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Polymer dispersed liquid crystal material, display apparatus containing same and preparation method thereof

A technology for dispersing liquid crystals and liquid crystal materials, applied in liquid crystal materials, instruments, chemical instruments and methods, etc., can solve the problems of high voltage of PDLC film, easy to be affected by environmental temperature, etc., and achieve stable performance with low driving voltage, no shrinkage and no deformation , the effect of a wide range of raw materials

Active Publication Date: 2014-03-05
BEIJING BAYI SPACE LCD MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the technical defects of high voltage and easy to be affected by ambient temperature of the existing PDLC film, the purpose of the present invention is to provide a low-voltage, wide-temperature polymer dispersed liquid crystal (PDLC) material

Method used

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  • Polymer dispersed liquid crystal material, display apparatus containing same and preparation method thereof
  • Polymer dispersed liquid crystal material, display apparatus containing same and preparation method thereof
  • Polymer dispersed liquid crystal material, display apparatus containing same and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The components and formulations of the polymer-dispersed liquid crystal material described in this embodiment are shown in Table 1.

[0056] Table 1: Components of Example 1

[0057]

[0058]

Embodiment 2

[0060] The components and formulations of the polymer-dispersed liquid crystal material described in this embodiment are shown in Table 2.

[0061] Table 2: Example 2 components

[0062]

Embodiment 3

[0064] The components and formulations of the polymer-dispersed liquid crystal material described in this embodiment are shown in Table 3.

[0065] Table 3: Example 3 components

[0066]

[0067]

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Abstract

The invention relates to a polymer dispersed liquid crystal (PDLC) material which is low in voltage and wide in temperature mode, wherein the material consists of a liquid crystal material, an aliphatic polyurethane acrylate oligomer, an acrylate monomer, a photoinitiator and interstitials. The invention further provides a polymer dispersed liquid crystal display apparatus prepared by using the polymer dispersed liquid crystal material and a preparation method thereof. The polymer dispersed liquid crystal material provided by the invention has the advantages of wide raw material source and simple and convenient preparation process. The PDLC display apparatus prepared from the PDLC material has the advantages of low driving voltage, wide range of working temperature, no shrinkage and deformation and good adhesive force. The preparation method of the PDLC display apparatus is simple and convenient, the thickness of the display apparatus can be adjusted according to size of the interstitials added, and the display apparatus obtained is good in adhesive force and not easy to shrink and deform, so that the PDLC display apparatus with a large area can be probably prepared.

Description

technical field [0001] The invention relates to the field of liquid crystal materials and liquid crystal display devices, in particular to a low-voltage, wide-temperature polymer-dispersed liquid crystal material, a polymer-dispersed liquid crystal display device obtained from the polymer-dispersed liquid crystal material and a preparation method thereof. Background technique [0002] Polymer Dispersed Liquid Crystal (PDLC) is a composite liquid crystal material with special photoelectric properties. Dispersed in the mixture to form a display or dimming effect. The existing technical triggering conditions are mainly thermal triggering and ultraviolet (UV) triggering. [0003] In the case of no external electric field in the PDLC display device, the direction of the directors of the liquid crystals in different droplets is random, so the PDLC display device exhibits a strong light scattering effect and appears milky white; if a certain electric field is applied, it is enough...

Claims

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Application Information

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IPC IPC(8): C09K19/52G02F1/1333G02F1/1334
Inventor 陈海光张琳杭德余姜天孟田会强储士红贺树芳孙丽丽陈卯先苏学辉
Owner BEIJING BAYI SPACE LCD MATERIALS TECH