US 12,377,675 B2
Personalizable multi-colour security features
Nina Larina, Carnoux-en-Provence (FR); Jarmo Nikkila, Vantaa (FI); Stefan Egli, Uster (CH); and Jean-Luc Lesur, Bras (FR)
Assigned to THALES DIS FRANCE SAS, Meudon (FR)
Appl. No. 18/552,233
Filed by THALES DIS FRANCE SAS, Meudon (FR)
PCT Filed Mar. 25, 2022, PCT No. PCT/EP2022/057996
§ 371(c)(1), (2) Date Sep. 25, 2023,
PCT Pub. No. WO2022/200605, PCT Pub. Date Sep. 29, 2022.
Claims priority of application No. 21305380 (EP), filed on Mar. 26, 2021.
Prior Publication US 2024/0165985 A1, May 23, 2024
Int. Cl. B42D 25/41 (2014.01); B42D 25/387 (2014.01)
CPC B42D 25/41 (2014.10) [B42D 25/387 (2014.10)] 14 Claims
OG exemplary drawing
 
1. A data carrier extending along an extension direction (E) and comprising:
at least one first colour element,
wherein the first colour element exhibits an appearance under a first illumination and/or exhibits an appearance under a second illumination being different from the first illumination;
at least one second colour element,
wherein the second colour element exhibits an appearance under the first illumination being different from the appearance of the first colour element under the first illumination and/or exhibits an appearance under the second illumination that is different from the appearance of the first colour element under the second illumination;
at least one personalization element, and
at least one security element,
 wherein the first colour element and the second colour element are arranged staggered along the extension direction (E),
 wherein the security element at least partially comprises the first colour element, the second colour element and the personalization element, and
 wherein the security element exhibits a first appearance under the first illumination and a second appearance being different from the first appearance under the second illumination,
wherein the personalization element is generated from a processing element, and
wherein the processing element corresponds to a C-doped layer and/or to one or more polymers and/or to thermal ink, and wherein the personalization element corresponds to an opaque mark, or
wherein the processing element corresponds to one or more pigments, and wherein the personalization element corresponds to a bleaching, or
wherein the processing element corresponds to thermochromic ink and/or photochromic ink, and wherein the personalization element corresponds to a colour change, or
wherein the processing element corresponds to one or more pigments and/or photochromic ink and/or thermochromic ink, and wherein the personalization element corresponds to a transparency change, or
wherein the processing element corresponds to a varnish and/or ink with one or more metallic particles that are ablated upon irradiation with electromagnetic radiation (R), and wherein the personalization element corresponds to an ablation.