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Transparent electrode laminate and touch screen panel including the transparent electrode laminate

A technology of transparent electrode layer and transparent substrate, which is applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc., can solve the problems such as not enough to improve the appearance of the display device, and achieve the effect of high transparency

Active Publication Date: 2020-06-26
DONGWOO FINE CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, since the difference in reflectance between the patterned portion and the non-patterned portion is clearly exhibited in the transparent conductive film disclosed in the above patent, it is still insufficient to improve the appearance of the display device.

Method used

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  • Transparent electrode laminate and touch screen panel including the transparent electrode laminate
  • Transparent electrode laminate and touch screen panel including the transparent electrode laminate
  • Transparent electrode laminate and touch screen panel including the transparent electrode laminate

Examples

Experimental program
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Effect test

Embodiment

[0106] Examples and Comparative Examples

[0107] Transparent electrode laminates having the thicknesses shown in Table 1 below were produced in Example 1 to Example 7 and Comparative Example 1 to Comparative Example 4, respectively. Then, measure the average reflectance at each location and as figure 2 The difference in the average reflectance of the region ① and the region ② shown in , and the results are shown in Table 1. Herein, the average reflectance refers to the average value of the reflectance in the range of 400nm to 700nm.

[0108] Glass with a thickness of 0.7 mm (refractive index: 1.51, extinction coefficient: 0) was used as a transparent substrate, ITO film (refractive index: 1.8, extinction coefficient: 0.014) was used as a sensing electrode, and an acrylic insulating material (refractive index: 1.51 , Extinction coefficient: 0) As an insulating layer and a passivation layer, reflectance and extinction coefficient are shown in Table 1 based on light having a ...

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Abstract

The present invention discloses a transparent electrode layer laminate and a touch screen panel comprising the same. The transparent electrode layer laminate comprises: a sensing electrode that comprises a first pattern formed in a first direction and a second pattern formed in a second direction; a bridge electrode that is configured to enable an independent unit pattern of the second pattern to be electrically connection; and an insulating layer that is arranged between the sensing electrode and the bridge electrode, wherein a metal pattern forms on the insulating layer that is exposed between the first pattern and the second pattern, so that a high transparency is obtained by minimizing difference of a reflectivity at each position and lowering a visual recognition degree of the pattern.

Description

technical field [0001] The present invention relates to a transparent electrode laminate and a touch screen panel including the transparent electrode laminate, in particular to a transparent electrode laminate with low pattern visual recognition and a transparent electrode layer having the transparent electrode layer Pressed body touch screen panel. Background technique [0002] Generally, a touch screen is a screen equipped with a dedicated input device to receive a position input by touching the screen with a user's finger or stylus. Such a touch screen does not use a keyboard but has a configuration of a multi-layer laminate, wherein when a user's finger or an object such as a stylus or a stylus touches a specific character or position displayed on the screen, the touch screen recognizes the position and directly receives Data from the screen to actually process the information at a specific location by the software stored in it. [0003] In order to recognize a touched...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041G06F3/044
Inventor 河京秀安基焕
Owner DONGWOO FINE CHEM CO LTD
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