3D spectacle lens and method for driving the same, and 3D glasses and method for driving the same

Patent metadata

Field	Value
Publication number	US-10992925-B2
Application number	US-201816103826-A
Country	US
Kind code	B2
Filing date	Aug 14, 2018
Priority date	Jan 24, 2018
Publication date	Apr 27, 2021
Grant date	Apr 27, 2021

Abstract

The present disclosure provides a 3D spectacle lens and a method for driving the same, and a 3D glasses and a method for driving the same. The 3D spectacle lens includes: a first substrate and a second substrate arranged opposite to each other; and a guest-host liquid crystal layer arranged between the first substrate and the second substrate, the guest-host liquid crystal layer including liquid crystal molecules and dichroic dye molecules.

First claim

What is claimed is:

1. A three-dimensional (3D) spectacle lens, comprising:
a first substrate and a second substrate arranged opposite to each other;
a guest-host liquid crystal layer arranged between the first substrate and the second substrate, the guest-host liquid crystal layer comprising liquid crystal molecules and dichroic dye molecules; and
an electrode structure arranged between the guest-host liquid crystal layer and the second substrate,
wherein the electrode structure comprises a first electrode and a second electrode insulated from each other, and the first electrode and the second electrode are located on a same side of the guest-host liquid crystal layer, wherein the first electrode and the second electrode are arranged in different layers, an insulating layer is arranged between the first electrode and the second electrode, and the first electrode is a comb-like electrode and the second electrode is a planar electrode, and wherein the first electrode includes a plurality of first sub-electrodes spaced from each other, and orthographic projections of the first sub-electrodes on the second substrate are all located inside an orthographic projection of the second electrode on the second substrate.

2. The 3D spectacle lens of claim 1 , wherein a mass percentage of the dichroic dye molecules in the guest-host liquid crystal layer is 0.5% to 2.5%.

3. The 3D spectacle lens of claim 1 , wherein the dichroic dye molecules comprise azo dye molecules.

4. The 3D spectacle lens of claim 1 , wherein the dichroic dye molecules comprise a trans isomer azo dye molecules.

5. The 3D spectacle lens of claim 1 , wherein the 3D spectacle lens further comprises a λ/4 wave plate arranged on a light-entering side of the 3D spectacle lens.

6. The 3D spectacle lens of claim 1 , wherein the first electrode and the second electrode are arranged in a same layer and both are comb-like electrodes.

7. The 3D spectacle lens of claim 1 , wherein the 3D spectacle lens further comprises an alignment layer arranged between the first substrate and the second substrate and on both sides of the guest-host liquid crystal layer.

8. 3D glasses, comprising the 3D spectacle lens of claim 1 .

9. The 3D glasses of claim 8 , wherein a mass percentage of the dichroic dye molecules in the guest-host liquid crystal layer is 0.5% to 2.5%.

10. The 3D glasses of claim 8 , wherein the dichroic dye molecules comprise azo dye molecules.

11. The 3D glasses of claim 8 , wherein the dichroic dye molecules comprise trans isomer azo dye molecules.

12. The 3D glasses of claim 8 , wherein the 3D spectacle lens further comprises a λ/4 wave plate arranged on a light-entering side of the 3D spectacle lens.

13. A method for driving the 3D spectacle lens of claim 1 , comprising:
applying a driving electric field to the guest-host liquid crystal layer such that the liquid crystal molecules in the guest-host liquid crystal layer drive the dichroic dye molecules in the guest-host liquid crystal layer to deflect under the control of the driving electric field.

14. The method of claim 13 , wherein the applying the driving electric field to the guest-host liquid crystal layer such that the liquid crystal molecules in the guest-host liquid crystal layer drive the dichroic dye molecules in the guest-host liquid crystal layer to deflect under the control of the driving electric field comprises:
applying the driving electric field to the guest-host liquid crystal layer such that an optical axis of each dichroic dye molecule in the 3D spectacle lens is perpendicular to a polarization direction of a received linearly polarized light beam under the control of the driving electric field; or
applying the driving electric field to the guest-host liquid crystal layer such that an optical axis of each the dichroic dye molecule in the 3D spectacle lens is parallel to a polarization direction of a received linearly polarized light beam under the control of the driving electric field.

15. A method for driving the 3D glasses of claim 8 , the 3D glasses comprising a first 3D spectacle lens and a second 3D spectacle lens, the method comprising:
determining a target 3D spectacle lens from the first 3D spectacle lens and the second 3D spectacle lens; and
applying a first driving electric field to a target guest-host liquid crystal layer in the target 3D spectacle lens, such that the target 3D spectacle lens is capable of allowing a received linearly polarized light beam to pass therethrough.

16. The method of claim 15 , further comprising:
determining a non-target 3D spectacle lens from the first 3D spectacle lens and the second 3D spectacle lens; and
applying a second driving electric field to a non-target guest-host liquid crystal layer in the non-target 3D spectacle lens, such that the non-target 3D spectacle lens is incapable of allowing a received linearly polarized light beam to pass therethrough.

Assignees

• Boe Technology Group Co Ltd
• Chengdu Boe Optoelect Tech Co

Inventors

• Zuo Xiongcan

Classifications

• G02B30/25

  using polarisation techniques · CPC title

• G02B5/3025

  Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state (G02B5/3008, G02B5/3016 take precedence) · CPC title

• G02F1/13363

  Birefringent elements, e.g. for optical compensation · CPC title

• G02F1/133638

  Waveplates, i.e. plates with a retardation value of lambda/n · CPC title

• G02B30/24 Primary

  involving temporal multiplexing, e.g. using sequentially activated left and right shutters · CPC title