Low square resistance transparent conductive film and preparation method thereof

Abstract

The invention provides low-square-resistance transparent conductive film and a preparation method for the same. The low-square-resistance transparent conductive film at least comprises a transparent substrate, a bonding layer with grooves, metal materials in the grooves and a polymer conductive layer. The bonding layer is arranged on the transparent substrate, and the polymer conductive layer is arranged on the bonding layer and the metal materials. The transparent conductive film is simple in structure, environmentally friendly and efficient and low in cost; the square resistance can be reduced to below 10 omega / kou, the conductivity and the color modulation are uniform, the transparent conductive film can be widely applied to the screen display fields of touch panels, liquid crystal displays, solar cells, LEDs and the like and can be applied to electromagnetic wave shielding materials. The method is simple in process and low in cost, and the prepared transparent conductive film square resistance is low, and the conductivity and the color modulation are uniform.

Description

technical field [0001] The invention relates to the technical field of microelectronics, in particular to a low square resistance transparent conductive film and a preparation method thereof. Background technique [0002] Transparent conductive film is a film material that integrates electrical conductivity and optical transparency. Due to its excellent electrical conductivity and optical properties, it has become a research hotspot in various fields in recent years. It can be widely used in touch panels, liquid crystal displays, solar cells, LEDs, etc. It can also be used in electromagnetic wave shielding materials. With the improvement of user performance requirements for devices, the performance requirements of transparent conductive films used in devices are also continuously improved. [0003] Transparent conductive films can generally be prepared by dry or wet processes. The dry method is to cover the surface of a transparent substrate with tin oxide, indium oxide, o...

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Problems solved by technology

[0005] In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a low-resistance transparent conductive film and a preparation method thereof, which are used to solve the problem of high square resistance of the transparent conductive film in the prior art, and the dry method prepared Transparent conductive films are prone to cracks, resulting in larger surface resistance; transparent conductive films prepared by wet methods have problems such as conductivity and uneven coloring due to uneven coating of conductive polymer materials

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