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Conductive sheet and touch panel

一种导电片、导电图案的技术，应用在电子开关、电气元件、电路光学零部件等方向，能够解决慢响应速度、低电流传输速率等问题

Inactive Publication Date: 2016-04-13
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when conventional electrodes are used in a large device in the above future trends, the large touch panel has a lower current transfer rate between electrodes, thereby exhibiting a slower response speed (between finger touch and touch longer time between position detections)

Method used

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  • Conductive sheet and touch panel
  • Conductive sheet and touch panel
  • Conductive sheet and touch panel

Examples

Experimental program
Comparison scheme
Effect test

example

[0235] Hereinafter, the present invention will be described more specifically with reference to examples. Materials, amounts, ratios, processing contents, processing procedures, etc. used in the examples can be appropriately changed without departing from the scope of the present invention. Accordingly, the following specific examples are to be regarded in all respects as illustrative and not restrictive.

no. 1 example ＞

[0237] In the first example, in each conductive sheet stack 12 in Examples 1 to 9, the side length of the first grid 26, the line width of the thin metal wire 24, and the surface of the representative second conductive pattern 18B Resistance is measured, and ripple and visibility are evaluated. The characteristics and evaluation results of Examples 1 to 9 are shown in Table 3.

example 1 to example 9

[0239] (photosensitive silver halide material)

[0240] An emulsion was prepared containing an aqueous medium, gelatin, and silver chlorobromoiodide microparticles. The amount of gelatin was 10.0 g of gelatin per 150 g of Ag, and the silver chlorobromoiodide microparticles had an I content of 0.2 mol %, a Br content of 40 mol %, and an average spherical equivalent diameter of 0.1 μm.

[0241] to 10 -7 (mol / mol-silver) concentration will be K 3 Rh 2 Br 9 and K 2 IrCl 6 Added to the emulsion to dope the silver bromide particles with Rh ions and Ir ions. Further adding Na to the emulsion 2 PdCl 4 , and the resulting emulsion was gold-sulfur sensitized using chloroauric acid and sodium thiosulfate. The emulsion and the gelatin hardening agent are applied to the first transparent substrate 14A or the second transparent substrate 14B having a thickness of 150 μm, both of which are made of polyethylene terephthalate (PET) composition. The amount of silver applied is 10g / m ...

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Abstract

The invention provides a conductive sheet and a touch panel. The conductive sheet and the touch panel have a plurality of first conductive patterns (18A) arranged in the x direction. The first conductive pattern (18A) has: a strip-shaped section (20) extending in the y direction; and a plurality of protruding sections (22) protruding from the strip-shaped section (20) in two directions And are arranged at predetermined intervals along the y direction. The width (Lc) of the strip-shaped section (20) is at least three times the width (Ld) of the protruding section (22). And, the first conductive pattern (18A) is configured by combining: a plurality of first lattices (26) including thin metal wires (24); and a plurality of second lattices including thin metal wires (24) (27), the second grid (27) is larger in size than the first grid (26). At least the protruding section (22) is configured by a plurality of first lattices (26).

Description

technical field [0001] The present invention relates to conductive sheets and touch panels suitable for use in, for example, projected capacitive touch panels. Background technique [0002] As disclosed in US Patent Application Publication No. 2004 / 0229028, International Publication No. WO2006 / 001461, etc., studies have been conducted on transparent conductive sheets containing thin metal wires. [0003] In recent years, touch panels have received more and more attention. Currently, touch panels are mainly used in small devices such as personal digital assistants (PDAs) and mobile phones, and it is desired to be able to use touch panels in large devices such as personal computer monitors. [0004] Conventional electrodes for touch panels are composed of Indium Tin Oxide (ITO), and thus have relatively high electrical resistance. Therefore, when conventional electrodes are used in a large device in the above future trends, the large touch panel has a lower current transfer ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044G06F3/041
CPCG06F2203/04112G06F2203/04103G06F3/0445G06F3/0446G06F1/1692H03K17/9622H05K1/0274
Inventor 栗城匡志
Owner FUJIFILM CORP
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