Polarization glasses

Patent metadata

Field	Value
Publication number	US-9733495-B2
Application number	US-201514849494-A
Country	US
Kind code	B2
Filing date	Sep 9, 2015
Priority date	Jun 30, 2015
Publication date	Aug 15, 2017
Grant date	Aug 15, 2017

Abstract

Polarization glasses are provided. The polarization glasses include a frame, and a first lens and a second lens disposed within the frame. The first lens and the second lens each include a transparent substrate, an optical alignment base material and a carbon nanotube layer; the carbon nanotube layer is adhered to a surface of the transparent substrate through the optical alignment base material; the carbon nanotube layer includes multiple carbon nanotubes extending in a same direction, and the orientation of the optical alignment base material is parallel to the extension direction of the carbon nanotube. Since the carbon nanotube layer has a flat light absorption rate within a wide wave spectrum range, the polarization glasses may efficiently alleviate discomfort of human eyes caused by light, and the carbon nanotube layer may have an absorption and isolation effect on ultraviolet light.

First claim

What is claimed is:

1. Polarization glasses, comprising: a frame, and a first lens and a second lens disposed within the frame, wherein the first lens and the second lens each comprises:
a transparent substrate having a top surface;
an optical alignment base material disposed on the top surface of the transparent substrate, wherein the optical alignment base material has an alignment direction;
a plurality of carbon nanotubes in a respective carbon nanotube layer associated with one of the said lenses, configured to attach to the top surface of the transparent substrate through the optical alignment base material, wherein the plurality of carbon nanotubes in the same carbon nanotube layer extend along a-same direction, parallel to the alignment direction of the optical alignment base material; and a first sheet-shaped electrode and a second sheet-shaped electrode arranged to electrically connect to the carbon nanotube layer at the ends of the plurality of carbon nanotubes in the carbon nanotube layer.

2. The polarization glasses according to claim 1 , wherein each carbon nanotube in the carbon nanotube layer is connected to an adjacent carbon nanotube in the first direction end to end, by the van der Waals force.

3. The polarization glasses according to claim 1 , wherein the polarization glasses further comprises a first protective film and a second protective film, wherein the first protective film is disposed on a side of the first lens where the carbon nanotube layer is located, and the second protective film is disposed on a side of the second lens where the carbon nanotube layer is located.

4. The polarization glasses according to claim 1 , wherein the optical alignment base material comprises one or more of cellulose triacetate, polyimide and polyamide acid.

5. The polarization glasses according to claim 1 , wherein the extension direction of the plurality of carbon nanotubes in the first lens is not parallel to the extension direction of the plurality of carbon nanotubes in the second lens.

6. The polarization glasses according to claim 5 , wherein the extension direction of the plurality of carbon nanotubes in the first lens is perpendicular to the extension direction of the plurality of carbon nanotubes in the second lens.

7. The polarization glasses according to claim 1 , wherein the optical alignment base material on one of the first lens and the second lens is doped with a dichroic dye, and the dichroic dye's polarization direction is the same as the extension direction of the plurality of carbon nanotubes in the said lens.

8. The polarization glasses according to claim 7 , wherein a dichroic ratio of the dichroic dye is not smaller than 7.

9. The polarization glasses according to claim 8 , wherein the dichroic dye comprises one or more of an azo dye, an anthraquinone dye, a biphenyl dye, a triphenyl dioxazine and its derivative dye, a monomethine dye, a polymethine dye and a polycyclic dye.

10. The polarization glasses according to claim 1 , wherein the optical alignment base material penetrates into gaps between adjacent carbon nanotubes.

11. The polarization glasses according to claim 10 , wherein the optical alignment base material covers a surface of the carbon nanotube layer away from the transparent substrate.

12. The polarization glasses according to claim 11 , wherein there is a plurality of grooves extending in a same direction on the surface of the optical alignment base material away from the transparent substrate on each lens, and the extension direction of the grooves on each lens is parallel to the extension direction of the plurality of carbon nanotubes on the same lens.

13. The polarization glasses according to claim 12 wherein the first electrode and the second electrode are disposed along the extension direction of the plurality of carbon nanotubes on the same lens.

Assignees

• Xiamen Tianma Micro Electronics Co Ltd
• Tianma Microelectronics Co Ltd

Inventors

• Wei Sifan

Classifications

• G02C11/08

  Anti-misting means, e.g. ventilating, heating (H05B3/84 takes precedence); Wipers · CPC title

• G02C7/12 Primary

  Polarisers · CPC title

• B82Y20/00

  Nanooptics, e.g. quantum optics or photonic crystals · CPC title

• G02C2202/16

  Laminated or compound lenses · CPC title

• G02C7/022

  Ophthalmic lenses having special refractive features achieved by special materials or material structures (G02C7/049 takes precedence) · CPC title