross-section can be taken through said panel comprising two outer edges of said sheet of light permeable material and alternate printed portions and unprinted portions and a plurality of said printed portions comprising a part of said base layer and a plurality of said plurality of said printed portions comprising a part of said design layer, characterized in that all of said plurality of ink layers comprise UV cured ink comprising an agglomeration of overlapping and/or contiguous and/or spaced individual deposits of UV cured ink, said method comprising: (i)providing a substantially imperforate sheet of colored or colorless light permeable material, and (ii) printing both said base layer and said design layer by a digital inkjet printer, wherein all said plurality of ink layers comprise UV cured ink printed by said digital inkjet printer, and wherein all said plurality of ink layers are applied within said printed portions and are not applied within said unprinted portions, wherein said printing is undertaken in a printing sequence, and wherein at one point in time during said printing sequence there are at least two more of said plurality of ink layers printed within one of said printed portions than the number of said plurality of ink layers printed within another of said printed portions.