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Method of manufacturing input device

A manufacturing method and a technology of an input device, which are applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problem of reduced reliability under high temperature conditions, and the appearance of the height difference of the outer edge of the light-transmitting area. Satisfaction, poor appearance, etc.

Inactive Publication Date: 2014-06-04
ALPS ALPINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These air bubbles can be directly seen by the operator, so they cause poor appearance, and may also cause a decrease in reliability in terms of high-temperature conditioning
Moreover, since the decorative printing sheet uses a soft film-like material, there may be a difference in height at the outer edge of the light-transmitting area on the surface of the decorative printing sheet.
The surface of the decorative printing sheet constitutes the input surface of the input device and can be directly seen by the operator, so the height difference of the outer edge of the light-transmitting area is not satisfactory in terms of appearance

Method used

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  • Method of manufacturing input device

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no. 1 approach

[0062] figure 1 It is a sectional view showing the input device 1 of the first embodiment. like figure 1 As shown, the input device 1 of this embodiment is configured such that the second transparent base material 30 and the third transparent base material 31 are arranged facing each other with a space, and on the upper surface side of the second transparent base material 30 via the first adhesive The junction material 41 is pasted with the first transparent substrate 10 . An upper transparent electrode layer 32 and a lower transparent electrode layer 33 are formed on the opposing surfaces of the second transparent substrate 30 and the third transparent substrate 31 , respectively. Furthermore, on the opposing surfaces of the second transparent base material 30 and the third transparent base material 31 , an upper wiring pattern 34 and a lower wiring pattern 35 are respectively formed on the outer periphery of the transparent electrode layer.

[0063] The first transparen...

no. 2 approach

[0092] Figure 7 to Figure 10 A process diagram showing a manufacturing method of the input device 1 according to the second embodiment. It should be noted that detailed descriptions of the same contents as those in the first embodiment will be omitted.

[0093] Figure 7 (a) shows a top view of the first transparent substrate 10, Figure 7 (b) means along Figure 7 (a) A partially enlarged cross-sectional view of the vicinity of the boundary of the light-transmitting region 11 of the first transparent substrate 10 obtained by cutting along line VII-VII. exist Figure 7 (a) and Figure 7 In the step (b), the border layer 24 is formed so as to surround the light-transmitting region 11 of the film-shaped first transparent base material 10 . The border layer 24 is formed by printing methods such as screen printing, inkjet printing, gravure printing, and offset printing. The border layer 24 is provided to make a display image from an external display device such as a liquid...

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Abstract

The invention aims to provide a method of manufacturing an input device. According to the method, bubbles are prevented from occuring on the outer rim of a light transmission region, and the difference of heigh on the outer rim of the light transmission region of an input device is preveted from occuring. The manufacturing method is characterized in that one side of a first film type transparent substrate (10) is provided with a window type light transmission region (11) passing through visible light, and a first decoration layer (21) composed of a plurality of first decoration portions is arranged outside a set gap (s) between the first transparent substrate and the light transmission region; a second decoration layer (22) is laminated outside the light transmission region in a way that the exposed portions of the first decoration portions (21a) that are not formed on one side of the first transparent substrate are covered and the first decoration layer is covered; and the other side of the second film type transparent substrate (30) of a transparent electrode layer (32) having detection input position information to be formed on one side is bonded with one side of the first transparent substrate via a light-transmitting bonding layer (41).

Description

technical field [0001] The invention relates to a manufacturing method of an input device, in particular to a manufacturing method of an input device with a decorative layer. Background technique [0002] Conventionally, as a display unit of a portable electronic device or the like, a light-transmissive input device that directly operates a menu item or an object of a displayed image with a finger or the like to input coordinates is used. Such an input device is placed on top of a display device and built into an electronic device so that it can be directly seen by an operator. Therefore, the input device is required to have a good appearance. [0003] As such an input device, various operation methods have been developed. For example, Patent Document 1 describes a resistive film type touch panel. Figure 13 The input device 101 of the conventional example of patent document 1 is shown. In the input device 101 , the upper light-transmitting substrate 130 and the lower light...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041G06F3/045
Inventor 山县一芳笹川英人铃木润
Owner ALPS ALPINE CO LTD
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