Unlock instant, AI-driven research and patent intelligence for your innovation.

Transparent Conductors and Touch Screens

A technology of transparent conductors and transparent resins, which is applied in electrical digital data processing, instruments, calculations, etc., can solve the problems of lowering resistance, lowering transmittance, thermal annealing of film substrates, etc., and achieves easy manufacturing, alkali resistance and The effect of excellent electrical conductivity

Active Publication Date: 2018-10-09
TDK CORPARATION
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the thickness of the ITO film is increased, the transmittance will decrease
Additionally, it is often difficult to thermally anneal thin film substrates at elevated temperatures
Therefore, in the case of an ITO film provided on a film substrate, it is difficult to maintain a high transmittance and reduce the resistance.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Transparent Conductors and Touch Screens
  • Transparent Conductors and Touch Screens
  • Transparent Conductors and Touch Screens

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～13

[0094] (Fabrication of transparent conductor 101)

[0095] made as figure 2 The transparent conductor shown. The transparent conductor has a laminated structure in which a transparent resin substrate sandwiched between a pair of hard coat layers, a first metal oxide layer, a metal layer, and a second metal oxide layer are laminated in this order. The transparent conductors of the respective examples were produced in the following manner.

[0096] A polyethylene terephthalate film (manufactured by Toray Industries, Inc., part number: U48) having a thickness of 100 μm was prepared. This PET film was used as a transparent resin substrate. The first hard coat layer and the paint for preparing the second hard coat layer were prepared in the following procedure.

[0097] First, prepare the following raw materials.

[0098] Reactive group-modified colloidal silica (dispersion medium: propylene glycol monomethyl ether acetate, non-volatile content: 40% by weight): 100 parts by w...

Embodiment 14～24

[0119] A transparent conductor was produced in the same manner as in Example 1, except that the composition of the target when producing the metal layer was changed, and the composition of the metal layer and / or the thickness of the metal layer were changed as shown in Table 3. That is, in Examples 14 to 20, the thickness of the metal layer was changed. In Example 21, an AgNdCu (Ag:Nd:Cu=99.0:0.5:0.5 (mass %)) target was used to form the metal layer. In Example 22, an AgInSn (Ag:In:Sn=99.0:0.5:0.5 (mass %)) target was used to form the metal layer. In Example 23, an AgSnSb (Ag:Sn:Sb=99.0:0.5:0.5 (mass %)) target was used to form the metal layer. In Example 24, an AgCu (Ag:Cu=99.5:0.5 (mass %)) target was used to form the metal layer.

[0120] The transparent conductors of Examples 14 to 24 obtained were evaluated in the same manner as in Example 1. The evaluation results are shown in Table 3. In addition, the composition and thickness of the metal oxide layer of Examples 14...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
thicknessaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

[PURPOSE] There is provided a transparent conductor with a high alkali-resistance property, wherein a metal oxide layer and a metal layer can be easily removed through etching. [CONSTITUTION] A transparent resin substrate (10), a first metal oxide layer (12), a metal layer (16) containing a silver alloy, and a second metal oxide layer (14) are sequentially laminated on a transparent conductor (100) in this order. The second metal oxide layer (14) contains ZnO as a main component, and In_2O_3 and TiO_2 as a sub component. A content of Ti_O_2 with respect to a sum of ZnO, In_2O_3 and TiO_2 is 15 mol%.

Description

technical field [0001] The invention relates to a transparent conductor and a touch screen using the same. Background technique [0002] The transparent conductor can be used as a display such as a liquid crystal display (LCD), a plasma display panel (PDP), and an electroluminescent panel (organic EL, inorganic EL), and a transparent electrode of a solar cell or the like. Moreover, other than these, it can also be used for an electromagnetic wave shielding film, an infrared ray cutting film, etc. As the material of the metal oxide layer in the transparent conductor, it is widely used in indium oxide (In 2 o 3 ) with tin (Sn) added to ITO. [0003] In recent years, terminals equipped with touch screens, such as smartphones and tablet terminals, have spread rapidly. These have a structure in which a touch sensor unit is provided on a liquid crystal panel and a cover glass is provided on the outermost surface. The touch sensor unit is formed by attaching one or two ITO fil...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041
CPCG06F3/0412G06F2203/04103
Inventor 新开浩
Owner TDK CORPARATION