Liquid crystal display device, quantum rods alignment plate and method for making the same

Patent metadata

Field	Value
Publication number	US-10175536-B2
Application number	US-201615109638-A
Country	US
Kind code	B2
Filing date	May 19, 2016
Priority date	Apr 19, 2016
Publication date	Jan 8, 2019
Grant date	Jan 8, 2019

Abstract

The present disclosure provides a liquid crystal display device, a quantum rods alignment plate and the method for making the same. The method includes following steps: providing a substrate; arranging a quantum rods layer on the substrate, the surface of the quantum rods layer has a first group, the first group includes an alignment group, the alignment group is used to align the liquid crystal. By the above method, the present disclosure can saving the cost of the production and can greatly increase the transmission and the brightness of the liquid crystal display device, and also enhance the display color gamut of the liquid crystal display device.

First claim

What is claimed is:

1. A method for manufacturing a quantum rods alignment plate, wherein, the manufacturing method comprises:
providing a substrate;
arranging a quantum rods layer on the substrate, the surface of the quantum rods layer has a first group, the first group comprises an alignment group, and the alignment group is used to align the liquid crystal
wherein, before the step of arranging a quantum rods layer on the substrate further comprises:
arranging a film on the substrate, the film comprises a second group, wherein the second group comprises a first binding group;
the step of arranging a quantum rods layer on the substrate specifically comprises: preparing a functional layer containing a plurality of quantum rods, the surface of the quantum rods has the first group, the first group further comprises a second binding group, the second binding group is combined with the first binding group to form the quantum rods as a flat state.

2. The manufacturing method according to claim 1 , wherein, before the step of arranging a film on the substrate comprises:
arranging an electrode on the substrate;
the step of arranging a quantum rods layer on the substrate further comprises:
energizing the electrode to form an electric field, so that the quantum rods in the flat state is rotated to form the alignment and the quantum rods layer will have the characteristics of polarization.

3. The manufacturing method according to claim 1 , wherein, the step of the second binding group combined with the first binding group comprises:
the first binding group combined with the second binding group through the effect of adsorption or bonding.

4. A quantum rods alignment plate, wherein, the quantum rods alignment plate comprises:
a substrate;
a quantum rods layer arranged on the substrate, a first group is arranged on the surface of the quantum rods layer, the first group comprises an alignment group, the alignment group is used to align the liquid crystal
wherein, the quantum rods alignment plate further comprises: a film arranged between the substrate and the quantum rods layer, the film comprises a second group, wherein the second group comprises a first binding group;
the quantum rods layer comprises a function layer with a plurality of quantum rods, the surface of the quantum rods has the first group, the first group further comprises a second binding group, the second binding group is combined with the first binding group to form the quantum rods as a flat state.

5. The quantum rods alignment plate according to claim 4 , wherein, the first binding group is combined with the second binding group through the effect of adsorption or bonding.

6. The quantum rods alignment plate according to claim 4 , wherein, the quantum rods alignment plate further comprises:
an electrode arranged between the substrate and the film, an electric filed is formed when energizing the electrode, so that the quantum rods in the flat state is rotated to form the alignment and the quantum rods layer will have the characteristics of polarization.

7. A liquid crystal display device, wherein, the liquid crystal display device comprises:
a first substrate arranged corresponding to a second substrate;
a liquid crystal layer arranged between the first substrate and the second substrate;
a quantum rods alignment plate arranged at least one side of the liquid crystal layer, wherein, the quantum rods alignment plate comprises:
a substrate;
a quantum rods layer arranged on the substrate, and a first group arranged on the surface of the quantum rods layer, the first group comprises an alignment group, the alignment group is used to align the liquid crystal
wherein, the quantum rods alignment plate further comprises: a film arranged between the substrate and the quantum rods, the film comprises a second group, and the second group comprises a first binding group;
the quantum rods layer comprises a function layer with a plurality of quantum rods, the surface of the quantum rods has the first group, the first group further comprises a second binding group, the second binding group is combined with the first binding group to form the quantum rods as a flat state.

8. The liquid crystal display device according to claim 7 , wherein, the first binding group is combined with the second binding group through the effect of adsorption or bonding.

9. The liquid crystal display device according to claim 7 , wherein, the quantum rods alignment plate further comprises:
an electrode arranged between the substrate and the film, an electric filed is formed when energizing the electrode, so that the quantum rods in the flat state is rotated to form the alignment and the quantum rods layer will have the characteristics of polarization.

10. The liquid crystal display device according to claim 7 , wherein, the quantum rods alignment plate is arranged on the both sides of the liquid crystal layer, the liquid crystal display device further comprises a polarizer, the polarizer arranged one side of the quantum rods alignment plate away from the liquid crystal layer is used to obtain a polarized light by affect with the quantum rods alignment plate.

11. The liquid crystal display device according to claim 7 , wherein, the quantum rods alignment plate is arranged one side of the liquid crystal layer, the liquid crystal display device further comprises a polarizer and an alignment film;
the polarizer arranged on the one side of the quantum rods alignment plate away from the liquid crystal layer is used to obtain a polarized light by affect with the quantum rods alignment plate;
the alignment film arranged on the other side of the liquid crystal layer is used to align the liquid crystal of the other side of the liquid crystal layer.

Assignees

• Shenzhen China Star Optoelect
• Shenzhen China Star Optoelect

Inventors

• Cheng Xiaoping

Classifications

• G02F1/1335

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

• G02F1/1337 Primary

  Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers · 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

• C09K11/08

  containing inorganic luminescent materials · CPC title

• C09K11/025

  non-luminescent particle coatings or suspension media · CPC title