Granted Patent B2

US 12,587,606 · App. 18/519,027 · Granted Mar 24, 2026

Inventor: Beauregard Boutmans (Wielsbeke, BE)

Assignee: Unilin, BV

H04N1/60B44C1/16H04N1/6047H04N1/6055

Abstract

Claims (56)

1 . A method for manufacturing a decorative sheet, the method comprising:

a) providing a first printed substrate having a first substrate with a first decorative image that has been printed using an analog printing technique;

b) acquiring a digital copy of the first decorative image, thereby obtaining a first master image;

c) performing at least a hyperspectral measure on the first decorative image, thereby obtaining a first color profile;

d) printing the first master image on a second substrate using a digital printing technique thereby obtaining a second printed substrate having a second decorative image;

e) performing at least a hyperspectral measure on the second decorative image, thereby obtaining a second color profile;

f) comparing the first and the second color profiles and determine a similarity index between the first and the second color profiles;

g) if the similarity index is below a threshold value, performing an image processing operation on the first master image to obtain a second master image;

h) repeating d) to g) until the similarity index is equal to or above the threshold value;

wherein c) is performed after the first printed substrate is subjected to a predetermined operation that cause a color shift in the first decorative image; and

wherein e) is performed after the second printed substrate is subjected to the predetermined operation.

2 . The method according claim 1 , wherein the first substrate and/or the second substrate comprises a base paper, or a thermoplastic foil.

3 . The method according to claim 1 , wherein the second substrate comprises an ink receiver layer.

4 . The method according to claim 1 , wherein the predetermined operation is selected from the group comprising: impregnating, heating, pressing, gluing, covering with a transparent layer and/or laminating.

5 . The method according to claim 1 , wherein the printing in d) is performed via inkjet printing.

6 . The method according to claim 1 , wherein the second substrate comprises one or more features in common with the first substrate.

7 . The method according to claim 1 , wherein the first and/or the second color profile is determined using a spectrophotometer, an optical scanner or a photographic camera.

8 . The method according claim 1 , wherein the first substrate and/or the second substrate are subjected to multiple predetermined operations each causing a color shift.

9 . The method according to claim 8 , wherein the first and the second color profiles measured after each predetermined operation are stored in a database.

10 . The method according to claim 9 , further comprising:

planning one or more predetermined operation to be performed on the decorative sheet; and

determining the second and/or the first color profile, or determining an ICC profile, on the basis of the plan and of the sets of color profiles stored in the database.

11 . The method according claim 1 , wherein a third and a fourth color profile are respectively determined for the first and/or the second substrate, before performing the predetermined operation.

12 . The method according to claim 1 , wherein an ICC profile is determined from the first color profile; and

wherein the method comprises setting a display device using the ICC profile and performing the image processing operation while visualizing the first master image using the ICC profile.

13 . The method according to claim 1 , wherein the predetermined operation is performed multiple times on multiple first substrates and/or second substrates; and

wherein one first color profile and one second color profile is respectively determined for each first substrate and second substrate.

14 . The method according to claim 1 , wherein the printing in d) is performed using one or more inks.

15 . The method according to claim 1 , wherein the inks are selected from the group comprising: cyan, magenta, red, yellow, black, light cyan, light magenta, light red.

16 . The method according to claim 1 , wherein the first and/or the second color profile and/or an ICC profile are determined via a software.

17 . A method for manufacturing a decorative sheet, the method comprising:

a) providing a first printed substrate having a first decorative image that has been printed using an analog printing technique;

b) acquiring a digital copy of the first decorative image, thereby obtaining a first master image;

c) performing at least a hyperspectral measure on the first decorative image, thereby obtaining a first color profile;

d) determining an ICC profile from the first color profile;

e) setting a display device using the ICC profile and performing an image processing operation while visualizing the first master image using the ICC profile thereby obtaining a second master image;

f) printing the second master image on a second substrate using a digital printing technique thereby obtaining a second printed substrate having a second decorative image;

wherein c) is performed after the first printed substrate is subjected to a predetermined operation that cause a color shift in the first decorative image.

18 . The method according to claim 17 , further comprising:

I) performing at least a hyperspectral measure on the second decorative image, thereby obtaining a second color profile;

wherein the hyperspectral measure is performed after the second substrate is subjected to a predetermined operation;

II) comparing the first and the second color profiles and determine a similarity index between the first and the second color profiles;

III) if the similarity index is below a threshold value, performing the image processing operation on the master image to obtain a further master image;

repeating I) to III) until the similarity index is equal to or above the threshold value.

19 . A method for manufacturing a decorative sheet, the method comprising:

a) providing a first printed substrate having a first printed decorative image;

b) acquiring a digital copy of the first printed decorative image, thereby obtaining a first master image;

c) performing at least a hyperspectral measure on the first printed decorative image, thereby obtaining a first color profile;

d) printing the first master image on a second substrate using a digital printing technique thereby obtaining a second printed substrate having a second decorative image;

e) performing at least a hyperspectral measure on the second decorative image, thereby obtaining a second color profile;

f) comparing the first and the second color profiles and determine a similarity index between the first and the second color profiles;

g) if the similarity index is below a threshold value, performing an image processing operation on the first master image to obtain a second master image;

h) repeating d) to g) until the similarity index is equal to or above the threshold value;

wherein b) is performed after the first printed substrate is subjected to a predetermined operation that cause a color shift in the first printed decorative image; and

wherein e) is performed after the second printed substrate is subjected to the predetermined operation.

20 . The method according to claim 19 , wherein the first printed decorative image on the first printed substrate is obtained using a digital printing technique.

Assignments (2)

Priority Claims (1)

Continuity (1)

References Cited (16)