Structurally-colored articles and methods for making and using structurally-colored articles

Patent metadata

Field	Value
Publication number	US-11397283-B2
Application number	US-202017136697-A
Country	US
Kind code	B2
Filing date	Dec 29, 2020
Priority date	Sep 29, 2017
Publication date	Jul 26, 2022
Grant date	Jul 26, 2022

Abstract

One or more aspects of the present disclosure provide optical element transfer structures that include an optical element releasably coupled with a transfer medium and methods of making and using the optical element transfer structures. The optical element transfer structures can be used to dispose an optical element onto an article, whereby the optical element imparts a structural color to the article.

First claim

What is claimed is:

1. An optical element transfer structure comprising:
a transfer medium having a first surface that has a textured surface and a second surface, and
an optical element having a first side disposed on at least a portion of the first surface of the transfer medium, wherein the optical element includes an optical layer, and wherein the first side of the optical element has a textured surface.

2. The optical element transfer structure of claim 1 , wherein the optical element includes a multilayer reflector or a multilayer filter.

3. The optical element transfer structure of claim 2 , wherein the optical element has at least two layers, including at least two adjacent layers having different refractive indices.

4. The optical element transfer structure of claim 2 , wherein at least one of the layers of the optical element has a thickness that is about one-fourth of the wavelength of visible light to be reflected by the optical element to produce the structural color.

5. The optical element transfer structure of claim 2 , wherein at least one of the layers of the optical element comprises a material selected from the group consisting of: silicon dioxide, titanium dioxide, zinc sulphide, magnesium fluoride, tantalum pentoxide, and a combination thereof.

6. The optical element transfer structure of claim 1 , wherein the first surface of the transfer medium includes a release material comprising polyolefins, silicones, polyurethanes, or a combination thereof.

7. The optical element transfer structure of claim 6 , wherein the release material has a softening or melting temperature of from about 105 degrees C. to about 140 degrees C.

8. The optical element transfer structure of claim 1 , wherein the second surface of the transfer medium comprises cellulose.

9. The optical element transfer structure of claim 1 , wherein the transfer medium is release paper.

10. The optical element transfer structure of claim 1 , wherein the optical element has a thickness of about 50 nanometers to about 500 nanometers.

11. The optical element transfer structure of claim 1 , wherein a second side of the optical element further comprises a thermoplastic material.

12. The optical element transfer structure of claim 11 , wherein the thermoplastic material has a softening or melting point of from about 80 degrees C. to about 140 degrees C.

13. The optical element transfer structure of claim 11 , wherein the thermoplastic material comprises an elastomeric thermoplastic material.

14. The optical element transfer structure of claim 11 , wherein the thermoplastic material includes one or more thermoplastic polyurethanes.

15. The optical element transfer structure of claim 2 , wherein each of the layers of the optical element, independently, has a thickness of about 10 nanometers to about 500 nanometers.

16. The optical element transfer structure of claim 1 , wherein the optical element further comprises a primer layer.

17. The optical element transfer structure of claim 16 , wherein the primer layer has a percent transmittance of about 40 percent or less.

18. The optical element transfer structure of claim 3 , wherein the layers are configured to impart a structural color having a blue hue.

19. The optical element transfer structure of claim 2 , wherein the layers of the optical element are configured to impart a structural color having a single hue.

20. The optical element transfer structure of claim 2 , wherein the optical element comprises:
a first layer compositionally comprising a metalloid;
a second layer disposed on the first layer compositionally comprising a titanium dioxide;
a third layer disposed on the second layer compositionally comprising silicon dioxide; and
a fourth layer disposed on the third layer compositionally comprising titanium dioxide;
wherein the layers are configured to impart a structural color having a blue hue.

Assignees

• Nike Inc

Inventors

• Bee Jennifer
• Gantz Jeremy
• Kovel Kim

Classifications

• G02B5/26

  Reflecting filters (G02B5/28 takes precedence) · CPC title

• A43B13/22

  Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer · CPC title

• B32B27/18

  characterised by the use of special additives · CPC title

• A43B23/24

  Ornamental buckles; Other ornaments for shoes without fastening function · CPC title

• C09D7/61

  inorganic · CPC title