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Low-sheet-resistance transparent conductive film

A technology of transparent conductive film and transparent conductive layer, applied in the direction of the conductive layer on the insulating carrier, etc., can solve the problems of weather resistance and poor transmittance of the silver laminated conductive film, and achieve the reduction of island discontinuity and reliability. The effect of improving weather resistance and preventing deterioration

Pending Publication Date: 2020-11-03
JIANGSU RIJIU OPTOELECTRONICS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the weather resistance and transmittance of the silver laminated conductive film will be slightly worse than that of ITO

Method used

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  • Low-sheet-resistance transparent conductive film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A low square resistance transparent conductive film is composed of a transparent substrate 10, a refractive index matching layer 11, a transition layer 12, a metal alloy layer 13 and a transparent conductive layer 14 stacked from bottom to top, and the materials of each layer are PET, Niobium pentoxide, zinc magnesium oxide, silver alloy (the rest of the silver alloy is palladium and copper, the proportion of silver is greater than 95%, and the square resistance is 16Ω), indium tin oxide (indium tin ratio 90:10), the above The thickness of each layer is 0.125 μm, 35 nm, 6 nm, 6.5 nm, and 52 nm, respectively. At this time, the transparent conductive film has better performance (including weather resistance, transparency, adhesion, etc.).

[0028] The production process can adopt the conventional roll-to-roll magnetron sputtering deposition method. The roll-to-roll magnetron sputtering deposition method can sputter a variety of materials, with high vacuum, strong adhesion...

Embodiment 2

[0039] A low square resistance transparent conductive film is composed of a transparent substrate 10, a refractive index matching layer 11, a transition layer 12, a metal alloy layer 13 and a transparent conductive layer 14 stacked from bottom to top, and the materials of each layer are PC, Zinc sulfide, zinc gallium oxide, copper alloy (the rest of the copper alloy is palladium and gold, the proportion of copper is greater than 95%, and the square resistance is 18Ω), tin oxide, the thickness of each layer above is 0.100μm, 40nm, 7nm , 5.5nm, 55nm.

[0040] Table 3, 4 are the test results of embodiment 2 products

[0041] table 3

[0042] Square resistance Ω VLT(%) Adhesion 18Ω 84％ 5B

[0043] Weather resistance test conditions: high temperature and high humidity: 85°C, 85% RH, high temperature storage: 80°C, low temperature storage: -40°C, thermal shock: -40°C (60min) to 80°C (60min), 20cycles, the results are as follows Table 4

[0044] Table 4 ...

Embodiment 3

[0047] A low square resistance transparent conductive film is composed of a transparent substrate 10, a refractive index matching layer 11, a transition layer 12, a metal alloy layer 13 and a transparent conductive layer 14 stacked from bottom to top, and the materials of each layer are PI, Titanium dioxide, zinc aluminum oxide, silver alloy (the rest of the silver alloy is platinum and rhodium, the proportion of silver is greater than 95%, and the square resistance is 12Ω), indium tin oxide (indium tin ratio 90:10), the thickness of the above layers They are 0.150μm, 30nm, 5nm, 7nm, 60nm respectively.

[0048] Table 5, 6 is the test result of embodiment 3 products

[0049] table 5

[0050] Square resistance Ω VLT(%) Adhesion 16.6Ω 82％ 5B

[0051]Weather resistance test conditions: high temperature and high humidity: 85°C, 85% RH, high temperature storage: 80°C, low temperature storage: -40°C, thermal shock: -40°C (60min) to 80°C (60min), 20cycles, t...

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Abstract

The invention discloses a low-sheet-resistance transparent conductive film, and the conductive film comprises a transparent substrate, a refractive index matching layer, a transition layer, a metal alloy layer and a transparent conductive layer which are stacked from bottom to top; a substrate-side water-oxygen barrier layer formed by combining the refractive index matching layer and the transition layer is added between the transparent substrate and the metal alloy layer; the transition layer is used for providing a compact and continuous conductive layer substrate for the metal alloy layer on the upper layer and reducing island-shaped discontinuity of thin-layer metal, and after the transition layer and the refractive index matching layer made of a high-refractive-index material are combined together to form the water-oxygen blocking layer on the base material side, the metal alloy layer is effectively prevented from being degraded in the using process, and the reliability and weather resistance of the whole conductive film are greatly improved.

Description

technical field [0001] The invention relates to the field of conductive films, in particular to a transparent conductive film with low square resistance. Background technique [0002] In recent years, with the rapid development of semiconductor manufacturing technology and photovoltaic technology, technologies such as flat panel displays, touch screens, window films, polymer dispersed liquid crystals, and solar cells have developed and improved rapidly. These new technologies require the use of transparent conductive films As electrodes, light-receiving surfaces, or electromagnetic pulse shielding films. Taking a touch screen as an example, several commonly used types of touch screens, such as resistive touch screens, surface capacitive touch screens, and inductive capacitive touch screens, all require transparent conductive films as electrode materials. [0003] Transparent conductive films are generally defined as being transparent in the visible range and having low resi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B5/14
CPCH01B5/14
Inventor 吕敬波于佩强陈超胡业新
Owner JIANGSU RIJIU OPTOELECTRONICS LTD