Optical devices with colored reflector layer

Patent metadata

Field	Value
Publication number	US-12044859-B2
Application number	US-201816023409-A
Country	US
Kind code	B2
Filing date	Jun 29, 2018
Priority date	Jun 29, 2018
Publication date	Jul 23, 2024
Grant date	Jul 23, 2024

Abstract

An optical device includes a colored reflector layer having a first surface, a second surface opposite the first surface, and a third surface; and a selective light modulator layer external to the first surface of the colored reflector layer. A method of making an optical device is also disclosed.

First claim

What is claimed is:

1. An optical device, comprising:
a colored reflector layer having a first surface, a second surface opposite the first surface;
and a third surface, wherein the colored reflector layer includes copper, bronze, a colored organic material, a colored organic compound, sulfides, chlorides, fluorides, titanates, zirconates, rare earth doped CaF 2 , transition metal-doped SrTiO 3 and CaTiO 3 , iron-doped sodalite, sulfur-doped sodalite, or metal coordination complexes; and
a selective light modulator layer directly on the first surface of the colored reflector layer, the selective light modulator layer being a dry film;
wherein the selective light modulator layer includes a host material that is an organic polymer, particles dispersed in the host material, a photoinitiator and at least one additive chosen from (i) an oxygen inhibition mitigation composition, (ii) a leveling agent and (iii) a defoamer;
wherein the particles include colorants, color shifting pigments, quantum dots, micelles, metal oxides, metal sulfides, chalcogenides, carbonates, fluorides, or mixtures thereof;
wherein the colored reflector layer is a first color and the selective light modulator layer is a second color different from the first color,
wherein the organic polymer includes polyesters, polyolefins, polycarbonates, polyamides, polyimides, polyurethanes, acrylics,

acrylates, polyvinylesters, polyethers, polythiols, fluorocarbons, epoxies, polyurethanes, melamine formaldehyde, urea formaldehyde, phenol formaldehyde, epoxies, vinyls, or styrenes.

2. The optical device of claim 1 , wherein the colored organic material includes polyacetylene, polypyrroles, or polyanilines.

3. The optical device of claim 1 , wherein the colored reflector layer does not include aluminum or a white-colored material.

4. The optical device of claim 1 , wherein the selective light modulator layer is a first selective light modulator layer; and further including a second selective light modulator layer external to the second surface of the colored reflector layer.

5. The optical device of claim 1 , wherein at least two surfaces of the colored reflector layer are open to air.

6. The optical device of claim 1 , wherein the colored reflector layer is red and the selective light modulator layer is blue.

7. The optical device of claim 1 , wherein the organic polymer includes polyesters, polycarbonates, polyamides, polyimides, polyurethanes, acrylics, polyvinylesters, polyethers, polythiols, epoxies, polyurethanes, melamine formaldehyde, urea formaldehyde, phenol formaldehyde, epoxies, vinyls, or styrenes.

8. The optical device of claim 1 , wherein the colored organic compound is a metallic organic compound.

9. The optical device of claim 1 , wherein the selective light modulator layer includes (i) the oxygen inhibition mitigation composition, (ii) the leveling agent, and (iii) the defoamer.

10. The optical device of claim 9 , wherein the colored reflector layer includes a colored organic material, a colored organic compound, chlorides, fluorides, titanates, zirconates, rare earth doped CaF2, transition metal-doped SrTiO3 and CaTiO3, iron-doped sodalite, sulfur-doped sodalite, or metal coordination complexes.

11. A method of making an optical device, comprising:
depositing a colored reflector layer on a substrate, wherein the colored reflector layer includes a copper, bronze, a colored organic material, a colored organic compound, sulfides, chlorides, fluorides, titanates, zirconates, rare earth doped CaF 2 , transition metal-doped SrTiO 3 and CaTiO 3 , iron-doped sodalite, sulfur-doped sodalite, or metal coordination complexes;
depositing a selective light modulator layer directly onto the colored reflector layer using a liquid coating process; and
curing the selective light modulator layer to form a dry film selective light modulator layer;
wherein the dry film selective light modulator layer includes a host material that is an organic polymer, particles dispersed in the host material, a photoinitiator and at least one additive chosen from (i) an oxygen inhibition mitigation composition, (ii) a leveling agent and (iii) a defoamer;
wherein the particles include colorants, color shifting pigments, quantum dots, micelles, metal oxides, metal sulfides, chalcogenides, carbonates, fluorides, or mixtures thereof,
wherein the organic polymer includes polyesters, polyolefins, polycarbonates, polyamides, polyimides, polyurethanes, acrylics,

acrylates, polyvinylesters, polyethers, polythiols, fluorocarbons, epoxies, polyurethanes, melamine formaldehyde, urea formaldehyde, phenol formaldehyde, epoxies, vinyls, or styrenes.

12. The method of claim 11 , wherein the selective light modulator layer is a first selective light modulator layer, and further comprising depositing a second selective light modulator layer between the substrate and the colored reflector layer.

13. The method of claim 11 , wherein the colored reflector layer is not subjected to passivation.

14. The method of claim 11 , wherein the colored reflector layer improves a color attribute of the selective light modulator layer.

15. The method of claim 11 , wherein the colored reflector layer is deposited using a physical vapor deposition process.

16. The method of claim 11 , wherein the colored reflector layer includes a colored non-metal including organic materials.

17. The method of claim 11 , wherein the liquid coating process is chosen from a slot die process, slot-bead, slide bead, slot curtain, slide curtain and tensioned web slot process.

18. An optical device, comprising:
a colored reflector layer having a first surface, a second surface opposite the first surface;
and a third surface, wherein the colored reflector layer includes a copper, bronze, a colored organic material, a colored organic compound, sulfides, chlorides, fluorides, titanates, zirconates, rare earth doped CaF 2 , transition metal-doped SrTiO 3 and CaTiO 3 , iron-doped sodalite, sulfur-doped sodalite, or metal coordination complexes; and
a selective light modulator layer directly on the first surface of the colored reflector layer, the selective light modulator layer being a dry film;
wherein the selective light modulator layer includes a host material that is an organic polymer, particles dispersed in the host material, a photoinitiator and at least one additive chosen from (i) an oxygen inhibition mitigation composition, (ii) a leveling agent and (iii) a defoamer;
wherein the particles include colorants, color shifting pigments, quantum dots, micelles, metal oxides, metal sulfides, chalcogenides, carbonates, fluorides, or mixtures thereof;
wherein the colored reflector layer is a first color and the selective light modulator layer is a second color the same as the first color;
wherein the organic polymer includes polyesters, polyolefins, polycarbonates, polyamides, polyimides, polyurethanes, acrylics,

acrylates, polyvinylesters, polyethers, polythiols, fluorocarbons, epoxies, polyurethanes, melamine formaldehyde, urea formaldehyde, phenol formaldehyde, epoxies, vinyls, or styrene.

19. The optical device of claim 18 , wherein the colored reflector layer is red and the selective light modulator layer is red.

20. The optical device of claim 18 , wherein the selective light modulator layer includes (i) the oxygen inhibition mitigation composition, (ii) the leveling agent, and (iii) the defoamer.

Assignees

• Viavi Solutions Inc

Inventors

• Zieba Jaroslaw
• Seydel Johannes P
• Liang Kangning

Classifications

• G02B26/0816

  by means of one or more reflecting elements · CPC title

• G02B1/04

  made of organic materials, e.g. plastics (G02B1/08 takes precedence) · CPC title

• G02B5/26

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

• C09C2200/40

  Interference pigments comprising an outermost surface coating · CPC title

• C09C2200/307

  Thickness of an outermost protective layer · CPC title