Liquid crystal lens structure and electrical controlling liquid crystal glasses structure thereof

Patent metadata

Field	Value
Publication number	US-8928854-B2
Application number	US-201213644836-A
Country	US
Kind code	B2
Filing date	Oct 4, 2012
Priority date	Jul 11, 2012
Publication date	Jan 6, 2015
Grant date	Jan 6, 2015

Abstract

A liquid crystal lens structure and an electrical controlling liquid crystal glasses structure are disclosed. The liquid crystal lens structure includes first electrode layer, compositing layer, second electrode layer and third electrode layer. The compositing layer includes first alignment layer, first liquid crystal layer, including thin-film layer, second liquid crystal layer and second alignment layer. The first alignment layer is disposed on the first electrode layer. The first liquid crystal layer is disposed on the first alignment layer. The compositing thin-film layer includes liquid crystal and polymer material and the compositing thin-film layer is disposed on the first liquid crystal layer. The second liquid crystal layer is disposed on the compositing thin-film layer. The second alignment layer is disposed on the second liquid crystal layer. The second electrode layer is disposed on the second alignment layer. The third electrode layers are disposed on the second electrode layer.

First claim

What is claimed is:

1. A liquid crystal lens structure comprising:
a first electrode layer;
a composite layer comprising; and
a first alignment layer disposed on the first electrode layer;
a first liquid crystal layer disposed on the first alignment layer;
a composite thin film layer having a liquid crystal and a polymer material, the composite thin film layer being disposed on the first liquid crystal layer;
a second liquid crystal layer disposed on the composite thin film layer; and
a second alignment layer disposed on the second liquid crystal layer;
a second electrode layer disposed on the second alignment layer; and
a third electrode layer disposed on the second electrode layer;
wherein alignment directions of the first alignment layer and the second alignment layer are orthogonal to each other, and alignment directions of the liquid crystal and the polymer material within the composite thin film layer are orthogonal to each other.

2. The liquid crystal lens structure of claim 1 , further comprising a first substrate and a second substrate, wherein the first electrode layer is disposed on the first substrate and the second substrate is disposed between the second alignment layer and the second electrode layer.

3. The liquid crystal lens structure of claim 2 , wherein materials of the first substrate and the second substrate comprise metal, high impedance materials of 0.1 MΩ/□ to 100MΩ/□ or a glass.

4. The liquid crystal lens structure of claim 2 , wherein the first substrate and the second substrate are designed as curvature structures of an ellipse, a circle or a Fresnel structure.

5. The liquid crystal lens structure of claim 1 , wherein the first liquid crystal layer and the second liquid crystal layer are made of different liquid crystal materials.

6. The liquid crystal lens structure of claim 1 , wherein the liquid crystal lens structure is electrically controlled to form a positive lens or a negative lens or a combination thereof.

7. An electronic controlling liquid crystal lens structure comprising:
a corrective lens; and
a liquid crystal lens structure comprising:
a first electrode layer;
a composite layer comprising; and
a first alignment layer disposed on the first electrode layer;
a first liquid crystal layer disposed on the first alignment layer;
a composite thin film layer having a liquid crystal and a polymer material, the composite thin film layer being disposed on the first liquid crystal layer;
a second liquid crystal layer disposed on the composite thin film layer; and
a second alignment layer disposed on the second liquid crystal layer;
a second electrode layer disposed on the second alignment layer; and
a third electrode layer disposed on the second electrode layer;
wherein alignment directions of the first alignment layer and the second alignment layer are orthogonal to each other, and alignment directions of the liquid crystal and the polymer material within the composite thin film layer are orthogonal to each other, and the liquid crystal lens structure is disposed to any surface of the corrective lens or doped in the corrective lens.

8. The electronic controlling liquid crystal lens structure of claim 7 , wherein the liquid crystal lens structure further comprises a first substrate and a second substrate, wherein the first electrode layer is disposed on the first substrate and the second substrate is disposed between the second alignment layer and the second electrode layer.

9. The electronic controlling liquid crystal lens structure of claim 8 , wherein materials of the first substrate and the second substrate comprise metal, high impedance materials of 0.1 MΩ/□ to 100MΩ/□ or a glass.

10. The electronic controlling liquid crystal lens structure of claim 8 , wherein the first substrate and the second substrate are designed as curvature structures of an ellipse, a circle or a Fresnel structure.

11. The electronic controlling liquid crystal lens structure of claim 7 , wherein the first liquid crystal layer and the second liquid crystal layer are made of different liquid crystal materials.

12. The electronic controlling liquid crystal lens structure of claim 7 , wherein the liquid crystal lens structure is electrically controlled to form a positive lens or a negative lens or a combination thereof.

Assignees

• Liqxtal Technology Inc
• Univ Nat Chiao Tung

Inventors

• Chen Hung-Shan
• Lin Yi-Hsin

Classifications

• G02B3/08

  with discontinuous faces, e.g. Fresnel lens {(diffractive Fresnel lenses G02B5/1876)} · CPC title

• G02F1/29 Primary

  for the control of the position or the direction of light beams, i.e. deflection · CPC title

• G02F1/13306

  Circuit arrangements or driving methods for the control of single liquid crystal cells (G02F1/132, G02F1/133382 take precedence) · CPC title

• G02F1/294

  Variable focal length devices · CPC title

• G02F1/13706

  the liquid crystal having positive dielectric anisotropy · CPC title