Light adjusting glass

Patent metadata

Field	Value
Publication number	US-11520196-B2
Application number	US-202017251867-A
Country	US
Kind code	B2
Filing date	May 14, 2020
Priority date	May 24, 2019
Publication date	Dec 6, 2022
Grant date	Dec 6, 2022

Abstract

The present disclosure provides a light adjusting glass, including: a basic light adjusting structure and a functional light adjusting structure which are disposed in a laminated manner; the basic light adjusting structure is configured to adjust a transmittance of light rays irradiated on the basic light adjusting structure; the functional light adjusting structure is configured to reflect light rays in a specific wave band irradiated on the functional light adjusting structure.

First claim

The invention claimed is:

1. A light adjusting glass, comprising: a basic light adjusting structure and a functional light adjusting structure which are disposed in a laminated manner; wherein,
the basic light adjusting structure is configured to adjust a transmittance of light rays irradiated on the basic light adjusting structure;
the functional light adjusting structure is configured to reflect light rays in a specific wave band irradiated on the functional light adjusting structure,
wherein the functional light adjusting structure comprises: a first substrate and a second substrate which are disposed opposite to each other; and a first liquid crystal layer interposed between the first substrate and the second substrate; wherein,
the first liquid crystal layer is configured to reflect light rays in the specific wave bands under an action of an electric field generated between the first substrate and the second substrate,
wherein the first substrate comprises a first base, and a first electrode disposed on a side of the first base proximal to the first liquid crystal layer;
the second substrate comprises a second base and a second electrode disposed on a side of the second base proximal to the first liquid crystal layer; wherein,
the first electrode and the second electrode are both slit electrodes, and the first electrode and the second electrode are disposed in a crossed mode.

2. The light adjusting glass of claim 1 , wherein the first liquid crystal layer comprises a bistable liquid crystal layer.

3. The light adjusting glass of claim 1 , wherein
at least one of the first base and the second base proximal to the basic light adjusting structure is a flexible substrate.

4. The light adjusting glass of claim 1 , wherein the basic light adjusting structure comprises a third substrate, a fourth substrate, and a second liquid crystal layer interposed between the third substrate and the fourth substrate; wherein,
the second liquid crystal layer includes basic liquid crystal molecules and dichroic dye molecules, and is configured to be deflected under the control of an electric field generated between the third substrate and the fourth substrate, so as to control the transmittance of light rays.

5. The light adjusting glass of claim 4 , wherein the second liquid crystal layer includes chiral additive therein.

6. The light adjusting glass of claim 4 , wherein the third substrate comprises a third base, and a third electrode disposed on a side of the third base proximal to the second liquid crystal layer;
the fourth substrate comprises a fourth base and a fourth electrode disposed on a side of the fourth base proximal to the second liquid crystal layer; wherein,
the third electrode and the fourth electrode are both plate-shaped electrodes.

7. The light adjusting glass of claim 1 , wherein the basic light adjusting structure comprises a third substrate, a fourth substrate, and an electro-chromic layer interposed between the third substrate and the fourth substrate; wherein,
the electro-chromic layer controls light to transmit there-through or not under the control of an electric field generated between the third substrate and the fourth substrate.

8. The light adjusting glass of claim 1 , wherein
the basic light adjusting structure comprises a third base and a fourth base which are disposed opposite to each other, a third electrode disposed on a side of the third base proximal to the fourth base, a fourth electrode disposed on a side of the fourth base proximal to the third base, and a second liquid crystal layer disposed between the third electrode and the fourth electrode; wherein,
the second base is common to the third base.

9. The light adjusting glass of claim 1 , wherein
the basic light adjusting structure comprises a third base and a fourth base which are disposed opposite to each other, a third electrode disposed on a side of the third base proximal to the fourth base, a fourth electrode disposed on a side of the fourth base proximal to the third base, and an electro-chromic layer disposed between the third electrode and the fourth electrode; wherein,
the second base is common to the third base.

10. A light adjusting glass, comprising: a basic light adjusting structure and a functional light adjusting structure which are disposed in a laminated manner; wherein,
the basic light adjusting structure is configured to adjust a transmittance of light rays irradiated on the basic light adjusting structure;
the functional light adjusting structure is configured as being capable of reflecting infrared light irradiated on the functional light adjusting structure, and
wherein the functional light adjusting structure comprises: a first substrate and a second substrate which are disposed opposite to each other; and a first liquid crystal layer interposed between the first substrate and the second substrate;
the first liquid crystal layer is configured as being capable of reflecting infrared light under an action of an electric field generated between the first substrate and the second substrate,
the first liquid crystal layer comprises a bistable liquid crystal layer being capable of reflecting infrared light,
the first substrate comprises a first base, and a first electrode disposed on a side of the first base proximal to the first liquid crystal layer,
the second substrate comprises a second base and a second electrode disposed on a side of the second base proximal to the first liquid crystal layer, and
the first electrode and the second electrode are both plate-shaped electrodes.

Assignees

• Beijing Boe Optoelectronics Tech Co Ltd
• Boe Technology Group Co Ltd
• Beijing Boe Technology Dev Co Ltd

Inventors

• Wu Xiaojuan

Classifications

• B60J3/04

  adjustable in transparency · CPC title

• G02F1/157

  Structural association of cells with optical devices, e.g. reflectors or illuminating devices · CPC title

• E06B3/6722

  with adjustable passage of light · CPC title

• G02F1/155

  Electrodes · CPC title

• B32B17/10513

  Electrochromic layer · CPC title