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Method of preparing PDLC liquid crystal dimming film containing nano silver wire transparent conductive film

A technology of liquid crystal dimming film and transparent conductive film, which is applied in the field of preparation of PDLC liquid crystal dimming film, and can solve the problems of high cost, complicated manufacturing process, and large equipment investment

Pending Publication Date: 2019-11-19
ZHUHAI SINGYES NEW MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] At the same time, although this method can realize partial transparency or opaqueness and pattern display control in a piece of light-adjustable film, the manufacturing process is complicated, the equipment investment is large, and the cost is high, which restricts the use and product design of the product.

Method used

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  • Method of preparing PDLC liquid crystal dimming film containing nano silver wire transparent conductive film
  • Method of preparing PDLC liquid crystal dimming film containing nano silver wire transparent conductive film
  • Method of preparing PDLC liquid crystal dimming film containing nano silver wire transparent conductive film

Examples

Experimental program
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Effect test

Embodiment 1

[0091] like figure 1 As shown, in this embodiment 1, there are three rows of patterns from top to bottom etched on the PDLC liquid crystal dimming film containing nano-silver wire transparent conductive film, and each row of patterns consists of two ordinary leaf patterns and two maple leaf patterns A total of four patterns are composed alternately.

[0092] Taking the top row of patterns as an example, the pattern is composed of etching line A1 and etching line B2, and electrode A3 and electrode B4 are respectively arranged on the left and right sides of the PDLC liquid crystal dimming film; at the same time, in In this embodiment 1, the electrode A3 on the left side of the PDLC liquid crystal dimming film is jointly arranged on the first nano silver wire layer 7, and the electrode B4 on the right side of the PDLC liquid crystal dimming film is jointly arranged on the second nanometer silver wire layer 7. Silver wire on layer 9.

[0093] In this embodiment, the thickness of...

Embodiment 2

[0124] image 3 Another specific embodiment 2 of the technical solution disclosed in the present invention is shown; wherein, the three electrodes on the left are prepared as a common electrode 12 . In Example 2, except for the conditions and data described below, the same materials, steps and parameters as in Example 1 were used.

[0125] In the present embodiment 2, the hardening treatment in the first step is a slot extrusion coating, and the PET film base is double-coated with a hardening solution for hardening treatment. Among them, in terms of weight percentage, the components of the hardening solution are: 7% pure acrylic resin, 18% ten-functional polyurethane resin, 26% difunctional polyurethane resin, 10% reactive diluent, 4% photoinitiator and 35% solvent acetone .

[0126] The reactive diluent is tripropylene glycol diacrylate.

[0127] The photoinitiator is phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide.

[0128] Hot pressing at a temperature of 200°C and a p...

Embodiment 3

[0134] Figure 4 Embodiment 3 in the technical solution of the present invention is shown. In this embodiment, the thickness of the PDLC liquid crystal dimming film, the PET1 layer 6 or the PET2 layer 10 is 300 μm; the first nano silver wire layer 7 or the second nano silver wire layer The thickness of the wire layer 9 is 80nm; the thickness of the PDLC layer 8 is 120 μm; the width of the nano-silver wire layer connecting region 11 is 80 μm; the width of the etched line is 60 μm.

[0135] like Figure 4 As shown, three rows of patterns are etched on the PDLC liquid crystal dimming film, and each row is composed of three letter patterns, which are the three letter patterns of English letters B, M and W. The difference from Example 1 is that each letter is composed of two separate etching lines. After two etchings, the etching line A1 and the etching line B2 are etched respectively, forming a first nanometer The independent partitions of the silver wire layer and the independe...

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Abstract

The invention relates to a method of preparing a PDLC liquid crystal dimming film containing a nano silver wire transparent conductive film. The product includes a PET1 layer, a first nano silver wirelayer, a PDLC layer, a second nano silver wire layer, and a PET2 layer. The method is characterized in that through one etching by a laser etching machine, the same etching line is formed on the first nano silver wire layer or the second nano silver wire layer at the same time; and a first nano silver wire layer independent partition and a second nano silver wire layer independent partition whichhave the same shape and the same size and are overlapped mutually and correspondingly are formed on the first nano silver wire layer and the second nano silver wire layer at the same time. Through operation and control on electrodes arranged on the first nano silver wire layer independent partition and the second nano silver wire layer independent partition respectively, the function of displaying a pattern and / or a text by the dimming film is realized. The technical scheme overcomes the shortcomings of a tedious process, difficult operation, and low yield in the prior art, the operability ofthe product is improved, the electrode control system is simplified at the same time, and the product pattern and text display abilities can be improved.

Description

technical field [0001] The invention relates to the field of laser etching, in particular to a method for preparing a PDLC liquid crystal dimming film containing nano-silver wire transparent conductive film. Background technique [0002] PDLC liquid crystal dimming film (Polymer Dispersed Liquid Crystal) refers to an optical film made by liquid crystal polymer technology (PDLC) invented in the United States. This technology mainly applies the mixing of nematic liquid crystal and molecular polymer, and controls the alignment state of the liquid crystal through an electric field, so that the refractive index of the liquid crystal changes, and presents the switching of the macroscopic state of light transmission and astigmatism. [0003] In the prior art, the preparation of PDLC liquid crystal dimming film usually includes preparing an ITO coating on a PET film to produce a flexible transparent conductive PET-ITO film, and uniformly coating a layer between two layers of PET-ITO...

Claims

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Application Information

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IPC IPC(8): G02F1/1333G02F1/1334G02F1/1343
CPCG02F1/1333G02F1/1334G02F1/134309G02F1/13439
Inventor 林静黄石娟李国增汤立文
Owner ZHUHAI SINGYES NEW MATERIALS TECH CO LTD
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