Method for labeling products with a transparent photoluminescent label, and transparent photoluminescent label
A method for marking a product (1) with a photoluminescent mark, said mark comprising a photoluminescent portion (10) which is transparent under normal light conditions and revealed by photoluminescence under UV illumination, said mark further comprising a non photoluminescent portion (9) which is transparent under normal light conditions as well as under UV illumination, said method comprising: deposing on said product a stack, said stack comprising alternatively layers (2, 4), such as AlN, with a thickness of less than 1 micron and layers (3) of a second material, such as GaN, with a thickness of less than 10nm; raising the transparency of said non photoluminescent portion (10) with a deposition of transparent material (6) or incorporation of ions into said non photoluminescent portions.
54884092
Alternative title(s) : (de) Verfahren zum etikettieren von produkten mit einem transparenten photolumineszenten etikett und transparentes photolumineszentes etikett (fr) Procédé d'étiquetage de produits avec une étiquette photoluminescente transparente, et étiquette photoluminescente transparente
TTO:6.1556
Patent number | Country code | Kind code | Date issued |
KR102595036 | KR | B1 | 2023-10-27 |
US11298968 | US | B2 | 2022-04-12 |
CN108699672 | CN | B | 2021-08-24 |
US2020369069 | US | A1 | 2020-11-26 |
US10752043 | US | B2 | 2020-08-25 |
JP6622910 | JP | B2 | 2019-12-18 |
JP2019501035 | JP | A | 2019-01-17 |
CN108699672 | CN | A | 2018-10-23 |
EP3380642 | EP | A1 | 2018-10-03 |
US2018257421 | US | A1 | 2018-09-13 |
KR20180085712 | KR | A | 2018-07-27 |
TWI596226 | TW | B | 2017-08-21 |
TW201718919 | TW | A | 2017-06-01 |
WO2017089857 | WO | A1 | 2017-06-01 |