High chroma flakes

Patent metadata

Field	Value
Publication number	US-11214689-B2
Application number	US-201715633619-A
Country	US
Kind code	B2
Filing date	Jun 26, 2017
Priority date	Jun 27, 2016
Publication date	Jan 4, 2022
Grant date	Jan 4, 2022

Abstract

An article including a reflector having a first surface and a second surface opposite the first surface; a first selective light modulator layer external to the first surface of the reflector; a second selective light modulator layer external to the second surface of the reflector; a first absorber layer external to the first selective light modulator layer; and a second absorber layer external to the second selective light modulator layer; wherein each of the first and second selective light modulator layers include a host material is disclosed herein. Methods of making the article are also disclosed.

First claim

We claim:

1. An article comprising:
a reflector having a first surface and a second surface opposite the first surface;
a first selective light modulator layer external to the first surface of the reflector;
a second selective light modulator layer external to the second surface of the reflector;
a first absorber layer external to the first selective light modulator layer, and having a physical thickness from about 1 nm to about 50 nm; and
a second absorber layer external to the second selective light modulator layer;
a third selective light modulator layer external to the first absorber layer;
a fourth selective light modulator layer external to the second absorber layer;
wherein each of the first, second, third, and fourth selective light modulator layers include a curing agent, a leveling agent, a photoinitiator, and a host material chosen from thermoplastics, thermosets, and energy curable materials.

2. The article of claim 1 , wherein the host material in the first selective light modulator layer is different from the host material in the second selective light modulator layer.

3. The article of claim 1 , wherein the host material in the first selective light modulator layer is the same as the host material in the second selective light modulator layer.

4. The article of claim 1 , wherein a thickness of the first selective light modulator layer is different from a thickness of the second selective light modulator layer.

5. The article of claim 1 , wherein a thickness of the first selective light modulator layer is the same as a thickness of the second selective light modulator layer.

6. The article of claim 1 , wherein at least one of the first, second, third, and fourth selective light modulator layers further includes a selective light modulator system.

7. The article of claim 6 , wherein the selective light modulator system in the first selective light modulator layer is different from a selective light modulator system in the second selective light modulator layer.

8. The article of claim 6 , wherein the selective light modulator system in the first selective light modulator layer is the same as a selective light modulator system in the second selective light modulator layer.

9. The article of claim 6 , wherein the first selective light modulator layer includes the selective light modulator system and the host material; and the second selective light modulator layer includes the host material.

10. The article of claim 1 , wherein the host material includes at least one of polyesters, polyolefins, polycarbonates, polyamides, polyimides, polyurethanes, acrylics, acrylates, polyvinylesters, polyethers, polythiols, silicones, fluorinated carbon-chain polymers, epoxies, melamine formaldehyde, urea formaldehyde, phenol formaldehyde, vinyls, vinyl esters, and styrenes.

11. The article of claim 6 , wherein the selective light modulator system includes selective light modulator molecules, selective light modulator particles, and additives.

12. The article of claim 11 wherein the selective light modulator particles include organic pigments, inorganic pigments, quantum dots, TiO 2 , ZrO 2 , In 2 O 3 , In 2 O 3 —SnO, SnO 2 , Fe x O y , WO 3 , ZnS, and Cu x S y , micelles, chalcogenides, carbonates, fluorides, and mixtures thereof.

13. A color shifting colorant comprising: the article of claim 1 ;
and a liquid medium.

Assignees

• Viavi Solutions Inc

Inventors

• Seydel Johannes
• Tevis Mark
• Liang Kangning
• Kuna Jeffrey James
• Zieba Jaroslaw
• Kohlmann Paul Thomas

Classifications

• B32B7/02

  Physical, chemical or physicochemical properties · CPC title

• C09C1/006

  consisting of a metal or an alloy · CPC title

• C09C2200/303

  Thickness of a layer with low refractive material · CPC title

• C09C1/0033

  consisting of a metal or an alloy · CPC title

• C09C1/0066

  consisting of at least one coloured inorganic material · CPC title