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Transparent electrode laminate and method of fabricating the same

A technology of transparent electrodes and manufacturing methods, applied to conductive layers on insulating carriers, equipment for manufacturing conductive/semiconductive layers, non-metallic conductors, etc., can solve problems such as continuing demand and achieve improved mechanical stability Effect

Pending Publication Date: 2019-03-01
DONGWOO FINE CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Recently, for example, as shown in Korean Laid-Open Patent No. 2014-0092366, touch screen panels incorporating touch sensors on various image display devices are being developed, but there is still a demand for touch sensors or touch panels with improved optical characteristics as described above. continuing

Method used

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  • Transparent electrode laminate and method of fabricating the same
  • Transparent electrode laminate and method of fabricating the same
  • Transparent electrode laminate and method of fabricating the same

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Embodiment approach

[0059] According to an exemplary embodiment, as described above, the first transparent oxide electrode layer 160 can be relatively formed through a low-temperature process using IZO, and thus, damage to the base material layer 105 can be prevented. For example, the first transparent oxide electrode layer 160 can be formed through a low temperature evaporation process in the range of about 20-130°C.

[0060] A second transparent oxide electrode layer 170 can be formed on the first transparent oxide electrode layer 160 . The second transparent oxide electrode layer 170 may be formed to include a substance having relatively improved transmittance and conductivity compared to the first transparent oxide electrode layer 160 .

[0061] In exemplary embodiments, the second transparent oxide electrode layer 170 may be formed through an evaporation process such as a sputtering process in such a manner as to include ITO.

[0062] For example, by using indium oxide (In 2 o 3 ) and tin...

experiment example

[0097] A base material layer made of COP (manufactured by Zeon Corporation, thickness: 40.5 μm) in which an acrylic hard-coat layer of 1.38 μm was formed on the upper surface and the lower surface was prepared. A first refractive index matching layer (with a thickness of 50 nm) and a second refractive index matching layer (with a thickness of 170 nm) were sequentially formed on the substrate layer. The first refractive index matching layer and the second refractive index matching layer each contain an acrylic resin, and the first refractive index matching layer is formed using a resin in which inorganic particles are additionally dispersed.

[0098] On the above-mentioned second refractive index matching layer, IZO was vapor-deposited through a sputtering process to form a first transparent oxide electrode layer with a thickness of 10 nm. Subsequently, ITO was vapor-deposited on the first transparent oxide electrode layer through a sputtering process to form a second transpare...

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Abstract

A transparent electrode laminate and a touch sensor are provided which have desired color characteristics and optical characteristics, and both electrical and mechanical characteristics are improved.In the method of manufacturing a transparent electrode laminate, a first transparent oxide electrode layer having a predetermined thickness is formed on a base layer. A second transparent oxide electrode layer is formed on the first transparent oxide electrode layer. The transmittance and chromaticity (b*) of the entire laminate are adjusted by adjusting the thickness of the second transparent oxide electrode layer. The thickness of the second transparent oxide electrode layer can be adjusted to produce a transparent electrode laminate and a touch sensor having desired color characteristics and optical characteristics and improved electrical and mechanical characteristics.

Description

technical field [0001] This invention relates to a transparent electrode laminated body and its manufacturing method. More specifically, it relates to a transparent electrode laminate including a plurality of transparent conductive layers and a method for manufacturing the same. Background technique [0002] In recent years, with the development of informatization, various forms of requirements have also increased in the field of displays. Accordingly, various flat panel displays featuring thinning, weight reduction, and low power consumption, such as liquid crystal displays, plasma displays, EL displays, and organic light emitting diode displays, have been studied. [0003] In addition, by combining a touch panel or a touch sensor as an input device that is pasted on the above-mentioned display, selects instruction content displayed on the screen with a person's hand or an object, and inputs a user command, and a display device, image display functions and information inpu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
CPCG06F3/041H01B13/0026H01B1/08H01B5/14
Inventor 柳汉太尹亿根鲁圣辰琴同基
Owner DONGWOO FINE CHEM CO LTD
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